Convolve3x3.java revision 572a5031a5d8602db0bec0b253428a034bd4dd59 
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.image;
18
19import java.lang.Math;
20
21import android.renderscript.Allocation;
22import android.renderscript.Element;
23import android.renderscript.Matrix4f;
24import android.renderscript.RenderScript;
25import android.renderscript.Script;
26import android.renderscript.ScriptC;
27import android.renderscript.ScriptGroup;
28import android.renderscript.ScriptIntrinsicConvolve3x3;
29import android.renderscript.Type;
30import android.util.Log;
31
32public class Convolve3x3 extends TestBase {
33    private ScriptC_convolve3x3 mScript;
34    private ScriptIntrinsicConvolve3x3 mIntrinsic;
35
36    private int mWidth;
37    private int mHeight;
38    private boolean mUseIntrinsic;
39
40    public Convolve3x3(boolean useIntrinsic) {
41        mUseIntrinsic = useIntrinsic;
42    }
43
44    public void createTest(android.content.res.Resources res) {
45        mWidth = mInPixelsAllocation.getType().getX();
46        mHeight = mInPixelsAllocation.getType().getY();
47
48        float f[] = new float[9];
49        f[0] =  0.f;    f[1] = -1.f;    f[2] =  0.f;
50        f[3] = -1.f;    f[4] =  5.f;    f[5] = -1.f;
51        f[6] =  0.f;    f[7] = -1.f;    f[8] =  0.f;
52
53        if (mUseIntrinsic) {
54            mIntrinsic = ScriptIntrinsicConvolve3x3.create(mRS, Element.U8_4(mRS));
55            mIntrinsic.setCoefficients(f);
56            mIntrinsic.setInput(mInPixelsAllocation);
57        } else {
58            mScript = new ScriptC_convolve3x3(mRS, res, R.raw.convolve3x3);
59            mScript.set_gCoeffs(f);
60            mScript.set_gIn(mInPixelsAllocation);
61            mScript.set_gWidth(mWidth);
62            mScript.set_gHeight(mHeight);
63        }
64    }
65
66    public void runTest() {
67        if (mUseIntrinsic) {
68            mIntrinsic.forEach(mOutPixelsAllocation);
69        } else {
70            mScript.forEach_root(mOutPixelsAllocation);
71        }
72    }
73
74}
75