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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2012 The Android Open Source Project | 3 * Copyright 2012 The Android Open Source Project |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 #include "Benchmark.h" | 9 #include "Benchmark.h" |
| 10 #include "SkCanvas.h" | 10 #include "SkCanvas.h" |
| 11 | 11 |
| 12 | 12 |
| 13 /** | 13 /** |
| 14 * This bench mark tests the use case where the user writes the a canvas | 14 * This bench mark tests the use case where the user writes the a canvas |
| 15 * and then reads small chunks from it repeatedly. This can cause trouble | 15 * and then reads small chunks from it repeatedly. This can cause trouble |
| 16 * for the GPU as readbacks are very expensive. | 16 * for the GPU as readbacks are very expensive. |
| 17 */ | 17 */ |
| 18 class ReadPixBench : public Benchmark { | 18 class ReadPixBench : public Benchmark { |
| 19 public: | 19 public: |
| 20 ReadPixBench() {} | 20 ReadPixBench() {} |
| 21 | 21 |
| 22 protected: | 22 protected: |
| 23 const char* onGetName() SK_OVERRIDE { | 23 const char* onGetName() override { |
| 24 return "readpix"; | 24 return "readpix"; |
| 25 } | 25 } |
| 26 | 26 |
| 27 void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE { | 27 void onDraw(const int loops, SkCanvas* canvas) override { |
| 28 canvas->clear(SK_ColorBLACK); | 28 canvas->clear(SK_ColorBLACK); |
| 29 | 29 |
| 30 SkISize size = canvas->getDeviceSize(); | 30 SkISize size = canvas->getDeviceSize(); |
| 31 | 31 |
| 32 int offX = (size.width() - kWindowSize) / kNumStepsX; | 32 int offX = (size.width() - kWindowSize) / kNumStepsX; |
| 33 int offY = (size.height() - kWindowSize) / kNumStepsY; | 33 int offY = (size.height() - kWindowSize) / kNumStepsY; |
| 34 | 34 |
| 35 SkPaint paint; | 35 SkPaint paint; |
| 36 | 36 |
| 37 paint.setColor(SK_ColorBLUE); | 37 paint.setColor(SK_ColorBLUE); |
| (...skipping 20 matching lines...) Expand all Loading... |
| 58 static const int kNumStepsX = 30; | 58 static const int kNumStepsX = 30; |
| 59 static const int kNumStepsY = 30; | 59 static const int kNumStepsY = 30; |
| 60 static const int kWindowSize = 5; | 60 static const int kWindowSize = 5; |
| 61 | 61 |
| 62 typedef Benchmark INHERITED; | 62 typedef Benchmark INHERITED; |
| 63 }; | 63 }; |
| 64 | 64 |
| 65 //////////////////////////////////////////////////////////////////////////////// | 65 //////////////////////////////////////////////////////////////////////////////// |
| 66 | 66 |
| 67 DEF_BENCH( return new ReadPixBench(); ) | 67 DEF_BENCH( return new ReadPixBench(); ) |
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