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.image2; 18 19import java.lang.Math; 20 21import android.support.v8.renderscript.*; 22import android.util.Log; 23 24public class Convolve5x5 extends TestBase { 25 private ScriptC_convolve5x5 mScript; 26 private ScriptIntrinsicConvolve5x5 mIntrinsic; 27 28 private int mWidth; 29 private int mHeight; 30 private boolean mUseIntrinsic; 31 32 public Convolve5x5(boolean useIntrinsic) { 33 mUseIntrinsic = useIntrinsic; 34 } 35 36 private float blend(float v1, float v2, float p) { 37 return (v2 * p) + (v1 * (1.f-p)); 38 } 39 40 private float[] updateMatrix(float str) { 41 float f[] = new float[25]; 42 final float f125 = 1.f / 25.f; 43 float cf1 = blend(f125, -1.f, str); 44 float cf2 = blend(f125, -3.f, str); 45 float cf3 = blend(f125, -4.f, str); 46 float cf4 = blend(f125, 6.f, str); 47 float cf5 = blend(f125, 20.f, str); 48 float cf6 = blend(f125, 0.f, str); 49 f[0] = cf1; f[1] = cf2; f[2] = cf3; f[3] = cf2; f[4] = cf1; 50 f[5] = cf2; f[6] = cf6; f[7] = cf4; f[8] = cf6; f[9] = cf2; 51 f[10]= cf3; f[11]= cf4; f[12]= cf5; f[13]= cf4; f[14]= cf3; 52 f[15]= cf2; f[16]= cf6; f[17]= cf4; f[18]= cf6; f[19]= cf2; 53 f[20]= cf1; f[21]= cf2; f[22]= cf3; f[23]= cf2; f[24]= cf1; 54 return f; 55 } 56 57 58 public void createTest(android.content.res.Resources res) { 59 mWidth = mInPixelsAllocation.getType().getX(); 60 mHeight = mInPixelsAllocation.getType().getY(); 61 62 float f[] = updateMatrix(1.f); 63 //f[0] = 0.012f; f[1] = 0.025f; f[2] = 0.031f; f[3] = 0.025f; f[4] = 0.012f; 64 //f[5] = 0.025f; f[6] = 0.057f; f[7] = 0.075f; f[8] = 0.057f; f[9] = 0.025f; 65 //f[10]= 0.031f; f[11]= 0.075f; f[12]= 0.095f; f[13]= 0.075f; f[14]= 0.031f; 66 //f[15]= 0.025f; f[16]= 0.057f; f[17]= 0.075f; f[18]= 0.057f; f[19]= 0.025f; 67 //f[20]= 0.012f; f[21]= 0.025f; f[22]= 0.031f; f[23]= 0.025f; f[24]= 0.012f; 68 69 //f[0] = 1.f; f[1] = 2.f; f[2] = 0.f; f[3] = -2.f; f[4] = -1.f; 70 //f[5] = 4.f; f[6] = 8.f; f[7] = 0.f; f[8] = -8.f; f[9] = -4.f; 71 //f[10]= 6.f; f[11]=12.f; f[12]= 0.f; f[13]=-12.f; f[14]= -6.f; 72 //f[15]= 4.f; f[16]= 8.f; f[17]= 0.f; f[18]= -8.f; f[19]= -4.f; 73 //f[20]= 1.f; f[21]= 2.f; f[22]= 0.f; f[23]= -2.f; f[24]= -1.f; 74 75 if (mUseIntrinsic) { 76 mIntrinsic = ScriptIntrinsicConvolve5x5.create(mRS, Element.U8_4(mRS)); 77 mIntrinsic.setCoefficients(f); 78 mIntrinsic.setInput(mInPixelsAllocation); 79 } else { 80 mScript = new ScriptC_convolve5x5(mRS); 81 mScript.set_gCoeffs(f); 82 mScript.set_gIn(mInPixelsAllocation); 83 mScript.set_gWidth(mWidth); 84 mScript.set_gHeight(mHeight); 85 } 86 } 87 88 public void animateBars(float time) { 89 float f[] = updateMatrix(time % 1.f); 90 if (mUseIntrinsic) { 91 mIntrinsic.setCoefficients(f); 92 } else { 93 mScript.set_gCoeffs(f); 94 } 95 } 96 97 public void runTest() { 98 if (mUseIntrinsic) { 99 mIntrinsic.forEach(mOutPixelsAllocation); 100 } else { 101 mScript.forEach_root(mOutPixelsAllocation); 102 } 103 } 104 105} 106