| /* |
| * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| package org.webrtc.videoengine; |
| |
| import java.util.concurrent.locks.ReentrantLock; |
| |
| import javax.microedition.khronos.egl.EGL10; |
| import javax.microedition.khronos.egl.EGLConfig; |
| import javax.microedition.khronos.egl.EGLContext; |
| import javax.microedition.khronos.egl.EGLDisplay; |
| import javax.microedition.khronos.opengles.GL10; |
| |
| import android.app.ActivityManager; |
| import android.content.Context; |
| import android.content.pm.ConfigurationInfo; |
| import android.graphics.PixelFormat; |
| import android.opengl.GLSurfaceView; |
| |
| import org.webrtc.Logging; |
| |
| public class ViEAndroidGLES20 extends GLSurfaceView |
| implements GLSurfaceView.Renderer { |
| private static String TAG = "WEBRTC-JR"; |
| private static final boolean DEBUG = false; |
| // True if onSurfaceCreated has been called. |
| private boolean surfaceCreated = false; |
| private boolean openGLCreated = false; |
| // True if NativeFunctionsRegistered has been called. |
| private boolean nativeFunctionsRegisted = false; |
| private ReentrantLock nativeFunctionLock = new ReentrantLock(); |
| // Address of Native object that will do the drawing. |
| private long nativeObject = 0; |
| private int viewWidth = 0; |
| private int viewHeight = 0; |
| |
| public static boolean UseOpenGL2(Object renderWindow) { |
| return ViEAndroidGLES20.class.isInstance(renderWindow); |
| } |
| |
| public ViEAndroidGLES20(Context context) { |
| super(context); |
| init(false, 0, 0); |
| } |
| |
| public ViEAndroidGLES20(Context context, boolean translucent, |
| int depth, int stencil) { |
| super(context); |
| init(translucent, depth, stencil); |
| } |
| |
| private void init(boolean translucent, int depth, int stencil) { |
| |
| // By default, GLSurfaceView() creates a RGB_565 opaque surface. |
| // If we want a translucent one, we should change the surface's |
| // format here, using PixelFormat.TRANSLUCENT for GL Surfaces |
| // is interpreted as any 32-bit surface with alpha by SurfaceFlinger. |
| if (translucent) { |
| this.getHolder().setFormat(PixelFormat.TRANSLUCENT); |
| } |
| |
| // Setup the context factory for 2.0 rendering. |
| // See ContextFactory class definition below |
| setEGLContextFactory(new ContextFactory()); |
| |
| // We need to choose an EGLConfig that matches the format of |
| // our surface exactly. This is going to be done in our |
| // custom config chooser. See ConfigChooser class definition |
| // below. |
| setEGLConfigChooser( translucent ? |
| new ConfigChooser(8, 8, 8, 8, depth, stencil) : |
| new ConfigChooser(5, 6, 5, 0, depth, stencil) ); |
| |
| // Set the renderer responsible for frame rendering |
| this.setRenderer(this); |
| this.setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY); |
| } |
| |
| private static class ContextFactory implements GLSurfaceView.EGLContextFactory { |
| private static int EGL_CONTEXT_CLIENT_VERSION = 0x3098; |
| public EGLContext createContext(EGL10 egl, EGLDisplay display, EGLConfig eglConfig) { |
| Logging.w(TAG, "creating OpenGL ES 2.0 context"); |
| checkEglError("Before eglCreateContext", egl); |
| int[] attrib_list = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE }; |
| EGLContext context = egl.eglCreateContext(display, eglConfig, |
| EGL10.EGL_NO_CONTEXT, attrib_list); |
| checkEglError("After eglCreateContext", egl); |
| return context; |
| } |
| |
| public void destroyContext(EGL10 egl, EGLDisplay display, EGLContext context) { |
| egl.eglDestroyContext(display, context); |
| } |
| } |
| |
| private static void checkEglError(String prompt, EGL10 egl) { |
| int error; |
| while ((error = egl.eglGetError()) != EGL10.EGL_SUCCESS) { |
| Logging.e(TAG, String.format("%s: EGL error: 0x%x", prompt, error)); |
| } |
| } |
| |
| private static class ConfigChooser implements GLSurfaceView.EGLConfigChooser { |
| |
