diff options
Diffstat (limited to 'src/windows/classes/sun/java2d/d3d/D3DBufImgOps.java')
-rw-r--r-- | src/windows/classes/sun/java2d/d3d/D3DBufImgOps.java | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/src/windows/classes/sun/java2d/d3d/D3DBufImgOps.java b/src/windows/classes/sun/java2d/d3d/D3DBufImgOps.java new file mode 100644 index 000000000..2906272b8 --- /dev/null +++ b/src/windows/classes/sun/java2d/d3d/D3DBufImgOps.java @@ -0,0 +1,116 @@ +/* + * Copyright 2007-2008 Sun Microsystems, Inc. All Rights Reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Sun designates this + * particular file as subject to the "Classpath" exception as provided + * by Sun in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, + * CA 95054 USA or visit www.sun.com if you need additional information or + * have any questions. + */ + +package sun.java2d.d3d; + +import java.awt.image.AffineTransformOp; +import java.awt.image.BufferedImage; +import java.awt.image.BufferedImageOp; +import java.awt.image.ConvolveOp; +import java.awt.image.LookupOp; +import java.awt.image.RescaleOp; +import sun.java2d.SunGraphics2D; +import sun.java2d.SurfaceData; +import sun.java2d.loops.CompositeType; +import sun.java2d.pipe.BufferedBufImgOps; +import static sun.java2d.d3d.D3DContext.D3DContextCaps.*; + +class D3DBufImgOps extends BufferedBufImgOps { + + /** + * This method is called from D3DDrawImage.transformImage() only. It + * validates the provided BufferedImageOp to determine whether the op + * is one that can be accelerated by the D3D pipeline. If the operation + * cannot be completed for any reason, this method returns false; + * otherwise, the given BufferedImage is rendered to the destination + * using the provided BufferedImageOp and this method returns true. + */ + static boolean renderImageWithOp(SunGraphics2D sg, BufferedImage img, + BufferedImageOp biop, int x, int y) + { + // Validate the provided BufferedImage (make sure it is one that + // is supported, and that its properties are acceleratable) + if (biop instanceof ConvolveOp) { + if (!isConvolveOpValid((ConvolveOp)biop)) { + return false; + } + } else if (biop instanceof RescaleOp) { + if (!isRescaleOpValid((RescaleOp)biop, img)) { + return false; + } + } else if (biop instanceof LookupOp) { + if (!isLookupOpValid((LookupOp)biop, img)) { + return false; + } + } else { + // No acceleration for other BufferedImageOps (yet) + return false; + } + + SurfaceData dstData = sg.surfaceData; + if (!(dstData instanceof D3DSurfaceData) || + (sg.interpolationType == AffineTransformOp.TYPE_BICUBIC) || + (sg.compositeState > SunGraphics2D.COMP_ALPHA)) + { + return false; + } + + SurfaceData srcData = + dstData.getSourceSurfaceData(img, sg.TRANSFORM_ISIDENT, + CompositeType.SrcOver, null); + if (!(srcData instanceof D3DSurfaceData)) { + // REMIND: this hack tries to ensure that we have a cached texture + srcData = + dstData.getSourceSurfaceData(img, sg.TRANSFORM_ISIDENT, + CompositeType.SrcOver, null); + if (!(srcData instanceof D3DSurfaceData)) { + return false; + } + } + + // Verify that the source surface is actually a texture and that + // shaders are supported + D3DSurfaceData d3dSrc = (D3DSurfaceData)srcData; + D3DGraphicsDevice gd = + (D3DGraphicsDevice)d3dSrc.getDeviceConfiguration().getDevice(); + if (d3dSrc.getType() != D3DSurfaceData.TEXTURE || + !gd.isCapPresent(CAPS_LCD_SHADER)) + { + return false; + } + + int sw = img.getWidth(); + int sh = img.getHeight(); + D3DBlitLoops.IsoBlit(srcData, dstData, + img, biop, + sg.composite, sg.getCompClip(), + sg.transform, sg.interpolationType, + 0, 0, sw, sh, + x, y, x+sw, y+sh, + true); + + return true; + } +} |