1 /* 2 * Copyright (C) 2016 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.branchingfuncalls; 18 19 import android.app.Activity; 20 import android.os.Bundle; 21 import android.renderscript.*; 22 23 public class MainActivity extends Activity { 24 private RenderScript mRS; 25 private Allocation mInAllocation; 26 private Allocation mOutAllocation; 27 private ScriptC_scalars mScript; 28 private int mAllocSize = 256; 29 30 @Override 31 protected void onCreate(Bundle savedInstanceState) { 32 super.onCreate(savedInstanceState); 33 34 setContentView(R.layout.main_layout); 35 createScript(); 36 runScript(); 37 } 38 39 private void createScript() { 40 mRS = RenderScript.create(this, 41 RenderScript.ContextType.NORMAL, 42 RenderScript.CREATE_FLAG_LOW_LATENCY | 43 RenderScript.CREATE_FLAG_WAIT_FOR_ATTACH); 44 45 Element e = Element.I32(mRS); 46 mInAllocation = Allocation.createSized(mRS, e, mAllocSize); 47 mOutAllocation = Allocation.createSized(mRS, e, mAllocSize); 48 49 mScript = new ScriptC_scalars(mRS); 50 } 51 52 private void runScript() { 53 mScript.invoke_addToGlobal(234); 54 55 int[] init = new int[mAllocSize]; 56 for(int i = 0; i < mAllocSize; ++i) { 57 init[i] = i - (mAllocSize / 2); 58 } 59 mInAllocation.copy1DRangeFrom(0, mAllocSize, init); 60 mScript.forEach_simple_kernel(mInAllocation, mOutAllocation); 61 } 62 } 63 64
