diff options
Diffstat (limited to 'src/classes/com/sun/opengl/impl/glu/mipmap')
28 files changed, 10262 insertions, 0 deletions
diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/BuildMipmap.java b/src/classes/com/sun/opengl/impl/glu/mipmap/BuildMipmap.java new file mode 100644 index 000000000..878eeabe7 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/BuildMipmap.java @@ -0,0 +1,1595 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import com.sun.opengl.impl.Debug; +import java.nio.*; +import java.io.*; + +/** + * + * @author Administrator + */ +public class BuildMipmap { + + private static final boolean DEBUG = Debug.debug("BuildMipmap"); + private static final boolean VERBOSE = Debug.verbose(); + + /** Creates a new instance of BuildMipmap */ + public BuildMipmap() { + } + + public static int gluBuild1DMipmapLevelsCore( GL gl, int target, int internalFormat, + int width, int widthPowerOf2, int format, int type, int userLevel, + int baseLevel, int maxLevel, ByteBuffer data ) { + int newwidth; + int level, levels; + ShortBuffer newImage = null; + int newImage_width; + ShortBuffer otherImage = null; + ShortBuffer imageTemp = null; + int memreq; + int maxsize; + int cmpts; + PixelStorageModes psm = new PixelStorageModes(); + + assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); + assert( width >= 1 ); + + newwidth = widthPowerOf2; + levels = Mipmap.computeLog( newwidth ); + + levels += userLevel; + + Mipmap.retrieveStoreModes( gl, psm ); + try { + newImage = ByteBuffer.allocateDirect( Mipmap.image_size( width, 1, format, + GL2.GL_UNSIGNED_SHORT ) ).order( ByteOrder.nativeOrder() ).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + newImage_width = width; + + Image.fill_image( psm, width, 1, format, type, Mipmap.is_index( format ), data, newImage ); + cmpts = Mipmap.elements_per_group( format, type ); + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 2 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + + // if swap_bytes was set, swapping occurred in fill_image + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + + for( level = userLevel; level <= levels; level++ ) { + if( newImage_width == newwidth ) { + // user newimage for this level + if( baseLevel <= level && level <= maxLevel ) { + gl.getGL2().glTexImage1D( target, level, internalFormat, newImage_width, 0, format, + GL2.GL_UNSIGNED_SHORT, newImage ); + } + } else { + if( otherImage == null ) { + memreq = Mipmap.image_size( newwidth, 1, format, GL2.GL_UNSIGNED_SHORT ); + try { + otherImage = ByteBuffer.allocateDirect( memreq ).order( ByteOrder.nativeOrder() ).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + ScaleInternal.scale_internal( cmpts, newImage_width, 1, newImage, newwidth, 1, otherImage ); + // swap newImage and otherImage + imageTemp = otherImage; + otherImage = newImage; + newImage = imageTemp; + + newImage_width = newwidth; + if( baseLevel <= level && level <= maxLevel ) { + gl.getGL2().glTexImage1D( target, level, internalFormat, newImage_width, 0, + format, GL2.GL_UNSIGNED_SHORT, newImage ); + } + } + if( newwidth > 1 ) { + newwidth /= 2; + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + + return( 0 ); + } + + public static int bitmapBuild2DMipmaps( GL gl, int target, int internalFormat, + int width, int height, int format, int type, ByteBuffer data ) { + int newwidth[] = new int[1]; + int newheight[] = new int[1]; + int level, levels; + ShortBuffer newImage = null; + int newImage_width; + int newImage_height; + ShortBuffer otherImage = null; + ShortBuffer tempImage = null; + int memreq; + int maxsize; + int cmpts; + PixelStorageModes psm = new PixelStorageModes(); + + Mipmap.retrieveStoreModes( gl, psm ); + + Mipmap.closestFit( gl, target, width, height, internalFormat, format, type, newwidth, newheight ); + + levels = Mipmap.computeLog( newwidth[0] ); + level = Mipmap.computeLog( newheight[0] ); + if( level > levels ) { + levels = level; + } + + try { + newImage = ByteBuffer.allocateDirect( Mipmap.image_size( width, height, + format, GL2.GL_UNSIGNED_SHORT ) ).order( ByteOrder.nativeOrder() ).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + newImage_width = width; + newImage_height = height; + + Image.fill_image( psm, width, height, format, type, Mipmap.is_index( format ), data, newImage ); + + cmpts = Mipmap.elements_per_group( format, type ); + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 2 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + + // if swap_bytes is set, swapping occurred in fill_image + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + + for( level = 0; level < levels; level++ ) { + if( newImage_width == newwidth[0] && newImage_height == newheight[0] ) { + newImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newImage_width, + newImage_height, 0, format, GL2.GL_UNSIGNED_SHORT, newImage ); + } else { + if( otherImage == null ) { + memreq = Mipmap.image_size( newwidth[0], newheight[0], format, GL2.GL_UNSIGNED_SHORT ); + try { + otherImage = ByteBuffer.allocateDirect( memreq ).order( ByteOrder.nativeOrder() ).asShortBuffer(); + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + ScaleInternal.scale_internal( cmpts, newImage_width, newImage_height, + newImage, newwidth[0], newheight[0], otherImage ); + // swap newImage and otherImage + tempImage = otherImage; + otherImage = newImage; + newImage = tempImage; + + newImage_width = newwidth[0]; + newImage_height = newheight[0]; + newImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newImage_width, newImage_height, + 0, format, GL2.GL_UNSIGNED_SHORT, newImage ); + } + if( newheight[0] > 1 ) { + newwidth[0] /= 2; + } + if( newheight[0] > 1 ) { + newheight[0] /= 2; + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + + return( 0 ); + } + + public static int gluBuild2DMipmapLevelsCore( GL gl, int target, int internalFormat, + int width, int height, int widthPowerOf2, int heightPowerOf2, + int format, int type, int userLevel, int baseLevel, int maxLevel, + ByteBuffer data ) { // PointerWrapper data + int newwidth; + int newheight; + int level, levels; + int usersImage; + ByteBuffer srcImage = null; + ByteBuffer dstImage = null; + ByteBuffer tempImage = null; + int newImage_width; + int newImage_height; + short[] SWAP_IMAGE = null; + int memreq; + int maxsize; + int cmpts; + + boolean myswap_bytes; + int groups_per_line, element_size, group_size; + int rowsize, padding; + PixelStorageModes psm = new PixelStorageModes(); + + assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); + assert( width >= 1 && height >= 1 ); + + if( type == GL2.GL_BITMAP ) { + return( bitmapBuild2DMipmaps( gl, target, internalFormat, width, height, format, type, data ) ); + } + + newwidth = widthPowerOf2; + newheight = heightPowerOf2; + levels = Mipmap.computeLog( newwidth ); + level = Mipmap.computeLog( newheight ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + + Mipmap.retrieveStoreModes( gl, psm ); + myswap_bytes = psm.getUnpackSwapBytes(); + cmpts = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groups_per_line = psm.getUnpackRowLength(); + } else { + groups_per_line = width; + } + + element_size = Mipmap.bytes_per_element( type ); + group_size = element_size * cmpts; + if( element_size == 1 ) { + myswap_bytes = false; + } + + rowsize = groups_per_line * group_size; + padding = ( rowsize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getUnpackAlignment() - padding; + } + + data.position( psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size ); + data.mark(); + + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + + level = userLevel; + + // already power of two square + if( width == newwidth && height == newheight ) { + // use usersImage for level userLevel + if( baseLevel <= level && level <= maxLevel ) { + data.rewind(); + gl.glTexImage2D( target, level, internalFormat, width, height, 0, format, type, data ); + } + if( levels == 0 ) { /* we're done. clean up and return */ + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( 0 ); + } + int nextWidth = newwidth / 2; + int nextHeight = newheight / 2; + + // clamp to 1 + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + memreq = Mipmap.image_size( nextWidth, nextHeight, format, type ); + + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = ByteBuffer.allocateDirect( memreq ).order( ByteOrder.nativeOrder() ); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + if( dstImage != null ) { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + HalveImage.halveImage_ubyte( cmpts, width, height, data, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_BYTE ): + HalveImage.halveImage_byte( cmpts, width, height, data, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_UNSIGNED_SHORT ): + HalveImage.halveImage_ushort( cmpts, width, height, data, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_SHORT ): + HalveImage.halveImage_short( cmpts, width, height, data, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT ): + HalveImage.halveImage_uint( cmpts, width, height, data, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_INT ): + HalveImage.halveImage_int( cmpts, width, height, data, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_FLOAT ): + HalveImage.halveImage_float( cmpts, width, height, data, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract332(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract233rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel( 3, new Extract565(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel( 3, new Extract565rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel( 4, new Extract4444(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract4444rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel( 4, new Extract5551(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract1555rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel( 4, new Extract8888(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract8888rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel( 4, new Extract1010102(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract2101010rev(), width, height, data, dstImage, element_size, rowsize, myswap_bytes ); + break; + default: + assert( false ); + break; + } + } + newwidth = width / 2; + newheight = height / 2; + // clamp to 1 + if( newwidth < 1 ) { + newwidth = 1; + } + if( newheight < 1 ) { + newheight = 1; + } + + myswap_bytes = false; + rowsize = newwidth * group_size; + memreq = Mipmap.image_size( newwidth, newheight, format, type ); + // swap srcImage and dstImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = ByteBuffer.allocateDirect( memreq ).order( ByteOrder.nativeOrder() ); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + // level userLevel+1 is in srcImage; level userLevel already saved + level = userLevel + 1; + } else { // user's image is not nice powerof2 size square + memreq = Mipmap.image_size( newwidth, newheight, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = ByteBuffer.allocateDirect( memreq ).order( ByteOrder.nativeOrder() ); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + data.reset(); + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + ScaleInternal.scale_internal_ubyte( cmpts, width, height, data, + newwidth, newheight, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_BYTE ): + ScaleInternal.scale_internal_byte( cmpts, width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_UNSIGNED_SHORT ): + ScaleInternal.scale_internal_ushort( cmpts, width, height, data, newwidth, + newheight, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_SHORT ): + ScaleInternal.scale_internal_ushort( cmpts, width, height, data, newwidth, + newheight, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT ): + ScaleInternal.scale_internal_uint( cmpts, width, height, data, newwidth, + newheight, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_INT ): + ScaleInternal.scale_internal_int( cmpts, width, height, data, newwidth, + newheight, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_FLOAT ): + ScaleInternal.scale_internal_float( cmpts, width, height, data, newwidth, + newheight, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract332(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract233rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract565(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + ScaleInternal.scaleInternalPackedPixel( 3, new Extract565rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract4444(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract4444rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract5551(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract1555rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract8888(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract8888rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract1010102(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + ScaleInternal.scaleInternalPackedPixel( 4, new Extract2101010rev(), width, height, data, newwidth, + newheight, dstImage, element_size, rowsize, myswap_bytes ); + break; + default: + assert( false ); + break; + } + myswap_bytes = false; + rowsize = newwidth * group_size; + // swap dstImage and srcImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( levels != 0 ) { // use as little memory as possible + int nextWidth = newwidth / 2; + int nextHeight = newheight / 2; + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + + memreq = Mipmap.image_size( nextWidth, nextHeight, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = ByteBuffer.allocateDirect( memreq ).order( ByteOrder.nativeOrder() ); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + // level userLevel is in srcImage; nothing saved yet + level = userLevel; + } + + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + if( baseLevel <= level && level <= maxLevel ) { + srcImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, srcImage ); + if (DEBUG) { + System.err.println("GL Error(" + level + "): " + gl.glGetError() ); + if (VERBOSE) { + srcImage.limit( Mipmap.image_size( newwidth, newheight, format, type ) ); + writeTargaFile("glu2DMipmapJ" + level + ".tga", + srcImage, newwidth, newheight); + srcImage.clear(); + } + } + } + + level++; // update current level for the loop + for( ; level <= levels; level++ ) { + srcImage.rewind(); + dstImage.rewind(); + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + HalveImage.halveImage_ubyte( cmpts, newwidth, newheight, srcImage, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_BYTE ): + HalveImage.halveImage_byte( cmpts, newwidth, newheight, srcImage, dstImage, element_size, rowsize, group_size ); + break; + case( GL2.GL_UNSIGNED_SHORT ): + HalveImage.halveImage_ushort( cmpts, newwidth, newheight, srcImage, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_SHORT ): + HalveImage.halveImage_short( cmpts, newwidth, newheight, srcImage, dstImage.asShortBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT ): + HalveImage.halveImage_uint( cmpts, newwidth, newheight, srcImage, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_INT ): + HalveImage.halveImage_int( cmpts, newwidth, newheight, srcImage, dstImage.asIntBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_FLOAT ): + HalveImage.halveImage_float( cmpts, newwidth, newheight, srcImage, dstImage.asFloatBuffer(), element_size, rowsize, group_size, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract332(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel( 3, new Extract233rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel( 3, new Extract565(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel( 3, new Extract565rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel( 4, new Extract4444(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract4444rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel( 4, new Extract5551(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract1555rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel( 4, new Extract8888(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract8888rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel( 4, new Extract1010102(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel( 4, new Extract2101010rev(), newwidth, newheight, srcImage, dstImage, element_size, rowsize, myswap_bytes ); + break; + default: + assert( false ); + break; + } + + // swap dstImage and srcImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( newwidth > 1 ) { + newwidth /= 2; + rowsize /= 2; + } + if( newheight > 1 ) { + newheight /= 2; + } + // compute amount to pad per row if any + int rowPad = rowsize % psm.getUnpackAlignment(); + + // should row be padded + if( rowPad == 0 ) { + // call teximage with srcImage untouched since its not padded + if( baseLevel <= level && level <= maxLevel ) { + srcImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, srcImage ); + if (DEBUG) { + System.err.println("GL Error(" + level + "): " + gl.glGetError() ); + if (VERBOSE) { + srcImage.limit( Mipmap.image_size( newwidth, newheight, format, type ) ); + writeTargaFile("glu2DMipmapJ" + level + ".tga", + srcImage, newwidth, newheight); + srcImage.clear(); + } + } + } + } else { + // compute length of new row in bytes, including padding + int newRowLength = rowsize + psm.getUnpackAlignment() - rowPad; + int ii, jj; + int dstTrav; + int srcTrav; + + // allocate new image for mipmap of size newRowLength x newheight + ByteBuffer newMipmapImage = null; + try { + newMipmapImage = ByteBuffer.allocateDirect( newRowLength * newheight ); + } catch( OutOfMemoryError ome ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + srcImage.rewind(); + // copy image from srcImage into newMipmapImage by rows + for( ii = 0; ii < newheight; ii++ ) { + newMipmapImage.position(newRowLength * ii); + for( jj = 0; jj < rowsize; jj++ ) { + newMipmapImage.put( srcImage.get() ); + } + } + + // and use this new image for mipmapping instead + if( baseLevel <= level && level <= maxLevel ) { + newMipmapImage.rewind(); + gl.glTexImage2D( target, level, internalFormat, newwidth, newheight, 0, format, type, newMipmapImage ); + if (DEBUG) { + System.err.println("GL Error(" + level + " padded): " + gl.glGetError() ); + if (VERBOSE) { + writeTargaFile("glu2DMipmapJ" + level + ".tga", + newMipmapImage, newwidth, newheight); + } + } + } + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, (psm.getUnpackSwapBytes() ? 1 : 0) ); + + return( 0 ); + } + + public static int fastBuild2DMipmaps( GL gl, PixelStorageModes psm, int target, + int components, int width, int height, int format, int type, ByteBuffer data ) { + int[] newwidth = new int[1]; + int[] newheight = new int[1]; + int level, levels; + ByteBuffer newImage; + int newImage_width; + int newImage_height; + ByteBuffer otherImage; + ByteBuffer imageTemp; + int memreq; + int maxsize; + int cmpts; + + Mipmap.closestFit( gl, target, width, height, components, format, type, newwidth, + newheight ); + + levels = Mipmap.computeLog( newwidth[0] ); + level = Mipmap.computeLog( newheight[0] ); + if( level > levels ) { + levels = level; + } + + cmpts = Mipmap.elements_per_group( format, type ); + + otherImage = null; + // No need to copy the user data if its packed correctly. + // Make sure that later routines don't change that data. + + if( psm.getUnpackSkipRows() == 0 && psm.getUnpackSkipPixels() == 0 ) { + newImage = data; + newImage_width = width; + newImage_height = height; + } else { + int rowsize; + int group_per_line; + int elements_per_line; + int start; + int iter; + int iter2; + int i, j; + + try { + newImage = ByteBuffer.allocateDirect( Mipmap.image_size( + width, height, format, GL2.GL_UNSIGNED_BYTE ) ).order( ByteOrder.nativeOrder() ); + } catch( OutOfMemoryError err ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + newImage_width = width; + newImage_height = height; + + // Abbreviated version of fill_image for the restricted case. + if( psm.getUnpackRowLength() > 0 ) { + group_per_line = psm.getUnpackRowLength(); + } else { + group_per_line = width; + } + rowsize = group_per_line * cmpts; + elements_per_line = width * cmpts; + start = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * cmpts; + + for( i = 0; i < height; i++ ) { + iter = start; + data.position( iter ); + for( j = 0; j < elements_per_line; j++ ) { + newImage.put( data.get() ); + } + start += rowsize; + } + } + + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, 1 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + + for( level = 0; level <= levels; level++ ) { + if( newImage_width == newwidth[0] && newImage_height == newheight[0] ) { + // use newImage for this level + newImage.rewind(); + gl.glTexImage2D( target, level, components, newImage_width, newImage_height, + 0, format, GL2.GL_UNSIGNED_BYTE, newImage ); + } else { + if( otherImage == null ) { + memreq = Mipmap.image_size( newwidth[0], newheight[0], format, GL2.GL_UNSIGNED_BYTE ); + try { + otherImage = ByteBuffer.allocateDirect( memreq ).order( ByteOrder.nativeOrder() ); + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, ( psm.getUnpackSwapBytes() ? 1 : 0 ) ) ; + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + // swap newImage and otherImage + imageTemp = otherImage; + otherImage = newImage; + newImage = imageTemp; + + newImage_width = newwidth[0]; + newImage_height = newheight[0]; + newImage.rewind(); + gl.glTexImage2D( target, level, components, newImage_width, newImage_height, + 0, format, GL2.GL_UNSIGNED_BYTE, newImage ); + } + if( newwidth[0] > 1 ) { + newwidth[0] /= 2; + } + if( newheight[0] > 1 ) { + newheight[0] /= 2; + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, ( psm.getUnpackSwapBytes() ? 