Moving src/webrtc into src/.
In order to eliminate the WebRTC Subtree mirror in Chromium, WebRTC is moving the content of the src/webrtc directory up to the src/ directory. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38 Reviewed-on: https://webrtc-review.googlesource.com/1560 Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19845}
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Mirko Bonadei
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313
sdk/android/src/java/org/webrtc/EglBase10.java
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313
sdk/android/src/java/org/webrtc/EglBase10.java
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/*
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* Copyright 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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package org.webrtc;
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import android.graphics.Canvas;
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import android.graphics.Rect;
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import android.graphics.SurfaceTexture;
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import android.view.Surface;
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import android.view.SurfaceHolder;
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import javax.microedition.khronos.egl.EGL10;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.egl.EGLContext;
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import javax.microedition.khronos.egl.EGLDisplay;
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import javax.microedition.khronos.egl.EGLSurface;
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/**
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* Holds EGL state and utility methods for handling an egl 1.0 EGLContext, an EGLDisplay,
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* and an EGLSurface.
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*/
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class EglBase10 extends EglBase {
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// This constant is taken from EGL14.EGL_CONTEXT_CLIENT_VERSION.
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private static final int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
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private final EGL10 egl;
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private EGLContext eglContext;
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private EGLConfig eglConfig;
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private EGLDisplay eglDisplay;
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private EGLSurface eglSurface = EGL10.EGL_NO_SURFACE;
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// EGL wrapper for an actual EGLContext.
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public static class Context extends EglBase.Context {
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private final EGLContext eglContext;
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public Context(EGLContext eglContext) {
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this.eglContext = eglContext;
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}
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}
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// Create a new context with the specified config type, sharing data with sharedContext.
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public EglBase10(Context sharedContext, int[] configAttributes) {
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this.egl = (EGL10) EGLContext.getEGL();
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eglDisplay = getEglDisplay();
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eglConfig = getEglConfig(eglDisplay, configAttributes);
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eglContext = createEglContext(sharedContext, eglDisplay, eglConfig);
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}
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@Override
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public void createSurface(Surface surface) {
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/**
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* We have to wrap Surface in a SurfaceHolder because for some reason eglCreateWindowSurface
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* couldn't actually take a Surface object until API 17. Older versions fortunately just call
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* SurfaceHolder.getSurface(), so we'll do that. No other methods are relevant.
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*/
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class FakeSurfaceHolder implements SurfaceHolder {
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private final Surface surface;
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FakeSurfaceHolder(Surface surface) {
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this.surface = surface;
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}
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@Override
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public void addCallback(Callback callback) {}
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@Override
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public void removeCallback(Callback callback) {}
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@Override
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public boolean isCreating() {
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return false;
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}
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@Deprecated
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@Override
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public void setType(int i) {}
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@Override
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public void setFixedSize(int i, int i2) {}
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@Override
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public void setSizeFromLayout() {}
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@Override
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public void setFormat(int i) {}
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@Override
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public void setKeepScreenOn(boolean b) {}
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@Override
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public Canvas lockCanvas() {
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return null;
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}
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@Override
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public Canvas lockCanvas(Rect rect) {
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return null;
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}
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@Override
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public void unlockCanvasAndPost(Canvas canvas) {}
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@Override
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public Rect getSurfaceFrame() {
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return null;
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}
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@Override
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public Surface getSurface() {
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return surface;
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}
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}
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createSurfaceInternal(new FakeSurfaceHolder(surface));
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}
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// Create EGLSurface from the Android SurfaceTexture.
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@Override
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public void createSurface(SurfaceTexture surfaceTexture) {
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createSurfaceInternal(surfaceTexture);
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}
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// Create EGLSurface from either a SurfaceHolder or a SurfaceTexture.
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private void createSurfaceInternal(Object nativeWindow) {
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if (!(nativeWindow instanceof SurfaceHolder) && !(nativeWindow instanceof SurfaceTexture)) {
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throw new IllegalStateException("Input must be either a SurfaceHolder or SurfaceTexture");
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}
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checkIsNotReleased();
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if (eglSurface != EGL10.EGL_NO_SURFACE) {
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throw new RuntimeException("Already has an EGLSurface");
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}
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int[] surfaceAttribs = {EGL10.EGL_NONE};
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eglSurface = egl.eglCreateWindowSurface(eglDisplay, eglConfig, nativeWindow, surfaceAttribs);
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if (eglSurface == EGL10.EGL_NO_SURFACE) {
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throw new RuntimeException(
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"Failed to create window surface: 0x" + Integer.toHexString(egl.eglGetError()));
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}
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}
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// Create dummy 1x1 pixel buffer surface so the context can be made current.
