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Created May 31, 2012 23:59
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/*
* 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.
*/
// This string is autogenerated by ChangeAppSettings.sh, do not change spaces amount
package org.renpy.android;
import javax.microedition.khronos.egl.EGL10;
import javax.microedition.khronos.egl.EGL11;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.egl.EGLContext;
import javax.microedition.khronos.egl.EGLDisplay;
import javax.microedition.khronos.egl.EGLSurface;
import javax.microedition.khronos.opengles.GL10;
import android.opengl.GLES20;
import android.opengl.Matrix;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.opengl.GLSurfaceView;
import android.view.MotionEvent;
import android.view.KeyEvent;
import android.net.Uri;
import android.os.PowerManager;
import java.io.IOException;
import java.io.InputStream;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.opengl.GLUtils;
import java.nio.FloatBuffer;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import android.graphics.Color;
import android.content.res.Resources;
public class SDLSurfaceView extends SurfaceView implements SurfaceHolder.Callback, Runnable {
private static String TAG = "SDLSurface";
private final String mVertexShader =
"uniform mat4 uMVPMatrix;\n" +
"attribute vec4 aPosition;\n" +
"attribute vec2 aTextureCoord;\n" +
"varying vec2 vTextureCoord;\n" +
"void main() {\n" +
" gl_Position = uMVPMatrix * aPosition;\n" +
" vTextureCoord = aTextureCoord;\n" +
"}\n";
private final String mFragmentShader =
"precision mediump float;\n" +
"varying vec2 vTextureCoord;\n" +
"uniform sampler2D sTexture;\n" +
"void main() {\n" +
" gl_FragColor = texture2D(sTexture, vTextureCoord);\n" +
"}\n";
private static class ConfigChooser implements GLSurfaceView.EGLConfigChooser {
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;
}
/* This EGL config specification is used to specify 2.0 rendering.
* We use a minimum size of 4 bits for red/green/blue, but will
* perform actual matching in chooseConfig() below.
*/
private static int EGL_OPENGL_ES2_BIT = 4;
private static int[] s_configAttribs2 =
{
EGL10.EGL_RED_SIZE, 4,
EGL10.EGL_GREEN_SIZE, 4,
EGL10.EGL_BLUE_SIZE, 4,
EGL10.EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL10.EGL_NONE
};
public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display) {
/* Get the number of minimally matching EGL configurations
*/
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");
}
/* Allocate then read the array of minimally matching EGL configs
*/
EGLConfig[] configs = new EGLConfig[numConfigs];
egl.eglChooseConfig(display, s_configAttribs2, configs, numConfigs, num_config);
/* Now return the "best" one
*/
//printConfigs(egl, display, configs);
return chooseConfig(egl, display, configs);
}
public EGLConfig chooseConfig(EGL10 egl, EGLDisplay display,
EGLConfig[] configs) {
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);
// We need at least mDepthSize and mStencilSize bits
if (d < mDepthSize || s < mStencilSize)
continue;
// We want an *exact* match for red/green/blue/alpha
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);
if (r == mRedSize && g == mGreenSize && b == mBlueSize && a == mAlphaSize)
return config;
}
return null;
}
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];
}
// The activity we're a part of.
private static Activity mActivity;
// Have we started yet?
public boolean mStarted = false;
// Is Python ready to receive input events?
static boolean mInputActivated = false;
// The number of times we should clear the screen after swap.
private int mClears = 2;
// Has the display been changed?
private boolean mChanged = false;
// Are we running yet?
private boolean mRunning = false;
// The EGL used by our thread.
private EGL10 mEgl = null;
// The EGL Display used.
private EGLDisplay mEglDisplay = null;
// The EGL Context used.
private EGLContext mEglContext = null;
// The EGL Surface used.
private EGLSurface mEglSurface = null;
// The EGL Config used.
private EGLConfig mEglConfig = null;
// The user program is not participating in the pause protocol.
static int PAUSE_NOT_PARTICIPATING = 0;
// A pause has not been requested by the OS.
static int PAUSE_NONE = 1;
// A pause has been requested by Android, but the user program has
// not bothered responding yet.
static int PAUSE_REQUEST = 2;
// The user program is waiting in waitForResume.
static int PAUSE_WAIT_FOR_RESUME = 3;
static int PAUSE_STOP_REQUEST = 4;
static int PAUSE_STOP_ACK = 5;
// This stores the state of the pause system.
static int mPause = PAUSE_NOT_PARTICIPATING;
private PowerManager.WakeLock wakeLock;
// The width and height. (This should be set at startup time -
// these values just prevent segfaults and divide by zero, etc.)
int mWidth = 100;
int mHeight = 100;
// The name of the directory where the context stores its files.
