diff options
Diffstat (limited to 'src/classes/com/sun/opengl/impl/mipmap/Mipmap.java')
| -rw-r--r-- | src/classes/com/sun/opengl/impl/mipmap/Mipmap.java | 857 |
1 files changed, 0 insertions, 857 deletions
diff --git a/src/classes/com/sun/opengl/impl/mipmap/Mipmap.java b/src/classes/com/sun/opengl/impl/mipmap/Mipmap.java deleted file mode 100644 index 3484950f6..000000000 --- a/src/classes/com/sun/opengl/impl/mipmap/Mipmap.java +++ /dev/null @@ -1,857 +0,0 @@ -/* - * 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.mipmap; - -import javax.media.opengl.GL; -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 == GL.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( GL.GL_COLOR_INDEX ): - case( GL.GL_STENCIL_INDEX ): - case( GL.GL_DEPTH_COMPONENT ): - case( GL.GL_RED ): - case( GL.GL_GREEN ): - case( GL.GL_BLUE ): - case( GL.GL_ALPHA ): - case( GL.GL_RGB ): - case( GL.GL_RGBA ): - case( GL.GL_LUMINANCE ): - case( GL.GL_LUMINANCE_ALPHA ): - case( GL.GL_BGR ): - case( GL.GL_BGRA ): - return( true ); - default: - return( false ); - } - } - - public static boolean legalType( int type ) { - switch( type ) { - case( GL.GL_BITMAP ): - case( GL.GL_BYTE ): - case( GL.GL_UNSIGNED_BYTE ): - case( GL.GL_SHORT ): - case( GL.GL_UNSIGNED_SHORT ): - case( GL.GL_INT ): - case( GL.GL_UNSIGNED_INT ): - case( GL.GL_FLOAT ): - case( GL.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL.GL_UNSIGNED_BYTE_2_3_3_REV ): - case( GL.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - case( GL.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL.GL_UNSIGNED_INT_2_10_10_10_REV ): - return( true ); - default: - return( false ); - } - } - - public static boolean isTypePackedPixel( int type ) { - assert( legalType( type ) ); - - if( type == GL.GL_UNSIGNED_BYTE_3_3_2 || - type == GL.GL_UNSIGNED_BYTE_2_3_3_REV || - type == GL.GL_UNSIGNED_SHORT_5_6_5 || - type == GL.GL_UNSIGNED_SHORT_5_6_5_REV || - type == GL.GL_UNSIGNED_SHORT_4_4_4_4 || - type == GL.GL_UNSIGNED_SHORT_4_4_4_4_REV || - type == GL.GL_UNSIGNED_SHORT_5_5_5_1 || - type == GL.GL_UNSIGNED_SHORT_1_5_5_5_REV || - type == GL.GL_UNSIGNED_INT_8_8_8_8 || - type == GL.GL_UNSIGNED_INT_8_8_8_8_REV || - type == GL.GL_UNSIGNED_INT_10_10_10_2 || - type == GL.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 == GL.GL_UNSIGNED_BYTE_3_3_2 || type == GL.GL_UNSIGNED_BYTE_2_3_3_REV || - type == GL.GL_UNSIGNED_SHORT_5_6_5 || type == GL.GL_UNSIGNED_SHORT_5_6_5_REV ) - & format != GL.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 == GL.GL_UNSIGNED_SHORT_4_4_4_4 || - type == GL.GL_UNSIGNED_SHORT_4_4_4_4_REV || - type == GL.GL_UNSIGNED_SHORT_5_5_5_1 || - type == GL.GL_UNSIGNED_SHORT_1_5_5_5_REV || - type == GL.GL_UNSIGNED_INT_8_8_8_8 || - type == GL.GL_UNSIGNED_INT_8_8_8_8_REV || - type == GL.GL_UNSIGNED_INT_10_10_10_2 || - type == GL.GL_UNSIGNED_INT_2_10_10_10_REV ) && - (format != GL.GL_RGBA && format != GL.