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author | Jack Palevich <jackpal@google.com> | 2009-11-19 16:34:55 +0800 |
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committer | Jack Palevich <jackpal@google.com> | 2009-11-19 16:34:55 +0800 |
commit | 50d0b14689b0ae95ea7b66a8c2f7b955115812dd (patch) | |
tree | ef14957708c4dcf4189dd6ec1fc5b71c7c85d3da /opengl/tests/gl2_java | |
parent | d807a1053ee537f1c17c7e1b0506a6c28b038aed (diff) | |
download | frameworks_native-50d0b14689b0ae95ea7b66a8c2f7b955115812dd.zip frameworks_native-50d0b14689b0ae95ea7b66a8c2f7b955115812dd.tar.gz frameworks_native-50d0b14689b0ae95ea7b66a8c2f7b955115812dd.tar.bz2 |
Add a Java API for OpenGL ES 2.0.
Currently this API is hidden.
Add a test program.
Diffstat (limited to 'opengl/tests/gl2_java')
-rw-r--r-- | opengl/tests/gl2_java/Android.mk | 18 | ||||
-rw-r--r-- | opengl/tests/gl2_java/AndroidManifest.xml | 35 | ||||
-rw-r--r-- | opengl/tests/gl2_java/res/values/strings.xml | 29 | ||||
-rw-r--r-- | opengl/tests/gl2_java/src/com/android/gl2java/GL2JavaActivity.java | 46 | ||||
-rw-r--r-- | opengl/tests/gl2_java/src/com/android/gl2java/GL2JavaView.java | 386 |
5 files changed, 514 insertions, 0 deletions
diff --git a/opengl/tests/gl2_java/Android.mk b/opengl/tests/gl2_java/Android.mk new file mode 100644 index 0000000..34f4aee --- /dev/null +++ b/opengl/tests/gl2_java/Android.mk @@ -0,0 +1,18 @@ +######################################################################### +# OpenGL ES 2.0 Java sample +######################################################################### + +TOP_LOCAL_PATH:= $(call my-dir) + +# Build activity + +LOCAL_PATH:= $(call my-dir) +include $(CLEAR_VARS) + +LOCAL_MODULE_TAGS := optional + +LOCAL_SRC_FILES := $(call all-subdir-java-files) + +LOCAL_PACKAGE_NAME := GL2Java + +include $(BUILD_PACKAGE) diff --git a/opengl/tests/gl2_java/AndroidManifest.xml b/opengl/tests/gl2_java/AndroidManifest.xml new file mode 100644 index 0000000..d666e6c --- /dev/null +++ b/opengl/tests/gl2_java/AndroidManifest.xml @@ -0,0 +1,35 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- +/* +** +** Copyright 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. +*/ +--> + +<manifest xmlns:android="http://schemas.android.com/apk/res/android" + package="com.android.gl2java"> + <application + android:label="@string/gl2java_activity"> + <activity android:name="GL2JavaActivity" + android:theme="@android:style/Theme.NoTitleBar.Fullscreen" + android:launchMode="singleTask" + android:configChanges="orientation|keyboardHidden"> + <intent-filter> + <action android:name="android.intent.action.MAIN" /> + <category android:name="android.intent.category.LAUNCHER" /> + </intent-filter> + </activity> + </application> +</manifest> diff --git a/opengl/tests/gl2_java/res/values/strings.xml b/opengl/tests/gl2_java/res/values/strings.xml new file mode 100644 index 0000000..d718b1d --- /dev/null +++ b/opengl/tests/gl2_java/res/values/strings.xml @@ -0,0 +1,29 @@ +<?xml version="1.0" encoding="utf-8"?> +<!-- +/* +** +** Copyright 2006, 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. +*/ +--> + +<!-- This file contains resource definitions for displayed strings, allowing + them to be changed based on the locale and options. --> + +<resources> + <!-- Simple strings. --> + <string name="gl2java_activity">GL2Java</string> + +</resources> + diff --git a/opengl/tests/gl2_java/src/com/android/gl2java/GL2JavaActivity.java b/opengl/tests/gl2_java/src/com/android/gl2java/GL2JavaActivity.java new file mode 100644 index 0000000..37654fb --- /dev/null +++ b/opengl/tests/gl2_java/src/com/android/gl2java/GL2JavaActivity.java @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2007 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.gl2java; + +import android.app.Activity; +import android.os.Bundle; +import android.util.Log; +import android.view.WindowManager; + +import java.io.File; + + +public class GL2JavaActivity extends Activity { + + GL2JavaView mView; + + @Override protected void onCreate(Bundle icicle) { + super.onCreate(icicle); + mView = new GL2JavaView(getApplication()); + setContentView(mView); + } + + @Override protected void onPause() { + super.onPause(); + mView.onPause(); + } + + @Override protected void onResume() { + super.onResume(); + mView.onResume(); + } +} diff --git a/opengl/tests/gl2_java/src/com/android/gl2java/GL2JavaView.java b/opengl/tests/gl2_java/src/com/android/gl2java/GL2JavaView.java new file mode 100644 index 0000000..0fb7a81 --- /dev/null +++ b/opengl/tests/gl2_java/src/com/android/gl2java/GL2JavaView.java @@ -0,0 +1,386 @@ +/* + * 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.gl2java; + +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 java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.nio.FloatBuffer; + +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.opengl.GLES20; + +/** + * 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 GL2JavaView extends GLSurfaceView { + private static String TAG = "GL2JavaView"; + + public GL2JavaView(Context context) { + super(context); + init(false, 0, 0); + } + + public GL2JavaView(Context context, boolean translucent, int depth, int