String mFilesDirectory = null;
// The value of the argument passed in.
String mArgument = null;
// The resource manager we use.
ResourceManager mResourceManager;
// Our own view
static SDLSurfaceView instance = null;
public SDLSurfaceView(Activity act, String argument) {
super(act);
SDLSurfaceView.instance = this;
mActivity = act;
mResourceManager = new ResourceManager(act);
SurfaceHolder holder = getHolder();
holder.addCallback(this);
holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
mFilesDirectory = mActivity.getFilesDir().getAbsolutePath();
mArgument = argument;
PowerManager pm = (PowerManager) act.getSystemService(Context.POWER_SERVICE);
wakeLock = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK, "Screen On");
}
/**
* The user program should call this frequently to check if a
* pause has been requested by android. If this ever returns
* true, the user program should clean up and call waitForResume.
*/
public int checkPause() {
if (mPause == PAUSE_NOT_PARTICIPATING) {
mPause = PAUSE_NONE;
}
if (mPause == PAUSE_REQUEST) {
return 1;
} else {
return 0;
}
}
/**
* The user program should call this quickly after checkPause
* returns true. This causes the android application to sleep,
* waiting for resume. While sleeping, it should not have any
* activity. (Notably, it should stop all timers.)
*
* While we're waiting in this method, android is allowed to
* kill us to reclaim memory, without any further warning.
*/
public void waitForResume() {
synchronized (this) {
mPause = PAUSE_WAIT_FOR_RESUME;
// Notify any threads waiting in onPause.
this.notifyAll();
while (mPause == PAUSE_WAIT_FOR_RESUME) {
try {
this.wait();
} catch (InterruptedException e) {
}
}
setOpenFile();
}
}
/**
* if the activity was called with a file parameter, put it in the
* 'PYTHON_OPENFILE' env var
*/
public static void setOpenFile(){
final android.content.Intent intent = mActivity.getIntent();
if (intent != null) {
final android.net.Uri data = intent.getData ();
if (data != null){
nativeSetEnv("PYTHON_OPENFILE", data.getEncodedPath());
}
}
}
/**
* Inform the view that the activity is paused. The owner of this view must
* call this method when the activity is paused. Calling this method will
* pause the rendering thread.
* Must not be called before a renderer has been set.
*/
public void onPause() {
synchronized (this) {
if (mPause == PAUSE_NONE) {
mPause = PAUSE_REQUEST;
while (mPause == PAUSE_REQUEST) {
try {
this.wait();
} catch (InterruptedException e) {
// pass
}
}
}
}
wakeLock.release();
}
/**
* Inform the view that the activity is resumed. The owner of this view must
* call this method when the activity is resumed. Calling this method will
* recreate the OpenGL display and resume the rendering
* thread.
* Must not be called before a renderer has been set.
*/
public void onResume() {
synchronized (this) {
if (mPause == PAUSE_WAIT_FOR_RESUME) {
mPause = PAUSE_NONE;
this.notifyAll();
}
}
final android.content.Intent intent = mActivity.getIntent();
if (intent != null) {
final android.net.Uri data = intent.getData ();
if (data != null){
nativeSetEnv("PYTHON_OPENFILE", data.getEncodedPath());
}
}
wakeLock.acquire();
}
public void onDestroy() {
Log.w(TAG, "onDestroy() called");
synchronized (this) {
this.notifyAll();
if ( mPause == PAUSE_STOP_ACK ) {
Log.d(TAG, "onDestroy() app already leaved.");
return;
}
// application didn't leave, give 10s before closing.
