1c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez/* 2c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez * Copyright 2014 Google Inc. 3c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez * 4c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez * Use of this source code is governed by a BSD-style license that can be 5c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez * found in the LICENSE file. 6c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez */ 7c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 8c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez#include "Benchmark.h" 9c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez#include "SkBitmap.h" 10c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez#include "SkCanvas.h" 11c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez#include "SkColorFilterImageFilter.h" 12c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez#include "SkColorMatrixFilter.h" 13c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez#include "SkGradientShader.h" 14c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez#include "SkImageFilter.h" 15c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez#include "SkTableColorFilter.h" 16c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 17c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez// Chains several matrix color filters image filter or several 18c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez// table filter image filters and draws a bitmap. 19c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez// This bench shows an improvement in performance and memory 20c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez// when collapsing matrices or tables is implemented since all 21c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez// the passes are collapsed in one. 22c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 23c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezclass BaseImageFilterCollapseBench : public Benchmark { 24c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezpublic: 255605b56afa5bd89f3148b397318b616fccfd4004robertphillips BaseImageFilterCollapseBench() {} 26c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 27c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezprotected: 28d053ce9c54d4e5937a142278359e5a4cde18095ereed void doPreDraw(sk_sp<SkColorFilter> colorFilters[], int nFilters) { 295605b56afa5bd89f3148b397318b616fccfd4004robertphillips SkASSERT(!fImageFilter); 305605b56afa5bd89f3148b397318b616fccfd4004robertphillips 31c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez // Create a chain of ImageFilters from colorFilters 32c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez for(int i = nFilters; i --> 0;) { 335605b56afa5bd89f3148b397318b616fccfd4004robertphillips fImageFilter = SkColorFilterImageFilter::Make(colorFilters[i], fImageFilter); 34c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 35c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 36c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 37a1ebeb25e9acfcd801e089e063311d716b83b8a5mtklein void onDraw(int loops, SkCanvas* canvas) override { 38c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez makeBitmap(); 39c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 40c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez for(int i = 0; i < loops; i++) { 41c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SkPaint paint; 42c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez paint.setImageFilter(fImageFilter); 43c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez canvas->drawBitmap(fBitmap, 0, 0, &paint); 44c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 45c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 46c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 47c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezprivate: 485605b56afa5bd89f3148b397318b616fccfd4004robertphillips sk_sp<SkImageFilter> fImageFilter; 49c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SkBitmap fBitmap; 50c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 51c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez void makeBitmap() { 52c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez int W = 400; 53c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez int H = 400; 54c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez fBitmap.allocN32Pixels(W, H); 55c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez fBitmap.eraseColor(SK_ColorTRANSPARENT); 56c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 57c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SkCanvas canvas(fBitmap); 58c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SkPaint paint; 59c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SkPoint pts[] = { {0, 0}, {SkIntToScalar(W), SkIntToScalar(H)} }; 60c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SkColor colors[] = { 61c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SK_ColorBLACK, SK_ColorGREEN, SK_ColorCYAN, 62c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SK_ColorRED, 0, SK_ColorBLUE, SK_ColorWHITE 63c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez }; 64c6f28f7f0e788dc43cad4494e277e9ad7b958b6ereed paint.setShader(SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors), 65c6f28f7f0e788dc43cad4494e277e9ad7b958b6ereed SkShader::kClamp_TileMode)); 66c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez canvas.drawPaint(paint); 67c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 68c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez}; 69c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 70c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezclass TableCollapseBench: public BaseImageFilterCollapseBench { 71c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezprotected: 72d053ce9c54d4e5937a142278359e5a4cde18095ereed const char* onGetName() override { 73c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez return "image_filter_collapse_table"; 74c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 75c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 76d053ce9c54d4e5937a142278359e5a4cde18095ereed void onDelayedSetup() override { 77c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez for (int i = 0; i < 256; ++i) { 78c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez int n = i >> 5; 79c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez table1[i] = (n << 5) | (n << 2) | (n >> 1); 80c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 81c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez table2[i] = i * i / 255; 82c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 83c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez float fi = i / 255.0f; 84c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez table3[i] = static_cast<uint8_t>(sqrtf(fi) * 255); 85c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 86c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 87d053ce9c54d4e5937a142278359e5a4cde18095ereed sk_sp<SkColorFilter> colorFilters[] = { 88d053ce9c54d4e5937a142278359e5a4cde18095ereed SkTableColorFilter::Make(table1), 89d053ce9c54d4e5937a142278359e5a4cde18095ereed SkTableColorFilter::Make(table2), 90d053ce9c54d4e5937a142278359e5a4cde18095ereed SkTableColorFilter::Make(table3), 91c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez }; 92c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 935605b56afa5bd89f3148b397318b616fccfd4004robertphillips this->doPreDraw(colorFilters, SK_ARRAY_COUNT(colorFilters)); 94c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 95c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 96c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezprivate: 97c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez uint8_t table1[256], table2[256], table3[256]; 98c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez}; 99c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 100d053ce9c54d4e5937a142278359e5a4cde18095ereedstatic sk_sp<SkColorFilter> make_brightness(float amount) { 101df85c38163245c7fc3c23cad3a4ad104949f3a62Mike Reed SkScalar amount255 = amount * 255; 102c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SkScalar matrix[20] = { 1, 0, 0, 0, amount255, 103c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 0, 1, 0, 0, amount255, 104c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 0, 0, 1, 0, amount255, 105c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 0, 0, 0, 1, 0 }; 106d053ce9c54d4e5937a142278359e5a4cde18095ereed return SkColorFilter::MakeMatrixFilterRowMajor255(matrix); 107c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez} 108c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 109d053ce9c54d4e5937a142278359e5a4cde18095ereedstatic sk_sp<SkColorFilter> make_grayscale() { 110c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez SkScalar matrix[20]; 111c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez memset(matrix, 0, 20 * sizeof(SkScalar)); 112c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez matrix[0] = matrix[5] = matrix[10] = 0.2126f; 113c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez matrix[1] = matrix[6] = matrix[11] = 0.7152f; 114c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez matrix[2] = matrix[7] = matrix[12] = 0.0722f; 115c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez matrix[18] = 1.0f; 116d053ce9c54d4e5937a142278359e5a4cde18095ereed return SkColorFilter::MakeMatrixFilterRowMajor255(matrix); 117c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez} 118c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 119c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezclass MatrixCollapseBench: public BaseImageFilterCollapseBench { 120c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezprotected: 121d053ce9c54d4e5937a142278359e5a4cde18095ereed const char* onGetName() override { 122c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez return "image_filter_collapse_matrix"; 123c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 124c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 125d053ce9c54d4e5937a142278359e5a4cde18095ereed void onDelayedSetup() override { 126d053ce9c54d4e5937a142278359e5a4cde18095ereed sk_sp<SkColorFilter> colorFilters[] = { 127c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez make_brightness(0.1f), 128c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez make_grayscale(), 129c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez make_brightness(-0.1f), 130c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez }; 131c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 1325605b56afa5bd89f3148b397318b616fccfd4004robertphillips this->doPreDraw(colorFilters, SK_ARRAY_COUNT(colorFilters)); 133c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez } 134c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez}; 135c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallez 136c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezDEF_BENCH(return new TableCollapseBench;) 137c12b74dc413ef024b13e0ed478491c4b1bafe6b1cwallezDEF_BENCH(return new MatrixCollapseBench;) 138