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 == GL.GL_TEXTURE_2D || target == GL.GL_PROXY_TEXTURE_2D ) { - proxyTarget = GL.GL_PROXY_TEXTURE_2D; - gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, - heightAtLevelOne, 0, format, type, null ); - } else if( (target == GL.GL_TEXTURE_CUBE_MAP_POSITIVE_X) || - (target == GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_X) || - (target == GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Y) || - (target == GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Y) || - (target == GL.GL_TEXTURE_CUBE_MAP_POSITIVE_Z) || - (target == GL.GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) ) { - proxyTarget = GL.GL_PROXY_TEXTURE_CUBE_MAP; - gl.glTexImage2D( proxyTarget, 1, internalFormat, widthAtLevelOne, - heightAtLevelOne, 0, format, type, null ); - } else { - assert( target == GL.GL_TEXTURE_1D || target == GL.GL_PROXY_TEXTURE_1D ); - proxyTarget = GL.GL_PROXY_TEXTURE_1D; - gl.glTexImage1D( proxyTarget, 1, internalFormat, widthAtLevelOne, - 0, format, type, null ); - } - gl.glGetTexLevelParameteriv( proxyTarget, 1, GL.GL_TEXTURE_WIDTH, proxyWidth, 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( GL.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 == GL.GL_TEXTURE_3D || target == GL.GL_PROXY_TEXTURE_3D ) { - proxyTarget = GL.GL_PROXY_TEXTURE_3D; - gl.glTexImage3D( proxyTarget, 1, internalFormat, widthAtLevelOne, - heightAtLevelOne, depthAtLevelOne, 0, format, type, null ); - } - gl.glGetTexLevelParameteriv( proxyTarget, 1, GL.GL_TEXTURE_WIDTH, proxyWidth, 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 == GL.GL_UNSIGNED_BYTE_3_3_2 || - type == GL.GL_UNSIGNED_BYTE_2_3_3_REV || - type == GL.GL_UNSIGNED_SHORT_5_6_5 || - type == GL.GL_UNSIGNED_SHORT_5_6_5_REV || - type == GL.GL_UNSIGNED_SHORT_4_4_4_4 || - type == GL.GL_UNSIGNED_SHORT_4_4_4_4_REV || - type == GL.GL_UNSIGNED_SHORT_5_5_5_1 || - type == GL.GL_UNSIGNED_SHORT_1_5_5_5_REV || - type == GL.GL_UNSIGNED_INT_8_8_8_8 || - type == GL.GL_UNSIGNED_INT_8_8_8_8_REV || - type == GL.GL_UNSIGNED_INT_10_10_10_2 || - type == GL.GL_UNSIGNED_INT_2_10_10_10_REV ) { - return( 1 ); - } - - // Types are not packed pixels so get elements per group - switch( format ) { - case( GL.GL_RGB ): - case( GL.GL_BGR ): - return( 3 ); - case( GL.GL_LUMINANCE_ALPHA ): - return( 2 ); - case( GL.GL_RGBA ): - case( GL.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( GL.GL_BITMAP ): - case( GL.GL_BYTE ): - case( GL.GL_UNSIGNED_BYTE ): - case( GL.GL_UNSIGNED_BYTE_3_3_2 ): - case( GL.GL_UNSIGNED_BYTE_2_3_3_REV ): - return( 1 ); - case( GL.GL_SHORT ): - case( GL.GL_UNSIGNED_SHORT ): - case( GL.GL_UNSIGNED_SHORT_5_6_5 ): - case( GL.GL_UNSIGNED_SHORT_5_6_5_REV ): - case( GL.GL_UNSIGNED_SHORT_4_4_4_4 ): - case( GL.GL_UNSIGNED_SHORT_4_4_4_4_REV ): - case( GL.GL_UNSIGNED_SHORT_5_5_5_1 ): - case( GL.GL_UNSIGNED_SHORT_1_5_5_5_REV ): - return( 2 ); - case( GL.GL_INT ): - case( GL.GL_UNSIGNED_INT ): - case( GL.GL_UNSIGNED_INT_8_8_8_8 ): - case( GL.GL_UNSIGNED_INT_8_8_8_8_REV ): - case( GL.GL_UNSIGNED_INT_10_10_10_2 ): - case( GL.GL_UNSIGNED_INT_2_10_10_10_REV ): - case( GL.GL_FLOAT ): - return( 4 ); - default: - return( 4 ); - } - } - - public static boolean is_index( int format ) { - return( format == GL.GL_COLOR_INDEX || format == GL.