1 /* 2 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package sun.java2d.metal; 27 28 import sun.java2d.SunGraphics2D; 29 import sun.java2d.SurfaceData; 30 import sun.java2d.loops.CompositeType; 31 import sun.java2d.pipe.BufferedBufImgOps; 32 33 import java.awt.image.*; 34 35 import static sun.java2d.metal.MTLContext.MTLContextCaps.CAPS_EXT_BIOP_SHADER; 36 37 class MTLBufImgOps extends BufferedBufImgOps { 38 39 /** 40 * This method is called from MTLDrawImage.transformImage() only. It 41 * validates the provided BufferedImageOp to determine whether the op 42 * is one that can be accelerated by the MTL pipeline. If the operation 43 * cannot be completed for any reason, this method returns false; 44 * otherwise, the given BufferedImage is rendered to the destination 45 * using the provided BufferedImageOp and this method returns true. 46 */ 47 static boolean renderImageWithOp(SunGraphics2D sg, BufferedImage img, 48 BufferedImageOp biop, int x, int y) 49 { 50 // Validate the provided BufferedImage (make sure it is one that 51 // is supported, and that its properties are acceleratable) 52 if (biop instanceof ConvolveOp) { 53 if (!isConvolveOpValid((ConvolveOp)biop)) { 54 return false; 55 } 56 } else if (biop instanceof RescaleOp) { 57 if (!isRescaleOpValid((RescaleOp)biop, img)) { 58 return false; 59 } 60 } else if (biop instanceof LookupOp) { 61 if (!isLookupOpValid((LookupOp)biop, img)) { 62 return false; 63 } 64 } else { 65 // No acceleration for other BufferedImageOps (yet) 66 return false; 67 } 68 69 SurfaceData dstData = sg.surfaceData; 70 if (!(dstData instanceof MTLSurfaceData) || 71 (sg.interpolationType == AffineTransformOp.TYPE_BICUBIC) || 72 (sg.compositeState > SunGraphics2D.COMP_ALPHA)) 73 { 74 return false; 75 } 76 77 SurfaceData srcData = 78 dstData.getSourceSurfaceData(img, SunGraphics2D.TRANSFORM_ISIDENT, 79 CompositeType.SrcOver, null); 80 if (!(srcData instanceof MTLSurfaceData)) { 81 // REMIND: this hack tries to ensure that we have a cached texture 82 srcData = 83 dstData.getSourceSurfaceData(img, SunGraphics2D.TRANSFORM_ISIDENT, 84 CompositeType.SrcOver, null); 85 if (!(srcData instanceof MTLSurfaceData)) { 86 return false; 87 } 88 } 89 90 // Verify that the source surface is actually a texture and 91 // that the operation is supported 92 MTLSurfaceData mtlSrc = (MTLSurfaceData)srcData; 93 MTLGraphicsConfig gc = mtlSrc.getMTLGraphicsConfig(); 94 if (mtlSrc.getType() != MTLSurfaceData.TEXTURE || 95 !gc.isCapPresent(CAPS_EXT_BIOP_SHADER)) 96 { 97 return false; 98 } 99 100 int sw = img.getWidth(); 101 int sh = img.getHeight(); 102 MTLBlitLoops.IsoBlit(srcData, dstData, 103 img, biop, 104 sg.composite, sg.getCompClip(), 105 sg.transform, sg.interpolationType, 106 0, 0, sw, sh, 107 x, y, x+sw, y+sh, 108 true); 109 110 return true; 111 } 112 }