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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.plainmonalisa;
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import android.content.Context;
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import android.view.Choreographer;
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import android.view.SurfaceView;
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import android.view.SurfaceHolder;
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import android.util.Log;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class PlainMonaLisaSurfaceView extends SurfaceView implements SurfaceHolder.Callback, Choreographer.FrameCallback
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{
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private static final String TAG = "MonaLisaSurface";
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private RenderThread mRenderThread;
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private static volatile boolean mPaused = true;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public PlainMonaLisaSurfaceView(Context context)
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{
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super(context);
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getHolder().addCallback(this);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void surfaceCreated(SurfaceHolder holder)
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{
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Log.d(TAG, "surfaceCreated holder=" + holder);
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mRenderThread = new RenderThread(holder, this);
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mRenderThread.setName("GL render");
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mRenderThread.start();
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mRenderThread.waitUntilReady();
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RenderHandler rh = mRenderThread.getHandler();
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if (rh != null)
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{
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rh.sendSurfaceCreated();
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}
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Choreographer.getInstance().postFrameCallback(this);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void surfaceChanged(SurfaceHolder holder, int format, int width, int height)
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{
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Log.d(TAG, "surfaceChanged fmt=" + format + " size=" + width + "x" + height +" holder=" + holder);
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RenderHandler rh = mRenderThread.getHandler();
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if (rh != null)
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{
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rh.sendSurfaceChanged(format, width, height);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void surfaceDestroyed(SurfaceHolder holder)
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{
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Log.d(TAG, "surfaceDestroyed holder=" + holder);
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// We need to wait for the render thread to shut down before continuing because we
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// don't want the Surface to disappear out from under it mid-render. The frame
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// notifications will have been stopped back in onPause(), but there might have
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// been one in progress.
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RenderHandler rh = mRenderThread.getHandler();
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if (rh != null)
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{
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rh.sendShutdown();
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try
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{
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mRenderThread.join();
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}
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catch (InterruptedException ie)
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{
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throw new RuntimeException("join was interrupted", ie);
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}
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}
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mRenderThread = null;
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Log.d(TAG, "surfaceDestroyed complete");
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onPause()
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{
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mPaused = true;
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Log.d(TAG, "onPause unhooking choreographer");
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Choreographer.getInstance().removeFrameCallback(this);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onResume()
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{
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mPaused = false;
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if (mRenderThread != null)
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{
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Log.d(TAG, "onResume re-hooking choreographer");
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Choreographer.getInstance().postFrameCallback(this);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public static boolean isPaused()
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{
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return mPaused;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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@Override
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public void doFrame(long frameTimeNanos)
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{
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RenderHandler rh = mRenderThread.getHandler();
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if (rh != null)
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{
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Choreographer.getInstance().postFrameCallback(this);
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rh.sendDoFrame(frameTimeNanos);
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}
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}
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}
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