| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "Benchmark.h" |
| #include "SkBlurImageFilter.h" |
| #include "SkCanvas.h" |
| #include "SkPaint.h" |
| #include "SkRandom.h" |
| #include "SkShader.h" |
| #include "SkString.h" |
| |
| #define FILTER_WIDTH_SMALL 32 |
| #define FILTER_HEIGHT_SMALL 32 |
| #define FILTER_WIDTH_LARGE 256 |
| #define FILTER_HEIGHT_LARGE 256 |
| #define BLUR_SIGMA_MINI 0.5f |
| #define BLUR_SIGMA_SMALL 1.0f |
| #define BLUR_SIGMA_LARGE 10.0f |
| #define BLUR_SIGMA_HUGE 80.0f |
| |
| class BlurImageFilterBench : public Benchmark { |
| public: |
| BlurImageFilterBench(SkScalar sigmaX, SkScalar sigmaY, bool small) : |
| fIsSmall(small), fInitialized(false), fSigmaX(sigmaX), fSigmaY(sigmaY) { |
| fName.printf("blur_image_filter_%s_%.2f_%.2f", fIsSmall ? "small" : "large", |
| SkScalarToFloat(sigmaX), SkScalarToFloat(sigmaY)); |
| } |
| |
| protected: |
| virtual const char* onGetName() SK_OVERRIDE { |
| return fName.c_str(); |
| } |
| |
| virtual void onPreDraw() SK_OVERRIDE { |
| if (!fInitialized) { |
| make_checkerboard(); |
| fInitialized = true; |
| } |
| } |
| |
| virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { |
| SkPaint paint; |
| paint.setImageFilter(SkBlurImageFilter::Create(fSigmaX, fSigmaY))->unref(); |
| |
| for (int i = 0; i < loops; i++) { |
| canvas->drawBitmap(fCheckerboard, 0, 0, &paint); |
| } |
| } |
| |
| private: |
| void make_checkerboard() { |
| const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE; |
| const int h = fIsSmall ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE; |
| fCheckerboard.allocN32Pixels(w, h); |
| SkCanvas canvas(fCheckerboard); |
| canvas.clear(0x00000000); |
| SkPaint darkPaint; |
| darkPaint.setColor(0xFF804020); |
| SkPaint lightPaint; |
| lightPaint.setColor(0xFF244484); |
| for (int y = 0; y < h; y += 16) { |
| for (int x = 0; x < w; x += 16) { |
| canvas.save(); |
| canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); |
| canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); |
| canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); |
| canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); |
| canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); |
| canvas.restore(); |
| } |
| } |
| } |
| |
| SkString fName; |
| bool fIsSmall; |
| bool fInitialized; |
| SkBitmap fCheckerboard; |
| SkScalar fSigmaX, fSigmaY; |
| typedef Benchmark INHERITED; |
| }; |
| |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, 0, false);) |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, 0, false);) |
| DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_LARGE, false);) |
| DEF_BENCH(return new BlurImageFilterBench(0, BLUR_SIGMA_SMALL, false);) |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, true);) |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_MINI, BLUR_SIGMA_MINI, false);) |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, true);) |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_SMALL, BLUR_SIGMA_SMALL, false);) |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, true);) |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_LARGE, BLUR_SIGMA_LARGE, false);) |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, true);) |
| DEF_BENCH(return new BlurImageFilterBench(BLUR_SIGMA_HUGE, BLUR_SIGMA_HUGE, false);) |