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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 android.renderscript.RSRuntimeException;
     23 import java.util.Random;
     24 
     25 public class GetElementAt extends RSBaseCompute {
     26     static final int TEST_ID_X = 0;
     27     static final int TEST_ID_XY = 1;
     28     private Allocation mOut;
     29     private Allocation gIn;
     30     private int[] in;
     31     private int[] out;
     32     ScriptC_get_element_at_x script_x;
     33     ScriptC_get_element_at_x_y script_xy;
     34 
     35     @Override
     36     public void forEach(int testId, Allocation mOut) throws RSRuntimeException {
     37         switch (testId) {
     38         case TEST_ID_X:
     39             script_x.forEach_root(mOut);
     40             break;
     41         case TEST_ID_XY:
     42             script_xy.forEach_root(mOut);
     43             break;
     44         }
     45     }
     46 
     47     private void setupArrays(int size) {
     48         Random random = new Random(0x12345678);
     49         in = new int[size];
     50         for (int i = 0; i < size; ++i) {
     51             in[i] = random.nextInt(100);
     52         }
     53         out = new int[size];
     54     }
     55 
     56     public void testX () {
     57         setupArrays(INPUTSIZE);
     58         script_x = new ScriptC_get_element_at_x(mRS);
     59         gIn = Allocation.createSized(mRS, Element.U32(mRS), INPUTSIZE);
     60         gIn.copyFrom(in);
     61         mOut = Allocation.createTyped(mRS, gIn.getType());
     62         script_x.set_gIn(gIn);
     63         try {
     64             forEach(TEST_ID_X, mOut);
     65         } catch (RSRuntimeException e) {
     66         }
     67         mOut.copyTo(out);
     68         for (int k = 0; k < INPUTSIZE; ++k) {
     69             assertEquals("idx = " + k, in[k], out[k]);
     70         }
     71     }
     72 
     73     public void testXY () {
     74         setupArrays(INPUTSIZE*INPUTSIZE);
     75         script_xy = new ScriptC_get_element_at_x_y(mRS);
     76         Type.Builder builder = new Type.Builder(mRS, Element.U32(mRS));
     77         builder.setX(INPUTSIZE);
     78         builder.setY(INPUTSIZE);
     79         Type type = builder.create();
     80         gIn = Allocation.createTyped(mRS, type);
     81         gIn.copyFrom(in);
     82         mOut = Allocation.createTyped(mRS, gIn.getType());
     83         script_xy.set_gIn(gIn);
     84         try {
     85             forEach(TEST_ID_XY, mOut);
     86         } catch (RSRuntimeException e) {
     87         }
     88         mOut.copyTo(out);
     89         for (int k = 0; k < INPUTSIZE*INPUTSIZE; ++k) {
     90             assertEquals("idx = " + k, in[k], out[k]);
     91         }
     92     }
     93 }
     94