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
17package com.android.rs.rsov.test;
18
19import android.content.Context;
20import android.renderscript.Allocation;
21import android.renderscript.Element;
22import android.renderscript.RenderScript;
23import android.renderscript.Type;
24import android.util.Log;
25
26public class UT_modulo extends UnitTest {
27    private Allocation A;
28    private Allocation B;
29    private final int X = 96;
30    private final int Y = 64;
31
32    protected UT_modulo(RSoVTestCore rstc, Context ctx) {
33        super(rstc, "modulo", ctx);
34    }
35
36    private void initializeGlobals(RenderScript RS, ScriptC_modulo s) {
37        Type.Builder typeBuilder = new Type.Builder(RS, Element.I32(RS));
38        typeBuilder.setX(X);
39        typeBuilder.setY(Y);
40
41        A = Allocation.createTyped(RS, typeBuilder.create());
42        B = Allocation.createTyped(RS, typeBuilder.create());
43        return;
44    }
45
46    public void run() {
47        RenderScript pRS = RenderScript.create(mCtx);
48        ScriptC_modulo s = new ScriptC_modulo(pRS);
49
50        initializeGlobals(pRS, s);
51
52        int a[] = new int[X*Y];
53        int b[] = new int[X*Y];
54
55        java.util.Random rand = new java.util.Random();
56
57        for (int i = 0; i < X * Y; i++) {
58            a[i] = rand.nextInt(65536);
59        }
60
61        A.copyFrom(a);
62
63        s.forEach_modulo(A, B);
64
65        B.copyTo(b);
66
67        pRS.finish();
68        pRS.destroy();
69
70        boolean failed = false;
71        for (int i = 0; i < X * Y; i++) {
72            int expected = a[i] % 256;
73            if (b[i] != expected) {
74                Log.e(name, "expects " + expected + " got " + b[i]);
75                failed = true;
76                break;
77            }
78        }
79
80        if (failed) {
81            failTest();
82        } else {
83            passTest();
84        }
85    }
86}
87