1 : 0 ) ) ; + + return( 0 ); + } + + public static int gluBuild3DMipmapLevelsCore( GL gl, int target, int internalFormat, + int width, int height, int depth, int widthPowerOf2, int heightPowerOf2, + int depthPowerOf2, int format, int type, int userLevel, int baseLevel, + int maxLevel, ByteBuffer data ) { + int newWidth; + int newHeight; + int newDepth; + int level, levels; + ByteBuffer usersImage; + ByteBuffer srcImage, dstImage, tempImage; + int newImageWidth; + int newImageHeight; + int newImageDepth; + int memReq; + int maxSize; + int cmpts; + + boolean myswapBytes; + int groupsPerLine, elementSize, groupSize; + int rowsPerImage, imageSize; + int rowSize, padding; + PixelStorageModes psm = new PixelStorageModes(); + + assert( Mipmap.checkMipmapArgs( internalFormat, format, type ) == 0 ); + assert( width >= 1 && height >= 1 && depth >= 1 ); + assert( type != GL2.GL_BITMAP ); + + srcImage = dstImage = null; + + newWidth = widthPowerOf2; + newHeight = heightPowerOf2; + newDepth = depthPowerOf2; + levels = Mipmap.computeLog( newWidth ); + level = Mipmap.computeLog( newHeight ); + if( level > levels ) { + levels = level; + } + level = Mipmap.computeLog( newDepth ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + + Mipmap.retrieveStoreModes3D( gl, psm ); + myswapBytes = psm.getUnpackSwapBytes(); + cmpts = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groupsPerLine = psm.getUnpackRowLength(); + } else { + groupsPerLine = width; + } + + elementSize = Mipmap.bytes_per_element( type ); + groupSize = elementSize * cmpts; + if( elementSize == 1 ) { + myswapBytes = false; + } + + // 3dstuff + if( psm.getUnpackImageHeight() > 0 ) { + rowsPerImage = psm.getUnpackImageHeight(); + } else { + rowsPerImage = height; + } + + rowSize = groupsPerLine * groupSize; + padding = ( rowSize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowSize += psm.getUnpackAlignment() - padding; + } + + imageSize = rowsPerImage * rowSize; + + usersImage = data.duplicate(); + usersImage.position( psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize ); + usersImage.mark(); + + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, 0 ); + + level = userLevel; + + if( width == newWidth && height == newHeight && depth == newDepth ) { + // use usersImage for level userlevel + if( baseLevel <= level && level <= maxLevel ) { + gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, + 0, format, type, usersImage ); + } + if( levels == 0 ) { /* we're done. clean up and return */ + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( 0 ); + } + int nextWidth = newWidth / 2; + int nextHeight = newHeight / 2; + int nextDepth = newDepth / 2; + + // clamp to one + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + if( nextDepth < 1 ) { + nextDepth = 1; + } + memReq = Mipmap.imageSize3D( nextWidth, nextHeight, nextDepth, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = ByteBuffer.allocateDirect( memReq ).order( ByteOrder.nativeOrder() ); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + + if( dstImage != null ) { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUByte(), width, height, depth, + usersImage, dstImage, elementSize, + groupSize, rowSize, imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ubyte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSByte(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_byte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ushort( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_short( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_uint( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_int( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_FLOAT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractFloat(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_float( cmpts, width, height, usersImage, + dstImage.asFloatBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel3D( 3, new Extract332(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + assert( format == GL2.GL_RGB ); + HalveImage.halveImagePackedPixel3D( 3, new Extract233rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract5551(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1555rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1010102(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract2101010rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + default: + assert( false ); + break; + } + } + newWidth = width / 2; + newHeight = height / 2; + newDepth = depth / 2; + // clamp to 1 + if( newWidth < 1 ) { + newWidth = 1; + } + if( newHeight < 1 ) { + newHeight = 1; + } + if( newDepth < 1 ) { + newDepth = 1; + } + + myswapBytes = false; + rowSize = newWidth * groupSize; + imageSize = rowSize * newHeight; + memReq = Mipmap.imageSize3D( newWidth, newHeight, newDepth, format, type ); + // swap srcImage and dstImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = ByteBuffer.allocateDirect( memReq ).order( ByteOrder.nativeOrder() ); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + + // level userLevel + 1 is in srcImage; level userLevel already saved + level = userLevel + 1; + } else { + memReq = Mipmap.imageSize3D( newWidth, newHeight, newDepth, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = ByteBuffer.allocateDirect( memReq ).order( ByteOrder.nativeOrder() ); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + + ScaleInternal.gluScaleImage3D( gl, format, width, height, depth, type, + usersImage, newWidth, newHeight, newDepth, type, dstImage ); + + myswapBytes = false; + rowSize = newWidth * groupSize; + imageSize = rowSize * newHeight; + // swap dstImage and srcImage + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( levels != 0 ) { + int nextWidth = newWidth / 2; + int nextHeight = newHeight / 2; + int nextDepth = newDepth / 2; + if( nextWidth < 1 ) { + nextWidth = 1; + } + if( nextHeight < 1 ) { + nextHeight = 1; + } + if( nextDepth < 1 ) { + nextDepth = 1; + } + memReq = Mipmap.imageSize3D( nextWidth, nextHeight, nextDepth, format, type ); + try { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + dstImage = ByteBuffer.allocateDirect( memReq ).order( ByteOrder.nativeOrder() ); + break; + default: + return( GLU.GLU_INVALID_ENUM ); + } + } catch( OutOfMemoryError err ) { + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( GLU.GLU_OUT_OF_MEMORY ); + } + } + // level userLevel is in srcImage; nothing saved yet + level = userLevel; + } + + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, GL2.GL_FALSE ); + if( baseLevel <= level && level <= maxLevel ) { + usersImage.reset(); + gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, + 0, format, type, usersImage ); + } + level++; + for( ; level <= levels; level++ ) { + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUByte(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ubyte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_BYTE ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSByte(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_byte( cmpts, width, height, usersImage, + dstImage, elementSize, rowSize, groupSize ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_ushort( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_SHORT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSShort(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_short( cmpts, width, height, usersImage, + dstImage.asShortBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractUInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_uint( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_INT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractSInt(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_int( cmpts, width, height, usersImage, + dstImage.asIntBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_FLOAT ): + if( depth > 1 ) { + HalveImage.halveImage3D( cmpts, new ExtractFloat(), width, height, depth, + usersImage, dstImage, elementSize, groupSize, rowSize, + imageSize, myswapBytes ); + } else { + HalveImage.halveImage_float( cmpts, width, height, usersImage, + dstImage.asFloatBuffer(), elementSize, rowSize, groupSize, myswapBytes ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + HalveImage.halveImagePackedPixel3D( 3, new Extract332(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + HalveImage.halveImagePackedPixel3D( 3, new Extract233rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + HalveImage.halveImagePackedPixel3D( 3, new Extract565rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract4444rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract5551(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1555rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract8888rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + HalveImage.halveImagePackedPixel3D( 4, new Extract1010102(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + HalveImage.halveImagePackedPixel3D( 4, new Extract2101010rev(), width, height, depth, usersImage, + dstImage, elementSize, rowSize, imageSize, myswapBytes ); + break; + default: + assert( false ); + break; + } + + tempImage = srcImage; + srcImage = dstImage; + dstImage = tempImage; + + if( newWidth > 1 ) { + newWidth /= 2; + rowSize /= 2; + } + if( newHeight > 1 ) { + newHeight /= 2; + imageSize = rowSize * newHeight; + } + if( newDepth > 1 ) { + newDepth /= 2; + } + if( baseLevel <= level && level <= maxLevel ) { + usersImage.reset(); + gl.getGL2().glTexImage3D( target, level, internalFormat, width, height, depth, + 0, format, type, usersImage ); + } + } + gl.glPixelStorei( GL2.GL_UNPACK_ALIGNMENT, psm.getUnpackAlignment() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_ROWS, psm.getUnpackSkipRows() ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_PIXELS, psm.getUnpackSkipPixels() ); + gl.glPixelStorei( GL2.GL_UNPACK_ROW_LENGTH, psm.getUnpackRowLength() ); + gl.glPixelStorei( GL2.GL_UNPACK_SWAP_BYTES, psm.getUnpackSwapBytes() ? 1 : 0 ); + gl.glPixelStorei( GL2.GL_UNPACK_SKIP_IMAGES, psm.getUnpackSkipImages() ); + gl.glPixelStorei( GL2.GL_UNPACK_IMAGE_HEIGHT, psm.getUnpackImageHeight() ); + return( 0 ); + } + + private static final int TARGA_HEADER_SIZE = 18; + private static void writeTargaFile(String filename, ByteBuffer data, + int width, int height) { + try { + FileOutputStream fos = new FileOutputStream(new File(filename)); + ByteBuffer header = ByteBuffer.allocate(TARGA_HEADER_SIZE); + header.put(0, (byte) 0).put(1, (byte) 0); + header.put(2, (byte) 2); // uncompressed type + header.put(12, (byte) (width & 0xFF)); // width + header.put(13, (byte) (width >> 8)); // width + header.put(14, (byte) (height & 0xFF)); // height + header.put(15, (byte) (height >> 8)); // height + header.put(16, (byte) 24); // pixel size + fos.getChannel().write(header); + fos.getChannel().write(data); + data.clear(); + fos.close(); + } catch (IOException e) { + e.printStackTrace(); + } + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract.java new file mode 100644 index 000000000..d5224af74 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract.java @@ -0,0 +1,56 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public interface Extract { + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ); + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ); +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract1010102.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract1010102.java new file mode 100644 index 000000000..fc29b299b --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract1010102.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract1010102 implements Extract { + + /** Creates a new instance of Extract1010102 */ + public Extract1010102() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111111,11000000,00000000,00000000 == 0xFFC00000 + // 00000000,00111111,11110000,00000000 == 0x003F0000 + // 00000000,00000000,00001111,11111100 == 0x00000FFC + // 00000000,00000000,00000000,00000011 == 0x00000003 + + extractComponents[0] = (float)( ( uint & 0xFFC00000 ) >> 22 ) / 1023.0f; + extractComponents[1] = (float)( ( uint & 0x003FF000 ) >> 12 ) / 1023.0f; + extractComponents[2] = (float)( ( uint & 0x00000FFC ) >> 2 ) / 1023.0f; + extractComponents[3] = (float)( ( uint & 0x00000003 ) ) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 1023) + 0.5f) << 22) & 0xFFC00000 ); + uint |= (((int)((shoveComponents[1] * 1023) + 0.5f) << 12) & 0x003FF000 ); + uint |= (((int)((shoveComponents[2] * 1023) + 0.5f) << 2) & 0x00000FFC ); + uint |= (((int)((shoveComponents[3] * 3) + 0.5f) ) & 0x00000003 ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract1555rev.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract1555rev.java new file mode 100644 index 000000000..e1c59041a --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract1555rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract1555rev implements Extract { + + /** Creates a new instance of Extract1555rev */ + public Extract1555rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 00000000,00011111 == 0x001F + // 00000011,11100000 == 0x03E0 + // 01111100,00000000 == 0x7C00 + // 10000000,00000000 == 0x8000 + + extractComponents[0] = (float)( ( ushort & 0x001F ) ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x003E ) >> 5 ) / 31.0f; + extractComponents[2] = (float)( ( ushort & 0x7C00 ) >> 10) / 31.0f; + extractComponents[3] = (float)( ( ushort & 0x8000 ) >> 15); + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 00000000,00011111 == 0x001F + // 00000011,11100000 == 0x03E0 + // 01111100,00000000 == 0x7C00 + // 10000000,00000000 == 0x8000 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) ) & 0x0000001F ); + ushort |= (((int)((shoveComponents[1] * 31) + 0.5f) << 5) & 0x000003E0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 10) & 0x00007C00 ); + ushort |= (((int)((shoveComponents[3]) + 0.5f) << 15) & 0x00008000 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract2101010rev.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract2101010rev.java new file mode 100644 index 000000000..e04d948d8 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract2101010rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract2101010rev implements Extract { + + /** Creates a new instance of Extract2101010 */ + public Extract2101010rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111111,11000000,00000000,00000000 == 0xFFC00000 + // 00000000,00111111,11110000,00000000 == 0x003F0000 + // 00000000,00000000,00001111,11111100 == 0x00000FFC + // 00000000,00000000,00000000,00000011 == 0x00000003 + + extractComponents[0] = (float)( ( uint & 0x000003FF ) ) / 1023.0f; + extractComponents[1] = (float)( ( uint & 0x000FFC00 ) >> 10 ) / 1023.0f; + extractComponents[2] = (float)( ( uint & 0x3FF00000 ) >> 20 ) / 1023.0f; + extractComponents[3] = (float)( ( uint & 0xC0000000 ) >> 30 ) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 1023) + 0.5f) ) & 0x000003FF ); + uint |= (((int)((shoveComponents[1] * 1023) + 0.5f) << 10) & 0x000FFC00 ); + uint |= (((int)((shoveComponents[2] * 1023) + 0.5f) << 20) & 0x3FF00000 ); + uint |= (((int)((shoveComponents[3] * 3) + 0.5f) << 30) & 0xC0000000 ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract233rev.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract233rev.java new file mode 100644 index 000000000..a3d8ce2a8 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract233rev.java @@ -0,0 +1,85 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract233rev implements Extract { + + /** Creates a new instance of Extract223rev */ + public Extract233rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + // 11100000 == 0xe0 + // 00011100 == 0x1c + // 00000011 == 0x03 + byte ubyte = packedPixel.get(); + extractComponents[0] = (float)((ubyte & 0x07) ) / 7.0f; + extractComponents[1] = (float)((ubyte & 0x38) >> 3) / 7.0f; + extractComponents[2] = (float)((ubyte & 0xC0) >> 6) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11100000 == 0xE0 + // 00011100 == 0x1C + // 00000011 == 0x03 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + byte b = (byte)( ( (int)( ( shoveComponents[0] * 7 ) + 0.5f ) ) & 0x07 ); + b |= (byte)( ( (int)( ( shoveComponents[1] * 7 ) + 0.5f ) << 3 ) & 0x38 ); + b |= (byte)( ( (int)( ( shoveComponents[2] * 3 ) + 0.5f ) << 6 ) & 0xC0 ); + packedPixel.position( index ); + packedPixel.put( b ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract332.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract332.java new file mode 100644 index 000000000..008911364 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract332.java @@ -0,0 +1,84 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class Extract332 implements Extract { + + /** Creates a new instance of Extract332 */ + public Extract332() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + // 11100000 == 0xe0 + // 00011100 == 0x1c + // 00000011 == 0x03 + byte ubyte = packedPixel.get(); + extractComponents[0] = (float)((ubyte & 0xe0) >> 5) / 7.0f; + extractComponents[1] = (float)((ubyte & 0x1c) >> 2) / 7.0f; + extractComponents[2] = (float)((ubyte & 0x03)) / 3.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11100000 == 0xE0 + // 00011100 == 0x1C + // 00000011 == 0x03 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + byte b = (byte)( ( (int)( ( shoveComponents[0] * 7 ) + 0.5f ) << 5 ) & 0xE0 ); + b |= (byte)( ( (int)( ( shoveComponents[1] * 7 ) + 0.5f ) << 2 ) & 0x1C ); + b |= (byte)( ( (int)( ( shoveComponents[2] * 3 ) + 0.5f ) ) & 0x03 ); + packedPixel.put( index, b ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract4444.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract4444.java new file mode 100644 index 000000000..b7414b184 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract4444.java @@ -0,0 +1,96 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract4444 implements Extract { + + /** Creates a new instance of Extract4444 */ + public Extract4444() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + extractComponents[0] = (float)( ( ushort & 0xF000 ) >> 12 ) / 15.0f; + extractComponents[1] = (float)( ( ushort & 0x0F00 ) >> 8 ) / 15.0f; + extractComponents[2] = (float)( ( ushort & 0x00F0 ) >> 4 ) / 15.0f; + extractComponents[3] = (float)( ( ushort & 0x000F ) ) / 15.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 15) + 0.5f) << 12) & 0x0000F000 ); + ushort |= (((int)((shoveComponents[1] * 15) + 0.5f) << 8) & 0x00000F00 ); + ushort |= (((int)((shoveComponents[2] * 15) + 0.5f) << 4) & 0x000000F0 ); + ushort |= (((int)((shoveComponents[3] * 15) + 0.5f) ) & 0x0000000F ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract4444rev.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract4444rev.java new file mode 100644 index 000000000..30a2fa1ac --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract4444rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract4444rev implements Extract { + + /** Creates a new instance of Extract4444rev */ + public Extract4444rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 00000000,00001111 == 0x000F + // 00000000,11110000 == 0x00F0 + // 00001111,00000000 == 0x0F00 + // 11110000,00000000 == 0xF000 + + extractComponents[0] = (float)( ( ushort & 0x000F ) ) / 15.0f; + extractComponents[1] = (float)( ( ushort & 0x00F0 ) >> 4 ) / 15.0f; + extractComponents[2] = (float)( ( ushort & 0x0F00 ) >> 8 ) / 15.0f; + extractComponents[3] = (float)( ( ushort & 0xF000 ) >> 12 ) / 15.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 15) + 0.5f) ) & 0x0000000F ); + ushort |= (((int)((shoveComponents[1] * 15) + 0.5f) << 4) & 0x000000F0 ); + ushort |= (((int)((shoveComponents[2] * 15) + 0.5f) << 8) & 0x00000F00 ); + ushort |= (((int)((shoveComponents[3] * 15) + 0.5f) << 12) & 0x0000F000 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract5551.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract5551.java new file mode 100644 index 000000000..f9e692e98 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract5551.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract5551 implements Extract { + + /** Creates a new instance of Extract5551 */ + public Extract5551() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11000000 == 0x07C0 + // 00000000,00111110 == 0x003E + // 00000000,00000001 == 0x0001 + + extractComponents[0] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x00F0 ) >> 6 ) / 31.0f; + extractComponents[2] = (float)( ( ushort & 0x0F00 ) >> 1 ) / 31.0f; + extractComponents[3] = (float)( ( ushort & 0xF000 ) ); + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) << 11) & 0x0000F800 ); + ushort |= (((int)((shoveComponents[1] * 31) + 0.5f) << 6) & 0x000007C0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 1) & 0x0000003E ); + ushort |= (((int)((shoveComponents[3]) + 0.5f)) & 0x00000001 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract565.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract565.java new file mode 100644 index 000000000..5eff68d7e --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract565.java @@ -0,0 +1,92 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract565 implements Extract { + + /** Creates a new instance of Extract565 */ + public Extract565() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11100000 == 0x07E0 + // 00000000,00111111 == 0x001F + + extractComponents[0] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x07E0 ) >> 5 ) / 63.0f; + extractComponents[2] = (float)( ( ushort & 0x001F ) ) / 31.