// hopefully, this could be enough for launching the on_stop() trigger within the app.
mPause = PAUSE_STOP_REQUEST;
int i = 50;
Log.d(TAG, "onDestroy() stop requested, wait for an event from the app");
for (; i >= 0 && mPause == PAUSE_STOP_REQUEST; i--) {
try {
this.wait(200);
} catch (InterruptedException e) {
break;
}
}
Log.d(TAG, "onDestroy() stop finished waiting.");
}
}
static int checkStop() {
if (mPause == PAUSE_STOP_REQUEST)
return 1;
return 0;
}
static void ackStop() {
Log.d(TAG, "ackStop() notify");
synchronized (instance) {
mPause = PAUSE_STOP_ACK;
instance.notifyAll();
}
}
/**
* This method is part of the SurfaceHolder.Callback interface, and is
* not normally called or subclassed by clients of GLSurfaceView.
*/
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated() is not handled :|");
}
/**
* This method is part of the SurfaceHolder.Callback interface, and is
* not normally called or subclassed by clients of GLSurfaceView.
*/
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed() is not handled :|");
}
/**
* This method is part of the SurfaceHolder.Callback interface, and is
* not normally called or subclassed by clients of GLSurfaceView.
*/
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
mWidth = w;
mHeight = h;
if (mActivity.getRequestedOrientation() == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE &&
mWidth < mHeight) {
return;
}
if (mActivity.getRequestedOrientation() == ActivityInfo.SCREEN_ORIENTATION_PORTRAIT &&
mWidth > mHeight) {
return;
}
if (!mRunning) {
mRunning = true;
new Thread(this).start();
} else {
mChanged = true;
}
}
public void run() {
mEgl = (EGL10) EGLContext.getEGL();
mEglDisplay = mEgl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
int[] version = new int[2];
mEgl.eglInitialize(mEglDisplay, version);
// Pick an appropriate config. We just take the first config
// the system offers to us, because anything more complicated
// than that stands a really good chance of not working.
int[] configSpec = {
// RENDERABLE_TYPE = OpenGL ES is the default.
EGL10.EGL_NONE
};
EGLConfig[] configs = new EGLConfig[1];
int EGL_CONTEXT_CLIENT_VERSION = 0x3098;
int[] num_config = new int[1];
int[] attrib_list = {EGL_CONTEXT_CLIENT_VERSION, 2, EGL10.EGL_NONE };
// Create an opengl es 2.0 surface
Log.w(TAG, "Choose egl configuration");
int configToTest = 0;
boolean configFound = false;
while (true) {
try {
if (configToTest == 0) {
Log.i(TAG, "Try to use graphics config R8G8B8A8S8");
ConfigChooser chooser = new ConfigChooser(8, 8, 8, 8, 0, 8);
mEglConfig = chooser.chooseConfig(mEgl, mEglDisplay);
} else if (configToTest == 1) {
Log.i(TAG, "Try to use graphics config R5G6B5S8");
ConfigChooser chooser = new ConfigChooser(5, 6, 5, 0, 0, 8);
mEglConfig = chooser.chooseConfig(mEgl, mEglDisplay);
} else {
Log.e(TAG, "Unable to found a correct surface for this device !");
break;
}
} catch (IllegalArgumentException e) {
configToTest++;
continue;
}
Log.w(TAG, "Create egl context");
mEglContext = mEgl.eglCreateContext(mEglDisplay, mEglConfig, EGL10.EGL_NO_CONTEXT, attrib_list);
if (mEglContext == null) {
Log.w(TAG, "Unable to create egl context with this configuration, try the next one.");
configToTest++;
continue;
}