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 == GL.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 != GL.GL_BITMAP ); - - return( bytes_per_row * height * depth * components ); - } - - public static void retrieveStoreModes( GL gl, PixelStorageModes psm ) { - int[] a = new int[1]; - gl.glGetIntegerv( GL.GL_UNPACK_ALIGNMENT, a, 0); - psm.setUnpackAlignment( a[0] ); - gl.glGetIntegerv( GL.GL_UNPACK_ROW_LENGTH, a, 0); - psm.setUnpackRowLength( a[0] ); - gl.glGetIntegerv( GL.GL_UNPACK_SKIP_ROWS, a, 0); - psm.setUnpackSkipRows( a[0] ); - gl.glGetIntegerv( GL.GL_UNPACK_SKIP_PIXELS, a, 0); - psm.setUnpackSkipPixels( a[0] ); - gl.glGetIntegerv( GL.GL_UNPACK_LSB_FIRST, a, 0); - psm.setUnpackLsbFirst( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL.GL_UNPACK_SWAP_BYTES, a, 0); - psm.setUnpackSwapBytes( ( a[0] == 1 ) ); - - gl.glGetIntegerv( GL.GL_PACK_ALIGNMENT, a, 0); - psm.setPackAlignment( a[0] ); - gl.glGetIntegerv( GL.GL_PACK_ROW_LENGTH, a, 0); - psm.setPackRowLength( a[0] ); - gl.glGetIntegerv( GL.GL_PACK_SKIP_ROWS, a, 0); - psm.setPackSkipRows( a[0] ); - gl.glGetIntegerv( GL.GL_PACK_SKIP_PIXELS, a, 0); - psm.setPackSkipPixels( a[0] ); - gl.glGetIntegerv( GL.GL_PACK_LSB_FIRST, a, 0); - psm.setPackLsbFirst( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL.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( GL.GL_UNPACK_ALIGNMENT, a, 0); - psm.setUnpackAlignment( a[0] ); - gl.glGetIntegerv( GL.GL_UNPACK_ROW_LENGTH, a, 0); - psm.setUnpackRowLength( a[0] ); - gl.glGetIntegerv( GL.GL_UNPACK_SKIP_ROWS, a, 0); - psm.setUnpackSkipRows( a[0] ); - gl.glGetIntegerv( GL.GL_UNPACK_SKIP_PIXELS, a, 0); - psm.setUnpackSkipPixels( a[0] ); - gl.glGetIntegerv( GL.GL_UNPACK_LSB_FIRST, a, 0); - psm.setUnpackLsbFirst( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL.GL_UNPACK_SWAP_BYTES, a, 0); - psm.setUnpackSwapBytes( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL.GL_UNPACK_SKIP_IMAGES, a, 0); - psm.setUnpackSkipImages( a[0] ); - gl.glGetIntegerv( GL.GL_UNPACK_IMAGE_HEIGHT, a, 0); - psm.setUnpackImageHeight( a[0] ); - - gl.glGetIntegerv( GL.GL_PACK_ALIGNMENT, a, 0); - psm.setPackAlignment( a[0] ); - gl.glGetIntegerv( GL.GL_PACK_ROW_LENGTH, a, 0); - psm.setPackRowLength( a[0] ); - gl.glGetIntegerv( GL.GL_PACK_SKIP_ROWS, a, 0); - psm.setPackSkipRows( a[0] ); - gl.glGetIntegerv( GL.GL_PACK_SKIP_PIXELS, a, 0 ); - psm.setPackSkipPixels( a[0] ); - gl.glGetIntegerv( GL.GL_PACK_LSB_FIRST, a, 0 ); - psm.setPackLsbFirst( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL.GL_PACK_SWAP_BYTES, a, 0 ); - psm.setPackSwapBytes( ( a[0] == 1 ) ); - gl.glGetIntegerv( GL.GL_PACK_SKIP_IMAGES, a, 0 ); - psm.setPackSkipImages( a[0] ); - gl.glGetIntegerv( GL.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, GL.GL_UNSIGNED_SHORT ) ).order( ByteOrder.nativeOrder() ); - afterimage = ByteBuffer.allocateDirect( image_size( widthout, heightout, format, GL.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 == GL.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 == GL.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); - } - } -} |