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11111000,00000000 == 0xF800 + // 00000111,11100000 == 0x07E0 + // 00000000,00111111 == 0x001F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) << 11) & 0x0000F800 ); + ushort |= (((int)((shoveComponents[1] * 63) + 0.5f) << 5) & 0x000007E0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) ) & 0x0000001F ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract565rev.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract565rev.java new file mode 100644 index 000000000..099f80be5 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract565rev.java @@ -0,0 +1,92 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract565rev implements Extract { + + /** Creates a new instance of Extract565rev */ + public Extract565rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + int ushort = 0; + + if( isSwap ) { + ushort = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( packedPixel.getShort() ); + } else { + ushort = 0x0000FFFF & packedPixel.getShort(); + } + + // 00000000,00011111 == 0x001F + // 00000111,11100000 == 0x07E0 + // 11111000,00000000 == 0xF800 + + extractComponents[0] = (float)( ( ushort & 0x001F ) ) / 31.0f; + extractComponents[1] = (float)( ( ushort & 0x07E0 ) >> 5 ) / 63.0f; + extractComponents[2] = (float)( ( ushort & 0xF800 ) >> 11 ) / 31.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 00000000,00111111 == 0x001F + // 00000111,11100000 == 0x07E0 + // 11111000,00000000 == 0xF800 + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + + // due to limited precision, need to round before shoving + int ushort = (((int)((shoveComponents[0] * 31) + 0.5f) ) & 0x0000001F ); + ushort |= (((int)((shoveComponents[1] * 63) + 0.5f) << 5) & 0x000007E0 ); + ushort |= (((int)((shoveComponents[2] * 31) + 0.5f) << 11) & 0x0000F800 ); + packedPixel.asShortBuffer().put( index, (short)ushort ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract8888.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract8888.java new file mode 100644 index 000000000..f3da73952 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract8888.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract8888 implements Extract { + + /** Creates a new instance of Extract8888 */ + public Extract8888() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11000000 == 0x07C0 + // 00000000,00111110 == 0x003E + // 00000000,00000001 == 0x0001 + + extractComponents[0] = (float)( ( uint & 0xFF000000 ) >> 24 ) / 255.0f; + extractComponents[1] = (float)( ( uint & 0x00FF0000 ) >> 16 ) / 255.0f; + extractComponents[2] = (float)( ( uint & 0x0000FF00 ) >> 8 ) / 255.0f; + extractComponents[3] = (float)( ( uint & 0x000000FF ) ) / 255.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 255) + 0.5f) << 24) & 0xFF000000 ); + uint |= (((int)((shoveComponents[1] * 255) + 0.5f) << 16) & 0x00FF0000 ); + uint |= (((int)((shoveComponents[2] * 255) + 0.5f) << 8) & 0x0000FF00 ); + uint |= (((int)((shoveComponents[3] * 255) + 0.5f) ) & 0x000000FF ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Extract8888rev.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract8888rev.java new file mode 100644 index 000000000..58dbe81f8 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Extract8888rev.java @@ -0,0 +1,97 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Extract8888rev implements Extract { + + /** Creates a new instance of Extract8888rev */ + public Extract8888rev() { + } + + public void extract( boolean isSwap, ByteBuffer packedPixel, float[] extractComponents ) { + long uint = 0; + + if( isSwap ) { + uint = 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( packedPixel.getInt() ); + } else { + uint = 0x00000000FFFFFFFF & packedPixel.getInt(); + } + + // 11111000,00000000 == 0xF800 + // 00000111,11000000 == 0x07C0 + // 00000000,00111110 == 0x003E + // 00000000,00000001 == 0x0001 + + extractComponents[0] = (float)( ( uint & 0x000000FF ) ) / 255.0f; + extractComponents[1] = (float)( ( uint & 0x0000FF00 ) >> 8 ) / 255.0f; + extractComponents[2] = (float)( ( uint & 0x00FF0000 ) >> 16 ) / 255.0f; + extractComponents[3] = (float)( ( uint & 0xFF000000 ) >> 24 ) / 255.0f; + } + + public void shove( float[] shoveComponents, int index, ByteBuffer packedPixel ) { + // 11110000,00000000 == 0xF000 + // 00001111,00000000 == 0x0F00 + // 00000000,11110000 == 0x00F0 + // 00000000,00001111 == 0x000F + + assert( 0.0f <= shoveComponents[0] && shoveComponents[0] <= 1.0f ); + assert( 0.0f <= shoveComponents[1] && shoveComponents[1] <= 1.0f ); + assert( 0.0f <= shoveComponents[2] && shoveComponents[2] <= 1.0f ); + assert( 0.0f <= shoveComponents[3] && shoveComponents[3] <= 1.0f ); + + // due to limited precision, need to round before shoving + long uint = (((int)((shoveComponents[0] * 255) + 0.5f) ) & 0x000000FF ); + uint |= (((int)((shoveComponents[1] * 255) + 0.5f) << 8) & 0x0000FF00 ); + uint |= (((int)((shoveComponents[2] * 255) + 0.5f) << 16) & 0x00FF0000 ); + uint |= (((int)((shoveComponents[3] * 255) + 0.5f) << 24) & 0xFF000000 ); + packedPixel.asIntBuffer().put( index, (int)uint ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractFloat.java b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractFloat.java new file mode 100644 index 000000000..7d06dfa82 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractFloat.java @@ -0,0 +1,74 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractFloat implements ExtractPrimitive { + + /** Creates a new instance of ExtractFloat */ + public ExtractFloat() { + } + + public double extract( boolean isSwap, ByteBuffer data ) { + float f = 0; + if( isSwap ) { + f = Mipmap.GLU_SWAP_4_BYTES( data.getInt() ); + } else { + f = data.getInt(); + } + assert( f <= 1.0f ); + return( f ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 1.0); + data.asFloatBuffer().put( index, (float)value ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractPrimitive.java b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractPrimitive.java new file mode 100644 index 000000000..4cea1aa39 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractPrimitive.java @@ -0,0 +1,56 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public interface ExtractPrimitive { + public double extract( boolean isSwap, ByteBuffer pointer ); + public void shove( double value, int index, ByteBuffer pointer ); +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractSByte.java b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractSByte.java new file mode 100644 index 000000000..a2cfeca94 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractSByte.java @@ -0,0 +1,69 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class ExtractSByte implements ExtractPrimitive { + + /** Creates a new instance of ExtractUByte */ + public ExtractSByte() { + } + + public double extract( boolean isSwap, ByteBuffer sbyte ) { + byte b = sbyte.get(); + assert( b <= 127 ); + return( b ); + } + + public void shove( double value, int index, ByteBuffer data ) { + data.position( index ); + data.put( (byte)value ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractSInt.java b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractSInt.java new file mode 100644 index 000000000..48becdc18 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractSInt.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractSInt implements ExtractPrimitive { + + /** Creates a new instance of ExtractSInt */ + public ExtractSInt() { + } + + public double extract( boolean isSwap, ByteBuffer uint ) { + int i = 0; + if( isSwap ) { + i = Mipmap.GLU_SWAP_4_BYTES( uint.getInt() ); + } else { + i = uint.getInt(); + } + assert( i <= 0x7FFFFFFF ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < Integer.MAX_VALUE); + IntBuffer ib = data.asIntBuffer(); + ib.position( index ); + ib.put( (int)value ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractSShort.java b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractSShort.java new file mode 100644 index 000000000..00ff15119 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractSShort.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractSShort implements ExtractPrimitive { + + /** Creates a new instance of ExtractSShort */ + public ExtractSShort() { + } + + public double extract( boolean isSwap, ByteBuffer ushort ) { + short s = 0; + if( isSwap ) { + s = Mipmap.GLU_SWAP_2_BYTES( ushort.getShort() ); + } else { + s = ushort.getShort(); + } + assert( s <= 32767 ); + return( s ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 32768.0); + ShortBuffer sb = data.asShortBuffer(); + sb.position( index ); + sb.put( (short)value ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractUByte.java b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractUByte.java new file mode 100644 index 000000000..4767d93c0 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractUByte.java @@ -0,0 +1,70 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.ByteBuffer; + +/** + * + * @author Administrator + */ +public class ExtractUByte implements ExtractPrimitive { + + /** Creates a new instance of ExtractUByte */ + public ExtractUByte() { + } + + public double extract( boolean isSwap, ByteBuffer ubyte ) { + int i = 0x000000FF & ubyte.get(); + assert( i <= 255 ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 256.0); + data.position( index ); + data.put( (byte)value ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractUInt.java b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractUInt.java new file mode 100644 index 000000000..e6cd6e183 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractUInt.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractUInt implements ExtractPrimitive { + + /** Creates a new instance of ExtractUInt */ + public ExtractUInt() { + } + + public double extract( boolean isSwap, ByteBuffer uint ) { + long i = 0; + if( isSwap ) { + i = 0xFFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( uint.getInt() ); + } else { + i = 0xFFFFFFFF & uint.getInt(); + } + assert( i <= 0xFFFFFFFF ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 0xFFFFFFFF); + IntBuffer ib = data.asIntBuffer(); + ib.position( index ); + ib.put( (int)value ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractUShort.java b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractUShort.java new file mode 100644 index 000000000..89b42e41b --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/ExtractUShort.java @@ -0,0 +1,76 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ExtractUShort implements ExtractPrimitive { + + /** Creates a new instance of ExtracUShort */ + public ExtractUShort() { + } + + public double extract( boolean isSwap, ByteBuffer ushort ) { + int i = 0; + if( isSwap ) { + i = 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( ushort.getShort() ); + } else { + i = 0x0000FFFF & ushort.getShort(); + } + assert( i <= 65535 ); + return( i ); + } + + public void shove( double value, int index, ByteBuffer data ) { + assert(0.0 <= value && value < 65536.0); + ShortBuffer sb = data.asShortBuffer(); + sb.position( index ); + sb.put( (short)value ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/HalveImage.java b/src/classes/com/sun/opengl/impl/glu/mipmap/HalveImage.java new file mode 100644 index 000000000..7f2e87a63 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/HalveImage.java @@ -0,0 +1,1533 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import java.nio.*; + +/** + * + * @author Administrator + */ +public class HalveImage { + + private static final int BOX2 = 2; + private static final int BOX4 = 4; + private static final int BOX8 = 8; + + public static void halveImage( int components, int width, int height, + ShortBuffer datain, ShortBuffer dataout ) { + int i, j, k; + int newwidth, newheight; + int delta; + int t = 0; + short temp = 0; + + newwidth = width / 2; + newheight = height /2; + delta = width * components; + + // Piece of cake + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.get(); + datain.position( t + components ); + temp += datain.get(); + datain.position( t + delta ); + temp += datain.get(); + datain.position( t + delta + components ); + temp +=datain.get(); + temp += 2; + temp /= 4; + dataout.put( temp ); + t++; + } + t += components; + } + t += delta; + } + } + + public static void halveImage_ubyte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, + int element_size, int ysize, int group_size ) { + int i, j, k; + int newwidth, newheight; + int s; + int t; + + // Handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_ubyte( components, width, height, datain, dataout, element_size, ysize, group_size ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + s = 0; + t = 0; + + int temp = 0; + // piece of cake + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = ( 0x000000FF & datain.get() ); + datain.position( t + group_size ); + temp += ( 0x000000FF & datain.get() ); + datain.position( t + ysize ); + temp += ( 0x000000FF & datain.get() ); + datain.position( t + ysize + group_size ); + temp += ( 0x000000FF & datain.get() ) + 2; + dataout.put( (byte)(temp / 4) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + + public static void halve1Dimage_ubyte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, + int element_size, int ysize, int group_size ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + int temp = 0; + + assert( width == 1 || height == 1 ); // Must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = ( 0x000000FF & datain.get() ); + datain.position( src + group_size ); + temp += ( 0x000000FF & datain.get() ); + temp /= 2; + dataout.put( (byte)temp ); + /* + dataout.setByte( (byte)(((0x000000FF & datain.setIndexInBytes(src).getByte()) + + (0x000000FF & datain.setIndexInBytes( src + group_size ).getByte())) / 2 ) ); + */ + src += element_size; + //dataout.plusPlus(); + dest++; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = ( 0x000000FF & datain.get() ); + datain.position( src + ysize ); + temp += ( 0x000000FF & datain.get() ); + temp /= 2; + dataout.put( (byte)temp ); + /* + dataout.setByte( (byte)(((0x000000FF & datain.setIndexInBytes(src).getByte()) + + (0x000000FF & datain.setIndexInBytes(src + ysize).getByte()) ) / 2 ) ); + */ + src += element_size; + //dataout.plusPlus(); + dest++; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + } + assert( src == ysize * height ); + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_byte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, int element_size, + int ysize, int group_size ) { + int i, j, k; + int newwidth, newheight; + int s = 0; + int t = 0; + byte temp = (byte)0; + + // handle case where there is only 1 column + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); + halve1Dimage_byte( components, width, height, datain, dataout, element_size, + ysize, group_size ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.get(); + datain.position( t + group_size ); + temp += datain.get(); + datain.position( t + ysize ); + temp += datain.get(); + datain.position( t + ysize + group_size ); + temp += datain.get(); + temp += 2; + temp /= 4; + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + + public static void halve1Dimage_byte( int components, int width, int height, + ByteBuffer datain, ByteBuffer dataout, + int element_size, int ysize, int group_size ) { + int halfWidth = width / 2; + int halfHeight = width / 2; + int src = 0; + int dest = 0; + int jj; + byte temp = (byte)0; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = datain.get(); + datain.position( src + group_size ); + temp += datain.get(); + temp /= 2; + dataout.put( temp ); + src += element_size; + dest++; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assert only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); // widthxheight can't be 1 + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + datain.position( src ); + temp = datain.get(); + datain.position( src + ysize ); + temp += datain.get(); + temp /= 2; + src += element_size; + dest++; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_ushort( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + int temp = 0; + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_ushort( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = ( 0x0000FFFF & datain.getShort() ); + datain.position( t + group_size ); + temp += ( 0x0000FFFF & datain.getShort() ); + datain.position( t + ysize ); + temp += ( 0x0000FFFF & datain.getShort() ); + datain.position( t + ysize + group_size ); + temp += ( 0x0000FFFF & datain.getShort() ); + dataout.put( (short)( ( temp + 2 ) / 4 ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( t + group_size ); + temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( t + ysize ); + temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( t + ysize + group_size ); + temp += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + dataout.put( (short)( ( temp + 2 ) / 4 ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_ushort( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < halfHeight; kk++ ) { + int[] ushort = new int[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( src + group_size ); + ushort[1] = (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + } else { + datain.position( src ); + ushort[0] = (0x0000FFFF & datain.getShort() ); + datain.position( src + group_size ); + ushort[1] = (0x0000FFFF & datain.getShort() ); + } + dataout.put( (short)( (ushort[0] + ushort[1]) / 2 ) ); + src += element_size; + dest += 2; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); // widthxheight can't be 1 + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + int[] ushort = new int[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + datain.position( src + ysize ); + ushort[0] = ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ) ); + } else { + datain.position( src ); + ushort[0] = ( 0x0000FFFF & datain.getShort() ); + datain.position( src + ysize ); + ushort[1] = ( 0x0000FFFF & datain.getShort() ); + } + dataout.put( (short)((ushort[0] + ushort[1]) / 2) ); + src += element_size; + dest += 2; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_short( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + short temp = (short)0; + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_short( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.getShort(); + datain.position( t + group_size ); + temp += datain.getShort(); + datain.position( t + ysize ); + temp += datain.getShort(); + datain.position( t + ysize + group_size ); + temp += datain.getShort(); + temp += 2; + temp /= 4; + dataout.put( (short)temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + short b; + int buf; + datain.position( t ); + temp = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( t + group_size ); + temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( t + ysize ); + temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( t + ysize + group_size ); + temp += Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + temp += 2; + temp /= 4; + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_short( int components, int width, int height, + ByteBuffer datain, ShortBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + short[] sshort = new short[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sshort[0] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( src + group_size ); + sshort[1] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + } else { + datain.position( src ); + sshort[0] = datain.getShort(); + datain.position( src + group_size ); + sshort[1] = datain.getShort(); + } + dataout.put( (short)(( sshort[0] + sshort[1] ) / 2) ); + src += element_size; + dest += 2; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + short[] sshort = new short[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sshort[0] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + datain.position( src + ysize ); + sshort[1] = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + } else { + datain.position( src ); + sshort[0] = datain.getShort(); + datain.position( src + ysize ); + sshort[1] = datain.getShort(); + } + dataout.put( (short)(( sshort[0] + sshort[1] ) / 2) ); + src += element_size; + dest += 2; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == ( components * element_size * halfWidth * halfHeight ) ); + } + + public static void halveImage_uint( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + double temp = 0; + + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_uint( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = (0x000000007FFFFFFFL & datain.getInt() ); + datain.position( t + group_size ); + temp += (0x000000007FFFFFFFL & datain.getInt() ); + datain.position( t + ysize ); + temp += (0x000000007FFFFFFFL & datain.getInt() ); + datain.position( t + ysize + group_size ); + temp += (0x000000007FFFFFFFL & datain.getInt() ); + dataout.put( (int)( ( temp / 4 ) + 0.5 ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + // need to cast to double to hold large unsigned ints + double buf; + datain.position( t ); + buf = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( t + group_size ); + buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( t + ysize ); + buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( t + ysize + group_size ); + buf += ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + temp /= 4; + temp += 0.5; + dataout.put( (int)temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_uint( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // widthxheight can't be 1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < halfHeight; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + group_size ); + uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + group_size ); + uint[1] = (0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)( ( uint[0] + uint[1] ) / 2.0 ) ); + src += element_size; + dest += 4; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { // 1 column + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); // widthxheight can't be 1 + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + group_size ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + ysize ); + uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)( ( uint[0] + uint[1] ) / 2.0 ) ); + src += element_size; + dest += 4; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == components * element_size * halfWidth * halfHeight ); + } + + public static void halveImage_int( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + int temp = 0; + + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_int( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.getInt(); + datain.position( t + group_size ); + temp += datain.getInt(); + datain.position( t + ysize ); + temp += datain.getInt(); + datain.position( t + ysize + group_size ); + temp += datain.getInt(); + temp = (int)( ( temp / 4.0f ) + 0.5f ); + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + long b; + float buf; + datain.position( t ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf = b; + datain.position( t + group_size ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf += b; + datain.position( t + ysize ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf += b; + datain.position( t + ysize + group_size ); + b = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + buf += b; + dataout.put( (int)( ( buf / 4.0f ) + 0.5f ) ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_int( int components, int width, int height, + ByteBuffer datain, IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + group_size ); + uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + group_size ); + uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)( ( (float)uint[0] + (float)uint[1] ) / 2.0f) ); + src += element_size; + dest += 4; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + long[] uint = new long[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + datain.position( src + ysize ); + uint[1] = ( 0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ) ); + } else { + datain.position( src ); + uint[0] = ( 0x00000000FFFFFFFF & datain.getInt() ); + datain.position( src + ysize ); + uint[1] = ( 0x00000000FFFFFFFF & datain.getInt() ); + } + dataout.put( (int)(( (float)uint[0] + (float)uint[1] ) / 2.0f) ); + src += element_size; + dest += 4; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == ( components * element_size * halfWidth * halfHeight ) ); + } + + public static void halveImage_float( int components, int width, int height, + ByteBuffer datain, FloatBuffer dataout, int element_size, + int ysize, int group_size, boolean myswap_bytes ) { + int i, j, k, l; + int newwidth, newheight; + int s = 0; + int t = 0; + float temp = 0.0f; + // handle case where there is only 1 column/row + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); // can't be 1x1 + halve1Dimage_float( components, width, height, datain, dataout, element_size, + ysize, group_size, myswap_bytes ); + return; + } + + newwidth = width / 2; + newheight = height / 2; + + // Piece of cake + if( !myswap_bytes ) { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + datain.position( t ); + temp = datain.getFloat(); + datain.position( t + group_size ); + temp += datain.getFloat(); + datain.position( t + ysize ); + temp += datain.getFloat(); + datain.position( t + ysize + group_size ); + temp /= 4.0f; + dataout.put( temp ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } else { + for( i = 0; i < newheight; i++ ) { + for( j = 0; j < newwidth; j++ ) { + for( k = 0; k < components; k++ ) { + float buf; + datain.position( t ); + buf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( t + group_size ); + buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( t + ysize ); + buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( t + ysize + group_size ); + buf += Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + dataout.put( buf / 4.0f ); + t += element_size; + } + t += group_size; + } + t += ysize; + } + } + } + + public static void halve1Dimage_float( int components, int width, int height, + ByteBuffer datain, FloatBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int dest = 0; + int jj; + + assert( width == 1 || height == 1 ); // must be 1D + assert( width != height ); // can't be square + + if( height == 1 ) { // 1 row + assert( width != 1 ); // can't be 1x1 + halfHeight = 1; + + for( jj = 0; jj < halfWidth; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + float[] sfloat = new float[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sfloat[0] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( src + group_size ); + sfloat[1] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + } else { + datain.position( src ); + sfloat[0] = datain.getFloat(); + datain.position( src + group_size ); + sfloat[1] = datain.getFloat(); + } + dataout.put( (sfloat[0] + sfloat[1]) / 2.0f ); + src += element_size; + dest += 4; + } + src += group_size; // skip to next 2 + } + int padBytes = ysize - ( width * group_size ); + src += padBytes; // for assertion only + } else if( width == 1 ) { + int padBytes = ysize - ( width * group_size ); + assert( height != 1 ); + halfWidth = 1; + // one vertical column with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + int kk; + for( kk = 0; kk < components; kk++ ) { + float[] sfloat = new float[BOX2]; + if( myswap_bytes ) { + datain.position( src ); + sfloat[0] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + datain.position( src + ysize ); + sfloat[1] = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + } else { + datain.position( src ); + sfloat[0] = datain.getFloat(); + datain.position( src + ysize ); + sfloat[1] = datain.getFloat(); + } + dataout.put( ( sfloat[0] + sfloat[1] ) / 2.0f ); + src += element_size; + dest += 4; + } + src += padBytes; // add pad bytes, if any, to get to end of row + src += ysize; + } + assert( src == ysize * height ); + } + assert( dest == ( components * element_size * halfWidth * halfHeight ) ); + } + + public static void halveImagePackedPixel( int components, Extract extract, int width, + int height, ByteBuffer datain, ByteBuffer dataout, + int pixelSizeInBytes, int rowSizeInBytes, boolean isSwap ) { + if( width == 1 || height == 1 ) { + assert( !( width == 1 && height == 1 ) ); + halve1DimagePackedPixel( components, extract, width, height, datain, dataout, + pixelSizeInBytes, rowSizeInBytes, isSwap ); + return; + } + int ii, jj; + + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + int outIndex = 0; + + for( ii = 0; ii < halfHeight; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX4][4]; + int cc; + + datain.position( src ); + extract.extract( isSwap, datain, extractTotals[0] ); + datain.position( src + pixelSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[1] ); + datain.position( src + rowSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[2] ); + datain.position( src + rowSizeInBytes + pixelSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[3] ); + for( cc = 0; cc < components; cc++ ) { + int kk = 0; + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX4; + } + extract.shove( totals, outIndex, dataout ); + outIndex++; + src += pixelSizeInBytes + pixelSizeInBytes; + } + // skip past pad bytes, if any, to get to next row + src += padBytes; + src += rowSizeInBytes; + } + assert( src == rowSizeInBytes * height ); + assert( outIndex == halfWidth * halfHeight ); + } + + public static void halve1DimagePackedPixel( int components, Extract extract, int width, + int height, ByteBuffer datain, ByteBuffer dataout, + int pixelSizeInBytes, int rowSizeInBytes, boolean isSwap ) { + int halfWidth = width / 2; + int halfHeight = height / 2; + int src = 0; + int jj; + + assert( width == 1 || height == 1 ); + assert( width != height ); + + if( height == 1 ) { + int outIndex = 0; + + assert( width != 1 ); + halfHeight = 1; + + // one horizontal row with possible pad bytes + + for( jj = 0; jj < halfWidth; jj++ ) { + float[] totals = new float[4]; + float[][] extractTotals = new float[BOX2][4]; + int cc; + + datain.position( src ); + extract.extract( isSwap, datain, extractTotals[0] ); + datain.position( src + pixelSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[1] ); + for( cc = 0; cc < components; cc++ ) { + int kk = 0; + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX2; + } + extract.shove( totals, outIndex, dataout ); + outIndex++; + // skip over to next group of 2 + src += pixelSizeInBytes + pixelSizeInBytes; + } + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + src += padBytes; + + assert( src == rowSizeInBytes ); + assert( outIndex == halfWidth * halfHeight ); + } else if( width == 1 ) { + int outIndex = 0; + + assert( height != 1 ); + halfWidth = 1; + // one vertical volumn with possible pad bytes per row + // average two at a time + + for( jj = 0; jj < halfHeight; jj++ ) { + float[] totals = new float[4]; + float[][] extractTotals = new float[BOX2][4]; + int cc; + // average two at a time, instead of four + datain.position( src ); + extract.extract( isSwap, datain, extractTotals[0] ); + datain.position( src + rowSizeInBytes ); + extract.extract( isSwap, datain, extractTotals[1] ); + for( cc = 0; cc < components; cc++ ) { + int kk = 0; + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX2; + } + extract.shove( totals, outIndex, dataout ); + outIndex++; + // skip over to next group of 2 + src += rowSizeInBytes + rowSizeInBytes; + } + assert( src == rowSizeInBytes ); + assert( outIndex == halfWidth * halfHeight ); + } + } + + public static void halveImagePackedPixelSlice( int components, Extract extract, + int width, int height, int depth, ByteBuffer dataIn, + ByteBuffer dataOut, int pixelSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + int ii, jj; + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + int outIndex = 0; + + assert( (width == 1 || height == 1) && depth >= 2 ); + + if( width == height ) { + assert( width == 1 && height == 1 ); + assert( depth >= 2 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX2][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + + // average only 2 pixels since a column + totals[cc]= 0.0f; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= BOX2; + } // for cc + + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next group of 2 + src += imageSizeInBytes + imageSizeInBytes; + } // for ii + } else if( height == 1 ) { + assert( width != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX4][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + pixelSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[2] ); + dataIn.position( src + pixelSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[3] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc]+= extractTotals[kk][cc]; + } + totals[cc]/= (float)BOX4; + } + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next horizontal square of 4 + src += imageSizeInBytes + imageSizeInBytes; + } + } + } else if( width == 1 ) { + assert( height != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; + float extractTotals[][] = new float[BOX4][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + rowSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[2] ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[3] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + + // grab 4 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc]+= extractTotals[kk][cc]; + } + totals[cc]/= (float)BOX4; + } + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next horizontal square of 4 + src += imageSizeInBytes + imageSizeInBytes; + } + } + } + } + + public static void halveImageSlice( int components, ExtractPrimitive extract, int width, + int height, int depth, ByteBuffer dataIn, ByteBuffer dataOut, + int elementSizeInBytes, int groupSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + int ii, jj; + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * groupSizeInBytes ); + int outIndex = 0; + + assert( (width == 1 || height == 1) && depth >= 2 ); + + if( width == height ) { + assert( width == 1 && height == 1 ); + assert( depth >= 2 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + double[] totals = new double[4]; + double[][] extractTotals = new double[BOX2][4]; + int kk; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + + // average 2 pixels since only a column + totals[cc] = 0.0f; + // totals[red] = extractTotals[0][red] + extractTotals[1][red]; + // totals[red] = red / 2; + for( kk = 0; kk < BOX2; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX2; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + src += elementSizeInBytes; + } // for cc + // skip over next group of 2 + src += rowSizeInBytes; + } // for ii + + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfDepth * components ); + } else if( height == 1 ) { + assert( width != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + int kk; + double totals[] = new double[4]; + double extractTotals[][] = new double[BOX4][4]; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + groupSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[2][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes + groupSizeInBytes ); + extractTotals[3][cc] = extract.extract( isSwap, dataIn ); + + // grab 4 pixels to average + totals[cc] = 0.0f; + // totals[red] = extractTotals[0][red] + extractTotals[1][red] + + // extractTotals[2][red] + extractTotals[3][red]; + // totals[red] /= (double)BOX4; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX4; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + src += elementSizeInBytes; + } // for cc + // skip over to next horizontal square of 4 + src += elementSizeInBytes; + } // for jj + src += padBytes; + src += rowSizeInBytes; + } // for ii + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfDepth * components ); + } else if( width == 1 ) { + assert( height != 1 ); + + for( ii = 0; ii < halfDepth; ii++ ) { + for( jj = 0; jj < halfHeight; jj++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + int kk; + double totals[] = new double[4]; + double extractTotals[][] = new double[BOX4][4]; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[2][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes + groupSizeInBytes ); + extractTotals[3][cc] = extract.extract( isSwap, dataIn ); + + + // grab 4 pixels to average + totals[cc] = 0.0f; + // totals[red] = extractTotals[0][red] + extractTotals[1][red] + + // extractTotals[2][red] + extractTotals[3][red]; + // totals[red] /= (double)BOX4; + for( kk = 0; kk < BOX4; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX4; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + src += elementSizeInBytes; + } // for cc + // skip over to next horizontal square of 4 + src += padBytes; + src += rowSizeInBytes; + } // for jj + src += imageSizeInBytes; + } // for ii + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfDepth * components ); + } + } + + public static void halveImage3D( int components, ExtractPrimitive extract, + int width, int height, int depth, ByteBuffer dataIn, ByteBuffer dataOut, + int elementSizeInBytes, int groupSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + assert( depth > 1 ); + + // horizontal/vertical/onecolumn slice viewed from top + if( width == 1 || height == 1 ) { + assert( 1 <= depth ); + + halveImageSlice( components, extract, width, height, depth, dataIn, dataOut, + elementSizeInBytes, groupSizeInBytes, rowSizeInBytes, imageSizeInBytes, + isSwap ); + return; + } + + int ii, jj, dd; + + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * groupSizeInBytes ); + int outIndex = 0; + + for( dd = 0; dd < halfDepth; dd++ ) { + for( ii = 0; ii < halfHeight; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + int cc; + for( cc = 0; cc < components; cc++ ) { + int kk; + double totals[] = new double[4]; + double extractTotals[][] = new double[BOX8][4]; + + dataIn.position( src ); + extractTotals[0][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + groupSizeInBytes ); + extractTotals[1][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes ); + extractTotals[2][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes + groupSizeInBytes ); + extractTotals[3][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + imageSizeInBytes ); + extractTotals[4][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + groupSizeInBytes + imageSizeInBytes ); + extractTotals[5][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); + extractTotals[6][cc] = extract.extract( isSwap, dataIn ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes + groupSizeInBytes ); + extractTotals[7][cc] = extract.extract( isSwap, dataIn ); + + totals[cc] = 0.0f; + + for( kk = 0; kk < BOX8; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (double)BOX8; + + extract.shove( totals[cc], outIndex, dataOut ); + outIndex++; + + src += elementSizeInBytes; + } // for cc + // skip over to next square of 4 + src += groupSizeInBytes; + } // for jj + // skip past pad bytes, if any, to get to next row + src += padBytes; + src += rowSizeInBytes; + } // for ii + src += imageSizeInBytes; + } // for dd + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfHeight * halfDepth * components ); + } + + public static void halveImagePackedPixel3D( int components, Extract extract, + int width, int height, int depth, ByteBuffer dataIn, + ByteBuffer dataOut, int pixelSizeInBytes, int rowSizeInBytes, + int imageSizeInBytes, boolean isSwap ) { + if( depth == 1 ) { + assert( 1 <= width && 1 <= height ); + + halveImagePackedPixel( components, extract, width, height, dataIn, dataOut, + pixelSizeInBytes, rowSizeInBytes, isSwap ); + return; + } else if( width == 1 || height == 1 ) { // a horizontal or vertical slice viewed from top + assert( 1 <= depth ); + + halveImagePackedPixelSlice( components, extract, width, height, depth, dataIn, + dataOut, pixelSizeInBytes, rowSizeInBytes, imageSizeInBytes, isSwap ); + return; + } + int ii, jj, dd; + + int halfWidth = width / 2; + int halfHeight = height / 2; + int halfDepth = depth / 2; + int src = 0; + int padBytes = rowSizeInBytes - ( width * pixelSizeInBytes ); + int outIndex = 0; + + for( dd = 0; dd < halfDepth; dd++ ) { + for( ii = 0; ii < halfHeight; ii++ ) { + for( jj = 0; jj < halfWidth; jj++ ) { + float totals[] = new float[4]; // 4 is max components + float extractTotals[][] = new float[BOX8][4]; + int cc; + + dataIn.position( src ); + extract.extract( isSwap, dataIn, extractTotals[0] ); + dataIn.position( src + pixelSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[1] ); + dataIn.position( src + rowSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[2] ); + dataIn.position( src + rowSizeInBytes + pixelSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[3] ); + dataIn.position( src + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[4] ); + dataIn.position( src + pixelSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[5] ); + dataIn.position( src + rowSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[6] ); + dataIn.position( src + rowSizeInBytes + pixelSizeInBytes + imageSizeInBytes ); + extract.extract( isSwap, dataIn, extractTotals[7] ); + + for( cc = 0; cc < components; cc++ ) { + int kk; + // grab 8 pixels to average + totals[cc] = 0.0f; + for( kk = 0; kk < BOX8; kk++ ) { + totals[cc] += extractTotals[kk][cc]; + } + totals[cc] /= (float)BOX8; + } + extract.shove( totals, outIndex, dataOut ); + outIndex++; + // skip over to next square of 4 + src += pixelSizeInBytes + pixelSizeInBytes; + } + // skip past pad bytes, if any, to get to next row + src += padBytes; + src += rowSizeInBytes; + } + src += imageSizeInBytes; + } + assert( src == rowSizeInBytes * height * depth ); + assert( outIndex == halfWidth * halfHeight * halfDepth ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Image.