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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/texture_uploader.h" | 5 #include "cc/texture_uploader.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/debug/alias.h" | 10 #include "base/debug/alias.h" |
| 11 #include "base/debug/trace_event.h" | 11 #include "base/debug/trace_event.h" |
| 12 #include "base/metrics/histogram.h" | 12 #include "base/metrics/histogram.h" |
| 13 #include "cc/prioritized_resource.h" | 13 #include "cc/prioritized_resource.h" |
| 14 #include "cc/resource.h" | 14 #include "cc/resource.h" |
| 15 #include "cc/util.h" | 15 #include "cc/util.h" |
| 16 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3
D.h" |
| 16 #include "third_party/khronos/GLES2/gl2.h" | 17 #include "third_party/khronos/GLES2/gl2.h" |
| 17 #include "third_party/khronos/GLES2/gl2ext.h" | 18 #include "third_party/khronos/GLES2/gl2ext.h" |
| 18 #include "ui/gfx/rect.h" | 19 #include "ui/gfx/rect.h" |
| 19 #include "ui/gfx/vector2d.h" | 20 #include "ui/gfx/vector2d.h" |
| 20 #include <public/WebGraphicsContext3D.h> | |
| 21 | 21 |
| 22 namespace { | 22 namespace { |
| 23 | 23 |
| 24 // How many previous uploads to use when predicting future throughput. | 24 // How many previous uploads to use when predicting future throughput. |
| 25 static const size_t uploadHistorySizeMax = 1000; | 25 static const size_t uploadHistorySizeMax = 1000; |
| 26 static const size_t uploadHistorySizeInitial = 100; | 26 static const size_t uploadHistorySizeInitial = 100; |
| 27 | 27 |
| 28 // Global estimated number of textures per second to maintain estimates across | 28 // Global estimated number of textures per second to maintain estimates across |
| 29 // subsequent instances of TextureUploader. | 29 // subsequent instances of TextureUploader. |
| 30 // More than one thread will not access this variable, so we do not need to sync
hronize access. | 30 // More than one thread will not access this variable, so we do not need to sync
hronize access. |
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| 362 m_texturesPerSecondHistory.erase(m_texturesPerSecondHistory.begin())
; | 362 m_texturesPerSecondHistory.erase(m_texturesPerSecondHistory.begin())
; |
| 363 m_texturesPerSecondHistory.erase(--m_texturesPerSecondHistory.end())
; | 363 m_texturesPerSecondHistory.erase(--m_texturesPerSecondHistory.end())
; |
| 364 } | 364 } |
| 365 m_texturesPerSecondHistory.insert(texturesPerSecond); | 365 m_texturesPerSecondHistory.insert(texturesPerSecond); |
| 366 | 366 |
| 367 m_availableQueries.append(m_pendingQueries.takeFirst()); | 367 m_availableQueries.append(m_pendingQueries.takeFirst()); |
| 368 } | 368 } |
| 369 } | 369 } |
| 370 | 370 |
| 371 } // namespace cc | 371 } // namespace cc |
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