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862fcd79
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Leszek Koltunski
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package org.distorted.examples.plainmonalisa;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.opengl.EGL14;
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import android.opengl.EGLSurface;
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import android.opengl.GLES20;
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import android.os.Looper;
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import android.os.Trace;
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import android.util.Log;
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import android.view.Surface;
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import android.view.SurfaceHolder;
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import android.view.SurfaceView;
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import org.distorted.library.Distorted;
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import org.distorted.library.DistortedBitmap;
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import org.distorted.library.Float2D;
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import org.distorted.library.Float3D;
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import org.distorted.library.Float4D;
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import org.distorted.examples.R;
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import java.io.IOException;
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import java.io.InputStream;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* This class handles all OpenGL rendering.
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* <p>
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* Start the render thread after the Surface has been created.
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*/
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public class RenderThread extends Thread
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{
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private static final String TAG = "RenderThread";
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// Object must be created on render thread to get correct Looper, but is used from
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// UI thread, so we need to declare it volatile to ensure the UI thread sees a fully
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// constructed object.
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private volatile RenderHandler mHandler;
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// Used to wait for the thread to start.
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private Object mStartLock = new Object();
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private boolean mReady = false;
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private volatile SurfaceHolder mSurfaceHolder; // may be updated by UI thread
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private EglCore eglCore;
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private EGLSurface eglSurface;
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private DistortedBitmap monaLisa;
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private int bmpHeight, bmpWidth;
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private Float2D pLeft, pRight;
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private Float4D rLeft, rRight;
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private Float3D vLeft, vRight;
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SurfaceView mView;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Pass in the SurfaceView's SurfaceHolder. Note the Surface may not yet exist.
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*/
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public RenderThread(SurfaceHolder holder, SurfaceView view)
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{
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mSurfaceHolder = holder;
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mView = view;
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pLeft = new Float2D( 90, 258);
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pRight= new Float2D(176, 255);
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rLeft = new Float4D(-10,-10,25,25);
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rRight= new Float4D( 10, -5,25,25);
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vLeft = new Float3D(-20,-20,0);
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vRight= new Float3D( 20,-10,0);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Thread entry point.
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* <p>
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* The thread should not be started until the Surface associated with the SurfaceHolder
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* has been created. That way we don't have to wait for a separate "surface created"
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* message to arrive.
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*/
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@Override
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public void run()
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{
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Looper.prepare();
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mHandler = new RenderHandler(this);
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eglCore = new EglCore(null, EglCore.FLAG_RECORDABLE | EglCore.FLAG_TRY_GLES3);
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synchronized (mStartLock)
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{
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mReady = true;
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mStartLock.notify(); // signal waitUntilReady()
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}
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Looper.loop();
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Log.d(TAG, "looper quit");
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checkGlError("releaseGl start");
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if (eglSurface != null)
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{
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eglCore.releaseSurface(eglSurface);
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eglSurface = EGL14.EGL_NO_SURFACE;
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}
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checkGlError("releaseGl done");
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eglCore.makeNothingCurrent();
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eglCore.release();
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synchronized (mStartLock)
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{
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mReady = false;
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Waits until the render thread is ready to receive messages.
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* <p>
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* Call from the UI thread.
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*/
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public void waitUntilReady()
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{
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synchronized (mStartLock)
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{
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while (!mReady)
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{
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try
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{
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mStartLock.wait();
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}
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catch (InterruptedException ie) { /* not expected */ }
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Shuts everything down.
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*/
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void shutdown()
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{
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Log.d(TAG, "shutdown");
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Looper.myLooper().quit();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Returns the render thread's Handler. This may be called from any thread.
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*/
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public RenderHandler getHandler()
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{
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return mHandler;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* Prepares the surface.
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*/
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void surfaceCreated()
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{
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Surface surface = mSurfaceHolder.getSurface();
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eglSurface = eglCore.createWindowSurface(surface);
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eglCore.makeCurrent(eglSurface);
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InputStream is = mView.getContext().getResources().openRawResource(R.raw.monalisa);
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Bitmap bmp;
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try
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{
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bmp = BitmapFactory.decodeStream(is);
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}
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finally
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{
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try
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{
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is.close();
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}
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catch(IOException io) {}
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}
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monaLisa = new DistortedBitmap(bmp, 10);
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monaLisa.distort( vLeft, rLeft , pLeft, 1000, 0);
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monaLisa.distort(vRight, rRight, pRight,1000, 0);
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bmpHeight = bmp.getHeight();
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bmpWidth = bmp.getWidth();
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try
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{
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Distorted.onSurfaceCreated(mView.getContext());
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}
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catch(Exception ex)
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{
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Log.e("MonaLisa", ex.getMessage() );
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void surfaceChanged(int width, int height)
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{
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Log.d(TAG, "surfaceChanged " + width + "x" + height);
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89a0d841
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Leszek Koltunski
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monaLisa.abortAllEffects(Distorted.TYPE_PRE);
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862fcd79
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Leszek Koltunski
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if( bmpHeight/bmpWidth > height/width )
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{
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int w = (height*bmpWidth)/bmpHeight;
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monaLisa.move((width-w)/2 ,0, 0);
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monaLisa.scale((float)height/bmpHeight);
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}
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else
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{
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int h = (width*bmpHeight)/bmpWidth;
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monaLisa.move(0 ,(height-h)/2, 0);
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monaLisa.scale((float)width/bmpWidth);
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}
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Distorted.onSurfaceChanged(width, height);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void doFrame(long frameTimeNs)
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{
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Trace.beginSection("doFrame draw");
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eglCore.makeCurrent(eglSurface);
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GLES20.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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GLES20.glClear( GLES20.GL_DEPTH_BUFFER_BIT | GLES20.GL_COLOR_BUFFER_BIT);
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monaLisa.draw(System.currentTimeMillis());
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eglCore.swapBuffers(eglSurface);
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Trace.endSection();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static void checkGlError(String op)
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{
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int error = GLES20.glGetError();
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if (error != GLES20.GL_NO_ERROR)
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{
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String msg = op + ": glError 0x" + Integer.toHexString(error);
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Log.e(TAG, msg);
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throw new RuntimeException(msg);
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}
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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