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Image.java new file mode 100644 index 000000000..605d5547b --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Image.java @@ -0,0 +1,1413 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Image { + + /** Creates a new instance of Image */ + public Image() { + } + + public static short getShortFromByteArray( byte[] array, int index ) { + short s; + s = (short)(array[index] << 8 ); + s |= (short)(0x00FF & array[index+1]); + return( s ); + } + + public static int getIntFromByteArray( byte[] array, int index ) { + int i; + i = ( array[index] << 24 ) & 0xFF000000; + i |= ( array[index+1] << 16 ) & 0x00FF0000; + i |= ( array[index+2] << 8 ) & 0x0000FF00; + i |= ( array[index+3] ) & 0x000000FF; + return( i ); + } + + public static float getFloatFromByteArray( byte[] array, int index ) { + int i = getIntFromByteArray( array, index ); + return( Float.intBitsToFloat(i) ); + } + + /* + * Extract array from user's data applying all pixel store modes. + * The internal format used is an array of unsigned shorts. + */ + public static void fill_image( PixelStorageModes psm, int width, int height, + int format, int type, boolean index_format, ByteBuffer userdata, + ShortBuffer newimage ) { + int components; + int element_size; + int rowsize; + int padding; + int groups_per_line; + int group_size; + int elements_per_line; + int start; + int iter = 0; + int iter2; + int i, j, k; + boolean myswap_bytes; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + myswap_bytes = psm.getUnpackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groups_per_line = psm.getUnpackRowLength(); + } else { + groups_per_line = width; + } + + // All formats except GL_BITMAP fall out trivially + if( type == GL2.GL_BITMAP ) { + int bit_offset; + int current_bit; + + rowsize = ( groups_per_line * components + 7 ) / 8; + padding = ( rowsize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getUnpackAlignment() - padding; + } + start = psm.getUnpackSkipRows() * rowsize + ( psm.getUnpackSkipPixels() * components / 8 ); + elements_per_line = width * components; + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + userdata.position( iter ); // **************************************** + bit_offset = (psm.getUnpackSkipPixels() * components) % 8; + for( j = 0; j < elements_per_line; j++ ) { + // retrieve bit + if( psm.getUnpackLsbFirst() ) { + userdata.position( iter ); + current_bit = ( userdata.get() & 0x000000FF ) & ( 1 << bit_offset );//userdata[iter] & ( 1 << bit_offset ); + } else { + current_bit = ( userdata.get() & 0x000000FF ) & ( 1 << ( 7 - bit_offset ) ); + } + if( current_bit != 0 ) { + if( index_format ) { + newimage.position( iter2 ); + newimage.put( (short)1 ); + } else { + newimage.position( iter2 ); + newimage.put( (short)65535 ); + } + } else { + newimage.position( iter2 ); + newimage.put( (short)0 ); + } + bit_offset++; + if( bit_offset == 8 ) { + bit_offset = 0; + iter++; + } + iter2++; + } + start += rowsize; + } + } else { + element_size = Mipmap.bytes_per_element( type ); + group_size = element_size * components; + if( element_size == 1 ) { + myswap_bytes = false; + } + + rowsize = groups_per_line * group_size; + padding = ( rowsize % psm.getUnpackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getUnpackAlignment() - padding; + } + start = psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size; + elements_per_line = width * components; + + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + userdata.position( iter ); //*************************************** + for( j = 0; j < elements_per_line; j++ ) { + Type_Widget widget = new Type_Widget(); + float[] extractComponents = new float[4]; + userdata.position( iter ); + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract.extract( false, userdata /*userdata[iter]*/, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract.extract( false, userdata /*userdata[iter]*/, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE ): + if( index_format ) { + newimage.put( iter2++, (short)( 0x000000FF & userdata.get() ) );//userdata[iter]; + } else { + newimage.put( iter2++, (short)( 0x000000FF & userdata.get()/*userdata[iter]*/ * 257 ) ); + } + break; + case( GL2.GL_BYTE ): + if( index_format ) { + newimage.put( iter2++, userdata.get() ); //userdata[iter]; + } else { + newimage.put( iter2++, (short)(userdata.get()/*userdata[iter]*/ * 516 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract.extract( myswap_bytes, userdata/*userdata[iter]*/, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 3; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)(extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( myswap_bytes ) { + widget.setUB1( userdata.get() ); + widget.setUB0( userdata.get() ); + } else { + widget.setUB0( userdata.get() ); + widget.setUB1( userdata.get() ); + } + if( type == GL2.GL_SHORT ) { + if( index_format ) { + newimage.put( iter2++, widget.getS0() ); + } else { + newimage.put( iter2++, (short)(widget.getS0() * 2) ); + } + } else { + newimage.put( iter2++, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract.extract( myswap_bytes, userdata, extractComponents ); + for( k = 0; k < 4; k++ ) { + newimage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( myswap_bytes ) { + widget.setUB3( userdata.get() ); + widget.setUB2( userdata.get() ); + widget.setUB1( userdata.get() ); + widget.setUB0( userdata.get() ); + } else { + widget.setUB0( userdata.get() ); + widget.setUB1( userdata.get() ); + widget.setUB2( userdata.get() ); + widget.setUB3( userdata.get() ); + } + if( type == GL2.GL_FLOAT ) { + if( index_format ) { + newimage.put( iter2++, (short)widget.getF() ); + } else { + newimage.put( iter2++, (short)(widget.getF() * 65535 ) ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( index_format ) { + newimage.put( iter2++, (short)( widget.getUI() ) ); + } else { + newimage.put( iter2++, (short)( widget.getUI() >> 16 ) ); + } + } else { + if( index_format ) { + newimage.put( iter2++, (short)( widget.getI() ) ); + } else { + newimage.put( iter2++, (short)( widget.getI() >> 15 ) ); + } + } + break; + } + iter += element_size; + } // for j + start += rowsize; + // want iter pointing at start, not within, row for assertion purposes + iter = start; + } // for i + + // iterators should be one byte past end + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == ( width * height * components ) ); + } else { + assert( iter2 == ( width * height * Mipmap.elements_per_group( format, 0 ) ) ); + } + assert( iter == ( rowsize * height + psm.getUnpackSkipRows() * rowsize + psm.getUnpackSkipPixels() * group_size ) ); + } + } + + /* + * Insert array into user's data applying all pixel store modes. + * Theinternal format is an array of unsigned shorts. + * empty_image() because it is the opposet of fill_image(). + */ + public static void empty_image( PixelStorageModes psm, int width, int height, + int format, int type, boolean index_format, + ShortBuffer oldimage, ByteBuffer userdata ) { + + int components; + int element_size; + int rowsize; + int padding; + int groups_per_line; + int group_size; + int elements_per_line; + int start; + int iter = 0; + int iter2; + int i, j, k; + boolean myswap_bytes; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + myswap_bytes = psm.getPackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getPackRowLength() > 0 ) { + groups_per_line = psm.getPackRowLength(); + } else { + groups_per_line = width; + } + + // all formats except GL_BITMAP fall out trivially + if( type == GL2.GL_BITMAP ) { + int bit_offset; + int current_bit; + + rowsize = ( groups_per_line * components + 7 ) / 8; + padding = ( rowsize % psm.getPackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getPackAlignment() - padding; + } + start = psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * components / 8; + elements_per_line = width * components; + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + bit_offset = ( psm.getPackSkipPixels() * components ) % 8; + for( j = 0; j < elements_per_line; j++ ) { + if( index_format ) { + current_bit = oldimage.get( iter2 ) & 1; + } else { + if( oldimage.get( iter2 ) < 0 ) { // must check for negative rather than 32767 + current_bit = 1; + } else { + current_bit = 0; + } + } + + if( current_bit != 0 ) { + if( psm.getPackLsbFirst() ) { + userdata.put( iter, (byte)( ( userdata.get( iter ) | ( 1 << bit_offset ) ) ) ); + } else { + userdata.put( iter, (byte)( ( userdata.get( iter ) | ( 7 - bit_offset ) ) ) ); + } + } else { + if( psm.getPackLsbFirst() ) { + //userdata[iter] &= ~( 1 << bit_offset ); + userdata.put( iter, (byte)( ( userdata.get( iter ) & ~( 1 << bit_offset ) ) ) ); + } else { + //userdata[iter] &= ~( 1 << ( 7 - bit_offset ) ); + userdata.put( iter, (byte)( ( userdata.get( iter ) & ~( 7 - bit_offset ) ) ) ); + } + } + + bit_offset++; + if( bit_offset == 8 ) { + bit_offset = 0; + iter++; + } + iter2++; + } + start += rowsize; + } + } else { + float shoveComponents[] = new float[4]; + + element_size = Mipmap.bytes_per_element( type ); + group_size = element_size * components; + if( element_size == 1 ) { + myswap_bytes = false; + } + + rowsize = groups_per_line * group_size; + padding = ( rowsize % psm.getPackAlignment() ); + if( padding != 0 ) { + rowsize += psm.getPackAlignment() - padding; + } + start = psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * group_size; + elements_per_line = width * components; + + iter2 = 0; + for( i = 0; i < height; i++ ) { + iter = start; + for( j = 0; j < elements_per_line; j++ ) { + Type_Widget widget = new Type_Widget(); + + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, userdata ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, userdata ); + break; + case( GL2.GL_UNSIGNED_BYTE ): + if( index_format ) { + //userdata[iter] = (byte)oldimage[iter2++]; + userdata.put( iter, (byte)oldimage.get(iter2++) ); + } else { + //userdata[iter] = (byte)( oldimage[iter2++] >> 8 ); + userdata.put( iter, (byte)( oldimage.get(iter2++) ) ); + } + break; + case( GL2.GL_BYTE ): + if( index_format ) { + //userdata[iter] = (byte)oldimage[iter2++]; + userdata.put( iter, (byte)oldimage.get(iter2++) ); + } else { + //userdata[iter] = (byte)( oldimage[iter2++] >> 9 ); + userdata.put( iter, (byte)( oldimage.get(iter2++) ) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1,widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get(iter2++) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter+1] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( type == GL2.GL_SHORT ) { + if( index_format ) { + widget.setS0( oldimage.get( iter2++ ) ); + } else { + widget.setS0( (short)(oldimage.get( iter2++ ) >> 1) ); + } + } else { + widget.setUS0( oldimage.get( iter2++ ) ); + } + if( myswap_bytes ) { + //userdata[iter] = widget.getUB1(); + //userdata[iter+1] = widget.getUB0(); + userdata.put( iter, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB0() ); + } else { + //userdata[iter] = widget.getUB0(); + //userdata[iter] = widget.getUB1(); + userdata.put( iter, widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 2, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldimage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswap_bytes ) { + //userdata[iter+3] = widget.getUB0(); + //userdata[iter+2] = widget.getUB1(); + //userdata[iter+1] = widget.getUB2(); + //userdata[iter ] = widget.getUB3(); + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( type == GL2.GL_FLOAT ) { + if( index_format ) { + widget.setF( oldimage.get( iter2++ ) ); + } else { + widget.setF( oldimage.get( iter2++ ) / 65535.0f ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( index_format ) { + widget.setUI( oldimage.get( iter2++ ) ); + } else { + widget.setUI( oldimage.get( iter2++ ) * 65537 ); + } + } else { + if( index_format ) { + widget.setI( oldimage.get( iter2++ ) ); + } else { + widget.setI( (oldimage.get( iter2++ ) * 65537) / 2 ); + } + } + if( myswap_bytes ) { + userdata.put( iter + 3, widget.getUB0() ); + userdata.put( iter + 2, widget.getUB1() ); + userdata.put( iter + 1, widget.getUB2() ); + userdata.put( iter , widget.getUB3() ); + } else { + userdata.put( iter , widget.getUB0() ); + userdata.put( iter + 1, widget.getUB1() ); + userdata.put( iter + 2, widget.getUB2() ); + userdata.put( iter + 3, widget.getUB3() ); + } + break; + } + iter += element_size; + } // for j + start += rowsize; + // want iter pointing at start, not within, row for assertion purposes + iter = start; + } // for i + // iterators should be one byte past end + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == width * height * components ); + } else { + assert( iter2 == width * height * Mipmap.elements_per_group( format, 0 ) ); + } + assert( iter == rowsize * height + psm.getPackSkipRows() * rowsize + psm.getPackSkipPixels() * group_size ); + } + } + + public static void fillImage3D( PixelStorageModes psm, int width, int height, + int depth, int format, int type, boolean indexFormat, ByteBuffer userImage, + ShortBuffer newImage ) { + boolean myswapBytes; + int components; + int groupsPerLine; + int elementSize; + int groupSize; + int rowSize; + int padding; + int elementsPerLine; + int rowsPerImage; + int imageSize; + int start, rowStart; + int iter = 0; + int iter2 = 0; + int ww, hh, dd, k; + Type_Widget widget = new Type_Widget(); + float extractComponents[] = new float[4]; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + myswapBytes = psm.getUnpackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getUnpackRowLength() > 0 ) { + groupsPerLine = psm.getUnpackRowLength(); + } else { + groupsPerLine = width; + } + elementSize = Mipmap.bytes_per_element( type ); + groupSize = elementSize * components; + if( elementSize == 1 ) { + myswapBytes = false; + } + + // 3dstuff begin + if( psm.getUnpackImageHeight() > 0 ) { + rowsPerImage = psm.getUnpackImageHeight(); + } else { + rowsPerImage = height; + } + // 3dstuff end + + rowSize = groupsPerLine * groupSize; + padding = rowSize % psm.getUnpackAlignment(); + if( padding != 0 ) { + rowSize += psm.getUnpackAlignment() - padding; + } + + imageSize = rowsPerImage * rowSize; // 3dstuff + + start = psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize; + elementsPerLine = width * components; + + iter2 = 0; + for( dd = 0; dd < depth; dd++ ) { + rowStart = start; + for( hh = 0; hh < height; hh++ ) { + iter = rowStart; + for( ww = 0; ww < elementsPerLine; ww++ ) { + + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( indexFormat ) { + newImage.put( iter2++, (short)(0x000000FF & userImage.get( iter ) ) ); + } else { + newImage.put( iter2++, (short)((0x000000FF & userImage.get( iter ) ) * 257 ) ); + } + break; + case( GL2.GL_BYTE ): + if( indexFormat ) { + newImage.put( iter2++, userImage.get( iter ) ); + } else { + newImage.put( iter2++, (short)(userImage.get( iter ) * 516 ) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + userImage.position( iter ); + extract.extract( false, userImage, extractComponents ); + for( k = 0; k < 3; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + userImage.position( iter ); + extract.extract( false, userImage, extractComponents ); + for( k = 0; k < 3; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)(extractComponents[k] * 65535) ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( myswapBytes ) { + widget.setUB0( userImage.get( iter + 1 ) ); + widget.setUB1( userImage.get( iter ) ); + } else { + widget.setUB0( userImage.get( iter ) ); + widget.setUB1( userImage.get( iter + 1 ) ); + } + if( type == GL2.GL_SHORT ) { + if( indexFormat ) { + newImage.put( iter2++, widget.getUS0() ); + } else { + newImage.put( iter2++, (short)(widget.getUS0() * 2) ); + } + } else { + newImage.put( iter2++, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + userImage.position( iter ); + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract.extract( myswapBytes, userImage, extractComponents ); + for( k = 0; k < 4; k++ ) { + newImage.put( iter2++, (short)( extractComponents[k] * 65535 ) ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( myswapBytes ) { + widget.setUB0( userImage.get( iter + 3 ) ); + widget.setUB1( userImage.get( iter + 2 ) ); + widget.setUB2( userImage.get( iter + 1 ) ); + widget.setUB3( userImage.get( iter ) ); + } else { + widget.setUB0( userImage.get( iter ) ); + widget.setUB1( userImage.get( iter + 1 ) ); + widget.setUB2( userImage.get( iter + 2 ) ); + widget.setUB3( userImage.get( iter + 3 ) ); + } + if( type == GL2.GL_FLOAT ) { + if( indexFormat ) { + newImage.put( iter2++, (short)widget.getF() ); + } else { + newImage.put( iter2++, (short)( widget.getF() * 65535.0f ) ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( indexFormat ) { + newImage.put( iter2++, (short)widget.getUI() ); + } else { + newImage.put( iter2++, (short)(widget.getUI() >> 16) ); + } + } else { + if( indexFormat ) { + newImage.put( iter2++, (short)widget.getI() ); + } else { + newImage.put( iter2++, (short)(widget.getI() >> 15) ); + } + } + break; + default: + assert( false ); + } + iter += elementSize; + } // for ww + rowStart += rowSize; + iter = rowStart; // for assert + } // for hh + start += imageSize; + }// for dd + + // iterators should be one byte past end + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == width * height * depth * components ); + } else { + assert( iter2 == width * height * depth * Mipmap.elements_per_group( format, 0 ) ); + } + assert( iter == rowSize * height * depth + psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize ); + } + + public static void emptyImage3D( PixelStorageModes psm, int width, int height, int depth, + int format, int type, boolean indexFormat, ShortBuffer oldImage, ByteBuffer userImage ) { + boolean myswapBytes; + int components; + int groupsPerLine; + int elementSize; + int groupSize; + int rowSize; + int padding; + int start, rowStart, iter; + int elementsPerLine; + int iter2; + int ii, jj, dd, k; + int rowsPerImage; + int imageSize; + Type_Widget widget = new Type_Widget(); + float[] shoveComponents = new float[4]; + + // Create a Extract interface object + Extract extract = null; + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + extract = new Extract332(); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + extract = new Extract233rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + extract = new Extract565(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + extract = new Extract565rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + extract = new Extract4444(); + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + extract = new Extract4444rev(); + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + extract = new Extract5551(); + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + extract = new Extract1555rev(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + extract = new Extract8888(); + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + extract = new Extract8888rev(); + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + extract = new Extract1010102(); + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + extract = new Extract2101010rev(); + break; + } + + iter = 0; + + myswapBytes = psm.getPackSwapBytes(); + components = Mipmap.elements_per_group( format, type ); + if( psm.getPackRowLength() > 0 ) { + groupsPerLine = psm.getPackRowLength(); + } else { + groupsPerLine = width; + } + + elementSize = Mipmap.bytes_per_element( type ); + groupSize = elementSize * components; + if( elementSize == 1 ) { + myswapBytes = false; + } + + // 3dstuff begin + if( psm.getPackImageHeight() > 0 ) { + rowsPerImage = psm.getPackImageHeight(); + } else { + rowsPerImage = height; + } + + // 3dstuff end + + rowSize = groupsPerLine * groupSize; + padding = rowSize % psm.getPackAlignment(); + if( padding != 0 ) { + rowSize += psm.getPackAlignment() - padding; + } + + imageSize = rowsPerImage * rowSize; + + start = psm.getPackSkipRows() * rowSize + + psm.getPackSkipPixels() * groupSize + + psm.getPackSkipImages() * imageSize; + elementsPerLine = width * components; + + iter2 = 0; + for( dd = 0; dd < depth; dd++ ) { + rowStart = start; + + for( ii = 0; ii < height; ii++ ) { + iter = rowStart; + + for( jj = 0; jj < elementsPerLine; jj++ ) { + + switch( type ) { + case( GL2.GL_UNSIGNED_BYTE ): + if( indexFormat ) { + userImage.put( iter, (byte)(oldImage.get( iter2++ ) ) ); + } else { + userImage.put( iter, (byte)(oldImage.get( iter2++ ) >> 8 ) ); + } + break; + case( GL2.GL_BYTE ): + if( indexFormat ) { + userImage.put( iter, (byte)(oldImage.get(iter2++) ) ); + } else { + userImage.put( iter, (byte)(oldImage.get(iter2++) >> 9) ); + } + break; + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, userImage ); + break; + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + for( k = 0; k < 3; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, userImage ); + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.putShort( iter, widget.getUB1() ); + userImage.putShort( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.putShort( iter, widget.getUS0() ); + } + break; + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_SHORT ): + if( type == GL2.GL_SHORT ) { + if( indexFormat ) { + widget.setS0( (short)oldImage.get( iter2++ ) ); + } else { + widget.setS0( (short)(oldImage.get( iter2++ ) >> 1) ); + } + } else { + widget.setUS0( (short)oldImage.get( iter2++ ) ); + } + if( myswapBytes ) { + userImage.put( iter, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB0() ); + } else { + userImage.put( iter, widget.getUB0() ); + userImage.put( iter + 1, widget.getUB1() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter , widget.getUB3() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter , widget.getUB3() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter ,widget.getUB3() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + for( k = 0; k < 4; k++ ) { + shoveComponents[k] = oldImage.get( iter2++ ) / 65535.0f; + } + extract.shove( shoveComponents, 0, widget.getBuffer() ); + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB2() ); + userImage.put( iter + 1, widget.getUB1() ); + userImage.put( iter , widget.getUB0() ); + } else { + userImage.putInt( iter, widget.getUI() ); + } + break; + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + if( type == GL2.GL_FLOAT ) { + if( indexFormat ) { + widget.setF( oldImage.get( iter2++ ) ); + } else { + widget.setF( oldImage.get( iter2++ ) / 65535.0f ); + } + } else if( type == GL2.GL_UNSIGNED_INT ) { + if( indexFormat ) { + widget.setUI( oldImage.get( iter2++ ) ); + } else { + widget.setUI( oldImage.get( iter2++ ) * 65537 ); + } + } else { + if( indexFormat ) { + widget.setI( oldImage.get( iter2++ ) ); + } else { + widget.setI( ( oldImage.get( iter2++ ) * 65535 ) / 2 ); + } + } + if( myswapBytes ) { + userImage.put( iter + 3, widget.getUB0() ); + userImage.put( iter + 2, widget.getUB1() ); + userImage.put( iter + 1, widget.getUB2() ); + userImage.put( iter , widget.getUB3() ); + } else { + userImage.put( iter , widget.getUB0() ); + userImage.put( iter + 1, widget.getUB1() ); + userImage.put( iter + 2, widget.getUB2() ); + userImage.put( iter + 3, widget.getUB3() ); + } + break; + default: + assert( false ); + } + + iter += elementSize; + } // for jj + rowStart += rowSize; + } // for ii + start += imageSize; + } // for dd + + if( !Mipmap.isTypePackedPixel( type ) ) { + assert( iter2 == width * height * depth * components ); + } else { + assert( iter2 == width * height * depth * Mipmap.elements_per_group( format, 0 ) ); + } + assert( iter == rowSize * height * depth + + psm.getUnpackSkipRows() * rowSize + + psm.getUnpackSkipPixels() * groupSize + + psm.getUnpackSkipImages() * imageSize ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Mipmap.