| /* |
| * libjingle |
| * Copyright 2015 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.webrtc; |
| |
| import android.graphics.SurfaceTexture; |
| import android.view.Surface; |
| |
| import javax.microedition.khronos.egl.EGL10; |
| |
| |
| /** |
| * Holds EGL state and utility methods for handling an egl 1.0 EGLContext, an EGLDisplay, |
| * and an EGLSurface. |
| */ |
| public abstract class EglBase { |
| // EGL wrapper for an actual EGLContext. |
| public static class Context { |
| } |
| |
| // These constants are taken from EGL14.EGL_OPENGL_ES2_BIT and EGL14.EGL_CONTEXT_CLIENT_VERSION. |
| // https://android.googlesource.com/platform/frameworks/base/+/master/opengl/java/android/opengl/EGL14.java |
| // This is similar to how GlSurfaceView does: |
| // http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/5.1.1_r1/android/opengl/GLSurfaceView.java#760 |
| private static final int EGL_OPENGL_ES2_BIT = 4; |
| // Android-specific extension. |
| private static final int EGL_RECORDABLE_ANDROID = 0x3142; |
| |
| public static final int[] CONFIG_PLAIN = { |
| EGL10.EGL_RED_SIZE, 8, |
| EGL10.EGL_GREEN_SIZE, 8, |
| EGL10.EGL_BLUE_SIZE, 8, |
| EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| EGL10.EGL_NONE |
| }; |
| public static final int[] CONFIG_RGBA = { |
| EGL10.EGL_RED_SIZE, 8, |
| EGL10.EGL_GREEN_SIZE, 8, |
| EGL10.EGL_BLUE_SIZE, 8, |
| EGL10.EGL_ALPHA_SIZE, 8, |
| EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| EGL10.EGL_NONE |
| }; |
| public static final int[] CONFIG_PIXEL_BUFFER = { |
| EGL10.EGL_RED_SIZE, 8, |
| EGL10.EGL_GREEN_SIZE, 8, |
| EGL10.EGL_BLUE_SIZE, 8, |
| EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| EGL10.EGL_SURFACE_TYPE, EGL10.EGL_PBUFFER_BIT, |
| EGL10.EGL_NONE |
| }; |
| public static final int[] CONFIG_PIXEL_RGBA_BUFFER = { |
| EGL10.EGL_RED_SIZE, 8, |
| EGL10.EGL_GREEN_SIZE, 8, |
| EGL10.EGL_BLUE_SIZE, 8, |
| EGL10.EGL_ALPHA_SIZE, 8, |
| EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| EGL10.EGL_SURFACE_TYPE, EGL10.EGL_PBUFFER_BIT, |
| EGL10.EGL_NONE |
| }; |
| public static final int[] CONFIG_RECORDABLE = { |
| EGL10.EGL_RED_SIZE, 8, |
| EGL10.EGL_GREEN_SIZE, 8, |
| EGL10.EGL_BLUE_SIZE, 8, |
| EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, |
| EGL_RECORDABLE_ANDROID, 1, |
| EGL10.EGL_NONE |
| }; |
| |
| // Create a new context with the specified config attributes, sharing data with sharedContext. |
| // |sharedContext| can be null. |
| public static EglBase create(Context sharedContext, int[] configAttributes) { |
| return (EglBase14.isEGL14Supported() |
| && (sharedContext == null || sharedContext instanceof EglBase14.Context)) |
| ? new EglBase14((EglBase14.Context) sharedContext, configAttributes) |
| : new EglBase10((EglBase10.Context) sharedContext, configAttributes); |
| } |
| |
| public static EglBase create() { |
| return create(null, CONFIG_PLAIN); |
| } |
| |
| public abstract void createSurface(Surface surface); |
| |
| // Create EGLSurface from the Android SurfaceTexture. |
| public abstract void createSurface(SurfaceTexture surfaceTexture); |
| |
| // Create dummy 1x1 pixel buffer surface so the context can be made current. |
| public abstract void createDummyPbufferSurface(); |
| |
| public abstract void createPbufferSurface(int width, int height); |
| |
| public abstract Context getEglBaseContext(); |
| |
| public abstract boolean hasSurface(); |
| |
| public abstract int surfaceWidth(); |
| |
| public abstract int surfaceHeight(); |
| |
| public abstract void releaseSurface(); |
| |
| public abstract void release(); |
| |
| public abstract void makeCurrent(); |
| |
| // Detach the current EGL context, so that it can be made current on another thread. |
| public abstract void detachCurrent(); |
| |
| public abstract void swapBuffers(); |
| } |