GLSurfaceView.java revision 8b2c9c9ecb08d25244fa97fb42c2c315ae3cf03d
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.opengl; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.Writer; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.concurrent.Semaphore; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.microedition.khronos.egl.EGL10; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.microedition.khronos.egl.EGL11; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.microedition.khronos.egl.EGLConfig; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.microedition.khronos.egl.EGLContext; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.microedition.khronos.egl.EGLDisplay; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.microedition.khronos.egl.EGLSurface; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.microedition.khronos.opengles.GL; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport javax.microedition.khronos.opengles.GL10; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.AttributeSet; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.SurfaceHolder; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.SurfaceView; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An implementation of SurfaceView that uses the dedicated surface for 40b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * displaying OpenGL rendering. 41b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 42b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * A GLSurfaceView provides the following features: 43b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 44b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <ul> 45b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>Manages a surface, which is a special piece of memory that can be 46b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * composited into the Android view system. 47b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>Manages an EGL display, which enables OpenGL to render into a surface. 48b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>Accepts a user-provided Renderer object that does the actual rendering. 49b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>Renders on a dedicated thread to decouple rendering performance from the 50b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * UI thread. 51b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>Supports both on-demand and continuous rendering. 52b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>Optionally wraps, traces, and/or error-checks the renderer's OpenGL calls. 53b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * </ul> 54b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 55b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h3>Using GLSurfaceView</h3> 56b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 57b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Typically you use GLSurfaceView by subclassing it and overriding one or more of the 58b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * View system input event methods. If your application does not need to override event 59b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * methods then GLSurfaceView can be used as-is. For the most part 60b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * GLSurfaceView behavior is customized by calling "set" methods rather than by subclassing. 61b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * For example, unlike a regular View, drawing is delegated to a separate Renderer object which 62b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * is registered with the GLSurfaceView 63b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * using the {@link #setRenderer(Renderer)} call. 64b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 65b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h3>Initializing GLSurfaceView</h3> 66b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * All you have to do to initialize a GLSurfaceView is call {@link #setRenderer(Renderer)}. 67b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * However, if desired, you can modify the default behavior of GLSurfaceView by calling one or 68b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * more of these methods before calling setRenderer: 69b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <ul> 70b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #setDebugFlags(int)} 71b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #setEGLConfigChooser(boolean)} 72b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #setEGLConfigChooser(EGLConfigChooser)} 73b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #setEGLConfigChooser(int, int, int, int, int, int)} 74b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #setGLWrapper(GLWrapper)} 75b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * </ul> 76b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 77b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h4>Choosing an EGL Configuration</h4> 78b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * A given Android device may support multiple possible types of drawing surfaces. 79b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * The available surfaces may differ in how may channels of data are present, as 80b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * well as how many bits are allocated to each channel. Therefore, the first thing 81b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * GLSurfaceView has to do when starting to render is choose what type of surface to use. 82b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 83b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * By default GLSurfaceView chooses an available surface that's closest to a 16-bit R5G6B5 surface 84b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * with a 16-bit depth buffer and no stencil. If you would prefer a different surface (for example, 85b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * if you do not need a depth buffer) you can override the default behavior by calling one of the 86b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * setEGLConfigChooser methods. 87b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 88b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h4>Debug Behavior</h4> 89b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * You can optionally modify the behavior of GLSurfaceView by calling 90b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * one or more of the debugging methods {@link #setDebugFlags(int)}, 91b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * and {@link #setGLWrapper}. These methods may be called before and/or after setRenderer, but 92b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * typically they are called before setRenderer so that they take effect immediately. 93b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 94b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h4>Setting a Renderer</h4> 95b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Finally, you must call {@link #setRenderer} to register a {@link Renderer}. 96b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * The renderer is 97b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * responsible for doing the actual OpenGL rendering. 98b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 99b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h3>Rendering Mode</h3> 100b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Once the renderer is set, you can control whether the renderer draws 101b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * continuously or on-demand by calling 102b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * {@link #setRenderMode}. The default is continuous rendering. 103b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 104b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h3>Activity Life-cycle</h3> 105b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * A GLSurfaceView must be notified when the activity is paused and resumed. GLSurfaceView clients 106b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * are required to call {@link #onPause()} when the activity pauses and 107b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * {@link #onResume()} when the activity resumes. These calls allow GLSurfaceView to 108b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * pause and resume the rendering thread, and also allow GLSurfaceView to release and recreate 109b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * the OpenGL display. 110b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 111b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h3>Handling events</h3> 112b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 113b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * To handle an event you will typically subclass GLSurfaceView and override the 114b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * appropriate method, just as you would with any other View. However, when handling 115b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * the event, you may need to communicate with the Renderer object 116b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * that's running in the rendering thread. You can do this using any 117b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * standard Java cross-thread communication mechanism. In addition, 118b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * one relatively easy way to communicate with your renderer is 119b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * to call 120b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * {@link #queueEvent(Runnable)}. For example: 121b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <pre class="prettyprint"> 122b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * class MyGLSurfaceView extends GLSurfaceView { 123b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 124b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * private MyRenderer mMyRenderer; 125b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 126b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * public void start() { 127b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * mMyRenderer = ...; 128b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * setRenderer(mMyRenderer); 129b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * } 130b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 131b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * public boolean onKeyDown(int keyCode, KeyEvent event) { 132b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * if (keyCode == KeyEvent.KEYCODE_DPAD_CENTER) { 133b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * queueEvent(new Runnable() { 134b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * // This method will be called on the rendering 135b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * // thread: 136b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * public void run() { 137b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * mMyRenderer.handleDpadCenter(); 138b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * }}); 139b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * return true; 140b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * } 141b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * return super.onKeyDown(keyCode, event); 142b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * } 143b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * } 144b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * </pre> 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class GLSurfaceView extends SurfaceView implements SurfaceHolder.Callback { 1488b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich private final static boolean LOG_THREADS = false; 149b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 150b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * The renderer only renders 151b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * when the surface is created, or when {@link #requestRender} is called. 