1 /* 2 * Copyright (c) 2011, 2014, 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.javafx.tk.quantum; 27 28 import com.sun.javafx.logging.PulseLogger; 29 import static com.sun.javafx.logging.PulseLogger.PULSE_LOGGING_ENABLED; 30 import com.sun.prism.Graphics; 31 import com.sun.prism.GraphicsPipeline; 32 import com.sun.prism.impl.Disposer; 33 34 /** 35 * The PresentingPainter is used when we are rendering to the main screen. 36 * UploadingPainter is used when we need to render into an offscreen buffer. 37 */ 38 final class PresentingPainter extends ViewPainter { 39 40 PresentingPainter(ViewScene view) { 41 super(view); 42 } 43 44 @Override public void run() { 45 renderLock.lock(); 46 47 boolean locked = false; 48 boolean valid = false; 49 boolean errored = false; 50 51 try { 52 valid = validateStageGraphics(); 53 if (!valid) { 54 if (QuantumToolkit.verbose) { 55 System.err.println("PresentingPainter: validateStageGraphics failed"); 56 } 57 paintImpl(null); 58 return; 59 } 60 61 /* 62 * As Glass is responsible for creating the rendering contexts, 63 * locking should be done prior to the Prism calls. 64 */ 65 sceneState.lock(); 66 locked = true; 67 68 if (factory == null) { 69 factory = GraphicsPipeline.getDefaultResourceFactory(); 70 } 71 if (factory == null || !factory.isDeviceReady()) { 72 sceneState.getScene().entireSceneNeedsRepaint(); 73 return; 74 } 75 76 if (presentable != null && presentable.lockResources(sceneState)) { 77 disposePresentable(); 78 } 79 if (presentable == null) { 80 presentable = factory.createPresentable(sceneState); 81 penWidth = viewWidth; 82 penHeight = viewHeight; 83 freshBackBuffer = true; 84 } 85 86 if (presentable != null) { 87 Graphics g = presentable.createGraphics(); 88 89 ViewScene vs = (ViewScene) sceneState.getScene(); 90 if (g != null) { 91 paintImpl(g); 92 freshBackBuffer = false; 93 } 94 95 if (PULSE_LOGGING_ENABLED) { 96 PulseLogger.newPhase("Presenting"); 97 } 98 if (!presentable.prepare(null)) { 99 disposePresentable(); 100 sceneState.getScene().entireSceneNeedsRepaint(); 101 return; 102 } 103 104 /* present for vsync buffer swap */ 105 if (vs.getDoPresent()) { 106 if (!presentable.present()) { 107 disposePresentable(); 108 sceneState.getScene().entireSceneNeedsRepaint(); 109 } 110 } 111 } 112 } catch (Throwable th) { 113 errored = true; 114 th.printStackTrace(System.err); 115 } finally { 116 Disposer.cleanUp(); 117 118 if (locked) { 119 sceneState.unlock(); 120 } 121 122 ViewScene viewScene = (ViewScene)sceneState.getScene(); 123 viewScene.setPainting(false); 124 125 factory.getTextureResourcePool().freeDisposalRequestedAndCheckResources(errored); 126 127 renderLock.unlock(); 128 } 129 } 130 }