1/* 2 * Copyright (C) 2013 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.*; 22import android.util.Log; 23 24public class Histogram extends TestBase { 25 private ScriptC_histogram mScript; 26 private ScriptIntrinsicHistogram mHist; 27 private Allocation mSum; 28 private Allocation mSums; 29 private boolean mUseIntrinsic; 30 31 public Histogram(boolean useIntrisic) { 32 mUseIntrinsic = useIntrisic; 33 } 34 35 36 public void createTest(android.content.res.Resources res) { 37 mScript = new ScriptC_histogram(mRS); 38 mHist = ScriptIntrinsicHistogram.create(mRS, Element.U8_4(mRS)); 39 40 int w = mInPixelsAllocation.getType().getX(); 41 int h = mInPixelsAllocation.getType().getY(); 42 int step = 8; 43 int steps = (h + step - 1) / step; 44 45 mScript.set_gWidth(w); 46 mScript.set_gHeight(h); 47 mScript.set_gStep(step); 48 mScript.set_gSteps(steps); 49 50 Type.Builder tb = new Type.Builder(mRS, Element.I32(mRS)); 51 tb.setX(256).setY(steps); 52 Type t = tb.create(); 53 mSums = Allocation.createTyped(mRS, t); 54 mSum = Allocation.createSized(mRS, Element.I32(mRS), 256); 55 56 mScript.set_gSums(mSums); 57 mScript.set_gSum(mSum); 58 mScript.set_gSrc(mInPixelsAllocation); 59 mScript.set_gDest(mOutPixelsAllocation); 60 61 mScript.forEach_clear(mOutPixelsAllocation); 62 } 63 64 65 66 public void runTest() { 67 Script.LaunchOptions lo = new Script.LaunchOptions(); 68 69 if (mUseIntrinsic) { 70 mHist.setOutput(mSum); 71 mHist.forEach_Dot(mInPixelsAllocation); 72 } else { 73 lo.setX(0, mSums.getType().getY()); 74 mScript.forEach_pass1(lo); 75 mScript.forEach_pass2(mSum); 76 } 77 78 mScript.invoke_rescale(); 79 lo.setX(0, 1024); 80 mScript.forEach_draw(mOutPixelsAllocation, lo); 81 } 82 83} 84