152b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 153b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #getRenderMode() 154b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #setRenderMode(int) 155b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final static int RENDERMODE_WHEN_DIRTY = 0; 157b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 158b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * The renderer is called 159b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * continuously to re-render the scene. 160b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 161b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #getRenderMode() 162b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #setRenderMode(int) 163b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #requestRender() 164b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 1653e832dbe966c2ca0fde2f4bd87ad9c974a93a7cfJack Palevich public final static int RENDERMODE_CONTINUOUSLY = 1; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 168b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Check glError() after every GL call and throw an exception if glError indicates 169b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * that an error has occurred. This can be used to help track down which OpenGL ES call 170b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * is causing an error. 171b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 172b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #getDebugFlags 173b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #setDebugFlags 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final static int DEBUG_CHECK_GL_ERROR = 1; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Log GL calls to the system log at "verbose" level with tag "GLSurfaceView". 179b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 180b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #getDebugFlags 181b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #setDebugFlags 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final static int DEBUG_LOG_GL_CALLS = 2; 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 185b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 186b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Standard View constructor. In order to render something, you 187b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * must call {@link #setRenderer} to register a renderer. 188b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public GLSurfaceView(Context context) { 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context); 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project init(); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 194b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 195b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Standard View constructor. In order to render something, you 196b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * must call {@link #setRenderer} to register a renderer. 197b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public GLSurfaceView(Context context, AttributeSet attrs) { 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(context, attrs); 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project init(); 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void init() { 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Install a SurfaceHolder.Callback so we get notified when the 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // underlying surface is created and destroyed 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SurfaceHolder holder = getHolder(); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project holder.addCallback(this); 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 211b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Set the glWrapper. If the glWrapper is not null, its 212b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * {@link GLWrapper#wrap(GL)} method is called 213b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * whenever a surface is created. A GLWrapper can be used to wrap 214b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * the GL object that's passed to the renderer. Wrapping a GL 215b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * object enables examining and modifying the behavior of the 216b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * GL calls made by the renderer. 217b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 218b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Wrapping is typically used for debugging purposes. 219b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 220b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * The default value is null. 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param glWrapper the new GLWrapper 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setGLWrapper(GLWrapper glWrapper) { 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLWrapper = glWrapper; 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 228b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Set the debug flags to a new value. The value is 229b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * constructed by OR-together zero or more 230b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * of the DEBUG_CHECK_* constants. The debug flags take effect 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * whenever a surface is created. The default value is zero. 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param debugFlags the new debug flags 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #DEBUG_CHECK_GL_ERROR 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #DEBUG_LOG_GL_CALLS 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setDebugFlags(int debugFlags) { 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDebugFlags = debugFlags; 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 240b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 241b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Get the current value of the debug flags. 242b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @return the current value of the debug flags. 243b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getDebugFlags() { 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mDebugFlags; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 249b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Set the renderer associated with this view. Also starts the thread that 250b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * will call the renderer, which in turn causes the rendering to start. 251b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p>This method should be called once and only once in the life-cycle of 252b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * a GLSurfaceView. 253b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p>The following GLSurfaceView methods can only be called <em>before</em> 254b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * setRenderer is called: 255b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <ul> 256b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #setEGLConfigChooser(boolean)} 257b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #setEGLConfigChooser(EGLConfigChooser)} 258b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #setEGLConfigChooser(int, int, int, int, int, int)} 259b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * </ul> 260b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 261b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * The following GLSurfaceView methods can only be called <em>after</em> 262b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * setRenderer is called: 263b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <ul> 264b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #getRenderMode()} 265b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #onPause()} 266b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #onResume()} 267b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #queueEvent(Runnable)} 268b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #requestRender()} 269b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <li>{@link #setRenderMode(int)} 270b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * </ul> 271b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 272b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @param renderer the renderer to use to perform OpenGL drawing. 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setRenderer(Renderer renderer) { 27515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich checkRenderThreadState(); 276a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich if (mEGLConfigChooser == null) { 277a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mEGLConfigChooser = new SimpleEGLConfigChooser(true); 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 27915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (mEGLContextFactory == null) { 28015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEGLContextFactory = new DefaultContextFactory(); 28115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 28215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (mEGLWindowSurfaceFactory == null) { 28315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEGLWindowSurfaceFactory = new DefaultWindowSurfaceFactory(); 28415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread = new GLThread(renderer); 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.start(); 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 29015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * Install a custom EGLContextFactory. 29115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * <p>If this method is 29215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * called, it must be called before {@link #setRenderer(Renderer)} 29315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * is called. 29415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * <p> 29515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * If this method is not called, then by default 29615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * a context will be created with no shared context and 29715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * with a null attribute list. 29815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich */ 299a8fecb87c5eaaefc9ca6272e3b59ef88d293dd6dJack Palevich public void setEGLContextFactory(EGLContextFactory factory) { 30015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich checkRenderThreadState(); 30115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEGLContextFactory = factory; 30215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 30315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 30415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich /** 30515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * Install a custom EGLWindowSurfaceFactory. 30615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * <p>If this method is 30715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * called, it must be called before {@link #setRenderer(Renderer)} 30815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * is called. 