5ec22387ff
Change-Id: I08b4a7bc088705b93a0aa680f6733d09c7ad23dd Reviewed-on: https://skia-review.googlesource.com/c/skia/+/354221 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Mike Reed <reed@google.com>
83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "bench/Benchmark.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkImage.h"
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#include "include/core/SkMatrix.h"
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#include "include/core/SkPaint.h"
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#include "include/core/SkString.h"
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#include "include/core/SkSurface.h"
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/**
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* This bench measures the rendering time of SkCanvas::drawBitmap with different anti-aliasing /
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* matrix combinations.
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*/
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class DrawBitmapAABench : public Benchmark {
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public:
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DrawBitmapAABench(bool doAA, const SkMatrix& matrix, const char name[])
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: fMatrix(matrix)
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, fName("draw_bitmap_") {
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fPaint.setAntiAlias(doAA);
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fName.appendf("%s_%s", doAA ? "aa" : "noaa", name);
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}
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protected:
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const char* onGetName() override {
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return fName.c_str();
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}
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void onDelayedSetup() override {
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auto surf = SkSurface::MakeRasterN32Premul(200, 200);
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surf->getCanvas()->clear(0xFF00FF00);
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fImage = surf->makeImageSnapshot();
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}
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void onDraw(int loops, SkCanvas* canvas) override {
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SkSamplingOptions sampling(SkFilterMode::kLinear);
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canvas->concat(fMatrix);
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for (int i = 0; i < loops; i++) {
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canvas->drawImage(fImage.get(), 0, 0, sampling, &fPaint);
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}
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}
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private:
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SkPaint fPaint;
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SkMatrix fMatrix;
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SkString fName;
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sk_sp<SkImage> fImage;
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using INHERITED = Benchmark;
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};
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DEF_BENCH( return new DrawBitmapAABench(false, SkMatrix::I(), "ident"); )
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DEF_BENCH( return new DrawBitmapAABench(false, SkMatrix::Scale(1.17f, 1.17f), "scale"); )
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DEF_BENCH( return new DrawBitmapAABench(false, SkMatrix::Translate(17.5f, 17.5f), "translate"); )
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DEF_BENCH(
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SkMatrix m;
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m.reset();
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m.preRotate(15);
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return new DrawBitmapAABench(false, m, "rotate");
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)
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DEF_BENCH( return new DrawBitmapAABench(true, SkMatrix::I(), "ident"); )
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DEF_BENCH( return new DrawBitmapAABench(true, SkMatrix::Scale(1.17f, 1.17f), "scale"); )
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DEF_BENCH( return new DrawBitmapAABench(true, SkMatrix::Translate(17.5f, 17.5f), "translate"); )
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DEF_BENCH(
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SkMatrix m;
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m.reset();
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m.preRotate(15);
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return new DrawBitmapAABench(true, m, "rotate");
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)
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