reed | 96638d1 | 2015-01-26 12:28:54 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "Benchmark.h" |
| 9 | #include "SkBitmap.h" |
| 10 | #include "SkMipMap.h" |
| 11 | |
| 12 | class MipMapBench: public Benchmark { |
| 13 | SkBitmap fBitmap; |
reed | 3396fb5 | 2016-01-15 07:41:07 -0800 | [diff] [blame] | 14 | SkString fName; |
reed | 0b64b98 | 2016-01-15 18:47:38 -0800 | [diff] [blame] | 15 | const int fW, fH; |
reed | 96638d1 | 2015-01-26 12:28:54 -0800 | [diff] [blame] | 16 | |
| 17 | public: |
reed | 0b64b98 | 2016-01-15 18:47:38 -0800 | [diff] [blame] | 18 | MipMapBench(int w, int h) : fW(w), fH(h) { |
| 19 | fName.printf("mipmap_build_%dx%d", w, h); |
reed | 3396fb5 | 2016-01-15 07:41:07 -0800 | [diff] [blame] | 20 | } |
reed | 96638d1 | 2015-01-26 12:28:54 -0800 | [diff] [blame] | 21 | |
| 22 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 23 | bool isSuitableFor(Backend backend) override { |
reed | 96638d1 | 2015-01-26 12:28:54 -0800 | [diff] [blame] | 24 | return kNonRendering_Backend == backend; |
| 25 | } |
| 26 | |
reed | 3396fb5 | 2016-01-15 07:41:07 -0800 | [diff] [blame] | 27 | const char* onGetName() override { return fName.c_str(); } |
reed | 96638d1 | 2015-01-26 12:28:54 -0800 | [diff] [blame] | 28 | |
joshualitt | 8a6697a | 2015-09-30 12:11:07 -0700 | [diff] [blame] | 29 | void onDelayedSetup() override { |
reed | 0b64b98 | 2016-01-15 18:47:38 -0800 | [diff] [blame] | 30 | fBitmap.allocN32Pixels(fW, fH, true); |
reed | 96638d1 | 2015-01-26 12:28:54 -0800 | [diff] [blame] | 31 | fBitmap.eraseColor(SK_ColorWHITE); // so we don't read uninitialized memory |
| 32 | } |
| 33 | |
mtklein | a1ebeb2 | 2015-10-01 09:43:39 -0700 | [diff] [blame] | 34 | void onDraw(int loops, SkCanvas*) override { |
reed | 3396fb5 | 2016-01-15 07:41:07 -0800 | [diff] [blame] | 35 | for (int i = 0; i < loops * 4; i++) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 36 | SkMipMap::Build(fBitmap, nullptr)->unref(); |
reed | 96638d1 | 2015-01-26 12:28:54 -0800 | [diff] [blame] | 37 | } |
| 38 | } |
| 39 | |
| 40 | private: |
| 41 | typedef Benchmark INHERITED; |
| 42 | }; |
| 43 | |
reed | 0b64b98 | 2016-01-15 18:47:38 -0800 | [diff] [blame] | 44 | // Build variants that exercise the width and heights being even or odd at each level, as the |
| 45 | // impl specializes on each of these. |
| 46 | // |
| 47 | DEF_BENCH( return new MipMapBench(511, 511); ) |
| 48 | DEF_BENCH( return new MipMapBench(512, 511); ) |
| 49 | DEF_BENCH( return new MipMapBench(511, 512); ) |
| 50 | DEF_BENCH( return new MipMapBench(512, 512); ) |