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 import com.sun.prism.impl.ManagedResource; 34 35 /** 36 * The PresentingPainter is used when we are rendering to the main screen. 37 * UploadingPainter is used when we need to render into an offscreen buffer. 38 */ 39 final class PresentingPainter extends ViewPainter { 40 41 PresentingPainter(ViewScene view) { 42 super(view); 43 } 44 45 @Override public void run() { 46 renderLock.lock(); 47 48 boolean locked = false; 49 boolean valid = false; 50 boolean errored = false; 51 52 try { 53 valid = validateStageGraphics(); 54 if (!valid) { 55 if (QuantumToolkit.verbose) { 56 System.err.println("PresentingPainter: validateStageGraphics failed"); 57 } 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 } 84 85 if (presentable != null) { 86 Graphics g = presentable.createGraphics(); 87 88 ViewScene vs = (ViewScene) sceneState.getScene(); 89 if (g != null) { 90 paintImpl(g); 91 } 92 93 if (PULSE_LOGGING_ENABLED) PulseLogger.newPhase("Presenting"); 94 if (!presentable.prepare(null)) { 95 disposePresentable(); 96 sceneState.getScene().entireSceneNeedsRepaint(); 97 return; 98 } 99 100 /* present for vsync buffer swap */ 101 if (vs.getDoPresent()) { 102 if (!presentable.present()) { 103 disposePresentable(); 104 sceneState.getScene().entireSceneNeedsRepaint(); 105 } 106 } 107 } 108 } catch (Throwable th) { 109 errored = true; 110 th.printStackTrace(System.err); 111 } finally { 112 if (valid) { 113 Disposer.cleanUp(); 114 } 115 if (locked) { 116 sceneState.unlock(); 117 } 118 119 ViewScene viewScene = (ViewScene)sceneState.getScene(); 120 viewScene.setPainting(false); 121 122 ManagedResource.freeDisposalRequestedAndCheckResources(errored); 123 124 renderLock.unlock(); 125 } 126 } 127 }