1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.rs.sample; 18 19 import android.app.Activity; 20 import android.graphics.Bitmap; 21 import android.graphics.Bitmap.Config; 22 import android.graphics.BitmapFactory; 23 import android.graphics.Canvas; 24 import android.graphics.SurfaceTexture; 25 import android.os.Bundle; 26 import android.renderscript.Allocation; 27 import android.renderscript.Element; 28 import android.renderscript.Matrix3f; 29 import android.renderscript.RenderScript; 30 import android.renderscript.Sampler; 31 import android.renderscript.Type; 32 import android.renderscript.Type.Builder; 33 import android.util.Log; 34 import android.view.TextureView; 35 import android.view.TextureView.SurfaceTextureListener; 36 import android.view.View; 37 import android.widget.ImageView; 38 import android.widget.SeekBar; 39 import android.widget.TextView; 40 41 public class SampleRSActivity extends Activity { 42 class TextureViewUpdater implements TextureView.SurfaceTextureListener { 43 private Allocation mOutPixelsAllocation; 44 private Sampler mSampler; 45 46 TextureViewUpdater(Allocation outAlloc, Sampler sampler) { 47 mOutPixelsAllocation = outAlloc; 48 mSampler = sampler; 49 } 50 51 public void onSurfaceTextureUpdated(SurfaceTexture surface) { 52 } 53 54 public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { 55 mOutPixelsAllocation.setSurfaceTexture(surface); 56 } 57 58 public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { 59 mOutPixelsAllocation.setSurfaceTexture(surface); 60 filterAlloc(mOutPixelsAllocation, mSampler); 61 } 62 63 public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { 64 mOutPixelsAllocation.setSurfaceTexture(null); 65 return true; 66 } 67 } 68 69 private final String TAG = "Img"; 70 private Bitmap mBitmapTwoByTwo; 71 private Bitmap mBitmapCity; 72 73 private TextView mBenchmarkResult; 74 75 private RenderScript mRS; 76 private Allocation mTwoByTwoAlloc; 77 private Allocation mCityAlloc; 78 private ScriptC_sample mScript; 79 80 public void onStartTrackingTouch(SeekBar seekBar) { 81 } 82 83 public void onStopTrackingTouch(SeekBar seekBar) { 84 } 85 86 @Override 87 protected void onCreate(Bundle savedInstanceState) { 88 super.onCreate(savedInstanceState); 89 setContentView(R.layout.rs); 90 91 mBitmapTwoByTwo = loadBitmap(R.drawable.twobytwo); 92 mBitmapCity = loadBitmap(R.drawable.city); 93 94 mBenchmarkResult = (TextView) findViewById(R.id.benchmarkText); 95 mBenchmarkResult.setText("Result: not run"); 96 97 mRS = RenderScript.create(this); 98 mTwoByTwoAlloc = Allocation.createFromBitmap(mRS, mBitmapTwoByTwo, 99 Allocation.MipmapControl.MIPMAP_NONE, 100 Allocation.USAGE_SCRIPT); 101 102 mCityAlloc = Allocation.createFromBitmap(mRS, mBitmapCity, 103 Allocation.MipmapControl.MIPMAP_NONE, 104 Allocation.USAGE_SCRIPT); 105 106 Type.Builder b = new Type.Builder(mRS, Element.RGBA_8888(mRS)); 107 108 int usage = Allocation.USAGE_SCRIPT | Allocation.USAGE_IO_OUTPUT; 109 110 int outX = 256; 111 int outY = 256; 112 113 // Wrap Linear 114 Allocation outAlloc = Allocation.createTyped(mRS, b.setX(outX).setY(outY).create(), usage); 115 TextureViewUpdater updater = new TextureViewUpdater(outAlloc, Sampler.WRAP_LINEAR(mRS)); 116 TextureView displayView = (TextureView) findViewById(R.id.display); 117 displayView.setSurfaceTextureListener(updater); 118 119 // Clamp Linear 120 outAlloc = Allocation.createTyped(mRS, b.setX(outX).setY(outY).create(), usage); 121 updater = new TextureViewUpdater(outAlloc, Sampler.CLAMP_LINEAR(mRS)); 122 displayView = (TextureView) findViewById(R.id.display2); 123 displayView.setSurfaceTextureListener(updater); 124 125 // Wrap Nearest 126 outAlloc = Allocation.createTyped(mRS, b.setX(outX).setY(outY).create(), usage); 127 updater = new TextureViewUpdater(outAlloc, Sampler.WRAP_NEAREST(mRS)); 128 displayView = (TextureView) findViewById(R.id.display3); 129 displayView.setSurfaceTextureListener(updater); 130 131 // Clamp Nearest 132 outAlloc = Allocation.createTyped(mRS, b.setX(outX).setY(outY).create(), usage); 133 updater = new TextureViewUpdater(outAlloc, Sampler.CLAMP_NEAREST(mRS)); 134 displayView = (TextureView) findViewById(R.id.display4); 135 displayView.setSurfaceTextureListener(updater); 136 137 mScript = new ScriptC_sample(mRS, getResources(), R.raw.sample); 138 } 139 140 private Bitmap loadBitmap(int resource) { 141 final BitmapFactory.Options options = new BitmapFactory.Options(); 142 options.inPreferredConfig = Bitmap.Config.ARGB_8888; 143 Bitmap b = BitmapFactory.decodeResource(getResources(), resource, options); 144 Bitmap b2 = Bitmap.createBitmap(b.getWidth(), b.getHeight(), b.getConfig()); 145 Canvas c = new Canvas(b2); 146 c.drawBitmap(b, 0, 0, null); 147 b.recycle(); 148 return b2; 149 } 150 151 private synchronized void filterAlloc(Allocation alloc, Sampler sampler) { 152 long t = java.lang.System.currentTimeMillis(); 153 mScript.invoke_setSampleData(alloc, mTwoByTwoAlloc, sampler); 154 mScript.forEach_root(alloc); 155 alloc.ioSendOutput(); 156 mRS.finish(); 157 t = java.lang.System.currentTimeMillis() - t; 158 Log.i(TAG, "Filter time is: " + t + " ms"); 159 } 160 161 public void benchmark(View v) { 162 /*filterAlloc(); 163 long t = java.lang.System.currentTimeMillis(); 164 filterAlloc(); 165 t = java.lang.System.currentTimeMillis() - t; 166 mDisplayView.invalidate(); 167 mBenchmarkResult.setText("Result: " + t + " ms");*/ 168 } 169 } 170
