GLDual test application.
Draws two images at once, one GL based, one GL2 based.
diff --git a/opengl/tests/gldual/Android.mk b/opengl/tests/gldual/Android.mk
new file mode 100644
index 0000000..e73c249
--- /dev/null
+++ b/opengl/tests/gldual/Android.mk
@@ -0,0 +1,51 @@
+#########################################################################
+# OpenGL ES JNI sample
+# This makefile builds both an activity and a shared library.
+#########################################################################
+ifneq ($(TARGET_SIMULATOR),true) # not 64 bit clean
+
+TOP_LOCAL_PATH:= $(call my-dir)
+
+# Build activity
+
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := user
+
+LOCAL_SRC_FILES := $(call all-subdir-java-files)
+
+LOCAL_PACKAGE_NAME := GLDual
+
+LOCAL_JNI_SHARED_LIBRARIES := libgldualjni
+
+include $(BUILD_PACKAGE)
+
+#########################################################################
+# Build JNI Shared Library
+#########################################################################
+
+LOCAL_PATH:= $(LOCAL_PATH)/jni
+
+include $(CLEAR_VARS)
+
+# Optional tag would mean it doesn't get installed by default
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_CFLAGS := -Werror
+
+LOCAL_SRC_FILES:= \
+ gl_code.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+ libutils \
+ libEGL \
+ libGLESv2
+
+LOCAL_MODULE := libgldualjni
+
+LOCAL_PRELINK_MODULE := false
+
+include $(BUILD_SHARED_LIBRARY)
+
+endif # TARGET_SIMULATOR
diff --git a/opengl/tests/gldual/AndroidManifest.xml b/opengl/tests/gldual/AndroidManifest.xml
new file mode 100644
index 0000000..06f4c4d
--- /dev/null
+++ b/opengl/tests/gldual/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.gldual">
+ <application
+ android:label="@string/gldual_activity">
+ <activity android:name="GLDualActivity"
+ 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/gldual/jni/gl_code.cpp b/opengl/tests/gldual/jni/gl_code.cpp
new file mode 100644
index 0000000..f1f0a1f
--- /dev/null
+++ b/opengl/tests/gldual/jni/gl_code.cpp
@@ -0,0 +1,165 @@
+// OpenGL ES 2.0 code
+
+#include <nativehelper/jni.h>
+#define LOG_TAG "GL2JNI gl_code.cpp"
+#include <utils/Log.h>
+
+#include <EGL/egl.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+static void printGLString(const char *name, GLenum s) {
+ const char *v = (const char *) glGetString(s);
+ LOGI("GL %s = %s\n", name, v);
+}
+
+static void checkGlError(const char* op) {
+ for (GLint error = glGetError(); error; error
+ = glGetError()) {
+ LOGI("after %s() glError (0x%x)\n", op, error);
+ }
+}
+
+static const char gVertexShader[] = "attribute vec4 vPosition;\n"
+ "void main() {\n"
+ " gl_Position = vPosition;\n"
+ "}\n";
+
+static const char gFragmentShader[] = "precision mediump float;\n"
+ "void main() {\n"
+ " gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);\n"
+ "}\n";
+
+GLuint loadShader(GLenum shaderType, const char* pSource) {
+ GLuint shader = glCreateShader(shaderType);
+ if (shader) {
+ glShaderSource(shader, 1, &pSource, NULL);
+ glCompileShader(shader);
+ GLint compiled = 0;
+ glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
+ if (!compiled) {
+ GLint infoLen = 0;
+ glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen);
+ if (infoLen) {
+ char* buf = (char*) malloc(infoLen);
+ if (buf) {
+ glGetShaderInfoLog(shader, infoLen, NULL, buf);
+ LOGE("Could not compile shader %d:\n%s\n",
+ shaderType, buf);
+ free(buf);
+ }
+ glDeleteShader(shader);
+ shader = 0;
+ }
+ }
+ }
+ return shader;
+}
+
+GLuint createProgram(const char* pVertexSource, const char* pFragmentSource) {
+ GLuint vertexShader = loadShader(GL_VERTEX_SHADER, pVertexSource);
+ if (!vertexShader) {
+ return 0;
+ }
+
+ GLuint pixelShader = loadShader(GL_FRAGMENT_SHADER, pFragmentSource);
+ if (!pixelShader) {
+ return 0;
+ }
+
+ GLuint program = glCreateProgram();
