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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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/resources/picture_pile.h" | 5 #include "cc/resources/picture_pile.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <limits> | 8 #include <limits> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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221 scoped_refptr<Picture> picture; | 221 scoped_refptr<Picture> picture; |
222 int num_raster_threads = RasterWorkerPool::GetNumRasterThreads(); | 222 int num_raster_threads = RasterWorkerPool::GetNumRasterThreads(); |
223 | 223 |
224 // Note: Currently, gathering of pixel refs when using a single | 224 // Note: Currently, gathering of pixel refs when using a single |
225 // raster thread doesn't provide any benefit. This might change | 225 // raster thread doesn't provide any benefit. This might change |
226 // in the future but we avoid it for now to reduce the cost of | 226 // in the future but we avoid it for now to reduce the cost of |
227 // Picture::Create. | 227 // Picture::Create. |
228 bool gather_pixel_refs = num_raster_threads > 1; | 228 bool gather_pixel_refs = num_raster_threads > 1; |
229 | 229 |
230 { | 230 { |
231 base::TimeDelta best_duration = base::TimeDelta::Max(); | 231 base::TimeDelta best_duration = base::TimeDelta::FromInternalValue( |
| 232 std::numeric_limits<int64>::max()); |
232 for (int i = 0; i < repeat_count; i++) { | 233 for (int i = 0; i < repeat_count; i++) { |
233 base::TimeTicks start_time = stats_instrumentation->StartRecording(); | 234 base::TimeTicks start_time = stats_instrumentation->StartRecording(); |
234 picture = Picture::Create(record_rect, | 235 picture = Picture::Create(record_rect, |
235 painter, | 236 painter, |
236 tile_grid_info_, | 237 tile_grid_info_, |
237 gather_pixel_refs, | 238 gather_pixel_refs, |
238 num_raster_threads); | 239 num_raster_threads); |
239 base::TimeDelta duration = | 240 base::TimeDelta duration = |
240 stats_instrumentation->EndRecording(start_time); | 241 stats_instrumentation->EndRecording(start_time); |
241 best_duration = std::min(duration, best_duration); | 242 best_duration = std::min(duration, best_duration); |
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254 info.SetPicture(picture); | 255 info.SetPicture(picture); |
255 } | 256 } |
256 } | 257 } |
257 } | 258 } |
258 | 259 |
259 UpdateRecordedRegion(); | 260 UpdateRecordedRegion(); |
260 return true; | 261 return true; |
261 } | 262 } |
262 | 263 |
263 } // namespace cc | 264 } // namespace cc |
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