30915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * <p> 31015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * If this method is not called, then by default 31115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * a window surface will be created with a null attribute list. 31215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich */ 313a8fecb87c5eaaefc9ca6272e3b59ef88d293dd6dJack Palevich public void setEGLWindowSurfaceFactory(EGLWindowSurfaceFactory factory) { 31415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich checkRenderThreadState(); 31515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEGLWindowSurfaceFactory = factory; 31615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 31715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 31815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich /** 319b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Install a custom EGLConfigChooser. 320b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p>If this method is 321b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * called, it must be called before {@link #setRenderer(Renderer)} 322a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * is called. 323a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * <p> 324b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * If no setEGLConfigChooser method is called, then by default the 325b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * view will choose a config as close to 16-bit RGB as possible, with 326b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * a depth buffer as close to 16 bits as possible. 327a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * @param configChooser 328a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich */ 329a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public void setEGLConfigChooser(EGLConfigChooser configChooser) { 33015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich checkRenderThreadState(); 331a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mEGLConfigChooser = configChooser; 332a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 333a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 334a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich /** 335b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Install a config chooser which will choose a config 336a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * as close to 16-bit RGB as possible, with or without an optional depth 337a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * buffer as close to 16-bits as possible. 338b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p>If this method is 339b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * called, it must be called before {@link #setRenderer(Renderer)} 340b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * is called. 341a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * <p> 342b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * If no setEGLConfigChooser method is called, then by default the 343a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * view will choose a config as close to 16-bit RGB as possible, with 344b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * a depth buffer as close to 16 bits as possible. 345a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * 346a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * @param needDepth 347a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich */ 348a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public void setEGLConfigChooser(boolean needDepth) { 349a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich setEGLConfigChooser(new SimpleEGLConfigChooser(needDepth)); 350a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 351a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 352a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich /** 353b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Install a config chooser which will choose a config 354b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * with at least the specified component sizes, and as close 355b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * to the specified component sizes as possible. 356b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p>If this method is 357a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * called, it must be called before {@link #setRenderer(Renderer)} 358a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * is called. 359a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * <p> 360b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * If no setEGLConfigChooser method is called, then by default the 361b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * view will choose a config as close to 16-bit RGB as possible, with 362b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * a depth buffer as close to 16 bits as possible. 363a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * 364a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich */ 365a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public void setEGLConfigChooser(int redSize, int greenSize, int blueSize, 366a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich int alphaSize, int depthSize, int stencilSize) { 367a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich setEGLConfigChooser(new ComponentSizeChooser(redSize, greenSize, 368a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich blueSize, alphaSize, depthSize, stencilSize)); 369a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 370a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich /** 371b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Set the rendering mode. When renderMode is 3723e832dbe966c2ca0fde2f4bd87ad9c974a93a7cfJack Palevich * RENDERMODE_CONTINUOUSLY, the renderer is called 373b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * repeatedly to re-render the scene. When renderMode 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * is RENDERMODE_WHEN_DIRTY, the renderer only rendered when the surface 3753e832dbe966c2ca0fde2f4bd87ad9c974a93a7cfJack Palevich * is created, or when {@link #requestRender} is called. Defaults to RENDERMODE_CONTINUOUSLY. 376b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 377b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Using RENDERMODE_WHEN_DIRTY can improve battery life and overall system performance 378b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * by allowing the GPU and CPU to idle when the view does not need to be updated. 379b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 380b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * This method can only be called after {@link #setRenderer(Renderer)} 381b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param renderMode one of the RENDERMODE_X constants 3833e832dbe966c2ca0fde2f4bd87ad9c974a93a7cfJack Palevich * @see #RENDERMODE_CONTINUOUSLY 384b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #RENDERMODE_WHEN_DIRTY 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setRenderMode(int renderMode) { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.setRenderMode(renderMode); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the current rendering mode. May be called 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from any thread. Must not be called before a renderer has been set. 393b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @return the current rendering mode. 3943e832dbe966c2ca0fde2f4bd87ad9c974a93a7cfJack Palevich * @see #RENDERMODE_CONTINUOUSLY 395b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #RENDERMODE_WHEN_DIRTY 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getRenderMode() { 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mGLThread.getRenderMode(); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 402b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Request that the renderer render a frame. 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This method is typically used when the render mode has been set to 404b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * {@link #RENDERMODE_WHEN_DIRTY}, so that frames are only rendered on demand. 405b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * May be called 406b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * from any thread. Must not be called before a renderer has been set. 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestRender() { 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.requestRender(); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 412b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 413b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * This method is part of the SurfaceHolder.Callback interface, and is 414b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * not normally called or subclassed by clients of GLSurfaceView. 415b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void surfaceCreated(SurfaceHolder holder) { 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.surfaceCreated(); 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 420b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 421b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * This method is part of the SurfaceHolder.Callback interface, and is 422b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * not normally called or subclassed by clients of GLSurfaceView. 423b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void surfaceDestroyed(SurfaceHolder holder) { 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Surface will be destroyed when we return 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.surfaceDestroyed(); 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 430b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * This method is part of the SurfaceHolder.Callback interface, and is 431b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * not normally called or subclassed by clients of GLSurfaceView. 432b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.onWindowResize(w, h); 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inform the view that the activity is paused. The owner of this view must 439b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * call this method when the activity is paused. Calling this method will 440b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * pause the rendering thread. 441b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Must not be called before a renderer has been set. 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onPause() { 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.onPause(); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Inform the view that the activity is resumed. The owner of this view must 449b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * call this method when the activity is resumed. Calling this method will 450b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * recreate the OpenGL display and resume the rendering 451b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * thread. 452b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Must not be called before a renderer has been set. 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onResume() { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.onResume(); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 459b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Queue a runnable to be run on the GL rendering thread. This can be used 460b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * to communicate with the Renderer on the rendering thread. 461b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Must not be called before a renderer has been set. 