author | jdv |
Fri, 21 Jun 2019 12:08:37 +0530 | |
branch | metal-prototype-branch |
changeset 57416 | e153174dba06 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.java2d.metal; |
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import sun.java2d.SunGraphics2D; |
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import sun.java2d.SurfaceData; |
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import sun.java2d.loops.CompositeType; |
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import sun.java2d.pipe.BufferedBufImgOps; |
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import java.awt.image.*; |
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import static sun.java2d.metal.MTLContext.MTLContextCaps.CAPS_EXT_BIOP_SHADER; |
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class MTLBufImgOps extends BufferedBufImgOps { |
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/** |
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* This method is called from MTLDrawImage.transformImage() only. It |
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* validates the provided BufferedImageOp to determine whether the op |
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* is one that can be accelerated by the MTL pipeline. If the operation |
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* cannot be completed for any reason, this method returns false; |
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* otherwise, the given BufferedImage is rendered to the destination |
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* using the provided BufferedImageOp and this method returns true. |
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*/ |
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static boolean renderImageWithOp(SunGraphics2D sg, BufferedImage img, |
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BufferedImageOp biop, int x, int y) |
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{ |
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// Validate the provided BufferedImage (make sure it is one that |
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// is supported, and that its properties are acceleratable) |
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if (biop instanceof ConvolveOp) { |
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if (!isConvolveOpValid((ConvolveOp)biop)) { |
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return false; |
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} |
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} else if (biop instanceof RescaleOp) { |
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if (!isRescaleOpValid((RescaleOp)biop, img)) { |
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return false; |
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} |
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} else if (biop instanceof LookupOp) { |
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if (!isLookupOpValid((LookupOp)biop, img)) { |
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return false; |
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} |
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} else { |
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// No acceleration for other BufferedImageOps (yet) |
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return false; |
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} |
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SurfaceData dstData = sg.surfaceData; |
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if (!(dstData instanceof MTLSurfaceData) || |
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(sg.interpolationType == AffineTransformOp.TYPE_BICUBIC) || |
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(sg.compositeState > SunGraphics2D.COMP_ALPHA)) |
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{ |
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return false; |
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} |
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SurfaceData srcData = |
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dstData.getSourceSurfaceData(img, SunGraphics2D.TRANSFORM_ISIDENT, |
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CompositeType.SrcOver, null); |
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if (!(srcData instanceof MTLSurfaceData)) { |
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// REMIND: this hack tries to ensure that we have a cached texture |
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srcData = |
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dstData.getSourceSurfaceData(img, SunGraphics2D.TRANSFORM_ISIDENT, |
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CompositeType.SrcOver, null); |
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if (!(srcData instanceof MTLSurfaceData)) { |
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return false; |
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} |
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} |
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// Verify that the source surface is actually a texture and |
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// that the operation is supported |
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MTLSurfaceData mtlSrc = (MTLSurfaceData)srcData; |
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MTLGraphicsConfig gc = mtlSrc.getMTLGraphicsConfig(); |
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if (mtlSrc.getType() != MTLSurfaceData.TEXTURE || |
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!gc.isCapPresent(CAPS_EXT_BIOP_SHADER)) |
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{ |
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return false; |
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} |
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int sw = img.getWidth(); |
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int sh = img.getHeight(); |
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MTLBlitLoops.IsoBlit(srcData, dstData, |
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img, biop, |
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sg.composite, sg.getCompClip(), |
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sg.transform, sg.interpolationType, |
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0, 0, sw, sh, |
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x, y, x+sw, y+sh, |
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true); |
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return true; |
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} |
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} |