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| 1 | +/* | |
| 2 | + * Copyright (c) 2007, 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.opengl; | |
| 27 | + | |
| 28 | +import java.awt.Color; | |
| 29 | +import java.awt.Transparency; | |
| 30 | + | |
| 31 | +import sun.java2d.SurfaceData; | |
| 32 | +import sun.java2d.SurfaceDataProxy; | |
| 33 | +import sun.java2d.loops.SurfaceType; | |
| 34 | +import sun.java2d.loops.CompositeType; | |
| 35 | + | |
| 36 | +/** | |
| 37 | + * The proxy class contains the logic for when to replace a | |
| 38 | + * SurfaceData with a cached OGL Texture and the code to create | |
| 39 | + * the accelerated surfaces. | |
| 40 | + */ | |
| 41 | +public class OGLSurfaceDataProxy extends SurfaceDataProxy { | |
| 42 | + public static SurfaceDataProxy createProxy(SurfaceData srcData, | |
| 43 | + OGLGraphicsConfig dstConfig) | |
| 44 | + { | |
| 45 | + if (srcData instanceof OGLSurfaceData) { | |
| 46 | + // srcData must be a VolatileImage which either matches | |
| 47 | + // our pixel format or not - either way we do not cache it... | |
| 48 | + return UNCACHED; | |
| 49 | + } | |
| 50 | + | |
| 51 | + return new OGLSurfaceDataProxy(dstConfig, srcData.getTransparency()); | |
| 52 | + } | |
| 53 | + | |
| 54 | + OGLGraphicsConfig oglgc; | |
| 55 | + int transparency; | |
| 56 | + | |
| 57 | + public OGLSurfaceDataProxy(OGLGraphicsConfig oglgc, int transparency) { | |
| 58 | + this.oglgc = oglgc; | |
| 59 | + this.transparency = transparency; | |
| 60 | + } | |
| 61 | + | |
| 62 | + @Override | |
| 63 | + public SurfaceData validateSurfaceData(SurfaceData srcData, | |
| 64 | + SurfaceData cachedData, | |
| 65 | + int w, int h) | |
| 66 | + { | |
| 67 | + if (cachedData == null) { | |
| 68 | + cachedData = oglgc.createManagedSurface(w, h, transparency); | |
| 69 | + } | |
| 70 | + return cachedData; | |
| 71 | + } | |
| 72 | + | |
| 73 | + @Override | |
| 74 | + public boolean isSupportedOperation(SurfaceData srcData, | |
| 75 | + int txtype, | |
| 76 | + CompositeType comp, | |
| 77 | + Color bgColor) | |
| 78 | + { | |
| 79 | + return (bgColor == null || transparency == Transparency.OPAQUE); | |
| 80 | + } | |
| 81 | +} | |