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r the runnable to be run on the GL rendering thread. 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void queueEvent(Runnable r) { 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.queueEvent(r); 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 468b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 469b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * This method is used as part of the View class and is not normally 470b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * called or subclassed by clients of GLSurfaceView. 471b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Must not be called before a renderer has been set. 472b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onDetachedFromWindow() { 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.onDetachedFromWindow(); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGLThread.requestExitAndWait(); 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // ---------------------------------------------------------------------- 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 481b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 482b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * An interface used to wrap a GL interface. 483b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p>Typically 484b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * used for implementing debugging and tracing on top of the default 485b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * GL interface. You would typically use this by creating your own class 486b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * that implemented all the GL methods by delegating to another GL instance. 487b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Then you could add your own behavior before or after calling the 488b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * delegate. All the GLWrapper would do was instantiate and return the 489b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * wrapper GL instance: 490b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <pre class="prettyprint"> 491b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * class MyGLWrapper implements GLWrapper { 492b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * GL wrap(GL gl) { 493b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * return new MyGLImplementation(gl); 494b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * } 495b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * static class MyGLImplementation implements GL,GL10,GL11,... { 496b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * ... 497b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * } 498b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * } 499b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * </pre> 500b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #setGLWrapper(GLWrapper) 501b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface GLWrapper { 503b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich /** 504b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Wraps a gl interface in another gl interface. 505b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @param gl a GL interface that is to be wrapped. 506b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @return either the input argument or another GL object that wraps the input argument. 507b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich */ 508b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich GL wrap(GL gl); 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A generic renderer interface. 513b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 514b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * The renderer is responsible for making OpenGL calls to render a frame. 515b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 516b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * GLSurfaceView clients typically create their own classes that implement 517b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * this interface, and then call {@link GLSurfaceView#setRenderer} to 518b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * register the renderer with the GLSurfaceView. 519b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 520b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h3>Threading</h3> 521b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * The renderer will be called on a separate thread, so that rendering 522b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * performance is decoupled from the UI thread. Clients typically need to 523b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * communicate with the renderer from the UI thread, because that's where 524b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * input events are received. Clients can communicate using any of the 525b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * standard Java techniques for cross-thread communication, or they can 526b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * use the {@link GLSurfaceView#queueEvent(Runnable)} convenience method. 527b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 528b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <h3>EGL Context Lost</h3> 529b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * There are situations where the EGL rendering context will be lost. This 530b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * typically happens when device wakes up after going to sleep. When 531b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * the EGL context is lost, all OpenGL resources (such as textures) that are 532b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * associated with that context will be automatically deleted. In order to 533b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * keep rendering correctly, a renderer must recreate any lost resources 534b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * that it still needs. The {@link #onSurfaceCreated(GL10, EGLConfig)} method 535b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * is a convenient place to do this. 536b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 537b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * 538b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * @see #setRenderer(Renderer) 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface Renderer { 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 542b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Called when the surface is created or recreated. 543b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 544b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Called when the rendering thread 545b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * starts and whenever the EGL context is lost. The context will typically 546b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * be lost when the Android device awakes after going to sleep. 547b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 548b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Since this method is called at the beginning of rendering, as well as 549b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * every time the EGL context is lost, this method is a convenient place to put 550b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * code to create resources that need to be created when the rendering 551b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * starts, and that need to be recreated when the EGL context is lost. 552b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Textures are an example of a resource that you might want to create 553b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * here. 554b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 555b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Note that when the EGL context is lost, all OpenGL resources associated 556b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * with that context will be automatically deleted. You do not need to call 557b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * the corresponding "glDelete" methods such as glDeleteTextures to 558b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * manually delete these lost resources. 559b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param gl the GL interface. Use <code>instanceof</code> to 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * test if the interface supports GL11 or higher interfaces. 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param config the EGLConfig of the created surface. Can be used 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to create matching pbuffers. 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onSurfaceCreated(GL10 gl, EGLConfig config); 566b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 568b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Called when the surface changed size. 569b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called after the surface is created and whenever 571b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * the OpenGL ES surface size changes. 572b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 573b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Typically you will set your viewport here. If your camera 574b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * is fixed then you could also set your projection matrix here: 575b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <pre class="prettyprint"> 576b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * void onSurfaceChanged(GL10 gl, int width, int height) { 577b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * gl.glViewport(0, 0, width, height); 578b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * // for a fixed camera, set the projection too 579b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * float ratio = (float) width / height; 580b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * gl.glMatrixMode(GL10.GL_PROJECTION); 581b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * gl.glLoadIdentity(); 582b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * gl.glFrustumf(-ratio, ratio, -1, 1, 1, 10); 583b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * } 584b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * </pre> 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param gl the GL interface. Use <code>instanceof</code> to 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * test if the interface supports GL11 or higher interfaces. 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onSurfaceChanged(GL10 gl, int width, int height); 591b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 593b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * Called to draw the current frame. 594b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 595b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * This method is responsible for drawing the current frame. 596b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 597b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * The implementation of this method typically looks like this: 598b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <pre class="prettyprint"> 599b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * void onDrawFrame(GL10 gl) { 600b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT); 601b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * //... other gl calls to render the scene ... 