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Mipmap.java new file mode 100644 index 000000000..6f247940d --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Mipmap.java @@ -0,0 +1,866 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import javax.media.opengl.GLException; +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Mipmap { + + /** Creates a new instance of Mipmap */ + public Mipmap() { + } + + public static int computeLog( int value ) { + int i = 0; + // Error + if( value == 0 ) { + return( -1 ); + } + for( ;; ) { + if( (value & 1) >= 1 ) { + if( value != 1 ) { + return( -1 ); + } + return( i ); + } + value = value >> 1; + i++; + } + } + + /* Compute the nearest power of 2 number. This algorithm is a little strange + * but it works quite well. + */ + public static int nearestPower( int value ) { + int i = 1; + // Error! + if( value == 0 ) { + return( -1 ); + } + for( ;; ) { + if( value == 1 ) { + return( i ); + } else if( value == 3 ) { + return( i * 4 ); + } + value = value >> 1; + i *= 2; + } + } + + public static short GLU_SWAP_2_BYTES( short s ) { + byte b = 0; + b = (byte)( s >>> 8 ); + s = (short)( s << 8 ); + s = (short)( s | (0x00FF & b) ); + return( s ); + } + + public static int GLU_SWAP_4_BYTES( int i ) { + int t = i << 24; + t |= 0x00FF0000 & ( i << 8 ); + t |= 0x0000FF00 & ( i >>> 8 ); + t |= 0x000000FF & ( i >>> 24 ); + return( t ); + } + + public static float GLU_SWAP_4_BYTES( float f ) { + int i = Float.floatToRawIntBits( f ); + float temp = Float.intBitsToFloat( i ); + return( temp ); + } + + public static int checkMipmapArgs( int internalFormat, int format, int type ) { + if( !legalFormat( format ) || !legalType( type ) ) { + return( GLU.GLU_INVALID_ENUM ); + } + if( format == GL2.GL_STENCIL_INDEX ) { + return( GLU.GLU_INVALID_ENUM ); + } + if( !isLegalFormatForPackedPixelType( format, type ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + return( 0 ); + } + + public static boolean legalFormat( int format ) { + switch( format ) { + case( GL2.GL_COLOR_INDEX ): + case( GL2.GL_STENCIL_INDEX ): + case( GL2.GL_DEPTH_COMPONENT ): + case( GL2.GL_RED ): + case( GL2.GL_GREEN ): + case( GL2.GL_BLUE ): + case( GL2.GL_ALPHA ): + case( GL2.GL_RGB ): + case( GL2.GL_RGBA ): + case( GL2.GL_LUMINANCE ): + case( GL2.GL_LUMINANCE_ALPHA ): + case( GL2.GL_BGR ): + case( GL2.GL_BGRA ): + return( true ); + default: + return( false ); + } + } + + public static boolean legalType( int type ) { + switch( type ) { + case( GL2.GL_BITMAP ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_FLOAT ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + return( true ); + default: + return( false ); + } + } + + public static boolean isTypePackedPixel( int type ) { + assert( legalType( type ) ); + + if( type == GL2.GL_UNSIGNED_BYTE_3_3_2 || + type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || + type == GL2.GL_UNSIGNED_SHORT_5_6_5 || + type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || + type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || + type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || + type == GL2.GL_UNSIGNED_INT_8_8_8_8 || + type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL2.GL_UNSIGNED_INT_10_10_10_2 || + type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) { + return( true ); + } + return( false ); + } + + public static boolean isLegalFormatForPackedPixelType( int format, int type ) { + // if not a packed pixel type then return true + if( isTypePackedPixel( type ) ) { + return( true ); + } + + // 3_3_2/2_3_3_REV & 5_6_5/5_6_5_REV are only compatible with RGB + if( (type == GL2.GL_UNSIGNED_BYTE_3_3_2 || type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || + type == GL2.GL_UNSIGNED_SHORT_5_6_5 || type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV ) + & format != GL2.GL_RGB ) { + return( false ); + } + + // 4_4_4_4/4_4_4_4_REV & 5_5_5_1/1_5_5_5_REV & 8_8_8_8/8_8_8_8_REV & + // 10_10_10_2/2_10_10_10_REV are only campatible with RGBA, BGRA & ARGB_EXT + if( ( type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || + type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || + type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || + type == GL2.GL_UNSIGNED_INT_8_8_8_8 || + type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL2.GL_UNSIGNED_INT_10_10_10_2 || + type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) && + (format != GL2.GL_RGBA && format != GL2.GL_BGRA) ) { + return( false ); + } + return( true ); + } + + public static boolean isLegalLevels( int userLevel, int baseLevel, int maxLevel, + int totalLevels ) { + if( (baseLevel < 0) || (baseLevel < userLevel) || (maxLevel < baseLevel) || + (totalLevels < maxLevel) ) { + return( false ); + } + return( true ); + } + + /* Given user requested textures size, determine if it fits. If it doesn't then + * halve both sides and make the determination again until it does fit ( for + * IR only ). + * Note that proxy textures are not implemented in RE* even though they + * advertise the texture extension. + * Note that proxy textures are implemented but not according to spec in IMPACT* + */ + public static void closestFit( GL gl, int target, int width, int height, int internalFormat, + int format, int type, int[] newWidth, int[] newHeight ) { + // Use proxy textures if OpenGL version >= 1.1 + if( Double.parseDouble( gl.glGetString( GL.GL_VERSION ).trim().substring( 0, 3 ) ) >= 1.1 ) { + int widthPowerOf2 = nearestPower( width ); + int heightPowerOf2 = nearestPower( height ); + int[] proxyWidth = new int[1]; + boolean noProxyTextures = false; + + // Some drivers (in particular, ATI's) seem to set a GL error + // when proxy textures are used even though this is in violation + // of the spec. Guard against this and interactions with the + // DebugGL by watching for GLException. + try { + do { + // compute level 1 width & height, clamping each at 1 + int widthAtLevelOne = ( ( width > 1 ) ? (widthPowerOf2 >> 1) : widthPowerOf2 ); + int heightAtLevelOne = ( ( height > 1 ) ? (heightPowerOf2 >> 1) : heightPowerOf2 ); + int proxyTarget; + + assert( widthAtLevelOne > 0 ); + assert( heightAtLevelOne > 0 ); + + // does width x height at level 1 & all their mipmaps fit? + if( target == GL2.GL_TEXTURE_2D || target == GL2.GL_PROXY_TEXTURE_2D ) { + proxyTarget = GL2.GL_PROXY_TEXTURE_2D; + gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, + heightAtLevelOne, 0, format, type, null ); + } else if( (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_X) || + (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_X) || + (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_Y) || + (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y) || + (target == GL2.GL_TEXTURE_CUBE_MAP_POSITIVE_Z) || + (target == GL2.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) ) { + proxyTarget = GL2.GL_PROXY_TEXTURE_CUBE_MAP; + gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, + heightAtLevelOne, 0, format, type, null ); + } else { + assert( target == GL2.GL_TEXTURE_1D || target == GL2.GL_PROXY_TEXTURE_1D ); + proxyTarget = GL2.GL_PROXY_TEXTURE_1D; + gl.getGL2().glTexImage1D( proxyTarget, 1, internalFormat, widthAtLevelOne, + 0, format, type, null ); + } + if(gl.isGL2()) { + gl.getGL2().glGetTexLevelParameteriv( proxyTarget, 1, GL2.GL_TEXTURE_WIDTH, proxyWidth, 0 ); + } else { + proxyWidth[0] = 0; + } + // does it fit? + if( proxyWidth[0] == 0 ) { // nope, so try again with theses sizes + if( widthPowerOf2 == 1 && heightPowerOf2 == 1 ) { + /* A 1x1 texture couldn't fit for some reason so break out. This + * should never happen. But things happen. The disadvantage with + * this if-statement is that we will never be aware of when this + * happens since it will silently branch out. + */ + noProxyTextures = true; + break; + } + widthPowerOf2 = widthAtLevelOne; + heightPowerOf2 = heightAtLevelOne; + } + // else it does fit + } while( proxyWidth[0] == 0 ); + } catch (GLException e) { + noProxyTextures = true; + } + // loop must terminate + // return the width & height at level 0 that fits + if( !noProxyTextures ) { + newWidth[0] = widthPowerOf2; + newHeight[0] = heightPowerOf2; + return; + } + } + int[] maxsize = new int[1]; + gl.glGetIntegerv( GL2.GL_MAX_TEXTURE_SIZE, maxsize , 0); + // clamp user's texture sizes to maximum sizes, if necessary + newWidth[0] = nearestPower( width ); + if( newWidth[0] > maxsize[0] ) { + newWidth[0] = maxsize[0]; + } + newHeight[0] = nearestPower( height ); + if( newHeight[0] > maxsize[0] ) { + newHeight[0] = maxsize[0]; + } + } + + public static void closestFit3D( GL gl, int target, int width, int height, int depth, + int internalFormat, int format, int type, int[] newWidth, int[] newHeight, + int[] newDepth ) { + int widthPowerOf2 = nearestPower( width ); + int heightPowerOf2 = nearestPower( height ); + int depthPowerOf2 = nearestPower( depth ); + int[] proxyWidth = new int[1]; + + do { + // compute level 1 width & height & depth, clamping each at 1 + int widthAtLevelOne = (widthPowerOf2 > 1) ? widthPowerOf2 >> 1 : widthPowerOf2; + int heightAtLevelOne = (heightPowerOf2 > 1) ? heightPowerOf2 >> 1 : heightPowerOf2; + int depthAtLevelOne = (depthPowerOf2 > 1) ? depthPowerOf2 >> 1 : depthPowerOf2; + int proxyTarget = 0; + assert( widthAtLevelOne > 0 ); + assert( heightAtLevelOne > 0 ); + assert( depthAtLevelOne > 0 ); + + // does width x height x depth at level 1 & all their mipmaps fit? + if( target == GL2.GL_TEXTURE_3D || target == GL2.GL_PROXY_TEXTURE_3D ) { + proxyTarget = GL2.GL_PROXY_TEXTURE_3D; + gl.getGL2().glTexImage3D( proxyTarget, 1, internalFormat, widthAtLevelOne, + heightAtLevelOne, depthAtLevelOne, 0, format, type, null ); + } + if(gl.isGL2()) { + gl.getGL2().glGetTexLevelParameteriv( proxyTarget, 1, GL2.GL_TEXTURE_WIDTH, proxyWidth, 0 ); + } else { + proxyWidth[0] = 0; + } + // does it fit + if( proxyWidth[0] == 0 ) { + if( widthPowerOf2 == 1 && heightPowerOf2 == 1 && depthPowerOf2 == 1 ) { + newWidth[0] = newHeight[0] = newDepth[0] = 1; + return; + } + widthPowerOf2 = widthAtLevelOne; + heightPowerOf2 = heightAtLevelOne; + depthPowerOf2 = depthAtLevelOne; + } + } while( proxyWidth[0] == 0 ); + // loop must terminate + + // return the width & height at level 0 that fits + newWidth[0] = widthPowerOf2; + newHeight[0] = heightPowerOf2; + newDepth[0] = depthPowerOf2; + } + + public static int elements_per_group( int format, int type ) { + // Return the number of elements per grtoup of a specified gromat + + // If the type is packedpixels then answer is 1 + if( type == GL2.GL_UNSIGNED_BYTE_3_3_2 || + type == GL2.GL_UNSIGNED_BYTE_2_3_3_REV || + type == GL2.GL_UNSIGNED_SHORT_5_6_5 || + type == GL2.GL_UNSIGNED_SHORT_5_6_5_REV || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4 || + type == GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV || + type == GL2.GL_UNSIGNED_SHORT_5_5_5_1 || + type == GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV || + type == GL2.GL_UNSIGNED_INT_8_8_8_8 || + type == GL2.GL_UNSIGNED_INT_8_8_8_8_REV || + type == GL2.GL_UNSIGNED_INT_10_10_10_2 || + type == GL2.GL_UNSIGNED_INT_2_10_10_10_REV ) { + return( 1 ); + } + + // Types are not packed pixels so get elements per group + switch( format ) { + case( GL2.GL_RGB ): + case( GL2.GL_BGR ): + return( 3 ); + case( GL2.GL_LUMINANCE_ALPHA ): + return( 2 ); + case( GL2.GL_RGBA ): + case( GL2.GL_BGRA ): + return( 4 ); + default: + return( 1 ); + } + } + + public static int bytes_per_element( int type ) { + // return the number of bytes per element, based on the element type + + switch( type ) { + case( GL2.GL_BITMAP ): + case( GL2.GL_BYTE ): + case( GL2.GL_UNSIGNED_BYTE ): + case( GL2.GL_UNSIGNED_BYTE_3_3_2 ): + case( GL2.GL_UNSIGNED_BYTE_2_3_3_REV ): + return( 1 ); + case( GL2.GL_SHORT ): + case( GL2.GL_UNSIGNED_SHORT ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5 ): + case( GL2.GL_UNSIGNED_SHORT_5_6_5_REV ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4 ): + case( GL2.GL_UNSIGNED_SHORT_4_4_4_4_REV ): + case( GL2.GL_UNSIGNED_SHORT_5_5_5_1 ): + case( GL2.GL_UNSIGNED_SHORT_1_5_5_5_REV ): + return( 2 ); + case( GL2.GL_INT ): + case( GL2.GL_UNSIGNED_INT ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8 ): + case( GL2.GL_UNSIGNED_INT_8_8_8_8_REV ): + case( GL2.GL_UNSIGNED_INT_10_10_10_2 ): + case( GL2.GL_UNSIGNED_INT_2_10_10_10_REV ): + case( GL2.GL_FLOAT ): + return( 4 ); + default: + return( 4 ); + } + } + + public static boolean is_index( int format ) { + return( format == GL2.GL_COLOR_INDEX || format == GL2.GL_STENCIL_INDEX ); + } + + /* Compute memory required for internal packed array of data of given type and format. */ + + public static int image_size( int width, int height, int format, int type ) { + int bytes_per_row; + int components; + + assert( width > 0 ); + assert( height > 0 ); + components = elements_per_group( format, type ); + if( type == GL2.GL_BITMAP ) { + bytes_per_row = (width + 7) / 8; + } else { + bytes_per_row = bytes_per_element( type ) * width; + } + return( bytes_per_row * height * components ); + } + + public static int imageSize3D( int width, int height, int depth, int format, int type ) { + int components = elements_per_group( format, type ); + int bytes_per_row = bytes_per_element( type ) * width; + + assert( width > 0 && height > 0 && depth > 0 ); + assert( type != GL2.GL_BITMAP ); + + return( bytes_per_row * height * depth * components ); + } + + public static void retrieveStoreModes( GL gl, PixelStorageModes psm ) { + int[] a = new int[1]; + gl.glGetIntegerv( GL2.GL_UNPACK_ALIGNMENT, a, 0); + psm.setUnpackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_ROW_LENGTH, a, 0); + psm.setUnpackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_ROWS, a, 0); + psm.setUnpackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_PIXELS, a, 0); + psm.setUnpackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_LSB_FIRST, a, 0); + psm.setUnpackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_UNPACK_SWAP_BYTES, a, 0); + psm.setUnpackSwapBytes( ( a[0] == 1 ) ); + + gl.glGetIntegerv( GL2.GL_PACK_ALIGNMENT, a, 0); + psm.setPackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_ROW_LENGTH, a, 0); + psm.setPackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_ROWS, a, 0); + psm.setPackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_PIXELS, a, 0); + psm.setPackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_LSB_FIRST, a, 0); + psm.setPackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_PACK_SWAP_BYTES, a, 0); + psm.setPackSwapBytes( ( a[0] == 1 ) ); + } + + public static void retrieveStoreModes3D( GL gl, PixelStorageModes psm ) { + int[] a = new int[1]; + gl.glGetIntegerv( GL2.GL_UNPACK_ALIGNMENT, a, 0); + psm.setUnpackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_ROW_LENGTH, a, 0); + psm.setUnpackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_ROWS, a, 0); + psm.setUnpackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_PIXELS, a, 0); + psm.setUnpackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_LSB_FIRST, a, 0); + psm.setUnpackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_UNPACK_SWAP_BYTES, a, 0); + psm.setUnpackSwapBytes( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_UNPACK_SKIP_IMAGES, a, 0); + psm.setUnpackSkipImages( a[0] ); + gl.glGetIntegerv( GL2.GL_UNPACK_IMAGE_HEIGHT, a, 0); + psm.setUnpackImageHeight( a[0] ); + + gl.glGetIntegerv( GL2.GL_PACK_ALIGNMENT, a, 0); + psm.setPackAlignment( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_ROW_LENGTH, a, 0); + psm.setPackRowLength( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_ROWS, a, 0); + psm.setPackSkipRows( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_PIXELS, a, 0 ); + psm.setPackSkipPixels( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_LSB_FIRST, a, 0 ); + psm.setPackLsbFirst( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_PACK_SWAP_BYTES, a, 0 ); + psm.setPackSwapBytes( ( a[0] == 1 ) ); + gl.glGetIntegerv( GL2.GL_PACK_SKIP_IMAGES, a, 0 ); + psm.setPackSkipImages( a[0] ); + gl.glGetIntegerv( GL2.GL_PACK_IMAGE_HEIGHT, a, 0 ); + psm.setPackImageHeight( a[0] ); + } + + public static int gluScaleImage( GL gl, int format, int widthin, int heightin, + int typein, ByteBuffer datain, int widthout, int heightout, + int typeout, ByteBuffer dataout ) { + int datainPos = datain.position(); + int dataoutPos = dataout.position(); + try { + + int components; + ByteBuffer beforeimage; + ByteBuffer afterimage; + PixelStorageModes psm = new PixelStorageModes(); + + if( (widthin == 0) || (heightin == 0) || (widthout == 0) || (heightout == 0) ) { + return( 0 ); + } + if( (widthin < 0) || (heightin < 0) || (widthout < 0) || (heightout < 0) ) { + return( GLU.GLU_INVALID_VALUE ); + } + if( !legalFormat( format ) || !legalType( typein ) || !legalType( typeout ) ) { + return( GLU.GLU_INVALID_ENUM ); + } + if( !isLegalFormatForPackedPixelType( format, typein ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + if( !isLegalFormatForPackedPixelType( format, typeout ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + beforeimage = ByteBuffer.allocateDirect( image_size( widthin, heightin, format, GL2.GL_UNSIGNED_SHORT ) ).order( ByteOrder.nativeOrder() ); + afterimage = ByteBuffer.allocateDirect( image_size( widthout, heightout, format, GL2.GL_UNSIGNED_SHORT ) ).order( ByteOrder.nativeOrder() ); + if( beforeimage == null || afterimage == null ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + + retrieveStoreModes( gl, psm ); + Image.fill_image( psm, widthin, heightin, format, typein, is_index( format ), datain, beforeimage.asShortBuffer() ); + components = elements_per_group( format, 0 ); + ScaleInternal.scale_internal( components, widthin, heightin, beforeimage.asShortBuffer(), widthout, heightout, afterimage.asShortBuffer() ); + Image.empty_image( psm, widthout, heightout, format, typeout, is_index( format ), afterimage.asShortBuffer(), dataout ); + + return( 0 ); + } finally { + datain.position(datainPos); + dataout.position(dataoutPos); + } + } + + public static int gluBuild1DMipmapLevels( GL gl, int target, int internalFormat, + int width, int format, int type, int userLevel, int baseLevel, + int maxLevel, ByteBuffer data ) { + int dataPos = data.position(); + try { + + int levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + levels = computeLog( width ); + + levels += userLevel; + if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { + return( GLU.GLU_INVALID_VALUE ); + } + + return( BuildMipmap.gluBuild1DMipmapLevelsCore( gl, target, internalFormat, width, + width, format, type, userLevel, baseLevel, maxLevel, data ) ); + } finally { + data.position(dataPos); + } + } + + public static int gluBuild1DMipmaps( GL gl, int target, int internalFormat, int width, + int format, int type, ByteBuffer data ) { + int dataPos = data.position(); + + try { + int[] widthPowerOf2 = new int[1]; + int levels; + int[] dummy = new int[1]; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + closestFit( gl, target, width, 1, internalFormat, format, type, widthPowerOf2, dummy ); + levels = computeLog( widthPowerOf2[0] ); + + return( BuildMipmap.gluBuild1DMipmapLevelsCore( gl, target, internalFormat, + width, widthPowerOf2[0], format, type, 0, 0, levels, data ) ); + } finally { + data.position(dataPos); + } + } + + + public static int gluBuild2DMipmapLevels( GL gl, int target, int internalFormat, + int width, int height, int format, int type, int userLevel, + int baseLevel, int maxLevel, Object data ) { + int dataPos = 0; + + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + levels = computeLog( width ); + level = computeLog( height ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { + return( GLU.GLU_INVALID_VALUE ); + } + + //PointerWrapper pointer = PointerWrapperFactory.getPointerWrapper( data ); + ByteBuffer buffer = null; + if( data instanceof ByteBuffer ) { + buffer = (ByteBuffer)data; + dataPos = buffer.position(); + } else if( data instanceof byte[] ) { + byte[] array = (byte[])data; + buffer = ByteBuffer.allocateDirect(array.length); + buffer.put(array); + } else if( data instanceof short[] ) { + short[] array = (short[])data; + buffer = ByteBuffer.allocateDirect( array.length * 2 ); + ShortBuffer sb = buffer.asShortBuffer(); + sb.put( array ); + } else if( data instanceof int[] ) { + int[] array = (int[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + IntBuffer ib = buffer.asIntBuffer(); + ib.put( array ); + } else if( data instanceof float[] ) { + float[] array = (float[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + FloatBuffer fb = buffer.asFloatBuffer(); + fb.put( array ); + } + + try { + return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, + width, height, width, height, format, type, userLevel, baseLevel, + maxLevel, buffer ) ); + } finally { + buffer.position(dataPos); + } + } + + + public static int gluBuild2DMipmaps( GL gl, int target, int internalFormat, + int width, int height, int format, int type, Object data ) { + int dataPos = 0; + + int[] widthPowerOf2 = new int[1]; + int[] heightPowerOf2 = new int[1]; + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + closestFit( gl, target, width, height, internalFormat, format, type, + widthPowerOf2, heightPowerOf2 ); + + levels = computeLog( widthPowerOf2[0] ); + level = computeLog( heightPowerOf2[0] ); + if( level > levels ) { + levels = level; + } + + //PointerWrapper pointer = PointerWrapperFactory.getPointerWrapper( data ); + ByteBuffer buffer = null; + if( data instanceof ByteBuffer ) { + buffer = (ByteBuffer)data; + dataPos = buffer.position(); + } else if( data instanceof byte[] ) { + byte[] array = (byte[])data; + buffer = ByteBuffer.allocateDirect(array.length); + buffer.put(array); + } else if( data instanceof short[] ) { + short[] array = (short[])data; + buffer = ByteBuffer.allocateDirect( array.length * 2 ); + ShortBuffer sb = buffer.asShortBuffer(); + sb.put( array ); + } else if( data instanceof int[] ) { + int[] array = (int[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + IntBuffer ib = buffer.asIntBuffer(); + ib.put( array ); + } else if( data instanceof float[] ) { + float[] array = (float[])data; + buffer = ByteBuffer.allocateDirect( array.length * 4 ); + FloatBuffer fb = buffer.asFloatBuffer(); + fb.put( array ); + } + + try { + return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, + width, height, widthPowerOf2[0], heightPowerOf2[0], format, type, 0, + 0, levels, buffer ) ); + } finally { + buffer.position(dataPos); + } + } + + + public static int gluBuild3DMipmaps( GL gl, int target, int internalFormat, + int width, int height, int depth, int format, int type, ByteBuffer data ) { + int dataPos = data.position(); + try { + + int[] widthPowerOf2 = new int[1]; + int[] heightPowerOf2 = new int[1]; + int[] depthPowerOf2 = new int[1]; + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 || depth < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + if( type == GL2.