diff --git a/ndk/apps/hello-gl2/Application.mk b/ndk/apps/hello-gl2/Application.mk
new file mode 100644
index 000000000..6f884bfbb
--- /dev/null
+++ b/ndk/apps/hello-gl2/Application.mk
@@ -0,0 +1,3 @@
+APP_PROJECT_PATH := $(call my-dir)/project
+APP_MODULES := libgl2jni
+
diff --git a/ndk/apps/hello-gl2/project/Android.mk b/ndk/apps/hello-gl2/project/Android.mk
new file mode 100644
index 000000000..2e3616504
--- /dev/null
+++ b/ndk/apps/hello-gl2/project/Android.mk
@@ -0,0 +1,10 @@
+LOCAL_PATH:= $(LOCAL_PATH)/jni
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := libgl2jni
+LOCAL_CFLAGS := -Werror
+LOCAL_SRC_FILES := gl_code.cpp
+LOCAL_LDLIBS := -llog -lGLESv2
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/ndk/apps/hello-gl2/project/AndroidManifest.xml b/ndk/apps/hello-gl2/project/AndroidManifest.xml
new file mode 100644
index 000000000..0ef6fb0db
--- /dev/null
+++ b/ndk/apps/hello-gl2/project/AndroidManifest.xml
@@ -0,0 +1,36 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/ndk/apps/hello-gl2/project/default.properties b/ndk/apps/hello-gl2/project/default.properties
new file mode 100644
index 000000000..dbf05f24f
--- /dev/null
+++ b/ndk/apps/hello-gl2/project/default.properties
@@ -0,0 +1,11 @@
+# This file is automatically generated by Android Tools.
+# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
+#
+# This file must be checked in Version Control Systems.
+#
+# To customize properties used by the Ant build system use,
+# "build.properties", and override values to adapt the script to your
+# project structure.
+
+# Project target.
+target=android-5
diff --git a/ndk/apps/hello-gl2/project/jni/Android.mk b/ndk/apps/hello-gl2/project/jni/Android.mk
new file mode 100644
index 000000000..a995c8679
--- /dev/null
+++ b/ndk/apps/hello-gl2/project/jni/Android.mk
@@ -0,0 +1,24 @@
+# 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.
+#
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := libgl2jni
+LOCAL_CFLAGS := -Werror
+LOCAL_SRC_FILES := gl_code.cpp
+LOCAL_LDLIBS := -llog -lGLESv2
+
+include $(BUILD_SHARED_LIBRARY)
diff --git a/ndk/apps/hello-gl2/project/jni/gl_code.cpp b/ndk/apps/hello-gl2/project/jni/gl_code.cpp
new file mode 100644
index 000000000..e1e30cefd
--- /dev/null
+++ b/ndk/apps/hello-gl2/project/jni/gl_code.cpp
@@ -0,0 +1,182 @@
+/*
+ * 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.
+ */
+
+// OpenGL ES 2.0 code
+
+#include
+#include
+
+#include
+#include
+
+#include
+#include
+#include
+
+#define LOG_TAG "libgl2jni"
+#define LOGI(...) __android_log_print(ANDROID_LOG_INFO,LOG_TAG,__VA_ARGS__)
+#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR,LOG_TAG,__VA_ARGS__)
+
+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_gl2jni_GL2JNILib_init(JNIEnv * env, jobject obj, jint width, jint height);
+ JNIEXPORT void JNICALL Java_com_android_gl2jni_GL2JNILib_step(JNIEnv * env, jobject obj);
+};
+
+JNIEXPORT void JNICALL Java_com_android_gl2jni_GL2JNILib_init(JNIEnv * env, jobject obj, jint width, jint height)
+{
+ setupGraphics(width, height);
+}
+
+JNIEXPORT void JNICALL Java_com_android_gl2jni_GL2JNILib_step(JNIEnv * env, jobject obj)
+{
+ renderFrame();
+}
diff --git a/ndk/apps/hello-gl2/project/res/values/strings.xml b/ndk/apps/hello-gl2/project/res/values/strings.xml
new file mode 100644
index 000000000..e3f733188
--- /dev/null
+++ b/ndk/apps/hello-gl2/project/res/values/strings.xml
@@ -0,0 +1,29 @@