602b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * } 603b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * </pre> 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param gl the GL interface. Use <code>instanceof</code> to 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * test if the interface supports GL11 or higher interfaces. 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onDrawFrame(GL10 gl); 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 61115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * An interface for customizing the eglCreateContext and eglDestroyContext calls. 61215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * <p> 61315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * This interface must be implemented by clients wishing to call 61415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * {@link GLSurfaceView#setEGLContextFactory(EGLContextFactory)} 61515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich */ 61615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich public interface EGLContextFactory { 61715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich EGLContext createContext(EGL10 egl, EGLDisplay display, EGLConfig eglConfig); 61815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich void destroyContext(EGL10 egl, EGLDisplay display, EGLContext context); 61915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 62015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 62115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich private static class DefaultContextFactory implements EGLContextFactory { 62215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 62315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich public EGLContext createContext(EGL10 egl, EGLDisplay display, EGLConfig config) { 62415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich return egl.eglCreateContext(display, config, EGL10.EGL_NO_CONTEXT, null); 62515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 62615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 62715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich public void destroyContext(EGL10 egl, EGLDisplay display, 62815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich EGLContext context) { 62915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich egl.eglDestroyContext(display, context); 63015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 63115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 63215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 63315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich /** 63415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * An interface for customizing the eglCreateWindowSurface and eglDestroySurface calls. 63515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * <p> 63615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * This interface must be implemented by clients wishing to call 637d40dfbbbff81219258ca36b762a89ff503154345Jack Palevich * {@link GLSurfaceView#setEGLWindowSurfaceFactory(EGLWindowSurfaceFactory)} 63815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich */ 63915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich public interface EGLWindowSurfaceFactory { 64015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich EGLSurface createWindowSurface(EGL10 egl, EGLDisplay display, EGLConfig config, 64115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich Object nativeWindow); 64215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich void destroySurface(EGL10 egl, EGLDisplay display, EGLSurface surface); 64315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 64415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 64515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich private static class DefaultWindowSurfaceFactory implements EGLWindowSurfaceFactory { 64615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 64715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich public EGLSurface createWindowSurface(EGL10 egl, EGLDisplay display, 64815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich EGLConfig config, Object nativeWindow) { 64915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich return egl.eglCreateWindowSurface(display, config, nativeWindow, null); 65015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 65115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 65215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich public void destroySurface(EGL10 egl, EGLDisplay display, 65315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich EGLSurface surface) { 65415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich egl.eglDestroySurface(display, surface); 65515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 65615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 65715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 65815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich /** 659b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * An interface for choosing an EGLConfig configuration from a list of 660a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * potential configurations. 661b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * <p> 662b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * This interface must be implemented by clients wishing to call 663b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * {@link GLSurfaceView#setEGLConfigChooser(EGLConfigChooser)} 664a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich */ 665a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public interface EGLConfigChooser { 666a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich /** 667a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * Choose a configuration from the list. Implementors typically 668a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * implement this method by calling 669b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * {@link EGL10#eglChooseConfig} and iterating through the results. Please consult the 670b47c641fe8330fc68dbed91163ff07015068d0ceJack Palevich * EGL specification available from The Khronos Group to learn how to call eglChooseConfig. 671a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * @param egl the EGL10 for the current display. 672a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * @param display the current display. 673a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * @return the chosen configuration. 674a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich */ 675a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGLConfig chooseConfig(EGL10 egl, EGLDisplay display); 676a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 677a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 678a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich private static abstract class BaseConfigChooser 679a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich implements EGLConfigChooser { 680a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public BaseConfigChooser(int[] configSpec) { 681a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mConfigSpec = configSpec; 682a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 683a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) { 684a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich int[] num_config = new int[1]; 685a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich egl.eglChooseConfig(display, mConfigSpec, null, 0, num_config); 686a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 687a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich int numConfigs = num_config[0]; 688a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 689a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich if (numConfigs <= 0) { 690a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich throw new IllegalArgumentException( 691a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich "No configs match configSpec"); 692a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 693a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 694a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGLConfig[] configs = new EGLConfig[numConfigs]; 695a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich egl.eglChooseConfig(display, mConfigSpec, configs, numConfigs, 696a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich num_config); 697a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGLConfig config = chooseConfig(egl, display, configs); 698a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich if (config == null) { 699a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich throw new IllegalArgumentException("No config chosen"); 700a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 701a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich return config; 702a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 703a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 704a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich abstract EGLConfig chooseConfig(EGL10 egl, EGLDisplay display, 705a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGLConfig[] configs); 706a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 707a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich protected int[] mConfigSpec; 708a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 709a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 710a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich private static class ComponentSizeChooser extends BaseConfigChooser { 711a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public ComponentSizeChooser(int redSize, int greenSize, int blueSize, 712a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich int alphaSize, int depthSize, int stencilSize) { 713a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich super(new int[] { 714a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGL10.EGL_RED_SIZE, redSize, 715a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGL10.EGL_GREEN_SIZE, greenSize, 716a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGL10.EGL_BLUE_SIZE, blueSize, 717a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGL10.EGL_ALPHA_SIZE, alphaSize, 718a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGL10.EGL_DEPTH_SIZE, depthSize, 719a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGL10.EGL_STENCIL_SIZE, stencilSize, 720a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGL10.EGL_NONE}); 721a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mValue = new int[1]; 722a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mRedSize = redSize; 723a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mGreenSize = greenSize; 724a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mBlueSize = blueSize; 725a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mAlphaSize = alphaSize; 726a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mDepthSize = depthSize; 727a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mStencilSize = stencilSize; 728a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 729a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 730a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich @Override 731a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display, 732a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGLConfig[] configs) { 733a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGLConfig closestConfig = null; 734a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich int closestDistance = 1000; 735a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich for(EGLConfig config : configs) { 736a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich int d = findConfigAttrib(egl, display, config, 737a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGL10.EGL_DEPTH_SIZE, 0); 738a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich int s = findConfigAttrib(egl, display, config, 739a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGL10.EGL_STENCIL_SIZE, 0); 74082fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian if (d >= mDepthSize && s>= mStencilSize) { 74182fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian int r = findConfigAttrib(egl, display, config, 74282fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian EGL10.EGL_RED_SIZE, 0); 74382fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian int g = findConfigAttrib(egl, display, config, 74482fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian EGL10.EGL_GREEN_SIZE, 0); 74582fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian int b = findConfigAttrib(egl, display, config, 74682fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian EGL10.EGL_BLUE_SIZE, 0); 74782fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian int a = findConfigAttrib(egl, display, config, 74882fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian EGL10.EGL_ALPHA_SIZE, 0); 74982fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian int distance = Math.abs(r - mRedSize) 75082fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian + Math.abs(g - mGreenSize) 75182fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian + Math.abs(b - mBlueSize) 75282fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian + Math.abs(a - mAlphaSize); 75382fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian if (distance < closestDistance) { 75482fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian closestDistance = distance; 75582fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian closestConfig = config; 75682fd4fce16b9bbde25d044acc86ddf7306ebdd10Mathias Agopian } 757a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 758a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 759a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich return closestConfig; 760a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 761a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 762a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich private int findConfigAttrib(EGL10 egl, EGLDisplay display, 763a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich EGLConfig config, int attribute, int defaultValue) { 764a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 765a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich if (egl.eglGetConfigAttrib(display, config, attribute, mValue)) { 766a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich return mValue[0]; 767a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 768a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich return defaultValue; 769a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 770a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 771a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich private int[] mValue; 772a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich // Subclasses can adjust these values: 773a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich protected int mRedSize; 774a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich protected int mGreenSize; 775a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich protected int mBlueSize; 776a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich protected int mAlphaSize; 777a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich protected int mDepthSize; 778a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich protected int mStencilSize; 779a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 780a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 781a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich /** 782a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * This class will choose a supported surface as close to 783a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * RGB565 as possible, with or without a depth buffer. 784a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich * 785a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich */ 786a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich private static class SimpleEGLConfigChooser extends ComponentSizeChooser { 787a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public SimpleEGLConfigChooser(boolean withDepthBuffer) { 788a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich super(4, 4, 4, 0, withDepthBuffer ? 16 : 0, 0); 789a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich // Adjust target values. This way we'll accept a 4444 or 790a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich // 555 buffer if there's no 565 buffer available. 791a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mRedSize = 5; 792a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mGreenSize = 6; 793a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mBlueSize = 5; 794a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 795a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich } 796a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich 797a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich /** 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * An EGL helper class. 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EglHelper { 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EglHelper() { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Initialize EGL for a given configuration spec. 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param configSpec 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 810a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich public void start(){ 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get an EGL instance 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEgl = (EGL10) EGLContext.getEGL(); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get to the default display. 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY); 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We can now initialize EGL for that display 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int[] version = new int[2]; 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEgl.eglInitialize(mEglDisplay, version); 826a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich mEglConfig = mEGLConfigChooser.chooseConfig(mEgl, mEglDisplay); 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create an OpenGL ES context. This must be done only once, an 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * OpenGL context is a somewhat heavy object. 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 83215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglContext = mEGLContextFactory.createContext(mEgl, mEglDisplay, mEglConfig); 8332e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich if (mEglContext == null || mEglContext == EGL10.EGL_NO_CONTEXT) { 8342e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich throw new RuntimeException("createContext failed"); 8352e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich } 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEglSurface = null; 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * React to the creation of a new surface by creating and returning an 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * OpenGL interface that renders to that surface. 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public GL createSurface(SurfaceHolder holder) { 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The window size has changed, so we need to create a new 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * surface. 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8492e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich if (mEglSurface != null && mEglSurface != EGL10.EGL_NO_SURFACE) { 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unbind and destroy the old EGL surface, if 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * there is one. 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE, 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT); 85715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEGLWindowSurfaceFactory.destroySurface(mEgl, mEglDisplay, mEglSurface); 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Create an EGL surface we can render into. 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 86315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglSurface = mEGLWindowSurfaceFactory.createWindowSurface(mEgl, 86415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglDisplay, mEglConfig, holder); 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8662e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich if (mEglSurface == null || mEglSurface == EGL10.EGL_NO_SURFACE) { 8672e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich throw new RuntimeException("createWindowSurface failed"); 8682e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich } 8692e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Before we can issue GL commands, we need to make sure 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the context is current and bound to a surface. 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8742e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich if (!mEgl.eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface, mEglContext)) { 8752e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich throw new RuntimeException("eglMakeCurrent failed."); 8762e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich } 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GL gl = mEglContext.getGL(); 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mGLWrapper != null) { 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gl = mGLWrapper.wrap(gl); 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mDebugFlags & (DEBUG_CHECK_GL_ERROR | DEBUG_LOG_GL_CALLS))!= 0) { 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int configFlags = 0; 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Writer log = null; 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mDebugFlags & DEBUG_CHECK_GL_ERROR) != 0) { 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project configFlags |= GLDebugHelper.CONFIG_CHECK_GL_ERROR; 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mDebugFlags & DEBUG_LOG_GL_CALLS) != 0) { 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project log = new LogWriter(); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project gl = GLDebugHelper.wrap(gl, configFlags, log); 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return gl; 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Display the current render surface. 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return false if the context has been lost. 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean swap() { 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEgl.eglSwapBuffers(mEglDisplay, mEglSurface); 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Always check for EGL_CONTEXT_LOST, which means the context 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and all associated data were lost (For instance because 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the device went to sleep). We need to sleep until we 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * get a new surface. 