+ if (program) {
+ glAttachShader(program, vertexShader);
+ checkGlError("glAttachShader");
+ glAttachShader(program, pixelShader);
+ checkGlError("glAttachShader");
+ glLinkProgram(program);
+ GLint linkStatus = GL_FALSE;
+ glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
+ if (linkStatus != GL_TRUE) {
+ GLint bufLength = 0;
+ glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
+ if (bufLength) {
+ char* buf = (char*) malloc(bufLength);
+ if (buf) {
+ glGetProgramInfoLog(program, bufLength, NULL, buf);
+ LOGE("Could not link program:\n%s\n", buf);
+ free(buf);
+ }
+ }
+ glDeleteProgram(program);
+ program = 0;
+ }
+ }
+ return program;
+}
+
+GLuint gProgram;
+GLuint gvPositionHandle;
+
+bool setupGraphics(int w, int h) {
+ printGLString("Version", GL_VERSION);
+ printGLString("Vendor", GL_VENDOR);
+ printGLString("Renderer", GL_RENDERER);
+ printGLString("Extensions", GL_EXTENSIONS);
+
+ LOGI("setupGraphics(%d, %d)", w, h);
+ gProgram = createProgram(gVertexShader, gFragmentShader);
+ if (!gProgram) {
+ LOGE("Could not create program.");
+ return false;
+ }
+ gvPositionHandle = glGetAttribLocation(gProgram, "vPosition");
+ checkGlError("glGetAttribLocation");
+ LOGI("glGetAttribLocation(\"vPosition\") = %d\n",
+ gvPositionHandle);
+
+ glViewport(0, 0, w, h);
+ checkGlError("glViewport");
+ return true;
+}
+
+const GLfloat gTriangleVertices[] = { 0.0f, 0.5f, -0.5f, -0.5f,
+ 0.5f, -0.5f };
+
+void renderFrame() {
+ static float grey;
+ grey += 0.01f;
+ if (grey > 1.0f) {
+ grey = 0.0f;
+ }
+ glClearColor(grey, grey, grey, 1.0f);
+ checkGlError("glClearColor");
+ glClear( GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
+ checkGlError("glClear");
+
+ glUseProgram(gProgram);
+ checkGlError("glUseProgram");
+
+ glVertexAttribPointer(gvPositionHandle, 2, GL_FLOAT, GL_FALSE, 0, gTriangleVertices);
+ checkGlError("glVertexAttribPointer");
+ glEnableVertexAttribArray(gvPositionHandle);
+ checkGlError("glEnableVertexAttribArray");
+ glDrawArrays(GL_TRIANGLES, 0, 3);
+ checkGlError("glDrawArrays");
+}
+
+extern "C" {
+ JNIEXPORT void JNICALL Java_com_android_gldual_GLDualLib_init(JNIEnv * env, jobject obj, jint width, jint height);
+ JNIEXPORT void JNICALL Java_com_android_gldual_GLDualLib_step(JNIEnv * env, jobject obj);
+};
+
+JNIEXPORT void JNICALL Java_com_android_gldual_GLDualLib_init(JNIEnv * env, jobject obj, jint width, jint height)
+{
+ setupGraphics(width, height);
+}
+
+JNIEXPORT void JNICALL Java_com_android_gldual_GLDualLib_step(JNIEnv * env, jobject obj)
+{
+ renderFrame();
+}
+
diff --git a/opengl/tests/gldual/res/layout/gldual_activity.xml b/opengl/tests/gldual/res/layout/gldual_activity.xml
new file mode 100644
index 0000000..f2d59c7
--- /dev/null
+++ b/opengl/tests/gldual/res/layout/gldual_activity.xml
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/text"
+
+ android:orientation="vertical"
+ android:layout_width="fill_parent"
+ android:layout_height="fill_parent">
+ <android.opengl.GLSurfaceView android:id="@+id/gl1"
+ android:layout_width="fill_parent"
+ android:layout_height="0dip"
+ android:layout_weight="1" />
+ <com.android.gldual.GLDualGL2View android:id="@+id/gl2"
+ android:layout_width="fill_parent"
+ android:layout_height="0dip"
+ android:layout_weight="1" />
+</LinearLayout>
diff --git a/opengl/tests/gldual/res/values/strings.xml b/opengl/tests/gldual/res/values/strings.xml
new file mode 100644
index 0000000..4267dff
--- /dev/null
+++ b/opengl/tests/gldual/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="gldual_activity">GLDual</string>
+
+</resources>
+
diff --git a/opengl/tests/gldual/src/com/android/gldual/GLDualActivity.java b/opengl/tests/gldual/src/com/android/gldual/GLDualActivity.java
new file mode 100644
index 0000000..a4f25fa
--- /dev/null