| public ConfigChooser(int r, int g, int b, int a, int depth, int stencil) { |
| mRedSize = r; |
| mGreenSize = g; |
| mBlueSize = b; |
| mAlphaSize = a; |
| mDepthSize = depth; |
| mStencilSize = stencil; |
| } |
| |
| // This EGL config specification is used to specify 2.0 rendering. |
| // We use a minimum size of 4 bits for red/green/blue, but will |
| // perform actual matching in chooseConfig() below. |
| private static int EGL_OPENGL_ES2_BIT = 4; |
| private static int[] s_configAttribs2 = |
| { |
| EGL10.EGL_RED_SIZE, 4, |
| EGL10.EGL_GREEN_SIZE, 4, |
| EGL10.EGL_BLUE_SIZE, 4, |
| EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| EGL10.EGL_NONE |
| }; |
| |
| public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) { |
| |
| // Get the number of minimally matching EGL configurations |
| int[] num_config = new int[1]; |
| egl.eglChooseConfig(display, s_configAttribs2, null, 0, num_config); |
| |
| int numConfigs = num_config[0]; |
| |
| if (numConfigs <= 0) { |
| throw new IllegalArgumentException("No configs match configSpec"); |
| } |
| |
| // Allocate then read the array of minimally matching EGL configs |
| EGLConfig[] configs = new EGLConfig[numConfigs]; |
| egl.eglChooseConfig(display, s_configAttribs2, configs, numConfigs, num_config); |
| |
| if (DEBUG) { |
| printConfigs(egl, display, configs); |
| } |
| // Now return the "best" one |
| return chooseConfig(egl, display, configs); |
| } |
| |
| public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display, |
| EGLConfig[] configs) { |
| for(EGLConfig config : configs) { |
| int d = findConfigAttrib(egl, display, config, |
| EGL10.EGL_DEPTH_SIZE, 0); |
| int s = findConfigAttrib(egl, display, config, |
| EGL10.EGL_STENCIL_SIZE, 0); |
| |
| // We need at least mDepthSize and mStencilSize bits |
| if (d < mDepthSize || s < mStencilSize) |
| continue; |
| |
| // We want an *exact* match for red/green/blue/alpha |
| int r = findConfigAttrib(egl, display, config, |
| EGL10.EGL_RED_SIZE, 0); |
| int g = findConfigAttrib(egl, display, config, |
| EGL10.EGL_GREEN_SIZE, 0); |
| int b = findConfigAttrib(egl, display, config, |
| EGL10.EGL_BLUE_SIZE, 0); |
| int a = findConfigAttrib(egl, display, config, |
| EGL10.EGL_ALPHA_SIZE, 0); |
| |
| if (r == mRedSize && g == mGreenSize && b == mBlueSize && a == mAlphaSize) |
| return config; |
| } |
| return null; |
| } |
| |
| private int findConfigAttrib(EGL10 egl, EGLDisplay display, |
| EGLConfig config, int attribute, int defaultValue) { |
| |
| if (egl.eglGetConfigAttrib(display, config, attribute, mValue)) { |
| return mValue[0]; |
| } |
| return defaultValue; |
| } |
| |
| private void printConfigs(EGL10 egl, EGLDisplay display, |
| EGLConfig[] configs) { |
| int numConfigs = configs.length; |
| Logging.w(TAG, String.format("%d configurations", numConfigs)); |
| for (int i = 0; i < numConfigs; i++) { |
| Logging.w(TAG, String.format("Configuration %d:\n", i)); |
| printConfig(egl, display, configs[i]); |
| } |
| } |
| |
| private void printConfig(EGL10 egl, EGLDisplay display, |
| EGLConfig config) { |
| int[] attributes = { |
| EGL10.EGL_BUFFER_SIZE, |
| EGL10.EGL_ALPHA_SIZE, |
| EGL10.EGL_BLUE_SIZE, |
| EGL10.EGL_GREEN_SIZE, |
| EGL10.EGL_RED_SIZE, |
| EGL10.EGL_DEPTH_SIZE, |
| EGL10.EGL_STENCIL_SIZE, |
| EGL10.EGL_CONFIG_CAVEAT, |
| EGL10.EGL_CONFIG_ID, |
| EGL10.EGL_LEVEL, |
| EGL10.EGL_MAX_PBUFFER_HEIGHT, |
| EGL10.EGL_MAX_PBUFFER_PIXELS, |
| EGL10.EGL_MAX_PBUFFER_WIDTH, |
| EGL10.EGL_NATIVE_RENDERABLE, |
| EGL10.EGL_NATIVE_VISUAL_ID, |
| EGL10.EGL_NATIVE_VISUAL_TYPE, |
| 0x3030, // EGL10.EGL_PRESERVED_RESOURCES, |
| EGL10.EGL_SAMPLES, |
| EGL10.EGL_SAMPLE_BUFFERS, |
| EGL10.EGL_SURFACE_TYPE, |
| EGL10.EGL_TRANSPARENT_TYPE, |
| EGL10.EGL_TRANSPARENT_RED_VALUE, |
| EGL10.EGL_TRANSPARENT_GREEN_VALUE, |
| EGL10.EGL_TRANSPARENT_BLUE_VALUE, |
| 0x3039, // EGL10.EGL_BIND_TO_TEXTURE_RGB, |
| 0x303A, // EGL10.EGL_BIND_TO_TEXTURE_RGBA, |