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEgl.eglGetError() != EGL11.EGL_CONTEXT_LOST; 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9131bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich public void destroySurface() { 9142e26fc08aa1939c19e939d983bd608cdec050024Jack Palevich if (mEglSurface != null && mEglSurface != EGL10.EGL_NO_SURFACE) { 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE, 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGL10.EGL_NO_SURFACE, 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGL10.EGL_NO_CONTEXT); 91815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEGLWindowSurfaceFactory.destroySurface(mEgl, mEglDisplay, mEglSurface); 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEglSurface = null; 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9211bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich } 9221bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich 9231bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich public void finish() { 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mEglContext != null) { 92515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEGLContextFactory.destroyContext(mEgl, mEglDisplay, mEglContext); 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEglContext = null; 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mEglDisplay != null) { 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEgl.eglTerminate(mEglDisplay); 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEglDisplay = null; 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGL10 mEgl; 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLDisplay mEglDisplay; 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLSurface mEglSurface; 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLConfig mEglConfig; 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project EGLContext mEglContext; 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A generic GL Thread. Takes care of initializing EGL and GL. Delegates 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to a Renderer instance to do the actual drawing. Can be configured to 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * render continuously or on request. 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class GLThread extends Thread { 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project GLThread(Renderer renderer) { 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(); 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDone = false; 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidth = 0; 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHeight = 0; 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRequestRender = true; 9543e832dbe966c2ca0fde2f4bd87ad9c974a93a7cfJack Palevich mRenderMode = RENDERMODE_CONTINUOUSLY; 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRenderer = renderer; 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 9608b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich setName("GLThread " + getId()); 9618b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich if (LOG_THREADS) { 9628b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich Log.i("GLThread", "starting tid=" + getId()); 9638b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 9648b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * When the android framework launches a second instance of 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * an activity, the new instance's onCreate() method may be 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called before the first instance returns from onDestroy(). 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This semaphore ensures that only one instance at a time 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * accesses EGL. 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 9758b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich sGLThreadManager.start(this); 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (InterruptedException e) { 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project guardedRun(); 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (InterruptedException e) { 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // fall thru and exit normally 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 9838b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich try { 9848b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich sGLThreadManager.end(this); 9858b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } finally { 9868b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich synchronized(this) { 9878b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich if (LOG_THREADS) { 9888b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich Log.i("GLThread", "exiting tid=" + getId()); 9898b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 9908b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich mDone = true; 9918b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 9928b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 9938b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void guardedRun() throws InterruptedException { 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEglHelper = new EglHelper(); 99915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich try { 100015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglHelper.start(); 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 100215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich GL10 gl = null; 100315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich boolean tellRendererSurfaceCreated = true; 100415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich boolean tellRendererSurfaceChanged = true; 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* 100715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * This is our main activity thread's loop, we go until 100815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * asked to quit. 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 101015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich while (!mDone) { 101115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 101215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich /* 101315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * Update the asynchronous state (window size) 101415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich */ 101515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich int w, h; 101615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich boolean changed; 101715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich boolean needStart = false; 101815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich synchronized (this) { 101915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich Runnable r; 102015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich while ((r = getEvent()) != null) { 102115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich r.run(); 102215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 102315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (mPaused) { 102415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglHelper.destroySurface(); 102515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglHelper.finish(); 102615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich needStart = true; 102715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 102815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich while (needToWait()) { 10298b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich if (LOG_THREADS) { 10308b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich Log.i("GLThread", "needToWait tid=" + getId()); 10318b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 103215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (!mHasSurface) { 103315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (!mWaitingForSurface) { 103415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglHelper.destroySurface(); 103515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mWaitingForSurface = true; 10368b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 103715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 10381bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich } 103915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich wait(); 104015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 104115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (mDone) { 104215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich break; 104315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 104415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich changed = mSizeChanged; 104515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich w = mWidth; 104615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich h = mHeight; 104715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mSizeChanged = false; 104815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mRequestRender = false; 104915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (mHasSurface && mWaitingForSurface) { 105015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich changed = true; 105115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mWaitingForSurface = false; 10528b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 10531bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich } 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 105515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (needStart) { 105615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglHelper.start(); 105715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich tellRendererSurfaceCreated = true; 10581bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich changed = true; 10591bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich } 106015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (changed) { 106115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich gl = (GL10) mEglHelper.createSurface(getHolder()); 106215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich tellRendererSurfaceChanged = true; 106315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 106415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (tellRendererSurfaceCreated) { 106515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mRenderer.onSurfaceCreated(gl, mEglHelper.mEglConfig); 106615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich tellRendererSurfaceCreated = false; 106715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 106815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (tellRendererSurfaceChanged) { 106915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mRenderer.onSurfaceChanged(gl, w, h); 107015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich tellRendererSurfaceChanged = false; 107115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 107215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if ((w > 0) && (h > 0)) { 107315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich /* draw a frame here */ 107415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mRenderer.onDrawFrame(gl); 107515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 107615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich /* 107715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * Once we're done with GL, we need to call swapBuffers() 107815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * to instruct the system to display the rendered frame 107915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich */ 108015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglHelper.swap(); 108115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 108215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 108315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } finally { 108415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich /* 108515e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich * clean-up everything... 