1 /* 2 * Copyright (c) 2009, 2013, 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 com.sun.scenario.effect.impl.prism.ps; 27 28 import com.sun.javafx.geom.Rectangle; 29 import com.sun.javafx.geom.transform.BaseTransform; 30 import com.sun.prism.ps.Shader; 31 import com.sun.scenario.effect.Effect; 32 import com.sun.scenario.effect.FilterContext; 33 import com.sun.scenario.effect.ImageData; 34 import com.sun.scenario.effect.impl.EffectPeer; 35 import com.sun.scenario.effect.impl.Renderer; 36 import com.sun.scenario.effect.impl.state.RenderState; 37 38 public abstract class PPSEffectPeer<T extends RenderState> extends EffectPeer<T> { 39 40 protected PPSEffectPeer(FilterContext fctx, Renderer r, String shaderName) { 41 super(fctx, r, shaderName); 42 } 43 44 @Override 45 public final ImageData filter(final Effect effect, 46 final T renderState, 47 final BaseTransform transform, 48 final Rectangle outputClip, 49 final ImageData... inputs) 50 { 51 setEffect(effect); 52 setRenderState(renderState); 53 setDestBounds(getResultBounds(transform, outputClip, inputs)); 54 return filterImpl(inputs); 55 } 56 57 abstract ImageData filterImpl(ImageData... inputs); 58 59 protected abstract boolean isSamplerLinear(int i); 60 61 protected abstract Shader createShader(); 62 63 protected abstract void updateShader(Shader shader); 64 65 /** 66 * Disposes resources associated with this peer. 67 * Warning: called from the rendering thread. 68 */ 69 @Override 70 public abstract void dispose(); 71 72 @Override 73 protected final PPSRenderer getRenderer() { 74 return (PPSRenderer)super.getRenderer(); 75 } 76 77 protected final String getShaderName() { 78 return getUniqueName(); 79 } 80 }