Create samples showing how to call OpenGL from JNI libraries.
diff --git a/opengl/tests/gl2_basic/gl2_basic.cpp b/opengl/tests/gl2_basic/gl2_basic.cpp
index f97d347..ba9a717 100644
--- a/opengl/tests/gl2_basic/gl2_basic.cpp
+++ b/opengl/tests/gl2_basic/gl2_basic.cpp
@@ -291,6 +291,7 @@
for (;;) {
renderFrame();
eglSwapBuffers(dpy, surface);
+ checkEglError("eglSwapBuffers");
}
return 0;
diff --git a/opengl/tests/gl2_jni/Android.mk b/opengl/tests/gl2_jni/Android.mk
new file mode 100644
index 0000000..ff15814
--- /dev/null
+++ b/opengl/tests/gl2_jni/Android.mk
@@ -0,0 +1,53 @@
+#########################################################################
+# 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 := GL2JNI
+
+LOCAL_JNI_SHARED_LIBRARIES := libgl2jni
+
+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 := libgl2jni
+
+LOCAL_ARM_MODE := arm
+
+LOCAL_PRELINK_MODULE := false
+
+include $(BUILD_SHARED_LIBRARY)
+
+endif # TARGET_SIMULATOR
diff --git a/opengl/tests/gl2_jni/AndroidManifest.xml b/opengl/tests/gl2_jni/AndroidManifest.xml
new file mode 100644
index 0000000..a72a6a5
--- /dev/null
+++ b/opengl/tests/gl2_jni/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.gl2jni">
+ <application
+ android:label="@string/gl2jni_activity">
+ <activity android:name="GL2JNIActivity"
+ 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_jni/jni/gl_code.cpp b/opengl/tests/gl2_jni/jni/gl_code.cpp
new file mode 100644
index 0000000..146d52a
--- /dev/null
+++ b/opengl/tests/gl2_jni/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_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/opengl/tests/gl2_jni/res/values/strings.xml b/opengl/tests/gl2_jni/res/values/strings.xml
new file mode 100644
index 0000000..e3f7331
--- /dev/null
+++ b/opengl/tests/gl2_jni/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="gl2jni_activity">GL2JNI</string>
+
+</resources>
+
diff --git a/opengl/tests/gl2_jni/src/com/android/gl2jni/GL2JNIActivity.java b/opengl/tests/gl2_jni/src/com/android/gl2jni/GL2JNIActivity.java
new file mode 100644
index 0000000..c366a2c
--- /dev/null
+++ b/opengl/tests/gl2_jni/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/opengl/tests/gl2_jni/src/com/android/gl2jni/GL2JNILib.java b/opengl/tests/gl2_jni/src/com/android/gl2jni/GL2JNILib.java
new file mode 100644
index 0000000..040a984
--- /dev/null
+++ b/opengl/tests/gl2_jni/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/opengl/tests/gl2_jni/src/com/android/gl2jni/GL2JNIView.java b/opengl/tests/gl2_jni/src/com/android/gl2jni/GL2JNIView.java
new file mode 100644
index 0000000..baa10af
--- /dev/null
+++ b/opengl/tests/gl2_jni/src/com/android/gl2jni/GL2JNIView.java
@@ -0,0 +1,134 @@
+/*
+ * 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) {
+ 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_DEPTH_SIZE, 16,
+ // 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];
+
+ 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.
