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      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 android.renderscript.cts;
     18 
     19 import android.renderscript.Allocation;
     20 import android.renderscript.Element;
     21 import android.renderscript.Type;
     22 import java.util.Random;
     23 
     24 public class AllocationCopy2DRangeTest extends RSBaseCompute {
     25     private Allocation mInAllocation;
     26     private Allocation mOutAllocation;
     27 
     28     public void testAllocationCopy2DRange() {
     29         ScriptC_allocationCopy2DRange mScript =
     30                 new ScriptC_allocationCopy2DRange(mRS);
     31         Random random = new Random(0x172d8ab9);
     32         int width = random.nextInt(512);
     33         int height = random.nextInt(512);
     34 
     35         int[] inArray = new int[width * height];
     36         int[] outArray = new int[width * height];
     37 
     38         for (int i = 0; i < width * height; i++) {
     39             inArray[i] = random.nextInt();
     40         }
     41 
     42         // Create 2D data.
     43         Type.Builder typeBuilder = new Type.Builder(mRS, Element.I32(mRS));
     44         typeBuilder.setX(width).setY(height);
     45         mInAllocation = Allocation.createTyped(mRS, typeBuilder.create());
     46         mOutAllocation = Allocation.createTyped(mRS, mInAllocation.getType());
     47         mInAllocation.copy2DRangeFrom(0, 0, width, height, inArray);
     48 
     49         mScript.set_height(height);
     50         mScript.set_width(width);
     51         mScript.set_mIn(mInAllocation);
     52         mScript.set_mOut(mOutAllocation);
     53 
     54         mScript.invoke_testAllocationCopy2DRange();
     55         mOutAllocation.copyTo(outArray);
     56         assertTrue("testAllocationCopy2DRange failed, output array does not match input",
     57                 compareTwoArrays(inArray, outArray, width*height));
     58 
     59         mInAllocation.destroy();
     60         mOutAllocation.destroy();
     61     }
     62 
     63     private boolean compareTwoArrays(int[] src, int[] dest, int size) {
     64         boolean result = true;
     65         for (int i = 0; i < size; i++) {
     66             if (src[i] != dest[i]) {
     67                 result = false;
     68                 break;
     69             }
     70         }
     71         return result;
     72     }
     73 }
     74