+
+
+
+
+
+
+
+ GL2JNI
+
+
+
diff --git a/ndk/apps/hello-gl2/project/src/com/android/gl2jni/GL2JNIActivity.java b/ndk/apps/hello-gl2/project/src/com/android/gl2jni/GL2JNIActivity.java
new file mode 100644
index 000000000..c366a2cbc
--- /dev/null
+++ b/ndk/apps/hello-gl2/project/src/com/android/gl2jni/GL2JNIActivity.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.gl2jni;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.WindowManager;
+
+import java.io.File;
+
+
+public class GL2JNIActivity extends Activity {
+
+ GL2JNIView mView;
+
+ @Override protected void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+ mView = new GL2JNIView(getApplication());
+ setContentView(mView);
+ }
+
+ @Override protected void onPause() {
+ super.onPause();
+ mView.onPause();
+ }
+
+ @Override protected void onResume() {
+ super.onResume();
+ mView.onResume();
+ }
+}
diff --git a/ndk/apps/hello-gl2/project/src/com/android/gl2jni/GL2JNILib.java b/ndk/apps/hello-gl2/project/src/com/android/gl2jni/GL2JNILib.java
new file mode 100644
index 000000000..040a98480
--- /dev/null
+++ b/ndk/apps/hello-gl2/project/src/com/android/gl2jni/GL2JNILib.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.gl2jni;
+
+// Wrapper for native library
+
+public class GL2JNILib {
+
+ static {
+ System.loadLibrary("gl2jni");
+ }
+
+ /**
+ * @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/ndk/apps/hello-gl2/project/src/com/android/gl2jni/GL2JNIView.java b/ndk/apps/hello-gl2/project/src/com/android/gl2jni/GL2JNIView.java
new file mode 100644
index 000000000..72b1dfb9b
--- /dev/null
+++ b/ndk/apps/hello-gl2/project/src/com/android/gl2jni/GL2JNIView.java
@@ -0,0 +1,296 @@
+/*
+ * 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";
+
+ public GL2JNIView(Context context) {
+ super(context);
+ init(false, 0, 0);
+ }
+
+ public GL2JNIView(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) {
+ GL2JNILib.step();
+ }
+
+ public void onSurfaceChanged(GL10 gl, int width, int height) {
+ GL2JNILib.init(width, height);
+ }
+
+ public void onSurfaceCreated(GL10 gl, EGLConfig config) {
+ // Do nothing.
+ }
+ }
+}
+
diff --git a/ndk/docs/CHANGES.TXT b/ndk/docs/CHANGES.TXT
index 6c2deb217..c162886b3 100644
--- a/ndk/docs/CHANGES.TXT
+++ b/ndk/docs/CHANGES.TXT
@@ -12,6 +12,17 @@ IMPORTANT BUG FIXES:
- Actually use the awk version detected by host-setup.sh during the build.
+
+IMPORTANT CHANGES:
+
+- Added platform eclair-5 to reflect the Eclair branch. This is merely a copy
+ of android-4 that also includes headers and libraries for OpenGL ES 2.0.
+
+ See the sample named "hello-gl2" for a *very* basic demonstration. Note that
+ OpenGL ES 2.0 is currently *not* available from Java, and must be used through
+ native code exclusively.
+
+
OTHER FIXES & CHANGES:
- Added --prebuilt-ndk=FILE option to build/tools/make-release.sh script to
diff --git a/ndk/docs/STABLE-APIS.TXT b/ndk/docs/STABLE-APIS.TXT
index 67bc998e9..7d5d175be 100644
--- a/ndk/docs/STABLE-APIS.TXT
+++ b/ndk/docs/STABLE-APIS.TXT
@@ -180,3 +180,6 @@ are *not* available. EGL is used to perform surface creation and flipping
VM application instead, for example with a GLSurfaceView, as described here:
http://android-developers.blogspot.com/2009/04/introducing-glsurfaceview.html
+
+The "hello-gl2" sample application demonstrate this. It is used to draw a very
+simple triangle with the help of a vertex and fragment shaders.