+ }
+ }
+}
+
diff --git a/opengl/tests/gl_jni/Android.mk b/opengl/tests/gl_jni/Android.mk
new file mode 100644
index 0000000..4029fa1
--- /dev/null
+++ b/opengl/tests/gl_jni/Android.mk
@@ -0,0 +1,53 @@
+#########################################################################
+# 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 := GLJNI
+
+LOCAL_JNI_SHARED_LIBRARIES := libgljni
+
+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 \
+ libGLESv1_CM
+
+LOCAL_MODULE := libgljni
+
+LOCAL_ARM_MODE := arm
+
+LOCAL_PRELINK_MODULE := false
+
+include $(BUILD_SHARED_LIBRARY)
+
+endif # TARGET_SIMULATOR
diff --git a/opengl/tests/gl_jni/AndroidManifest.xml b/opengl/tests/gl_jni/AndroidManifest.xml
new file mode 100644
index 0000000..64bd6bf
--- /dev/null
+++ b/opengl/tests/gl_jni/AndroidManifest.xml
@@ -0,0 +1,38 @@
+<?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.gljni">
+ <uses-permission android:name="android.permission.INTERNET" />
+ <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+ <application
+ android:label="@string/gljni_activity">
+ <activity android:name="GLJNIActivity"
+ android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
+ android:launchMode="singleTask"
+ android:screenOrientation="landscape"
+ 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/gl_jni/jni/gl_code.cpp b/opengl/tests/gl_jni/jni/gl_code.cpp
new file mode 100644
index 0000000..b85a433
--- /dev/null
+++ b/opengl/tests/gl_jni/jni/gl_code.cpp
@@ -0,0 +1,177 @@
+// OpenGL ES 1.0 code
+
+#include <nativehelper/jni.h>
+#define LOG_TAG "GLJNI gl_code.cpp"
+#include <utils/Log.h>
+#include <GLES/gl.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+GLuint texture;
+
+#define FIXED_ONE 0x10000
+
+static void printGLString(const char *name, GLenum s) {
+ const char *v = (const char *) glGetString(s);
+ LOGI("GL %s = %s\n", name, v);
+}
+
+static void gluLookAt(float eyeX, float eyeY, float eyeZ,
+ float centerX, float centerY, float centerZ, float upX, float upY,
+ float upZ)
+{
+ // See the OpenGL GLUT documentation for gluLookAt for a description
+ // of the algorithm. We implement it in a straightforward way:
+
+ float fx = centerX - eyeX;
+ float fy = centerY - eyeY;
+ float fz = centerZ - eyeZ;
+
+ // Normalize f
+ float rlf = 1.0f / sqrtf(fx*fx + fy*fy + fz*fz);
+ fx *= rlf;
+ fy *= rlf;
+ fz *= rlf;
+
+ // Normalize up
+ float rlup = 1.0f / sqrtf(upX*upX + upY*upY + upZ*upZ);
+ upX *= rlup;
+ upY *= rlup;
+ upZ *= rlup;
+
+ // compute s = f x up (x means "cross product")
+
+ float sx = fy * upZ - fz * upY;
+ float sy = fz * upX - fx * upZ;
+ float sz = fx * upY - fy * upX;
+
+ // compute u = s x f
+ float ux = sy * fz - sz * fy;
+ float uy = sz * fx - sx * fz;
+ float uz = sx * fy - sy * fx;
+
+ float m[16] ;
+ m[0] = sx;
+ m[1] = ux;
+ m[2] = -fx;
+ m[3] = 0.0f;
+
+ m[4] = sy;
+ m[5] = uy;
+ m[6] = -fy;
+ m[7] = 0.0f;
+
+ m[8] = sz;
+ m[9] = uz;
+ m[10] = -fz;
+ m[11] = 0.0f;
+
+ m[12] = 0.0f;
+ m[13] = 0.0f;
+ m[14] = 0.0f;
+ m[15] = 1.0f;
+
+ glMultMatrixf(m);
+ glTranslatef(-eyeX, -eyeY, -eyeZ);
+}
+
+void init_scene(int width, int height)
+{
+ printGLString("Version", GL_VERSION);
+ printGLString("Vendor", GL_VENDOR);
+ printGLString("Renderer", GL_RENDERER);
+ printGLString("Extensions", GL_EXTENSIONS);
+ glDisable(GL_DITHER);
+ glEnable(GL_CULL_FACE);
+
+
+ float ratio = width / height;
+ glViewport(0, 0, width, height);
+
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
+ glFrustumf(-ratio, ratio, -1, 1, 1, 10);
+
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+ gluLookAt(
+ 0, 0, 3, // eye
+ 0, 0, 0, // center
+ 0, 1, 0); // up
+
+ glEnable(GL_TEXTURE_2D);
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+}
+
+void create_texture()
+{
+ const unsigned int on = 0xff0000ff;
+ const unsigned int off = 0xffffffff;
+ const unsigned int pixels[] =
+ {
+ on, off, on, off, on, off, on, off,
+ off, on, off, on, off, on, off, on,
+ on, off, on, off, on, off, on, off,
+ off, on, off, on, off, on, off, on,
+ on, off, on, off, on, off, on, off,
+ off, on, off, on, off, on, off, on,