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } + + closestFit3D( gl, target, width, height, depth, internalFormat, format, + type, widthPowerOf2, heightPowerOf2, depthPowerOf2 ); + + levels = computeLog( widthPowerOf2[0] ); + level = computeLog( heightPowerOf2[0] ); + if( level > levels ) { + levels = level; + } + level = computeLog( depthPowerOf2[0] ); + if( level > levels ) { + levels = level; + } + + return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, + height, depth, widthPowerOf2[0], heightPowerOf2[0], depthPowerOf2[0], + format, type, 0, 0, levels, data ) ); + } finally { + data.position(dataPos); + } + } + + public static int gluBuild3DMipmapLevels( GL gl, int target, int internalFormat, + int width, int height, int depth, int format, int type, int userLevel, + int baseLevel, int maxLevel, ByteBuffer data ) { + int dataPos = data.position(); + try { + int level, levels; + + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } + + if( width < 1 || height < 1 || depth < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + if( type == GL2.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } + + levels = computeLog( width ); + level = computeLog( height ); + if( level > levels ) { + levels = level; + } + level = computeLog( depth ); + if( level > levels ) { + levels = level; + } + + levels += userLevel; + if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { + return( GLU.GLU_INVALID_VALUE ); + } + + return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, + height, depth, width, height, depth, format, type, userLevel, + baseLevel, maxLevel, data ) ); + } finally { + data.position(dataPos); + } + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/PixelStorageModes.java b/src/classes/com/sun/opengl/impl/glu/mipmap/PixelStorageModes.java new file mode 100644 index 000000000..82324f1b0 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/PixelStorageModes.java @@ -0,0 +1,426 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +/** + * + * @author Administrator + */ +public class PixelStorageModes { + + /** + * Holds value of property packAlignment. + */ + private int packAlignment; + + /** + * Holds value of property packRowLength. + */ + private int packRowLength; + + /** + * Holds value of property packSkipRows. + */ + private int packSkipRows; + + /** + * Holds value of property packSkipPixels. + */ + private int packSkipPixels; + + /** + * Holds value of property packLsbFirst. + */ + private boolean packLsbFirst; + + /** + * Holds value of property packSwapBytes. + */ + private boolean packSwapBytes; + + /** + * Holds value of property packSkipImages. + */ + private int packSkipImages; + + /** + * Holds value of property packImageHeight. + */ + private int packImageHeight; + + /** + * Holds value of property unpackAlignment. + */ + private int unpackAlignment; + + /** + * Holds value of property unpackRowLength. + */ + private int unpackRowLength; + + /** + * Holds value of property unpackSkipRows. + */ + private int unpackSkipRows; + + /** + * Holds value of property unpackSkipPixels. + */ + private int unpackSkipPixels; + + /** + * Holds value of property unpackLsbFirst. + */ + private boolean unpackLsbFirst; + + /** + * Holds value of property unpackSwapBytes. + */ + private boolean unpackSwapBytes; + + /** + * Holds value of property unpackSkipImages. + */ + private int unpackSkipImages; + + /** + * Holds value of property unpackImageHeight. + */ + private int unpackImageHeight; + + /** Creates a new instance of PixelStorageModes */ + public PixelStorageModes() { + } + + /** + * Getter for property packAlignment. + * @return Value of property packAlignment. + */ + public int getPackAlignment() { + + return this.packAlignment; + } + + /** + * Setter for property packAlignment. + * @param packAlignment New value of property packAlignment. + */ + public void setPackAlignment(int packAlignment) { + + this.packAlignment = packAlignment; + } + + /** + * Getter for property packRowLength. + * @return Value of property packRowLength. + */ + public int getPackRowLength() { + + return this.packRowLength; + } + + /** + * Setter for property packRowLength. + * @param packRowLength New value of property packRowLength. + */ + public void setPackRowLength(int packRowLength) { + + this.packRowLength = packRowLength; + } + + /** + * Getter for property packSkipRows. + * @return Value of property packSkipRows. + */ + public int getPackSkipRows() { + + return this.packSkipRows; + } + + /** + * Setter for property packSkipRows. + * @param packSkipRows New value of property packSkipRows. + */ + public void setPackSkipRows(int packSkipRows) { + + this.packSkipRows = packSkipRows; + } + + /** + * Getter for property packSkipPixels. + * @return Value of property packSkipPixels. + */ + public int getPackSkipPixels() { + + return this.packSkipPixels; + } + + /** + * Setter for property packSkipPixels. + * @param packSkipPixels New value of property packSkipPixels. + */ + public void setPackSkipPixels(int packSkipPixels) { + + this.packSkipPixels = packSkipPixels; + } + + /** + * Getter for property packLsbFirst. + * @return Value of property packLsbFirst. + */ + public boolean getPackLsbFirst() { + + return this.packLsbFirst; + } + + /** + * Setter for property packLsbFirst. + * @param packLsbFirst New value of property packLsbFirst. + */ + public void setPackLsbFirst(boolean packLsbFirst) { + + this.packLsbFirst = packLsbFirst; + } + + /** + * Getter for property packSwapBytes. + * @return Value of property packSwapBytes. + */ + public boolean getPackSwapBytes() { + + return this.packSwapBytes; + } + + /** + * Setter for property packSwapBytes. + * @param packSwapBytes New value of property packSwapBytes. + */ + public void setPackSwapBytes(boolean packSwapBytes) { + + this.packSwapBytes = packSwapBytes; + } + + /** + * Getter for property packSkipImages. + * @return Value of property packSkipImages. + */ + public int getPackSkipImages() { + + return this.packSkipImages; + } + + /** + * Setter for property packSkipImages. + * @param packSkipImages New value of property packSkipImages. + */ + public void setPackSkipImages(int packSkipImages) { + + this.packSkipImages = packSkipImages; + } + + /** + * Getter for property packImageHeight. + * @return Value of property packImageHeight. + */ + public int getPackImageHeight() { + + return this.packImageHeight; + } + + /** + * Setter for property packImageHeight. + * @param packImageHeight New value of property packImageHeight. + */ + public void setPackImageHeight(int packImageHeight) { + + this.packImageHeight = packImageHeight; + } + + /** + * Getter for property unpackAlignment. + * @return Value of property unpackAlignment. + */ + public int getUnpackAlignment() { + + return this.unpackAlignment; + } + + /** + * Setter for property unpackAlignment. + * @param unpackAlignment New value of property unpackAlignment. + */ + public void setUnpackAlignment(int unpackAlignment) { + + this.unpackAlignment = unpackAlignment; + } + + /** + * Getter for property unpackRowLength. + * @return Value of property unpackRowLength. + */ + public int getUnpackRowLength() { + + return this.unpackRowLength; + } + + /** + * Setter for property unpackRowLength. + * @param unpackRowLength New value of property unpackRowLength. + */ + public void setUnpackRowLength(int unpackRowLength) { + + this.unpackRowLength = unpackRowLength; + } + + /** + * Getter for property unpackSkipRows. + * @return Value of property unpackSkipRows. + */ + public int getUnpackSkipRows() { + + return this.unpackSkipRows; + } + + /** + * Setter for property unpackSkipRows. + * @param unpackSkipRows New value of property unpackSkipRows. + */ + public void setUnpackSkipRows(int unpackSkipRows) { + + this.unpackSkipRows = unpackSkipRows; + } + + /** + * Getter for property unpackSkipPixels. + * @return Value of property unpackSkipPixels. + */ + public int getUnpackSkipPixels() { + + return this.unpackSkipPixels; + } + + /** + * Setter for property unpackSkipPixels. + * @param unpackSkipPixels New value of property unpackSkipPixels. + */ + public void setUnpackSkipPixels(int unpackSkipPixels) { + + this.unpackSkipPixels = unpackSkipPixels; + } + + /** + * Getter for property unpackLsbFirst. + * @return Value of property unpackLsbFirst. + */ + public boolean getUnpackLsbFirst() { + + return this.unpackLsbFirst; + } + + /** + * Setter for property unpackLsbFirst. + * @param unpackLsbFirst New value of property unpackLsbFirst. + */ + public void setUnpackLsbFirst(boolean unpackLsbFirst) { + + this.unpackLsbFirst = unpackLsbFirst; + } + + /** + * Getter for property unpackSwapBytes. + * @return Value of property unpackSwapBytes. + */ + public boolean getUnpackSwapBytes() { + + return this.unpackSwapBytes; + } + + /** + * Setter for property unpackSwapBytes. + * @param unpackSwapBytes New value of property unpackSwapBytes. + */ + public void setUnpackSwapBytes(boolean unpackSwapBytes) { + + this.unpackSwapBytes = unpackSwapBytes; + } + + /** + * Getter for property unpackSkipImages. + * @return Value of property unpackSkipImages. + */ + public int getUnpackSkipImages() { + + return this.unpackSkipImages; + } + + /** + * Setter for property unpackSkipImages. + * @param unpackSkipImages New value of property unpackSkipImages. + */ + public void setUnpackSkipImages(int unpackSkipImages) { + + this.unpackSkipImages = unpackSkipImages; + } + + /** + * Getter for property unpackImageHeight. + * @return Value of property unpackImageHeight. + */ + public int getUnpackImageHeight() { + + return this.unpackImageHeight; + } + + /** + * Setter for property unpackImageHeight. + * @param unpackImageHeight New value of property unpackImageHeight. + */ + public void setUnpackImageHeight(int unpackImageHeight) { + + this.unpackImageHeight = unpackImageHeight; + } + + +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/ScaleInternal.java b/src/classes/com/sun/opengl/impl/glu/mipmap/ScaleInternal.java new file mode 100644 index 000000000..f4d94412d --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/ScaleInternal.java @@ -0,0 +1,2448 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import javax.media.opengl.GL; +import javax.media.opengl.GL2; +import javax.media.opengl.glu.GLU; +import java.nio.*; + +/** + * + * @author Administrator + */ +public class ScaleInternal { + + public static final float UINT_MAX = (float)(0x00000000FFFFFFFF); + + public static void scale_internal( int components, int widthin, int heightin, + ShortBuffer datain, int widthout, int heightout, ShortBuffer dataout ) { + float x, lowx, highx, convx, halfconvx; + float y, lowy, highy, convy, halfconvy; + float xpercent, ypercent; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, yint, xint, xindex, yindex; + int temp; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage( components, widthin, heightin, datain, dataout ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + halfconvx = convx / 2; + halfconvy = convy / 2; + for( i = 0; i < heightout; i++ ) { + y = convy * ( i + 0.5f ); + if( heightin > heightout ) { + highy = y + halfconvy; + lowy = y - halfconvy; + } else { + highy = y + 0.5f; + lowy = y - 0.5f; + } + for( j = 0; j < widthout; j++ ) { + x = convx * ( j + 0.5f ); + if( widthin > widthout ) { + highx = x + halfconvx; + lowx = x - halfconvx; + } else { + highx = x + 0.5f; + lowx = x - 0.5f; + } + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + area = 0.0f; + + y = lowy; + yint = (int)Math.floor( y ); + while( y < highy ) { + yindex = ( yint + heightin ) % heightin; + if( highy < yint + 1 ) { + ypercent = highy - y; + } else { + ypercent = yint + 1 - y; + } + + x = lowx; + xint = (int)Math.floor( x ); + + while( x < highx ) { + xindex = ( xint + widthin ) % widthin; + if( highx < xint + 1 ) { + xpercent = highx -x; + } else { + xpercent = xint + 1 - x; + } + + percent = xpercent * ypercent; + area += percent; + temp = ( xindex + ( yindex * widthin) ) * components; + for( k = 0; k < components; k++ ) { + totals[k] += datain.get( temp + k ) * percent; + } + + xint++; + x = xint; + } + yint++; + y = yint; + } + + temp = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + // totals[] should be rounded in the case of enlarging an RGB + // ramp when the type is 332 or 4444 + dataout.put( temp + k, (short)((totals[k] + 0.5f) / area) ); + } + } + } + } + + public static void scale_internal_ubyte( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ByteBuffer dataout, int element_size, int ysize, int group_size ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_ubyte( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * y_percent; + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + float f = 0.0f; + datain.position( left ); + f = ( 0x000000FF & datain.get() ) * ( 1.0f - lowx_float ); + datain.position( right ); + f += ( 0x000000FF & datain.get() ) * highx_float; + totals[k] += f; + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * x_percent; + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ) * percent; + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += ( 0x000000FF & datain.get() ); + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (byte)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_byte( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ByteBuffer dataout, int element_size, int ysize, + int group_size ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_byte( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * y_percent; + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + float f = 0.0f; + datain.position( left ); + f = datain.get() * ( 1 - lowx_float ); + datain.position( right ); + f += datain.get() * highx_float; + totals[k] += f; + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * x_percent; + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * y_percent; + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get() * percent; + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + totals[k] += datain.get(); + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (byte)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_ushort( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ShortBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_ushort( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & ((int)Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * y_percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & (Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ))) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort() ) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += ( 0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += ( 0x0000FFFF & datain.getShort()) * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + float f = (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * ( 1 - lowx_float ); + datain.position( right ); + f += ((0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES(datain.getShort())) * highx_float); + totals[k] += f; + } else { + datain.position( left ); + float f = ((0x0000FFFF & datain.getShort()) * ( 1 - lowx_float )); + datain.position( right ); + f += ((0x0000FFFF & datain.getShort()) * highx_float); + totals[k] += f; + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * x_percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort() )) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * y_percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort()) ) * percent; + } else { + totals[k] += (0x0000FFFF & datain.getShort()) * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x0000FFFF & Mipmap.GLU_SWAP_2_BYTES( datain.getShort())); + } else { + totals[k] += (0x0000FFFF & datain.getShort()); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (short)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_short( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + ShortBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + int swapbuf; // unsigned buffer + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_short( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getShort() * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getShort() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * ( 1 - lowx_float ); + datain.position( right ); + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * highx_float; + } else { + datain.position( left ); + totals[k] += datain.getShort() * ( 1 - lowx_float ); + datain.position( right ); + totals[k] += datain.getShort() * highx_float; + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort()); + totals[k] += swapbuf * x_percent; + } else { + totals[k] += datain.getShort() * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getShort() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getShort() * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_2_BYTES( datain.getShort() ); + totals[k] += swapbuf; + } else { + totals[k] += datain.getShort(); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (short)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_uint( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_uint( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * y_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt()) ) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += ((0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES(datain.getInt())) * highx_float); + } else { + datain.position( left ); + totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += ((0x00000000FFFFFFFF & datain.getInt()) * highx_float); + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * x_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * y_percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + long tempInt0 = ( 0xFFFFFFFFL & datain.getInt( temp_index ) ); + datain.position( temp_index ); + long tempInt1 = ( 0xFFFFFFFFL & datain.getInt() ); + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())) * percent; + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()) * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + totals[k] += (0x00000000FFFFFFFF & Mipmap.GLU_SWAP_4_BYTES( datain.getInt())); + } else { + totals[k] += (0x00000000FFFFFFFF & datain.getInt()); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + float value = 0.0f; + for( k = 0; k < components; k++ ) { + value = totals[k] / area; + dataout.position( outindex + k ); + if( value >= UINT_MAX ) { + dataout.put( (int)value ); + } else { + dataout.put( (int)(totals[k] / area) ); + } + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_int( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + IntBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + long swapbuf; // unsigned buffer + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_int( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getInt() * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getInt() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * ( 1 - lowx_float ); + datain.position( right ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * highx_float; + } else { + datain.position( left ); + totals[k] += (datain.getInt() * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += (datain.getInt() * highx_float); + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * x_percent; + } else { + totals[k] += datain.getInt() * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getInt() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getInt() * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getInt() ); + totals[k] += swapbuf; + } else { + totals[k] += datain.getInt(); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (int)(totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scale_internal_float( int components, int widthin, int heightin, + ByteBuffer datain, int widthout, int heightout, + FloatBuffer dataout, int element_size, int ysize, + int group_size, boolean myswap_bytes ) { + float x, convx; + float y, convy; + float percent; + // Max components in a format is 4, so... + float[] totals = new float[4]; + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outindex; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + float swapbuf; // unsigned buffer + + if( (widthin == (widthout * 2)) && (heightin == (heightout * 2)) ) { + HalveImage.halveImage_float( components, widthin, heightin, datain, dataout, + element_size, ysize, group_size, myswap_bytes ); + return; + } + convy = (float)heightin / heightout; + convx = (float)widthin / widthout; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convy_float; + + for( i = 0; i < heightout; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightin) + highy_int = heightin - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthout; j++ ) { + + // Ok, now apply box filter to box that goes from (lowx, lowy) + // to (highx, highy) on input data into this pixel on output + // data. + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // caulate the value for pixels in the 1st row + xindex = lowx_int * group_size; + if( ( highy_int > lowy_int ) && ( highx_int > lowx_int ) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * ysize; + percent = y_percent * ( 1 - lowx_float ); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getFloat() * y_percent; + } + } + } + temp += group_size; + right = temp; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + + // calculate the value for pixels in the last row + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getFloat() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + + // calculate the value for the pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += ysize; + right += ysize; + for( k = 0; k < components; k++, left += element_size, right += element_size ) { + if( myswap_bytes ) { + datain.position( left ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * ( 1 - lowx_float ); + datain.position( right ); + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * highx_float; + } else { + datain.position( left ); + totals[k] += (datain.getFloat() * ( 1 - lowx_float )); + datain.position( right ); + totals[k] += (datain.getFloat() * highx_float); + } + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float) * x_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * x_percent; + } else { + totals[k] += datain.getFloat() * x_percent; + } + } + } + percent = x_percent * highy_float; + temp += ysize; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += group_size; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * y_percent; + } else { + totals[k] += datain.getFloat() * y_percent; + } + } + } + temp += group_size; + percent = y_percent * highx_float; + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + (lowy_int * ysize); + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf * percent; + } else { + totals[k] += datain.getFloat() * percent; + } + } + } + + // this is for the pixels in the body + temp0 = xindex + group_size + ( lowy_int + 1 ) * ysize; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + for( k = 0, temp_index = temp; k < components; k++, temp_index += element_size ) { + datain.position( temp_index ); + if( myswap_bytes ) { + swapbuf = Mipmap.GLU_SWAP_4_BYTES( datain.getFloat() ); + totals[k] += swapbuf; + } else { + totals[k] += datain.getFloat(); + } + } + temp += group_size; + } + temp0 += ysize; + } + + outindex = ( j + ( i * widthout ) ) * components; + for( k = 0; k < components; k++ ) { + dataout.position( outindex + k ); + dataout.put( (totals[k] / area) ); + } + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthin - 1) { + int delta = (highx_int - widthin + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + } + + public static void scaleInternalPackedPixel( int components, Extract extract, + int widthIn, int heightIn, ByteBuffer dataIn, int widthOut, + int heightOut, ByteBuffer dataOut, int pixelSizeInBytes, + int rowSizeInBytes, boolean isSwap ) { + float x, convx; + float y, convy; + float percent; + + // max components in a format is 4, so + float[] totals = new float[4]; + float[] extractTotals = new float[4]; + float[] extractMoreTotals = new float[4]; + float[] shoveTotals = new float[4]; + + float area; + int i, j, k, xindex; + + int temp, temp0; + int temp_index; + int outIndex = 0; + + int lowx_int, highx_int, lowy_int, highy_int; + float x_percent, y_percent; + float lowx_float, highx_float, lowy_float, highy_float; + float convy_float, convx_float; + int convy_int, convx_int; + int l, m; + int left, right; + + if( widthIn == widthOut * 2 && heightIn == heightOut * 2 ) { + HalveImage.halveImagePackedPixel( components, extract, widthIn, heightIn, dataIn, dataOut, + pixelSizeInBytes, rowSizeInBytes, isSwap ); + return; + } + convy = (float)heightIn / (float)heightOut; + convx = (float)widthIn / (float)widthOut; + convy_int = (int)Math.floor( convy ); + convy_float = convy - convy_int; + convx_int = (int)Math.floor( convx ); + convx_float = convx - convx_int; + + area = convx * convy; + + lowy_int = 0; + lowy_float = 0.0f; + highy_int = convy_int; + highy_float = convx_float; + + for( i = 0; i < heightOut; i++ ) { + // Clamp here to be sure we don't read beyond input buffer. + if (highy_int >= heightIn) + highy_int = heightIn - 1; + lowx_int = 0; + lowx_float = 0.0f; + highx_int = convx_int; + highx_float = convx_float; + + for( j = 0; j < widthOut; j++ ) { + // ok now apply box filter to box that goes from( lowx, lowy ) + // to ( highx, highy ) on input data into this pixel on output data + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + + // calculate that value for pixels in the 1st row + xindex = lowx_int * pixelSizeInBytes; + if( (highy_int > lowy_int) && (highx_int > lowx_int) ) { + + y_percent = 1 - lowy_float; + temp = xindex + lowy_int * rowSizeInBytes; + percent = y_percent * ( 1 - lowx_float ); + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + left = temp; + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += pixelSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * y_percent; + } + } + temp += pixelSizeInBytes; + right = temp; + percent = y_percent * highx_float; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + // calculate the value for pixels in the last row + + y_percent = highy_float; + percent = y_percent * ( 1 - lowx_float ); + temp = xindex + highy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += pixelSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * y_percent; + } + } + temp += pixelSizeInBytes; + percent = y_percent * highx_float; + dataIn.position( temp ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + + // calculate the value for pixels in the 1st and last column + for( m = lowy_int + 1; m < highy_int; m++ ) { + left += rowSizeInBytes; + right += rowSizeInBytes; + dataIn.position( left ); + extract.extract( isSwap, dataIn, extractTotals ); + dataIn.position( right ); + extract.extract( isSwap, dataIn, extractMoreTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += ( extractTotals[k] * ( 1 - lowx_float ) + extractMoreTotals[k] * highx_float ); + } + } + } else if( highy_int > lowy_int ) { + x_percent = highx_float - lowx_float; + percent = ( 1 - lowy_float ) * x_percent; + temp = xindex + lowy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp += rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * x_percent; + } + } + percent = x_percent * highy_float; + temp += rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + } else if( highx_int > lowx_int ) { + y_percent = highy_float - lowy_float; + percent = ( 1 - lowx_float ) * y_percent; + temp = xindex + lowy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + for( l = lowx_int + 1; l < highx_int; l++ ) { + temp += pixelSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * y_percent; + } + } + temp += pixelSizeInBytes; + percent = y_percent * highx_float; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + } else { + percent = ( highy_float - lowy_float ) * ( highx_float - lowx_float ); + temp = xindex + lowy_int * rowSizeInBytes; + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + } + + // this is for the pixels in the body + temp0 = xindex + pixelSizeInBytes + ( lowy_int + 1 ) * rowSizeInBytes; + for( m = lowy_int + 1; m < highy_int; m++ ) { + temp = temp0; + for( l = lowx_int + 1; l < highx_int; l++ ) { + dataIn.position( temp ); + extract.extract( isSwap, dataIn, extractTotals ); + for( k = 0; k < components; k++ ) { + totals[k] += extractTotals[k] * percent; + } + temp += pixelSizeInBytes; + } + temp0 += rowSizeInBytes; + } + + outIndex = ( j + ( i * widthOut ) ); + for( k = 0; k < components; k++ ) { + shoveTotals[k] = totals[k] / area; + } + extract.shove( shoveTotals, outIndex, dataOut ); + lowx_int = highx_int; + lowx_float = highx_float; + highx_int += convx_int; + highx_float += convx_float; + if( highx_float > 1.0f ) { + highx_float -= 1.0f; + highx_int++; + } + + // Clamp to make sure we don't run off the right edge + if (highx_int > widthIn - 1) { + int delta = (highx_int - widthIn + 1); + lowx_int -= delta; + highx_int -= delta; + } + } + lowy_int = highy_int; + lowy_float = highy_float; + highy_int += convy_int; + highy_float += convy_float; + if( highy_float > 1.0f ) { + highy_float -= 1.0f; + highy_int++; + } + } + assert( outIndex == ( widthOut * heightOut - 1) ); + } + + public static void scaleInternal3D( int components, int widthIn, int heightIn, + int depthIn, ShortBuffer dataIn, int widthOut, int heightOut, + int depthOut, ShortBuffer dataOut ) { + float x, lowx, highx, convx, halfconvx; + float y, lowy, highy, convy, halfconvy; + float z, lowz, highz, convz, halfconvz; + float xpercent, ypercent, zpercent; + float percent; + // max compnents in a format is 4 + float[] totals = new float[4]; + float volume; + int i, j, d, k, zint, yint, xint, xindex, yindex, zindex; + int temp; + + lowy = highy = lowx = highx = 0.0f; + + convz = (float)depthIn / depthOut; + convy = (float)heightIn / heightOut; + convx = (float)widthIn / widthOut; + halfconvz = convz / 2.0f; + halfconvy = convy / 2.0f; + halfconvx = convx / 2.0f; + for( d = 0; d < depthOut; d++ ) { + z = convz * ( d + 0.5f ); + if( depthIn > depthOut ) { + highz = z + halfconvz; + lowz = z - halfconvz; + } else { + highz = z + 0.5f; + lowz = z - 0.5f; + } + for( i = 0; i < heightOut; i++ ) { + y = convy * ( i + 0.5f ); + if( heightIn > heightOut ) { + highz = y + halfconvy; + lowz = y - halfconvy; + } else { + highz = y + 0.5f; + lowz = y - 0.5f; + } + for( j = 0; j < widthOut; j++ ) { + x = convx * ( j + 0.5f ); + if( depthIn > depthOut ) { + highz = x + halfconvx; + lowz = x - halfconvx; + } else { + highz = x + 0.5f; + lowz = x - 0.5f; + } + + // Ok, now apply box filter to box that goes from ( lowx, lowy, lowz ) + // to ( highx, highy, highz ) on input data into this pixel on output data + + totals[0] = totals[1] = totals[2] = totals[3] = 0.0f; + volume = 0.0f; + + z = lowz; + zint = (int)(Math.floor( z ) ); + while( z < highz ) { + zindex = ( zint + depthIn ) % depthIn; + if( highz < zint + 1 ) { + zpercent = highz - z; + } else { + zpercent = zint + 1 - z; + } + + y = lowy; + yint = (int)(Math.floor( y ) ); + while( y < highy ) { + yindex = ( yint + heightIn ) % heightIn; + if( highy < yint + 1 ) { + ypercent = highy - y; + } else { + ypercent = yint + 1 - y; + } + + x = lowx; + xint = (int)(Math.floor( x ) ); + + while( x < highx ) { + xindex = (xint + widthIn ) % widthIn; + if( highx < xint + 1 ) { + xpercent = highx - x; + } else { + xpercent = xint + 1 - x; + } + + percent = xpercent * ypercent * zpercent; + volume += percent; + + temp = (xindex + ( yindex *widthIn) + (zindex * widthIn *heightIn)) * components; + for( k = 0; k < components; k++ ) { + assert( 0 <= (temp+k) && (temp+k) < (widthIn * heightIn * depthIn * components) ); + totals[k] += dataIn.get( temp + k ) * percent; + } + xint++; + x = xint; + } // while x + yint++; + y = yint; + } // while y + zint++; + z = zint; + } // while z + + temp = ( j + ( i * widthOut ) + (d * widthOut * heightOut ) ) * components; + for( k = 0; k < components; k++ ) { + // totals should be rounded in the case of enlarging an rgb ramp when the type is 332 or 4444 + assert( 0 <= ( temp + k ) && ( temp + k ) < (widthOut * heightOut* depthOut * components) ); + dataOut.put( temp + k, (short)((totals[k] + 0.5f) / volume ) ); + } + } + } + } + } + + public static int gluScaleImage3D( GL gl, int format, int widthIn, int heightIn, + int depthIn, int typeIn, ByteBuffer dataIn, int widthOut, int heightOut, + int depthOut, int typeOut, ByteBuffer dataOut ) { + int components; + ShortBuffer beforeImage, afterImage; + PixelStorageModes psm = new PixelStorageModes(); + + if( widthIn == 0 || heightIn == 0 || depthIn == 0 || + widthOut == 0 || heightOut == 0 || depthOut == 0 ) { + return( 0 ); + } + + if( widthIn < 0 || heightIn < 0 || depthIn < 0 || + widthOut < 0 || heightOut < 0 || depthOut < 0 ) { + return( GLU.GLU_INVALID_VALUE ); + } + + if( !Mipmap.legalFormat(format) || !Mipmap.legalType(typeIn) || + !Mipmap.legalType(typeOut) || typeIn == GL2.GL_BITMAP || + typeOut == GL2.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } + + if( !Mipmap.isLegalFormatForPackedPixelType( format, typeIn ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + + if( !Mipmap.isLegalFormatForPackedPixelType( format, typeOut ) ) { + return( GLU.GLU_INVALID_OPERATION ); + } + + try { + beforeImage = ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, + heightIn, depthIn, format, GL2.GL_UNSIGNED_SHORT ) ).order( + ByteOrder.nativeOrder() ).asShortBuffer(); + afterImage = ByteBuffer.allocateDirect( Mipmap.imageSize3D( widthIn, + heightIn, depthIn, format, GL2.GL_UNSIGNED_SHORT ) ).order( + ByteOrder.nativeOrder() ).asShortBuffer(); + } catch( OutOfMemoryError err ) { + return( GLU.GLU_OUT_OF_MEMORY ); + } + Mipmap.retrieveStoreModes3D( gl, psm ); + + Image.fillImage3D( psm, widthIn, heightIn, depthIn, format, typeIn, + Mipmap.is_index( format ), dataIn, beforeImage ); + components = Mipmap.elements_per_group( format, 0 ); + ScaleInternal.scaleInternal3D( components, widthIn, heightIn, depthIn, + beforeImage, widthOut, heightOut, depthOut, afterImage ); + Image.emptyImage3D( psm, widthOut, heightOut, depthOut, format, typeOut, + Mipmap.is_index( format ), afterImage, dataOut ); + + return( 0 ); + } +} diff --git a/src/classes/com/sun/opengl/impl/glu/mipmap/Type_Widget.java b/src/classes/com/sun/opengl/impl/glu/mipmap/Type_Widget.java new file mode 100644 index 000000000..7f6ab08c0 --- /dev/null +++ b/src/classes/com/sun/opengl/impl/glu/mipmap/Type_Widget.java @@ -0,0 +1,224 @@ +/* + * License Applicability. Except to the extent portions of this file are + * made subject to an alternative license as permitted in the SGI Free + * Software License B, Version 1.1 (the "License"), the contents of this + * file are subject only to the provisions of the License. You may not use + * this file except in compliance with the License. You may obtain a copy + * of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 + * Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: + * + * http://oss.sgi.com/projects/FreeB + * + * Note that, as provided in the License, the Software is distributed on an + * "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS + * DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND + * CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A + * PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * + * NOTE: The Original Code (as defined below) has been licensed to Sun + * Microsystems, Inc. ("Sun") under the SGI Free Software License B + * (Version 1.1), shown above ("SGI License"). Pursuant to Section + * 3.2(3) of the SGI License, Sun is distributing the Covered Code to + * you under an alternative license ("Alternative License"). This + * Alternative License includes all of the provisions of the SGI License + * except that Section 2.2 and 11 are omitted. Any differences between + * the Alternative License and the SGI License are offered solely by Sun + * and not by SGI. + * + * Original Code. The Original Code is: OpenGL Sample Implementation, + * Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, + * Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. + * Copyright in any portions created by third parties is as indicated + * elsewhere herein. All Rights Reserved. + * + * Additional Notice Provisions: The application programming interfaces + * established by SGI in conjunction with the Original Code are The + * OpenGL(R) Graphics System: A Specification (Version 1.2.1), released + * April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version + * 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X + * Window System(R) (Version 1.3), released October 19, 1998. This software + * was created using the OpenGL(R) version 1.2.1 Sample Implementation + * published by SGI, but has not been independently verified as being + * compliant with the OpenGL(R) version 1.2.1 Specification. + */ + +package com.sun.opengl.impl.glu.mipmap; + +import java.nio.*; + +/** + * + * @author Administrator + */ +public class Type_Widget { + + ByteBuffer buffer; + + /** Creates a new instance of Type_Widget */ + public Type_Widget() { + buffer = ByteBuffer.allocate( 4 ); + } + + public void setUB0( byte b ) { + buffer.position( 0 ); + buffer.put( b ); + } + + public byte getUB0() { + buffer.position( 0 ); + return( buffer.get() ); + } + + public void setUB1( byte b ) { + buffer.position( 1 ); + buffer.put( b ); + } + + public byte getUB1() { + buffer.position( 1 ); + return( buffer.get() ); + } + + public void setUB2( byte b ) { + buffer.position( 2 ); + buffer.put( b ); + } + + public byte getUB2() { + buffer.position( 2 ); + return( buffer.get() ); + } + + public void setUB3( byte b ) { + buffer.position( 3 ); + buffer.put( b ); + } + + public byte getUB3() { + buffer.position( 3 ); + return( buffer.get() ); + } + + public void setUS0( short s ) { + buffer.position( 0 ); + buffer.putShort( s ); + } + + public short getUS0() { + buffer.position( 0 ); + return( buffer.getShort() ); + } + + public void setUS1( short s ) { + buffer.position( 2 ); + buffer.putShort( s ); + } + + public short getUS1() { + buffer.position( 2 ); + return( buffer.getShort() ); + } + + public void setUI( int i ) { + buffer.position( 0 ); + buffer.putInt( i ); + } + + public int getUI() { + buffer.position( 0 ); + return( buffer.getInt() ); + } + + public void setB0( byte b ) { + buffer.position( 0 ); + buffer.put( b ); + } + + public byte getB0() { + buffer.position( 0 ); + return( buffer.get() ); + } + + public void setB1( byte b ) { + buffer.position( 1 ); + buffer.put( b ); + } + + public byte getB1() { + buffer.position( 1 ); + return( buffer.get() ); + } + + public void setB2( byte b ) { + buffer.position( 2 ); + buffer.put( b ); + } + + public byte getB2() { + buffer.position( 2 ); + return( buffer.get() ); + } + + public void setB3( byte b ) { + buffer.position( 3 ); + buffer.put( b ); + } + + public byte getB3() { + buffer.position( 3 ); + return( buffer.get() ); + } + + public void setS0( short s ) { + buffer.position( 0 ); + buffer.putShort( s ); + } + + public short getS0() { + buffer.position( 0 ); + return( buffer.getShort() ); + } + + public void setS1( short s ) { + buffer.position( 2 ); + buffer.putShort( s ); + } + + public short getS1() { + buffer.position( 2 ); + return( buffer.getShort() ); + } + + public void setI( int i ) { + buffer.position( 0 ); + buffer.putInt( i ); + } + + public int getI() { + buffer.position( 0 ); + return( buffer.getInt() ); + } + + public void setF( float f ) { + buffer.position( 0 ); + buffer.putFloat( f ); + } + + public float getF() { + buffer.position( 0 ); + return( buffer.getFloat() ); + } + + public ByteBuffer getBuffer() { + buffer.rewind(); + return( buffer ); + } + + public static void main( String args[] ) { + Type_Widget t = new Type_Widget(); + t.setI( 1000000 ); + + System.out.println("int: " + Integer.toHexString( t.getI() ) ); + + } +} |