108615e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich */ 108715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglHelper.destroySurface(); 108815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich mEglHelper.finish(); 108915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean needToWait() { 10938b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich if (sGLThreadManager.shouldQuit(this)) { 10948b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich mDone = true; 10958b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 10968b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDone) { 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPaused || (! mHasSurface)) { 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11053e832dbe966c2ca0fde2f4bd87ad9c974a93a7cfJack Palevich if ((mWidth > 0) && (mHeight > 0) && (mRequestRender || (mRenderMode == RENDERMODE_CONTINUOUSLY))) { 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setRenderMode(int renderMode) { 11133e832dbe966c2ca0fde2f4bd87ad9c974a93a7cfJack Palevich if ( !((RENDERMODE_WHEN_DIRTY <= renderMode) && (renderMode <= RENDERMODE_CONTINUOUSLY)) ) { 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException("renderMode"); 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(this) { 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRenderMode = renderMode; 11183e832dbe966c2ca0fde2f4bd87ad9c974a93a7cfJack Palevich if (renderMode == RENDERMODE_CONTINUOUSLY) { 11198b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getRenderMode() { 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(this) { 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mRenderMode; 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestRender() { 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(this) { 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRequestRender = true; 11338b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void surfaceCreated() { 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(this) { 11398b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich if (LOG_THREADS) { 11408b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich Log.i("GLThread", "surfaceCreated tid=" + getId()); 11418b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHasSurface = true; 11438b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void surfaceDestroyed() { 11489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(this) { 11498b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich if (LOG_THREADS) { 11508b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich Log.i("GLThread", "surfaceDestroyed tid=" + getId()); 11518b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHasSurface = false; 11538b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 11548b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich while(!mWaitingForSurface && isAlive() && ! mDone) { 11551bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich try { 11561bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich wait(); 11571bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich } catch (InterruptedException e) { 11581bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich Thread.currentThread().interrupt(); 11591bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich } 11601bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich } 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onPause() { 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 11669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaused = true; 11678b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onResume() { 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPaused = false; 11748b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich mRequestRender = true; 11758b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 11769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onWindowResize(int w, int h) { 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 11819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mWidth = w; 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHeight = h; 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSizeChanged = true; 11848b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void requestExitAndWait() { 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't call this from GLThread thread or it is a guaranteed 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // deadlock! 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(this) { 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDone = true; 11938b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich notifyAll(); 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project join(); 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (InterruptedException ex) { 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Thread.currentThread().interrupt(); 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Queue an "event" to be run on the GL rendering thread. 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param r the runnable to be run on the GL rendering thread. 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void queueEvent(Runnable r) { 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(this) { 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventQueue.add(r); 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Runnable getEvent() { 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(this) { 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mEventQueue.size() > 0) { 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEventQueue.remove(0); 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mDone; 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mPaused; 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mHasSurface; 12251bd888ba2e0976a179258cfa65ef07be31602a0aJack Palevich private boolean mWaitingForSurface; 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mWidth; 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mHeight; 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mRenderMode; 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mRequestRender; 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Renderer mRenderer; 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ArrayList<Runnable> mEventQueue = new ArrayList<Runnable>(); 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EglHelper mEglHelper; 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static class LogWriter extends Writer { 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public void close() { 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flushBuilder(); 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public void flush() { 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flushBuilder(); 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public void write(char[] buf, int offset, int count) { 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for(int i = 0; i < count; i++) { 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project char c = buf[offset + i]; 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( c == '\n') { 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flushBuilder(); 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else { 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBuilder.append(c); 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void flushBuilder() { 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mBuilder.length() > 0) { 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v("GLSurfaceView", mBuilder.toString()); 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBuilder.delete(0, mBuilder.length()); 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private StringBuilder mBuilder = new StringBuilder(); 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 126715e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 126815e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich private void checkRenderThreadState() { 126915e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich if (mGLThread != null) { 127015e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich throw new IllegalStateException( 127115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich "setRenderer has already been called for this instance."); 127215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 127315e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich } 127415e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich 12758b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich static class GLThreadManager { 12768b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich public boolean shouldQuit(GLThread thread) { 12778b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich synchronized(this) { 12788b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich return thread != mMostRecentGLThread; 12798b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 12808b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 12818b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich public void start(GLThread thread) throws InterruptedException { 12828b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich GLThread oldThread = null; 12838b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich synchronized(this) { 12848b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich mMostRecentGLThread = thread; 12858b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich oldThread = mMostRecentGLThread; 12868b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 12878b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich if (oldThread != null) { 12888b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich synchronized(oldThread) { 12898b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich oldThread.notifyAll(); 12908b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 12918b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 12928b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich sEglSemaphore.acquire(); 12938b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 12948b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich public void end(GLThread thread) { 12958b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich sEglSemaphore.release(); 12968b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich synchronized(this) { 12978b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich if (mMostRecentGLThread == thread) { 12988b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich mMostRecentGLThread = null; 12998b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 13008b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 13018b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 13028b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich private GLThread mMostRecentGLThread; 13038b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich } 13048b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final Semaphore sEglSemaphore = new Semaphore(1); 13068b2c9c9ecb08d25244fa97fb42c2c315ae3cf03dJack Palevich private static final GLThreadManager sGLThreadManager = new GLThreadManager(); 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mSizeChanged = true; 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private GLThread mGLThread; 1310a605a51e63de2e7dc99ed085639a6f12b7f85af7Jack Palevich private EGLConfigChooser mEGLConfigChooser; 131115e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich private EGLContextFactory mEGLContextFactory; 131215e1c6dc7a778590068b1cad55beea2bc6159509Jack Palevich private EGLWindowSurfaceFactory mEGLWindowSurfaceFactory; 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private GLWrapper mGLWrapper; 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDebugFlags; 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1316