+++ b/opengl/tests/gldual/src/com/android/gldual/GLDualActivity.java
@@ -0,0 +1,52 @@
+/*
+ * 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.gldual;
+
+import android.app.Activity;
+import android.content.Context;
+import android.opengl.GLSurfaceView;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.LinearLayout;
+
+
+public class GLDualActivity extends Activity {
+
+ GLSurfaceView mGLView;
+ GLDualGL2View mGL2View;
+
+ @Override protected void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+ View root = getLayoutInflater().inflate(R.layout.gldual_activity, null);
+ mGLView = (GLSurfaceView) root.findViewById(R.id.gl1);
+ mGLView.setRenderer(new TriangleRenderer());
+ mGL2View = (GLDualGL2View) root.findViewById(R.id.gl2);
+ setContentView(root);
+ }
+
+ @Override protected void onPause() {
+ super.onPause();
+ mGLView.onPause();
+ mGL2View.onPause();
+ }
+
+ @Override protected void onResume() {
+ super.onResume();
+ mGLView.onResume();
+ mGL2View.onResume();
+ }
+}
diff --git a/opengl/tests/gldual/src/com/android/gldual/GLDualGL2View.java b/opengl/tests/gldual/src/com/android/gldual/GLDualGL2View.java
new file mode 100644
index 0000000..8f5e347
--- /dev/null
+++ b/opengl/tests/gldual/src/com/android/gldual/GLDualGL2View.java
@@ -0,0 +1,299 @@
+/*
+ * 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.gldual;
+/*
+ * 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 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.content.Context;
+import android.opengl.GLSurfaceView;
+import android.util.AttributeSet;
+import android.util.Log;
+
+/**
+ * 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 GLDualGL2View extends GLSurfaceView {
+ private static String TAG = "GLDualGL2View";
+
+ public GLDualGL2View(Context context) {
+ super(context);
+ init(false, 0, 0);
+ }
+
+ public GLDualGL2View(Context context, AttributeSet set) {
+ super(context, set);
+ init(false, 0, 0);
+ }
+
+ public GLDualGL2View(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 void onDrawFrame(GL10 gl) {
+ GLDualLib.step();
+ }
+
+ public void onSurfaceChanged(GL10 gl, int width, int height) {
+ GLDualLib.init(width, height);
+ }
+
+ public void onSurfaceCreated(GL10 gl, EGLConfig config) {
+ // Do nothing.
+ }
+ }
+}
+
diff --git a/opengl/tests/gldual/src/com/android/gldual/GLDualLib.java b/opengl/tests/gldual/src/com/android/gldual/GLDualLib.java
new file mode 100644
index 0000000..d8f765e
--- /dev/null
+++ b/opengl/tests/gldual/src/com/android/gldual/GLDualLib.java
@@ -0,0 +1,33 @@
+/*
+ * 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.gldual;
+
+// Wrapper for native library
+
+public class GLDualLib {
+
+ static {
+ System.loadLibrary("gldualjni");
+ }
+
+ /**
+ * @param width the current view width
+ * @param height the current view height
+ */
+ public static native void init(int width, int height);
+ public static native void step();
+}
diff --git a/opengl/tests/gldual/src/com/android/gldual/TriangleRenderer.java b/opengl/tests/gldual/src/com/android/gldual/TriangleRenderer.java
new file mode 100644
index 0000000..098c4d2
--- /dev/null
+++ b/opengl/tests/gldual/src/com/android/gldual/TriangleRenderer.java
@@ -0,0 +1,149 @@
+package com.android.gldual;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.FloatBuffer;
+import java.nio.ShortBuffer;
+
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.opengles.GL10;
+
+import android.opengl.GLSurfaceView;
+import android.opengl.GLU;
+import android.os.SystemClock;
+
+public class TriangleRenderer implements GLSurfaceView.Renderer{
+
+ public TriangleRenderer() {
+ mTriangle = new Triangle();
+ }
+
+ public void onSurfaceCreated(GL10 gl, EGLConfig config) {
+ /*
+ * By default, OpenGL enables features that improve quality
+ * but reduce performance. One might want to tweak that
+ * especially on software renderer.
