1 /* 2 * Copyright (C) 2011 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.example.android.rs.hellocompute; 18 19 import android.app.Activity; 20 import android.os.Bundle; 21 import android.graphics.BitmapFactory; 22 import android.graphics.Bitmap; 23 import android.renderscript.RenderScript; 24 import android.renderscript.Allocation; 25 import android.widget.ImageView; 26 27 public class HelloCompute extends Activity { 28 private Bitmap mBitmapIn; 29 private Bitmap mBitmapOut; 30 31 private RenderScript mRS; 32 private Allocation mInAllocation; 33 private Allocation mOutAllocation; 34 private ScriptC_mono mScript; 35 36 @Override 37 protected void onCreate(Bundle savedInstanceState) { 38 super.onCreate(savedInstanceState); 39 setContentView(R.layout.main); 40 41 mBitmapIn = loadBitmap(R.drawable.data); 42 mBitmapOut = Bitmap.createBitmap(mBitmapIn.getWidth(), mBitmapIn.getHeight(), 43 mBitmapIn.getConfig()); 44 45 ImageView in = (ImageView) findViewById(R.id.displayin); 46 in.setImageBitmap(mBitmapIn); 47 48 ImageView out = (ImageView) findViewById(R.id.displayout); 49 out.setImageBitmap(mBitmapOut); 50 51 createScript(); 52 } 53 54 55 private void createScript() { 56 mRS = RenderScript.create(this); 57 58 mInAllocation = Allocation.createFromBitmap(mRS, mBitmapIn, 59 Allocation.MipmapControl.MIPMAP_NONE, 60 Allocation.USAGE_SCRIPT); 61 mOutAllocation = Allocation.createFromBitmap(mRS, mBitmapOut, 62 Allocation.MipmapControl.MIPMAP_NONE, 63 Allocation.USAGE_SCRIPT); 64 65 mScript = new ScriptC_mono(mRS); 66 67 mScript.forEach_root(mInAllocation, mOutAllocation); 68 mOutAllocation.copyTo(mBitmapOut); 69 } 70 71 private Bitmap loadBitmap(int resource) { 72 final BitmapFactory.Options options = new BitmapFactory.Options(); 73 options.inPreferredConfig = Bitmap.Config.ARGB_8888; 74 return BitmapFactory.decodeResource(getResources(), resource, options); 75 } 76 } 77
