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- /*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "bench/Benchmark.h"
- #include "include/core/SkBitmap.h"
- #include "include/core/SkCanvas.h"
- #include "include/core/SkMatrix.h"
- #include "include/core/SkPaint.h"
- #include "include/core/SkString.h"
- /**
- * This bench measures the rendering time of SkCanvas::drawBitmap with different anti-aliasing /
- * matrix combinations.
- */
- class DrawBitmapAABench : public Benchmark {
- public:
- DrawBitmapAABench(bool doAA, const SkMatrix& matrix, const char name[])
- : fMatrix(matrix)
- , fName("draw_bitmap_") {
- fPaint.setAntiAlias(doAA);
- // Most clients use filtering, so let's focus on this for now.
- fPaint.setFilterQuality(kLow_SkFilterQuality);
- fName.appendf("%s_%s", doAA ? "aa" : "noaa", name);
- }
- protected:
- const char* onGetName() override {
- return fName.c_str();
- }
- void onDelayedSetup() override {
- fBitmap.allocN32Pixels(200, 200);
- fBitmap.eraseARGB(255, 0, 255, 0);
- }
- void onDraw(int loops, SkCanvas* canvas) override {
- canvas->concat(fMatrix);
- for (int i = 0; i < loops; i++) {
- canvas->drawBitmap(fBitmap, 0, 0, &fPaint);
- }
- }
- private:
- SkPaint fPaint;
- SkMatrix fMatrix;
- SkString fName;
- SkBitmap fBitmap;
- typedef Benchmark INHERITED;
- };
- DEF_BENCH( return new DrawBitmapAABench(false, SkMatrix::MakeScale(1), "ident"); )
- DEF_BENCH( return new DrawBitmapAABench(false, SkMatrix::MakeScale(1.17f), "scale"); )
- DEF_BENCH( return new DrawBitmapAABench(false, SkMatrix::MakeTrans(17.5f, 17.5f), "translate"); )
- DEF_BENCH(
- SkMatrix m;
- m.reset();
- m.preRotate(15);
- return new DrawBitmapAABench(false, m, "rotate");
- )
- DEF_BENCH( return new DrawBitmapAABench(true, SkMatrix::MakeScale(1), "ident"); )
- DEF_BENCH( return new DrawBitmapAABench(true, SkMatrix::MakeScale(1.17f), "scale"); )
- DEF_BENCH( return new DrawBitmapAABench(true, SkMatrix::MakeTrans(17.5f, 17.5f), "translate"); )
- DEF_BENCH(
- SkMatrix m;
- m.reset();
- m.preRotate(15);
- return new DrawBitmapAABench(true, m, "rotate");
- )
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