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@Override
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public void createDummyPbufferSurface() {
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createPbufferSurface(1, 1);
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}
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@Override
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public void createPbufferSurface(int width, int height) {
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checkIsNotReleased();
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if (eglSurface != EGL10.EGL_NO_SURFACE) {
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throw new RuntimeException("Already has an EGLSurface");
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}
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int[] surfaceAttribs = {EGL10.EGL_WIDTH, width, EGL10.EGL_HEIGHT, height, EGL10.EGL_NONE};
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eglSurface = egl.eglCreatePbufferSurface(eglDisplay, eglConfig, surfaceAttribs);
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if (eglSurface == EGL10.EGL_NO_SURFACE) {
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throw new RuntimeException("Failed to create pixel buffer surface with size " + width + "x"
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+ height + ": 0x" + Integer.toHexString(egl.eglGetError()));
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}
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}
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@Override
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public org.webrtc.EglBase.Context getEglBaseContext() {
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return new EglBase10.Context(eglContext);
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}
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@Override
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public boolean hasSurface() {
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return eglSurface != EGL10.EGL_NO_SURFACE;
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}
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@Override
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public int surfaceWidth() {
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final int widthArray[] = new int[1];
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egl.eglQuerySurface(eglDisplay, eglSurface, EGL10.EGL_WIDTH, widthArray);
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return widthArray[0];
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}
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@Override
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public int surfaceHeight() {
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final int heightArray[] = new int[1];
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egl.eglQuerySurface(eglDisplay, eglSurface, EGL10.EGL_HEIGHT, heightArray);
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return heightArray[0];
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}
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@Override
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public void releaseSurface() {
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if (eglSurface != EGL10.EGL_NO_SURFACE) {
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egl.eglDestroySurface(eglDisplay, eglSurface);
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eglSurface = EGL10.EGL_NO_SURFACE;
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}
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}
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private void checkIsNotReleased() {
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if (eglDisplay == EGL10.EGL_NO_DISPLAY || eglContext == EGL10.EGL_NO_CONTEXT
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|| eglConfig == null) {
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throw new RuntimeException("This object has been released");
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}
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}
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@Override
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public void release() {
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checkIsNotReleased();
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releaseSurface();
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detachCurrent();
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egl.eglDestroyContext(eglDisplay, eglContext);
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egl.eglTerminate(eglDisplay);
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eglContext = EGL10.EGL_NO_CONTEXT;
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eglDisplay = EGL10.EGL_NO_DISPLAY;
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eglConfig = null;
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}
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@Override
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public void makeCurrent() {
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checkIsNotReleased();
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if (eglSurface == EGL10.EGL_NO_SURFACE) {
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throw new RuntimeException("No EGLSurface - can't make current");
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}
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synchronized (EglBase.lock) {
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if (!egl.eglMakeCurrent(eglDisplay, eglSurface, eglSurface, eglContext)) {
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throw new RuntimeException(
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"eglMakeCurrent failed: 0x" + Integer.toHexString(egl.eglGetError()));
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}
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}
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}
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// Detach the current EGL context, so that it can be made current on another thread.
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@Override
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public void detachCurrent() {
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synchronized (EglBase.lock) {
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if (!egl.eglMakeCurrent(
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eglDisplay, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT)) {
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throw new RuntimeException(
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"eglDetachCurrent failed: 0x" + Integer.toHexString(egl.eglGetError()));
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}
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}
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}
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@Override
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public void swapBuffers() {
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checkIsNotReleased();
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if (eglSurface == EGL10.EGL_NO_SURFACE) {
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throw new RuntimeException("No EGLSurface - can't swap buffers");
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}
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synchronized (EglBase.lock) {
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egl.eglSwapBuffers(eglDisplay, eglSurface);
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}
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}
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@Override
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public void swapBuffers(long timeStampNs) {
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// Setting presentation time is not supported for EGL 1.0.
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swapBuffers();
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}
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// Return an EGLDisplay, or die trying.
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private EGLDisplay getEglDisplay() {
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EGLDisplay eglDisplay = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
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if (eglDisplay == EGL10.EGL_NO_DISPLAY) {
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throw new RuntimeException(
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"Unable to get EGL10 display: 0x" + Integer.toHexString(egl.eglGetError()));
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}
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int[] version = new int[2];
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if (!egl.eglInitialize(eglDisplay, version)) {
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throw new RuntimeException(
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"Unable to initialize EGL10: 0x" + Integer.toHexString(egl.eglGetError()));
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}
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return eglDisplay;
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}
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// Return an EGLConfig, or die trying.
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private EGLConfig getEglConfig(EGLDisplay eglDisplay, int[] configAttributes) {
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EGLConfig[] configs = new EGLConfig[1];
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int[] numConfigs = new int[1];
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if (!egl.eglChooseConfig(eglDisplay, configAttributes, configs, configs.length, numConfigs)) {
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throw new RuntimeException(
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"eglChooseConfig failed: 0x" + Integer.toHexString(egl.eglGetError()));
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}
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if (numConfigs[0] <= 0) {
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throw new RuntimeException("Unable to find any matching EGL config");
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}
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final EGLConfig eglConfig = configs[0];
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if (eglConfig == null) {
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throw new RuntimeException("eglChooseConfig returned null");
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}
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return eglConfig;
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}
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// Return an EGLConfig, or die trying.
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private EGLContext createEglContext(
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Context sharedContext, EGLDisplay eglDisplay, EGLConfig eglConfig) {
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if (sharedContext != null && sharedContext.eglContext == EGL10.EGL_NO_CONTEXT) {
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throw new RuntimeException("Invalid sharedContext");
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}
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int[] contextAttributes = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE};
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EGLContext rootContext =
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sharedContext == null ? EGL10.EGL_NO_CONTEXT : sharedContext.eglContext;
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final EGLContext eglContext;
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synchronized (EglBase.lock) {
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eglContext = egl.eglCreateContext(eglDisplay, eglConfig, rootContext, contextAttributes);
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}
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if (eglContext == EGL10.EGL_NO_CONTEXT) {
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throw new RuntimeException(
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"Failed to create EGL context: 0x" + Integer.toHexString(egl.eglGetError()));
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}
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return eglContext;
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}
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}
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