Log.w(TAG, "Create egl surface");
if (!createSurface()) {
Log.w(TAG, "Unable to create egl surface with this configuration, try the next one.");
configToTest++;
continue;
}
configFound = true;
break;
}
if (!configFound) {
System.exit(0);
return;
}
Log.w(TAG, "Done");
waitForStart();
setOpenFile();
nativeResize(mWidth, mHeight);
nativeInitJavaCallbacks();
nativeSetEnv("ANDROID_PRIVATE", mFilesDirectory);
nativeSetEnv("ANDROID_ARGUMENT", mArgument);
nativeSetEnv("PYTHONOPTIMIZE", "2");
nativeSetEnv("PYTHONHOME", mFilesDirectory);
nativeSetEnv("PYTHONPATH", mArgument + ":" + mFilesDirectory + "/lib");
nativeSetMultitouchUsed();
nativeInit();
mPause = PAUSE_STOP_ACK;
//Log.i(TAG, "End of native init, stop everything (exit0)");
System.exit(0);
}
private void glCheck(GL10 gl) {
int gle = gl.glGetError();
if (gle != gl.GL_NO_ERROR) {
throw new RuntimeException("GL Error: " + gle);
}
}
private void waitForStart() {
int presplashId = mResourceManager.getIdentifier("presplash", "drawable");
InputStream is = mActivity.getResources().openRawResource(presplashId);
Bitmap bitmap = null;
try {
bitmap = BitmapFactory.decodeStream(is);
bitmap = bitmap.copy(Bitmap.Config.ARGB_8888, false);
} finally {
try {
is.close();
} catch (IOException e) { }
}
mTriangleVertices = ByteBuffer.allocateDirect(mTriangleVerticesData.length
* FLOAT_SIZE_BYTES).order(ByteOrder.nativeOrder()).asFloatBuffer();
mTriangleVertices.put(mTriangleVerticesData).position(0);
mProgram = createProgram(mVertexShader, mFragmentShader);
if (mProgram == 0) {
synchronized (this) {
while (!mStarted) {
try {
this.wait(250);
} catch (InterruptedException e) {
continue;
}
}
}
return;
}
maPositionHandle = GLES20.glGetAttribLocation(mProgram, "aPosition");
checkGlError("glGetAttribLocation aPosition");
if (maPositionHandle == -1) {
throw new RuntimeException("Could not get attrib location for aPosition");
}
maTextureHandle = GLES20.glGetAttribLocation(mProgram, "aTextureCoord");
checkGlError("glGetAttribLocation aTextureCoord");
if (maTextureHandle == -1) {
throw new RuntimeException("Could not get attrib location for aTextureCoord");
}
muMVPMatrixHandle = GLES20.glGetUniformLocation(mProgram, "uMVPMatrix");
checkGlError("glGetUniformLocation uMVPMatrix");
if (muMVPMatrixHandle == -1) {
throw new RuntimeException("Could not get attrib location for uMVPMatrix");
}
// Create our texture. This has to be done each time the
// surface is created.
int[] textures = new int[1];
GLES20.glGenTextures(1, textures, 0);
mTextureID = textures[0];
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureID);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_MIN_FILTER,
GLES20.GL_NEAREST);
GLES20.glTexParameterf(GLES20.GL_TEXTURE_2D,
GLES20.GL_TEXTURE_MAG_FILTER,
GLES20.GL_LINEAR);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_S,
GLES20.GL_REPEAT);
GLES20.glTexParameteri(GLES20.GL_TEXTURE_2D, GLES20.GL_TEXTURE_WRAP_T,
GLES20.GL_REPEAT);
GLUtils.texImage2D(GLES20.GL_TEXTURE_2D, 0, bitmap, 0);
Matrix.setLookAtM(mVMatrix, 0, 0, 0, -5, 0f, 0f, 0f, 0f, 1.0f, 0.0f);
GLES20.glViewport(0, 0, mWidth, mHeight);
if (bitmap != null) {
float mx = ((float)mWidth / bitmap.getWidth()) / 2.0f;
float my = ((float)mHeight / bitmap.getHeight()) / 2.0f;
