| /* |
| * Copyright (c) 2007, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.java2d.opengl; |
| |
| import java.awt.Color; |
| import java.awt.Transparency; |
| |
| import sun.java2d.SurfaceData; |
| import sun.java2d.SurfaceDataProxy; |
| import sun.java2d.loops.SurfaceType; |
| import sun.java2d.loops.CompositeType; |
| |
| /** |
| * The proxy class contains the logic for when to replace a |
| * SurfaceData with a cached OGL Texture and the code to create |
| * the accelerated surfaces. |
| */ |
| public class OGLSurfaceDataProxy extends SurfaceDataProxy { |
| public static SurfaceDataProxy createProxy(SurfaceData srcData, |
| OGLGraphicsConfig dstConfig) |
| { |
| if (srcData instanceof OGLSurfaceData) { |
| // srcData must be a VolatileImage which either matches |
| // our pixel format or not - either way we do not cache it... |
| return UNCACHED; |
| } |
| |
| return new OGLSurfaceDataProxy(dstConfig, srcData.getTransparency()); |
| } |
| |
| OGLGraphicsConfig oglgc; |
| int transparency; |
| |
| public OGLSurfaceDataProxy(OGLGraphicsConfig oglgc, int transparency) { |
| this.oglgc = oglgc; |
| this.transparency = transparency; |
| } |
| |
| @Override |
| public SurfaceData validateSurfaceData(SurfaceData srcData, |
| SurfaceData cachedData, |
| int w, int h) |
| { |
| if (cachedData == null) { |
| try { |
| cachedData = oglgc.createManagedSurface(w, h, transparency); |
| } catch (OutOfMemoryError er) { |
| return null; |
| } |
| } |
| return cachedData; |
| } |
| |
| @Override |
| public boolean isSupportedOperation(SurfaceData srcData, |
| int txtype, |
| CompositeType comp, |
| Color bgColor) |
| { |
| return comp.isDerivedFrom(CompositeType.AnyAlpha) && |
| (bgColor == null || transparency == Transparency.OPAQUE); |
| } |
| } |