+ */
+ gl.glDisable(GL10.GL_DITHER);
+
+ /*
+ * Some one-time OpenGL initialization can be made here
+ * probably based on features of this particular context
+ */
+ gl.glHint(GL10.GL_PERSPECTIVE_CORRECTION_HINT,
+ GL10.GL_FASTEST);
+
+ gl.glClearColor(.5f, .5f, .5f, 1);
+ gl.glShadeModel(GL10.GL_SMOOTH);
+ }
+
+ public void onDrawFrame(GL10 gl) {
+ /*
+ * By default, OpenGL enables features that improve quality
+ * but reduce performance. One might want to tweak that
+ * especially on software renderer.
+ */
+ gl.glDisable(GL10.GL_DITHER);
+
+ /*
+ * Usually, the first thing one might want to do is to clear
+ * the screen. The most efficient way of doing this is to use
+ * glClear().
+ */
+
+ gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
+
+ /*
+ * Now we're ready to draw some 3D objects
+ */
+
+ gl.glMatrixMode(GL10.GL_MODELVIEW);
+ gl.glLoadIdentity();
+
+ GLU.gluLookAt(gl, 0, 0, -5, 0f, 0f, 0f, 0f, 1.0f, 0.0f);
+
+ gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
+
+ long time = SystemClock.uptimeMillis() % 4000L;
+ float angle = 0.090f * ((int) time);
+
+ gl.glRotatef(angle, 0, 0, 1.0f);
+
+ mTriangle.draw(gl);
+ }
+
+ public void onSurfaceChanged(GL10 gl, int w, int h) {
+ gl.glViewport(0, 0, w, h);
+
+ /*
+ * Set our projection matrix. This doesn't have to be done
+ * each time we draw, but usually a new projection needs to
+ * be set when the viewport is resized.
+ */
+
+ float ratio = (float) w / h;
+ gl.glMatrixMode(GL10.GL_PROJECTION);
+ gl.glLoadIdentity();
+ gl.glFrustumf(-ratio, ratio, -1, 1, 3, 7);
+
+ }
+
+ private Triangle mTriangle;
+}
+
+class Triangle {
+ public Triangle() {
+
+ // Buffers to be passed to gl*Pointer() functions
+ // must be direct, i.e., they must be placed on the
+ // native heap where the garbage collector cannot
+ // move them.
+ //
+ // Buffers with multi-byte datatypes (e.g., short, int, float)
+ // must have their byte order set to native order
+
+ ByteBuffer vbb = ByteBuffer.allocateDirect(VERTS * 3 * 4);
+ vbb.order(ByteOrder.nativeOrder());
+ mFVertexBuffer = vbb.asFloatBuffer();
+
+ ByteBuffer tbb = ByteBuffer.allocateDirect(VERTS * 2 * 4);
+ tbb.order(ByteOrder.nativeOrder());
+
+ ByteBuffer ibb = ByteBuffer.allocateDirect(VERTS * 2);
+ ibb.order(ByteOrder.nativeOrder());
+ mIndexBuffer = ibb.asShortBuffer();
+
+ // A unit-sided equalateral triangle centered on the origin.
+ float[] coords = {
+ // X, Y, Z
+ -0.5f, -0.25f, 0,
+ 0.5f, -0.25f, 0,
+ 0.0f, 0.559016994f, 0
+ };
+
+ for (int i = 0; i < VERTS; i++) {
+ for(int j = 0; j < 3; j++) {
+ mFVertexBuffer.put(coords[i*3+j] * 2.0f);
+ }
+ }
+
+ for(int i = 0; i < VERTS; i++) {
+ mIndexBuffer.put((short) i);
+ }
+
+ mFVertexBuffer.position(0);
+ mIndexBuffer.position(0);
+ }
+
+ public void draw(GL10 gl) {
+ gl.glFrontFace(GL10.GL_CCW);
+ gl.glVertexPointer(3, GL10.GL_FLOAT, 0, mFVertexBuffer);
+ gl.glDrawElements(GL10.GL_TRIANGLE_STRIP, VERTS,
+ GL10.GL_UNSIGNED_SHORT, mIndexBuffer);
+ }
+
+ private final static int VERTS = 3;
+
+ private FloatBuffer mFVertexBuffer;
+ private ShortBuffer mIndexBuffer;
+}