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68 lines
2.0 KiB
68 lines
2.0 KiB
/*
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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/SkBitmap.h"
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#include "src/core/SkMipmap.h"
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class MipmapBench: public Benchmark {
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SkBitmap fBitmap;
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SkString fName;
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const int fW, fH;
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bool fHalfFoat;
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public:
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MipmapBench(int w, int h, bool halfFloat = false)
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: fW(w), fH(h), fHalfFoat(halfFloat)
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{
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fName.printf("mipmap_build_%dx%d", w, h);
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if (halfFloat) {
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fName.append("_f16");
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}
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}
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protected:
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bool isSuitableFor(Backend backend) override {
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return kNonRendering_Backend == backend;
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}
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const char* onGetName() override { return fName.c_str(); }
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void onDelayedSetup() override {
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SkColorType ct = fHalfFoat ? kRGBA_F16_SkColorType : kN32_SkColorType;
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SkImageInfo info = SkImageInfo::Make(fW, fH, ct, kPremul_SkAlphaType,
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SkColorSpace::MakeSRGB());
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fBitmap.allocPixels(info);
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fBitmap.eraseColor(SK_ColorWHITE); // so we don't read uninitialized memory
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}
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void onDraw(int loops, SkCanvas*) override {
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for (int i = 0; i < loops * 4; i++) {
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SkMipmap::Build(fBitmap, nullptr)->unref();
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}
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}
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private:
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using INHERITED = Benchmark;
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};
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// Build variants that exercise the width and heights being even or odd at each level, as the
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// impl specializes on each of these.
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//
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DEF_BENCH( return new MipmapBench(511, 511); )
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DEF_BENCH( return new MipmapBench(512, 511); )
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DEF_BENCH( return new MipmapBench(511, 512); )
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DEF_BENCH( return new MipmapBench(512, 512); )
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DEF_BENCH( return new MipmapBench(512, 512, true); )
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DEF_BENCH( return new MipmapBench(511, 511, true); )
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DEF_BENCH( return new MipmapBench(2048, 2048); )
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DEF_BENCH( return new MipmapBench(2047, 2047); )
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DEF_BENCH( return new MipmapBench(2048, 2047); )
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DEF_BENCH( return new MipmapBench(2047, 2048); )
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