| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.gl2jni; |
| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| |
| import android.content.Context; |
| import android.opengl.GLSurfaceView; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| import android.view.MotionEvent; |
| |
| 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; |
| |
| /** |
| * An implementation of SurfaceView that uses the dedicated surface for |
| * displaying an OpenGL animation. This allows the animation to run in a |
| * separate thread, without requiring that it be driven by the update mechanism |
| * of the view hierarchy. |
| * |
| * The application-specific rendering code is delegated to a GLView.Renderer |
| * instance. |
| */ |
| class GL2JNIView extends GLSurfaceView { |
| private static String TAG = "GL2JNIView"; |
| GL2JNIView(Context context) { |
| super(context); |
| init(); |
| } |
| |
| public GL2JNIView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| init(); |
| } |
| |
| private void init() { |
| setEGLContextFactory(new ContextFactory()); |
| setEGLConfigChooser(new ConfigChooser()); |
| setRenderer(new Renderer()); |
| } |
| |
| private static class ContextFactory implements GLSurfaceView.EGLContextFactory { |
| private static int EGL_CONTEXT_CLIENT_VERSION = 0x3098; |
| public EGLContext createContext(EGL10 egl, EGLDisplay display, EGLConfig eglConfig) { |
| Log.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) { |
| Log.e(TAG, String.format("%s: EGL error: 0x%x", prompt, error)); |
| } |
| } |
| |
| private static class ConfigChooser implements GLSurfaceView.EGLConfigChooser { |
| 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) { |
| |
| int[] num_config = new int[1]; |
| egl.eglChooseConfig(display, s_configAttribs2, null, 0, num_config); |
| |
| int numConfigs = num_config[0]; |
| |
| Log.w(TAG, String.format("Found %d configurations", numConfigs)); |
| if (numConfigs <= 0) { |
| throw new IllegalArgumentException("No configs match configSpec"); |
| } |
| EGLConfig[] configs = new EGLConfig[numConfigs]; |
| egl.eglChooseConfig(display, s_configAttribs2, configs, numConfigs, num_config); |
| return configs[0]; |
| } |
| } |
| |
| private static class Renderer implements GLSurfaceView.Renderer { |
| public void onDrawFrame(GL10 gl) { |
| GL2JNILib.step(); |
| } |
| |
| public void onSurfaceChanged(GL10 gl, int width, int height) { |
| GL2JNILib.init(width, height); |
| } |
| |
| public void onSurfaceCreated(GL10 gl, EGLConfig config) { |
| // Do nothing. |
| } |
| } |
| } |
| |