Matrix.orthoM(mProjMatrix, 0, -mx, mx, my, -my, 0, 10);
int value = bitmap.getPixel(0, 0);
Color color = new Color();
GLES20.glClearColor(
(float)color.red(value) / 255.0f,
(float)color.green(value) / 255.0f,
(float)color.blue(value) / 255.0f,
0.0f);
} else {
Matrix.orthoM(mProjMatrix, 0, -1, 1, -1, 1, 0, 10);
GLES20.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
}
GLES20.glClear(GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
GLES20.glUseProgram(mProgram);
checkGlError("glUseProgram");
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mTextureID);
mTriangleVertices.position(TRIANGLE_VERTICES_DATA_POS_OFFSET);
GLES20.glVertexAttribPointer(maPositionHandle, 3, GLES20.GL_FLOAT, false,
TRIANGLE_VERTICES_DATA_STRIDE_BYTES, mTriangleVertices);
checkGlError("glVertexAttribPointer maPosition");
mTriangleVertices.position(TRIANGLE_VERTICES_DATA_UV_OFFSET);
GLES20.glEnableVertexAttribArray(maPositionHandle);
checkGlError("glEnableVertexAttribArray maPositionHandle");
GLES20.glVertexAttribPointer(maTextureHandle, 2, GLES20.GL_FLOAT, false,
TRIANGLE_VERTICES_DATA_STRIDE_BYTES, mTriangleVertices);
checkGlError("glVertexAttribPointer maTextureHandle");
GLES20.glEnableVertexAttribArray(maTextureHandle);
checkGlError("glEnableVertexAttribArray maTextureHandle");
Matrix.setRotateM(mMMatrix, 0, 0, 0, 0, 1.0f);
Matrix.multiplyMM(mMVPMatrix, 0, mVMatrix, 0, mMMatrix, 0);
Matrix.multiplyMM(mMVPMatrix, 0, mProjMatrix, 0, mMVPMatrix, 0);
GLES20.glUniformMatrix4fv(muMVPMatrixHandle, 1, false, mMVPMatrix, 0);
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 6);
checkGlError("glDrawArrays");
mEgl.eglSwapBuffers(mEglDisplay, mEglSurface);
// Wait to be notified it's okay to start Python.
synchronized (this) {
while (!mStarted) {
// Draw & Flip.
GLES20.glClear(GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
GLES20.glDrawArrays(GLES20.GL_TRIANGLES, 0, 6);
mEgl.eglSwapBuffers(mEglDisplay, mEglSurface);
try {
this.wait(250);
} catch (InterruptedException e) {
continue;
}
}
}
GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, 0);
// Delete texture.
GLES20.glDeleteTextures(1, textures, 0);
if (bitmap != null)
bitmap.recycle();
// Delete program
GLES20.glDeleteProgram(mProgram);
}
public void start() {
this.setFocusableInTouchMode(true);
this.setFocusable(true);
this.requestFocus();
synchronized (this) {
mStarted = true;
this.notify();
}
}
public boolean createSurface() {
mChanged = false;
// Destroy the old surface.
if (mEglSurface != null) {
/*
* Unbind and destroy the old EGL surface, if
* there is one.
*/
mEgl.eglMakeCurrent(mEglDisplay, EGL10.EGL_NO_SURFACE,
EGL10.EGL_NO_SURFACE, EGL10.EGL_NO_CONTEXT);
mEgl.eglDestroySurface(mEglDisplay, mEglSurface);
}
// Create a new surface.
mEglSurface = mEgl.eglCreateWindowSurface(
mEglDisplay, mEglConfig, getHolder(), null);
// Make the new surface current.
boolean rv = mEgl.eglMakeCurrent(
mEglDisplay, mEglSurface, mEglSurface, mEglContext);
if (!rv) {
mEglSurface = null;
return false;
}
if (mStarted) {
nativeResize(mWidth, mHeight);
}
return true;
}
public int swapBuffers() {
// If the display has been changed, then disregard all the
// rendering we've done to it, and make a new surface.
//
// Otherwise, swap the buffers.
