diff options
Diffstat (limited to 'src/classes/com/sun/opengl/impl/mipmap')
| -rw-r--r-- | src/classes/com/sun/opengl/impl/mipmap/Mipmap.java | 287 |
1 files changed, 166 insertions, 121 deletions
diff --git a/src/classes/com/sun/opengl/impl/mipmap/Mipmap.java b/src/classes/com/sun/opengl/impl/mipmap/Mipmap.java index 2b4a30edc..e18adaa75 100644 --- a/src/classes/com/sun/opengl/impl/mipmap/Mipmap.java +++ b/src/classes/com/sun/opengl/impl/mipmap/Mipmap.java @@ -530,92 +530,114 @@ public class Mipmap { 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 components; - ByteBuffer beforeimage; - ByteBuffer afterimage; - PixelStorageModes psm = new PixelStorageModes(); + 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 ); - } + 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 ); + 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 ); + 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 levels; + int dataPos = data.position(); + try { + + int levels; - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } - if( width < 1 ) { - return( GLU.GLU_INVALID_VALUE ); - } + if( width < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } - levels = computeLog( width ); + levels = computeLog( width ); - levels += userLevel; - if( !isLegalLevels( userLevel, baseLevel, maxLevel, levels ) ) { - return( GLU.GLU_INVALID_VALUE ); - } + 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 ) ); + 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[] widthPowerOf2 = new int[1]; - int levels; - int[] dummy = new int[1]; - - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } + 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 ); - } + if( width < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } - closestFit( gl, target, width, 1, internalFormat, format, type, widthPowerOf2, dummy ); - levels = computeLog( widthPowerOf2[0] ); + 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 ) ); + 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 ); @@ -642,6 +664,7 @@ public class Mipmap { 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); @@ -663,14 +686,20 @@ public class Mipmap { fb.put( array ); } - return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, - width, height, width, height, format, type, userLevel, baseLevel, - maxLevel, buffer ) ); + 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; @@ -697,6 +726,7 @@ public class Mipmap { 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); @@ -718,85 +748,100 @@ public class Mipmap { fb.put( array ); } - return( BuildMipmap.gluBuild2DMipmapLevelsCore( gl, target, internalFormat, - width, height, widthPowerOf2[0], heightPowerOf2[0], format, type, 0, - 0, levels, buffer ) ); + 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[] widthPowerOf2 = new int[1]; - int[] heightPowerOf2 = new int[1]; - int[] depthPowerOf2 = new int[1]; - int level, levels; + 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 ); + } - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } + if( width < 1 || height < 1 || depth < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } - if( width < 1 || height < 1 || depth < 1 ) { - return( GLU.GLU_INVALID_VALUE ); - } + if( type == GL.GL_BITMAP ) { + return( GLU.GLU_INVALID_ENUM ); + } - if( type == GL.GL_BITMAP ) { - return( GLU.GLU_INVALID_ENUM ); - } + closestFit3D( gl, target, width, height, depth, internalFormat, format, + type, widthPowerOf2, heightPowerOf2, depthPowerOf2 ); - 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; + } - 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); } - - return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, - height, depth, widthPowerOf2[0], heightPowerOf2[0], depthPowerOf2[0], - format, type, 0, 0, levels, data ) ); } 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 level, levels; + int dataPos = data.position(); + try { + int level, levels; - int rc = checkMipmapArgs( internalFormat, format, type ); - if( rc != 0 ) { - return( rc ); - } + int rc = checkMipmapArgs( internalFormat, format, type ); + if( rc != 0 ) { + return( rc ); + } - if( width < 1 || height < 1 || depth < 1 ) { - return( GLU.GLU_INVALID_VALUE ); - } + if( width < 1 || height < 1 || depth < 1 ) { + return( GLU.GLU_INVALID_VALUE ); + } - if( type == GL.GL_BITMAP ) { - return( GLU.GLU_INVALID_ENUM ); - } + 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 = 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 ); - } + 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 ) ); + return( BuildMipmap.gluBuild3DMipmapLevelsCore( gl, target, internalFormat, width, + height, depth, width, height, depth, format, type, userLevel, + baseLevel, maxLevel, data ) ); + } finally { + data.position(dataPos); + } } } |