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/*
* Copyright (C) 2012 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.rs.sample;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.SurfaceTexture;
import android.os.Bundle;
import android.renderscript.Allocation;
import android.renderscript.Element;
import android.renderscript.Matrix3f;
import android.renderscript.RenderScript;
import android.renderscript.Sampler;
import android.renderscript.Type;
import android.renderscript.Type.Builder;
import android.util.Log;
import android.view.Surface;
import android.view.TextureView;
import android.view.TextureView.SurfaceTextureListener;
import android.view.View;
import android.widget.ImageView;
import android.widget.SeekBar;
import android.widget.TextView;
public class SampleRSActivity extends Activity {
class TextureViewUpdater implements TextureView.SurfaceTextureListener {
private Allocation mOutPixelsAllocation;
private Sampler mSampler;
TextureViewUpdater(Allocation outAlloc, Sampler sampler) {
mOutPixelsAllocation = outAlloc;
mSampler = sampler;
}
public void onSurfaceTextureUpdated(SurfaceTexture surface) {
}
public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
if (surface != null) {
mOutPixelsAllocation.setSurface(new Surface(surface));
}
}
public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
if (surface != null) {
mOutPixelsAllocation.setSurface(new Surface(surface));
}
filterAlloc(mOutPixelsAllocation, mSampler);
}
public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
return true;
}
}
private final String TAG = "Img";
private Bitmap mBitmapTwoByTwo;
private Bitmap mBitmapCity;
private TextView mBenchmarkResult;
private RenderScript mRS;
private Allocation mTwoByTwoAlloc;
private Allocation mCityAlloc;
private ScriptC_sample mScript;
public void onStartTrackingTouch(SeekBar seekBar) {
}
public void onStopTrackingTouch(SeekBar seekBar) {
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.rs);
mBitmapTwoByTwo = loadBitmap(R.drawable.twobytwo);
mBitmapCity = loadBitmap(R.drawable.city);
mBenchmarkResult = (TextView) findViewById(R.id.benchmarkText);
mBenchmarkResult.setText("Result: not run");
mRS = RenderScript.create(this);
mTwoByTwoAlloc = Allocation.createFromBitmap(mRS, mBitmapTwoByTwo,
Allocation.MipmapControl.MIPMAP_NONE,
Allocation.USAGE_SCRIPT | Allocation.USAGE_GRAPHICS_TEXTURE);
mCityAlloc = Allocation.createFromBitmap(mRS, mBitmapCity,
Allocation.MipmapControl.MIPMAP_NONE,
Allocation.USAGE_SCRIPT | Allocation.USAGE_GRAPHICS_TEXTURE);
Type.Builder b = new Type.Builder(mRS, Element.RGBA_8888(mRS));
int usage = Allocation.USAGE_SCRIPT | Allocation.USAGE_IO_OUTPUT;
int outX = 256;
int outY = 256;
// Wrap Linear
Allocation outAlloc = Allocation.createTyped(mRS, b.setX(outX).setY(outY).create(), usage);
TextureViewUpdater updater = new TextureViewUpdater(outAlloc, Sampler.WRAP_LINEAR(mRS));
TextureView displayView = (TextureView) findViewById(R.id.display);
displayView.setSurfaceTextureListener(updater);
// Clamp Linear
outAlloc = Allocation.createTyped(mRS, b.setX(outX).setY(outY).create(), usage);
updater = new TextureViewUpdater(outAlloc, Sampler.CLAMP_LINEAR(mRS));
displayView = (TextureView) findViewById(R.id.display2);
displayView.setSurfaceTextureListener(updater);
// Wrap Nearest
outAlloc = Allocation.createTyped(mRS, b.setX(outX).setY(outY).create(), usage);
updater = new TextureViewUpdater(outAlloc, Sampler.WRAP_NEAREST(mRS));
displayView = (TextureView) findViewById(R.id.display3);
displayView.setSurfaceTextureListener(updater);
// Clamp Nearest
outAlloc = Allocation.createTyped(mRS, b.setX(outX).setY(outY).create(), usage);
updater = new TextureViewUpdater(outAlloc, Sampler.CLAMP_NEAREST(mRS));
displayView = (TextureView) findViewById(R.id.display4);
displayView.setSurfaceTextureListener(updater);
mScript = new ScriptC_sample(mRS);
}
private Bitmap loadBitmap(int resource) {
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
Bitmap b = BitmapFactory.decodeResource(getResources(), resource, options);
Bitmap b2 = Bitmap.createBitmap(b.getWidth(), b.getHeight(), b.getConfig());
Canvas c = new Canvas(b2);
c.drawBitmap(b, 0, 0, null);
b.recycle();
return b2;
}
private synchronized void filterAlloc(Allocation alloc, Sampler sampler) {
long t = java.lang.System.currentTimeMillis();
mScript.invoke_setSampleData(alloc, mTwoByTwoAlloc, sampler);
mScript.forEach_root(alloc);
alloc.ioSend();
mRS.finish();
t = java.lang.System.currentTimeMillis() - t;
Log.i(TAG, "Filter time is: " + t + " ms");
}
public void benchmark(View v) {
/*filterAlloc();
long t = java.lang.System.currentTimeMillis();
filterAlloc();
t = java.lang.System.currentTimeMillis() - t;
mDisplayView.invalidate();
mBenchmarkResult.setText("Result: " + t + " ms");*/
}
}
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