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