+ on, off, on, off, on, off, on, off,
+ off, on, off, on, off, on, off, on,
+ };
+ glGenTextures(1, &texture);
+ glBindTexture(GL_TEXTURE_2D, texture);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 8, 8, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
+ glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+}
+
+extern "C" {
+ JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_init(JNIEnv * env, jobject obj, jint width, jint height);
+ JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_step(JNIEnv * env, jobject obj);
+};
+
+
+JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_init(JNIEnv * env, jobject obj, jint width, jint height)
+{
+ init_scene(width, height);
+ create_texture();
+}
+
+JNIEXPORT void JNICALL Java_com_android_gljni_GLJNILib_step(JNIEnv * env, jobject obj)
+{
+ const GLfloat vertices[] = {
+ -1, -1, 0,
+ 1, -1, 0,
+ 1, 1, 0,
+ -1, 1, 0
+ };
+
+ const GLfixed texCoords[] = {
+ 0, 0,
+ FIXED_ONE, 0,
+ FIXED_ONE, FIXED_ONE,
+ 0, FIXED_ONE
+ };
+
+ const GLushort quadIndices[] = { 0, 1, 2, 0, 2, 3 };
+
+ glVertexPointer(3, GL_FLOAT, 0, vertices);
+ glTexCoordPointer(2, GL_FIXED, 0, texCoords);
+
+
+ int nelem = sizeof(quadIndices)/sizeof(quadIndices[0]);
+ static float grey;
+ grey += 0.01f;
+ if (grey > 1.0f) {
+ grey = 0.0f;
+ }
+ glClearColor(grey, grey, grey, 1.0f);
+ glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
+ glDrawElements(GL_TRIANGLES, nelem, GL_UNSIGNED_SHORT, quadIndices);
+}
+
diff --git a/opengl/tests/gl_jni/res/values/strings.xml b/opengl/tests/gl_jni/res/values/strings.xml
new file mode 100644
index 0000000..880f5c9
--- /dev/null
+++ b/opengl/tests/gl_jni/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="gljni_activity">GLJNI</string>
+
+</resources>
+
diff --git a/opengl/tests/gl_jni/src/com/android/gljni/GLJNIActivity.java b/opengl/tests/gl_jni/src/com/android/gljni/GLJNIActivity.java
new file mode 100644
index 0000000..df1f957
--- /dev/null
+++ b/opengl/tests/gl_jni/src/com/android/gljni/GLJNIActivity.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.gljni;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.WindowManager;
+
+import java.io.File;
+
+
+public class GLJNIActivity extends Activity {
+
+ GLJNIView mView;
+
+ @Override protected void onCreate(Bundle icicle) {
+ super.onCreate(icicle);
+ mView = new GLJNIView(getApplication());
+ setContentView(mView);
+ }
+
+ @Override protected void onPause() {
+ super.onPause();
+ mView.onPause();
+ }
+
+ @Override protected void onResume() {
+ super.onResume();
+ mView.onResume();
+ }
+}
diff --git a/opengl/tests/gl_jni/src/com/android/gljni/GLJNILib.java b/opengl/tests/gl_jni/src/com/android/gljni/GLJNILib.java
new file mode 100644
index 0000000..8662725
--- /dev/null
+++ b/opengl/tests/gl_jni/src/com/android/gljni/GLJNILib.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.gljni;
+
+// Wrapper for native library
+
+public class GLJNILib {
+
+ static {
+ System.loadLibrary("gljni");
+ }
+
+ /**
+ * @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/gl_jni/src/com/android/gljni/GLJNIView.java b/opengl/tests/gl_jni/src/com/android/gljni/GLJNIView.java
new file mode 100644
index 0000000..9ea1059
--- /dev/null
+++ b/opengl/tests/gl_jni/src/com/android/gljni/GLJNIView.java
@@ -0,0 +1,84 @@
+/*
+ * 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.gljni;
+/*
+ * 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.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 GLJNIView extends GLSurfaceView {
+ GLJNIView(Context context) {
+ super(context);
+ init();
+ }
+
+ public GLJNIView(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ init();
+ }
+
+ private void init() {
+ setRenderer(new Renderer());
+ }
+
+ private class Renderer implements GLSurfaceView.Renderer {
+ private static final String TAG = "Renderer";
+ public void onDrawFrame(GL10 gl) {
+ GLJNILib.step();
+ }
+
+ public void onSurfaceChanged(GL10 gl, int width, int height) {
+ GLJNILib.init(width, height);
+ }
+
+ public void onSurfaceCreated(GL10 gl, EGLConfig config) {
+ // Do nothing.
+ }
+ }
+}
+