| /* |
| * 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.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) { |
| mOutPixelsAllocation.setSurfaceTexture(surface); |
| } |
| |
| public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { |
| mOutPixelsAllocation.setSurfaceTexture(surface); |
| filterAlloc(mOutPixelsAllocation, mSampler); |
| } |
| |
| public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { |
| mOutPixelsAllocation.setSurfaceTexture(null); |
| 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); |
| |
| mCityAlloc = Allocation.createFromBitmap(mRS, mBitmapCity, |
| Allocation.MipmapControl.MIPMAP_NONE, |
| Allocation.USAGE_SCRIPT); |
| |
| 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, getResources(), R.raw.sample); |
| } |
| |
| 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.ioSendOutput(); |
| 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");*/ |
| } |
| } |