diff options
Diffstat (limited to 'make/config/jogl/gl-impl-CustomJavaCode-desktop.java')
| -rw-r--r-- | make/config/jogl/gl-impl-CustomJavaCode-desktop.java | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/make/config/jogl/gl-impl-CustomJavaCode-desktop.java b/make/config/jogl/gl-impl-CustomJavaCode-desktop.java new file mode 100644 index 000000000..93a275269 --- /dev/null +++ b/make/config/jogl/gl-impl-CustomJavaCode-desktop.java @@ -0,0 +1,191 @@ + private int[] imageSizeTemp = new int[1]; + + /** Helper for more precise computation of number of bytes that will + be touched by a pixel pack or unpack operation. */ + private int imageSizeInBytes(int bytesPerElement, + int width, int height, int depth, boolean pack) { + int rowLength = 0; + int skipRows = 0; + int skipPixels = 0; + int alignment = 1; + int imageHeight = 0; + int skipImages = 0; + + if (pack) { + glGetIntegerv(GL_PACK_ROW_LENGTH, imageSizeTemp, 0); + rowLength = imageSizeTemp[0]; + glGetIntegerv(GL_PACK_SKIP_ROWS, imageSizeTemp, 0); + skipRows = imageSizeTemp[0]; + glGetIntegerv(GL_PACK_SKIP_PIXELS, imageSizeTemp, 0); + skipPixels = imageSizeTemp[0]; + glGetIntegerv(GL_PACK_ALIGNMENT, imageSizeTemp, 0); + alignment = imageSizeTemp[0]; + if (depth > 1) { + glGetIntegerv(GL_PACK_IMAGE_HEIGHT, imageSizeTemp, 0); + imageHeight = imageSizeTemp[0]; + glGetIntegerv(GL_PACK_SKIP_IMAGES, imageSizeTemp, 0); + skipImages = imageSizeTemp[0]; + } + } else { + glGetIntegerv(GL_UNPACK_ROW_LENGTH, imageSizeTemp, 0); + rowLength = imageSizeTemp[0]; + glGetIntegerv(GL_UNPACK_SKIP_ROWS, imageSizeTemp, 0); + skipRows = imageSizeTemp[0]; + glGetIntegerv(GL_UNPACK_SKIP_PIXELS, imageSizeTemp, 0); + skipPixels = imageSizeTemp[0]; + glGetIntegerv(GL_UNPACK_ALIGNMENT, imageSizeTemp, 0); + alignment = imageSizeTemp[0]; + if (depth > 1) { + glGetIntegerv(GL_UNPACK_IMAGE_HEIGHT, imageSizeTemp, 0); + imageHeight = imageSizeTemp[0]; + glGetIntegerv(GL_UNPACK_SKIP_IMAGES, imageSizeTemp, 0); + skipImages = imageSizeTemp[0]; + } + } + // Try to deal somewhat correctly with potentially invalid values + width = Math.max(0, width ); + height = Math.max(1, height); // min 1D + depth = Math.max(1, depth ); // min 1 * imageSize + skipRows = Math.max(0, skipRows); + skipPixels = Math.max(0, skipPixels); + alignment = Math.max(1, alignment); + skipImages = Math.max(0, skipImages); + + imageHeight = ( imageHeight > 0 ) ? imageHeight : height; + rowLength = ( rowLength > 0 ) ? rowLength : width; + + int rowLengthInBytes = rowLength * bytesPerElement; + + if (alignment > 1) { + int padding = rowLengthInBytes % alignment; + if (padding > 0) { + rowLengthInBytes += alignment - padding; + } + } + + /** + * skipPixels and skipRows is a static one time offset. + * + * skipImages and depth are in multiples of image size. + * + * rowlenght is the actual repeating offset + * to go from line n to line n+1 at the same x-axis position. + */ + return + ( skipImages + depth - 1 ) * imageHeight * rowLengthInBytes + // whole images + ( skipRows + height - 1 ) * rowLengthInBytes + // lines with padding + ( skipPixels + width ) * bytesPerElement; // last line + } + + public final boolean isGL4bc() { + return _context.isGL4bc(); + } + + public final boolean isGL4() { + return _context.isGL4(); + } + + public final boolean isGL3bc() { + return _context.isGL3bc(); + } + + public final boolean isGL3() { + return _context.isGL3(); + } + + public final boolean isGL2() { + return _context.isGL2(); + } + + public final boolean isGL2ES1() { + return _context.isGL2ES1(); + } + + public final boolean isGL2ES2() { + return _context.isGL2ES2(); + } + + public final boolean isGL2GL3() { + return _context.isGL2GL3(); + } + + public final boolean hasGLSL() { + return _context.hasGLSL(); + } + + public final GL4bc getGL4bc() throws GLException { + if(!isGL4bc()) { + throw new GLException("Not a GL4bc implementation"); + } + return this; + } + + public final GL4 getGL4() throws GLException { + if(!isGL4bc()) { + throw new GLException("Not a GL4 implementation"); + } + return this; + } + + public final GL3bc getGL3bc() throws GLException { + if(!isGL3bc()) { + throw new GLException("Not a GL3bc implementation"); + } + return this; + } + + public final GL3 getGL3() throws GLException { + if(!isGL3()) { + throw new GLException("Not a GL3 implementation"); + } + return this; + } + + public final GL2 getGL2() throws GLException { + if(!isGL2()) { + throw new GLException("Not a GL2 implementation"); + } + return this; + } + + public final GL2ES1 getGL2ES1() throws GLException { + if(!isGL2ES1()) { + throw new GLException("Not a GL2ES1 implementation"); + } + return this; + } + + public final GL2ES2 getGL2ES2() throws GLException { + if(!isGL2ES2()) { + throw new GLException("Not a GL2ES2 implementation"); + } + return this; + } + + public final GL2GL3 getGL2GL3() throws GLException { + if(!isGL2GL3()) { + throw new GLException("Not a GL2GL3 implementation"); + } + return this; + } + + public final boolean isGLES1() { + return false; + } + + public final boolean isGLES2() { + return false; + } + + public final boolean isGLES() { + return false; + } + + public final GLES1 getGLES1() throws GLException { + throw new GLException("Not a GLES1 implementation"); + } + + public final GLES2 getGLES2() throws GLException { + throw new GLException("Not a GLES2 implementation"); + } + |