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
17package com.android.rs.imagejb;
18
19import java.lang.Math;
20
21import android.renderscript.Allocation;
22import android.renderscript.Element;
23import android.renderscript.RenderScript;
24import android.renderscript.ScriptIntrinsicLUT;
25import android.util.Log;
26
27public class CrossProcess extends TestBase {
28    private ScriptIntrinsicLUT mIntrinsic;
29
30    public void createTest(android.content.res.Resources res) {
31        mIntrinsic = ScriptIntrinsicLUT.create(mRS, Element.U8_4(mRS));
32        for (int ct=0; ct < 256; ct++) {
33            float f = ((float)ct) / 255.f;
34
35            float r = f;
36            if (r < 0.5f) {
37                r = 4.0f * r * r * r;
38            } else {
39                r = 1.0f - r;
40                r = 1.0f - (4.0f * r * r * r);
41            }
42            mIntrinsic.setRed(ct, (int)(r * 255.f + 0.5f));
43
44            float g = f;
45            if (g < 0.5f) {
46                g = 2.0f * g * g;
47            } else {
48                g = 1.0f - g;
49                g = 1.0f - (2.0f * g * g);
50            }
51            mIntrinsic.setGreen(ct, (int)(g * 255.f + 0.5f));
52
53            float b = f * 0.5f + 0.25f;
54            mIntrinsic.setBlue(ct, (int)(b * 255.f + 0.5f));
55        }
56
57    }
58
59    public void runTest() {
60        mIntrinsic.forEach(mInPixelsAllocation, mOutPixelsAllocation);
61    }
62
63}
64