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1 /* |
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2 * Copyright 2007 Sun Microsystems, Inc. All Rights Reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. Sun designates this |
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8 * particular file as subject to the "Classpath" exception as provided |
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9 * by Sun in the LICENSE file that accompanied this code. |
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10 * |
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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22 * CA 95054 USA or visit www.sun.com if you need additional information or |
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23 * have any questions. |
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24 */ |
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25 |
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26 package sun.java2d.opengl; |
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27 |
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28 import java.awt.Color; |
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29 import java.awt.Transparency; |
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30 |
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31 import sun.java2d.SurfaceData; |
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32 import sun.java2d.SurfaceDataProxy; |
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33 import sun.java2d.loops.SurfaceType; |
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34 import sun.java2d.loops.CompositeType; |
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35 |
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36 /** |
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37 * The proxy class contains the logic for when to replace a |
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38 * SurfaceData with a cached OGL Texture and the code to create |
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39 * the accelerated surfaces. |
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40 */ |
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41 public class OGLSurfaceDataProxy extends SurfaceDataProxy { |
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42 public static SurfaceDataProxy createProxy(SurfaceData srcData, |
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43 OGLGraphicsConfig dstConfig) |
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44 { |
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45 if (srcData instanceof OGLSurfaceData) { |
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46 // srcData must be a VolatileImage which either matches |
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47 // our pixel format or not - either way we do not cache it... |
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48 return UNCACHED; |
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49 } |
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50 |
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51 return new OGLSurfaceDataProxy(dstConfig, srcData.getTransparency()); |
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52 } |
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53 |
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54 OGLGraphicsConfig oglgc; |
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55 int transparency; |
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56 |
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57 public OGLSurfaceDataProxy(OGLGraphicsConfig oglgc, int transparency) { |
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58 this.oglgc = oglgc; |
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59 this.transparency = transparency; |
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60 } |
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61 |
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62 @Override |
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63 public SurfaceData validateSurfaceData(SurfaceData srcData, |
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64 SurfaceData cachedData, |
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65 int w, int h) |
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66 { |
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67 if (cachedData == null) { |
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68 cachedData = oglgc.createManagedSurface(w, h, transparency); |
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69 } |
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70 return cachedData; |
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71 } |
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72 |
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73 @Override |
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74 public boolean isSupportedOperation(SurfaceData srcData, |
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75 int txtype, |
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76 CompositeType comp, |
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77 Color bgColor) |
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78 { |
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79 return (bgColor == null || transparency == Transparency.OPAQUE); |
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80 } |
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81 } |