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.image; 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 30 public void createTest(android.content.res.Resources res) { 31 mScript = new ScriptC_histogram(mRS); 32 mHist = ScriptIntrinsicHistogram.create(mRS, Element.U8_4(mRS)); 33 34 int w = mInPixelsAllocation.getType().getX(); 35 int h = mInPixelsAllocation.getType().getY(); 36 int step = 8; 37 int steps = (h + step - 1) / step; 38 39 mScript.set_gWidth(w); 40 mScript.set_gHeight(h); 41 mScript.set_gStep(step); 42 mScript.set_gSteps(steps); 43 44 Type.Builder tb = new Type.Builder(mRS, Element.I32(mRS)); 45 tb.setX(256).setY(steps); 46 Type t = tb.create(); 47 mSums = Allocation.createTyped(mRS, t); 48 mSum = Allocation.createSized(mRS, Element.I32(mRS), 256); 49 50 mScript.set_gSums(mSums); 51 mScript.set_gSum(mSum); 52 mScript.set_gSrc(mInPixelsAllocation); 53 mScript.set_gDest(mOutPixelsAllocation); 54 55 mScript.forEach_clear(mOutPixelsAllocation); 56 } 57 58 59 60 public void runTest() { 61 Script.LaunchOptions lo = new Script.LaunchOptions(); 62 lo.setX(0, 1); 63 //mScript.forEach_pass1(mSums, lo); 64 //mScript.forEach_pass2(mSum); 65 66 mHist.setOutput(mSum); 67 mHist.forEach_Dot(mInPixelsAllocation); 68 69 mScript.invoke_rescale(); 70 71 lo.setX(0, 1024); 72 mScript.forEach_draw(mOutPixelsAllocation, lo); 73 } 74 75} 76