| 0x303B, // EGL10.EGL_MIN_SWAP_INTERVAL, |
| 0x303C, // EGL10.EGL_MAX_SWAP_INTERVAL, |
| EGL10.EGL_LUMINANCE_SIZE, |
| EGL10.EGL_ALPHA_MASK_SIZE, |
| EGL10.EGL_COLOR_BUFFER_TYPE, |
| EGL10.EGL_RENDERABLE_TYPE, |
| 0x3042 // EGL10.EGL_CONFORMANT |
| }; |
| String[] names = { |
| "EGL_BUFFER_SIZE", |
| "EGL_ALPHA_SIZE", |
| "EGL_BLUE_SIZE", |
| "EGL_GREEN_SIZE", |
| "EGL_RED_SIZE", |
| "EGL_DEPTH_SIZE", |
| "EGL_STENCIL_SIZE", |
| "EGL_CONFIG_CAVEAT", |
| "EGL_CONFIG_ID", |
| "EGL_LEVEL", |
| "EGL_MAX_PBUFFER_HEIGHT", |
| "EGL_MAX_PBUFFER_PIXELS", |
| "EGL_MAX_PBUFFER_WIDTH", |
| "EGL_NATIVE_RENDERABLE", |
| "EGL_NATIVE_VISUAL_ID", |
| "EGL_NATIVE_VISUAL_TYPE", |
| "EGL_PRESERVED_RESOURCES", |
| "EGL_SAMPLES", |
| "EGL_SAMPLE_BUFFERS", |
| "EGL_SURFACE_TYPE", |
| "EGL_TRANSPARENT_TYPE", |
| "EGL_TRANSPARENT_RED_VALUE", |
| "EGL_TRANSPARENT_GREEN_VALUE", |
| "EGL_TRANSPARENT_BLUE_VALUE", |
| "EGL_BIND_TO_TEXTURE_RGB", |
| "EGL_BIND_TO_TEXTURE_RGBA", |
| "EGL_MIN_SWAP_INTERVAL", |
| "EGL_MAX_SWAP_INTERVAL", |
| "EGL_LUMINANCE_SIZE", |
| "EGL_ALPHA_MASK_SIZE", |
| "EGL_COLOR_BUFFER_TYPE", |
| "EGL_RENDERABLE_TYPE", |
| "EGL_CONFORMANT" |
| }; |
| int[] value = new int[1]; |
| for (int i = 0; i < attributes.length; i++) { |
| int attribute = attributes[i]; |
| String name = names[i]; |
| if (egl.eglGetConfigAttrib(display, config, attribute, value)) { |
| Logging.w(TAG, String.format(" %s: %d\n", name, value[0])); |
| } else { |
| // Logging.w(TAG, String.format(" %s: failed\n", name)); |
| while (egl.eglGetError() != EGL10.EGL_SUCCESS); |
| } |
| } |
| } |
| |
| // Subclasses can adjust these values: |
| protected int mRedSize; |
| protected int mGreenSize; |
| protected int mBlueSize; |
| protected int mAlphaSize; |
| protected int mDepthSize; |
| protected int mStencilSize; |
| private int[] mValue = new int[1]; |
| } |
| |
| // IsSupported |
| // Return true if this device support Open GL ES 2.0 rendering. |
| public static boolean IsSupported(Context context) { |
| ActivityManager am = |
| (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); |
| ConfigurationInfo info = am.getDeviceConfigurationInfo(); |
| if(info.reqGlEsVersion >= 0x20000) { |
| // Open GL ES 2.0 is supported. |
| return true; |
| } |
| return false; |
| } |
| |
| public void onDrawFrame(GL10 gl) { |
| nativeFunctionLock.lock(); |
| if(!nativeFunctionsRegisted || !surfaceCreated) { |
| nativeFunctionLock.unlock(); |
| return; |
| } |
| |
| if(!openGLCreated) { |
| if(0 != CreateOpenGLNative(nativeObject, viewWidth, viewHeight)) { |
| return; // Failed to create OpenGL |
| } |
| openGLCreated = true; // Created OpenGL successfully |
| } |
| DrawNative(nativeObject); // Draw the new frame |
| nativeFunctionLock.unlock(); |
| } |
| |
| public void onSurfaceChanged(GL10 gl, int width, int height) { |
| surfaceCreated = true; |
| viewWidth = width; |
| viewHeight = height; |
| |
| nativeFunctionLock.lock(); |
| if(nativeFunctionsRegisted) { |
| if(CreateOpenGLNative(nativeObject,width,height) == 0) |
| openGLCreated = true; |
| } |
| nativeFunctionLock.unlock(); |
| } |
| |
| public void onSurfaceCreated(GL10 gl, EGLConfig config) { |
| } |
| |
| public void RegisterNativeObject(long nativeObject) { |
| nativeFunctionLock.lock(); |
| this.nativeObject = nativeObject; |
| nativeFunctionsRegisted = true; |
| nativeFunctionLock.unlock(); |
| } |
| |
| public void DeRegisterNativeObject() { |
| nativeFunctionLock.lock(); |
| nativeFunctionsRegisted = false; |
| openGLCreated = false; |
| this.nativeObject = 0; |
| nativeFunctionLock.unlock(); |
| } |
| |
| public void ReDraw() { |
| if(surfaceCreated) { |
| // Request the renderer to redraw using the render thread context. |
| this.requestRender(); |
| } |
| } |
| |
| private native int CreateOpenGLNative(long nativeObject, |
| int width, int height); |
| private native void DrawNative(long nativeObject); |
| |
| } |