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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "cc/debug/rasterize_and_record_benchmark.h" | 5 #include "cc/debug/rasterize_and_record_benchmark.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <limits> | 8 #include <limits> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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| 101 | 101 |
| 102 SkTileGridPicture::TileGridInfo tile_grid_info; | 102 SkTileGridPicture::TileGridInfo tile_grid_info; |
| 103 PicturePileBase::ComputeTileGridInfo(tile_grid_size, &tile_grid_info); | 103 PicturePileBase::ComputeTileGridInfo(tile_grid_size, &tile_grid_info); |
| 104 | 104 |
| 105 gfx::Rect visible_content_rect = gfx::ScaleToEnclosingRect( | 105 gfx::Rect visible_content_rect = gfx::ScaleToEnclosingRect( |
| 106 layer->visible_content_rect(), 1.f / layer->contents_scale_x()); | 106 layer->visible_content_rect(), 1.f / layer->contents_scale_x()); |
| 107 if (visible_content_rect.IsEmpty()) | 107 if (visible_content_rect.IsEmpty()) |
| 108 return; | 108 return; |
| 109 | 109 |
| 110 | 110 |
| 111 base::TimeDelta min_time = base::TimeDelta::Max(); | 111 base::TimeDelta min_time = |
| 112 base::TimeDelta::FromInternalValue(std::numeric_limits<int64>::max()); |
| 112 for (int i = 0; i < record_repeat_count_; ++i) { | 113 for (int i = 0; i < record_repeat_count_; ++i) { |
| 113 base::TimeTicks start = Now(); | 114 base::TimeTicks start = Now(); |
| 114 scoped_refptr<Picture> picture = Picture::Create( | 115 scoped_refptr<Picture> picture = Picture::Create( |
| 115 visible_content_rect, painter, tile_grid_info, false, 0); | 116 visible_content_rect, painter, tile_grid_info, false, 0); |
| 116 base::TimeTicks end = Now(); | 117 base::TimeTicks end = Now(); |
| 117 base::TimeDelta duration = end - start; | 118 base::TimeDelta duration = end - start; |
| 118 if (duration < min_time) | 119 if (duration < min_time) |
| 119 min_time = duration; | 120 min_time = duration; |
| 120 } | 121 } |
| 121 | 122 |
| 122 record_results_.pixels_recorded += | 123 record_results_.pixels_recorded += |
| 123 visible_content_rect.width() * visible_content_rect.height(); | 124 visible_content_rect.width() * visible_content_rect.height(); |
| 124 record_results_.total_best_time += min_time; | 125 record_results_.total_best_time += min_time; |
| 125 } | 126 } |
| 126 | 127 |
| 127 RasterizeAndRecordBenchmark::RecordResults::RecordResults() | 128 RasterizeAndRecordBenchmark::RecordResults::RecordResults() |
| 128 : pixels_recorded(0) {} | 129 : pixels_recorded(0) {} |
| 129 | 130 |
| 130 RasterizeAndRecordBenchmark::RecordResults::~RecordResults() {} | 131 RasterizeAndRecordBenchmark::RecordResults::~RecordResults() {} |
| 131 | 132 |
| 132 } // namespace cc | 133 } // namespace cc |
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