stencil) { + super(context); + init(translucent, depth, stencil); + } + + private void init(boolean translucent, int depth, int stencil) { + setEGLContextFactory(new ContextFactory()); + setEGLConfigChooser( translucent ? + new ConfigChooser(8,8,8,8, depth, stencil) : + new ConfigChooser(5,6,5,0, depth, stencil)); + 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 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; + } + + 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]; + + if (numConfigs <= 0) { + throw new IllegalArgumentException("No configs match configSpec"); + } + EGLConfig[] configs = new EGLConfig[numConfigs]; + egl.eglChooseConfig(display, s_configAttribs2, configs, numConfigs, num_config); + // printConfigs(egl, display, configs); + return chooseConfig(egl, display, configs); + } + + public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display, + EGLConfig[] configs) { + EGLConfig closestConfig = null; + int closestDistance = 1000; + 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); + if (d >= mDepthSize && s>= mStencilSize) { + 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); + int distance = Math.abs(r - mRedSize) + + Math.abs(g - mGreenSize) + + Math.abs(b - mBlueSize) + + Math.abs(a - mAlphaSize); + if (distance < closestDistance) { + closestDistance = distance; + closestConfig = config; + } + } + } + return closestConfig; + } + + 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; + Log.w(TAG, String.format("%d configurations", numConfigs)); + for (int i = 0; i < numConfigs; i++) { + Log.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)) { + Log.w(TAG, String.format(" %s: %d\n", name, value[0])); + } else { + // Log.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]; + } + + private static class Renderer implements GLSurfaceView.Renderer { + + public Renderer() { + mTriangleVertices = ByteBuffer.allocateDirect(mTriangleVerticesData.length * 4) + .order(ByteOrder.nativeOrder()).asFloatBuffer(); + mTriangleVertices.put(mTriangleVerticesData).position(0); + } + + public void onDrawFrame(GL10 gl) { + GLES20.glClearColor(0.0f, 0.0f, 1.0f, 1.0f); + GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT); + GLES20.glUseProgram(mProgram); + checkGlError("glUseProgram"); + + GLES20.glVertexAttribPointer(mvPositionHandle, 2, GLES20.GL_FLOAT, false, 0, mTriangleVertices); + checkGlError("glVertexAttribPointer"); + GLES20.glEnableVertexAttribArray(mvPositionHandle); + checkGlError("glEnableVertexAttribArray"); + GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 3); + checkGlError("glDrawArrays"); + + } + + public void onSurfaceChanged(GL10 gl, int width, int height) { + GLES20.glViewport(0, 0, width, height); + } + + public void onSurfaceCreated(GL10 gl, EGLConfig config) { + mProgram = createProgram(mVertexShader, mFragmentShader); + if (mProgram == 0) { + return; + } + mvPositionHandle = GLES20.glGetAttribLocation(mProgram, "vPosition"); + checkGlError("glGetAttribLocation"); + if (mvPositionHandle == -1) { + throw new RuntimeException("Could not get attrib location for vPosition"); + } + } + + private int loadShader(int shaderType, String source) { + int shader = GLES20.glCreateShader(shaderType); + if (shader != 0) { + GLES20.glShaderSource(shader, source); + GLES20.glCompileShader(shader); + int[] compiled = new int[1]; + GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compiled, 0); + if (compiled[0] == 0) { + Log.e(TAG, "Could not compile shader " + shaderType + ":"); + Log.e(TAG, GLES20.glGetShaderInfoLog(shader)); + GLES20.glDeleteShader(shader); + shader = 0; + } + } + return shader; + } + + private int createProgram(String vertexSource, String fragmentSource) { + int vertexShader = loadShader(GLES20.GL_VERTEX_SHADER, vertexSource); + if (vertexShader == 0) { + return 0; + } + + int pixelShader = loadShader(GLES20.GL_FRAGMENT_SHADER, fragmentSource); + if (pixelShader == 0) { + return 0; + } + + int program = GLES20.glCreateProgram(); + if (program != 0) { + GLES20.glAttachShader(program, vertexShader); + checkGlError("glAttachShader"); + GLES20.glAttachShader(program, pixelShader); + checkGlError("glAttachShader"); + GLES20.glLinkProgram(program); + int[] linkStatus = new int[1]; + GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, linkStatus, 0); + if (linkStatus[0] != GLES20.GL_TRUE) { + Log.e(TAG, "Could not link program: "); + Log.e(TAG, GLES20.glGetProgramInfoLog(program)); + GLES20.glDeleteProgram(program); + program = 0; + } + } + return program; + } + + private void checkGlError(String op) { + int error; + while ((error = GLES20.glGetError()) != GLES20.GL_NO_ERROR) { + Log.e(TAG, op + ": glError " + error); + throw new RuntimeException(op + ": glError " + error); + } + } + + private final float[] mTriangleVerticesData = { 0.0f, 0.5f, -0.5f, -0.5f, + 0.5f, -0.5f }; + + private FloatBuffer mTriangleVertices; + + private final String mVertexShader = "attribute vec4 vPosition;\n" + + "void main() {\n" + + " gl_Position = vPosition;\n" + + "}\n"; + + private final String mFragmentShader = "precision mediump float;\n" + + "void main() {\n" + + " gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);\n" + + "}\n"; + + private int mProgram; + private int mvPositionHandle; + + } +} + |