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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 | } | ||