if (mChanged) {
createSurface();
mClears = 2;
return 0;
} else {
mEgl.eglSwapBuffers(mEglDisplay, mEglSurface);
if (mClears-- > 0)
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
return 1;
}
}
private static final int INVALID_POINTER_ID = -1;
private int mActivePointerId = INVALID_POINTER_ID;
@Override
public boolean onTouchEvent(final MotionEvent event) {
if (mInputActivated == false)
return true;
int action = event.getAction() & MotionEvent.ACTION_MASK;
int sdlAction = -1;
int pointerId = -1;
int pointerIndex = -1;
switch ( action ) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_POINTER_DOWN:
sdlAction = 0;
break;
case MotionEvent.ACTION_MOVE:
sdlAction = 2;
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_UP:
sdlAction = 1;
break;
}
// http://android-developers.blogspot.com/2010/06/making-sense-of-multitouch.html
switch ( action & MotionEvent.ACTION_MASK ) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_UP:
pointerIndex = event.findPointerIndex(mActivePointerId);
break;
case MotionEvent.ACTION_POINTER_DOWN:
case MotionEvent.ACTION_POINTER_UP:
pointerIndex = (event.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK)
>> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
if ( action == MotionEvent.ACTION_POINTER_UP ) {
pointerId = event.getPointerId(pointerIndex);
if ( pointerId == mActivePointerId )
mActivePointerId = event.getPointerId(pointerIndex == 0 ? 1 : 0);
}
break;
}
if ( sdlAction >= 0 ) {
for ( int i = 0; i < event.getPointerCount(); i++ ) {
if ( pointerIndex == -1 || pointerIndex == i ) {
/**
Log.i("python", String.format("mouse id=%d action=%d x=%f y=%f",
event.getPointerId(i),
sdlAction,
event.getX(i),
event.getY(i)
));
**/
SDLSurfaceView.nativeMouse(
(int)event.getX(i),
(int)event.getY(i),
sdlAction,
event.getPointerId(i),
(int)(event.getPressure(i) * 1000.0),
(int)(event.getSize(i) * 1000.0));
}
}
}
return true;
};
@Override
public boolean onKeyDown(int keyCode, final KeyEvent event) {
//Log.i("python", String.format("key down %d", keyCode));
if (mInputActivated && nativeKey(keyCode, 1, event.getUnicodeChar())) {
return true;
} else {
return super.onKeyDown(keyCode, event);
}
}
@Override
public boolean onKeyUp(int keyCode, final KeyEvent event) {
//Log.i("python", String.format("key up %d", keyCode));
if (mInputActivated && nativeKey(keyCode, 0, event.getUnicodeChar())) {
return true;
} else {
return super.onKeyUp(keyCode, event);
}
}
static void activateInput() {
mInputActivated = true;
}
static void openUrl(String url) {
Log.i("python", "Opening URL: " + url);
Intent i = new Intent(Intent.ACTION_VIEW);
i.setData(Uri.parse(url));
mActivity.startActivity(i);
}
// Taken from the "GLES20TriangleRenderer" in Android SDK
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 static final int FLOAT_SIZE_BYTES = 4;
private static final int TRIANGLE_VERTICES_DATA_STRIDE_BYTES = 5 * FLOAT_SIZE_BYTES;
private static final int TRIANGLE_VERTICES_DATA_POS_OFFSET = 0;
private static final int TRIANGLE_VERTICES_DATA_UV_OFFSET = 3;
private final float[] mTriangleVerticesData = {
// X, Y, Z, U, V
-0.5f, -0.5f, 0, 1.0f, 0.0f,
0.5f, -0.5f, 0, 0.0f, 0.0f,
0.5f, 0.5f, 0, 0.0f, 1.0f,
-0.5f, -0.5f, 0, 1.0f, 0.0f,
0.5f, 0.5f, 0, 0.0f, 1.0f,
-0.5f, 0.5f, 0, 1.0f, 1.0f,
};
private FloatBuffer mTriangleVertices;
private float[] mMVPMatrix = new float[16];
private float[] mProjMatrix = new float[16];
private float[] mMMatrix = new float[16];
private float[] mVMatrix = new float[16];
private int mProgram;
private int mTextureID;
private int muMVPMatrixHandle;
private int maPositionHandle;
private int maTextureHandle;
// Native part
public static native void nativeSetEnv(String name, String value);
public static native void nativeInit();
public static native void nativeMouse( int x, int y, int action, int pointerId, int pressure, int radius );
public static native boolean nativeKey(int keyCode, int down, int unicode);
public static native void nativeSetMouseUsed();
public static native void nativeSetMultitouchUsed();
public native void nativeResize(int width, int height);
public native void nativeInitJavaCallbacks();
}
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