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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 #ifndef SharedContextRateLimiter_h | 5 #ifndef SharedContextRateLimiter_h |
6 #define SharedContextRateLimiter_h | 6 #define SharedContextRateLimiter_h |
7 | 7 |
| 8 #include <memory> |
8 #include "gpu/command_buffer/client/gles2_interface.h" | 9 #include "gpu/command_buffer/client/gles2_interface.h" |
9 #include "wtf/Allocator.h" | 10 #include "wtf/Allocator.h" |
10 #include "wtf/Deque.h" | 11 #include "wtf/Deque.h" |
11 #include "wtf/Noncopyable.h" | 12 #include "wtf/Noncopyable.h" |
12 #include <memory> | |
13 | 13 |
14 namespace blink { | 14 namespace blink { |
15 | 15 |
16 class WebGraphicsContext3DProvider; | 16 class WebGraphicsContext3DProvider; |
17 | 17 |
18 // Purpose: to limit the amount of worked queued for execution | 18 // Purpose: to limit the amount of worked queued for execution |
19 // (backlog) on the GPU by blocking the main thread to allow the GPU | 19 // (backlog) on the GPU by blocking the main thread to allow the GPU |
20 // to catch up. The Prevents unsynchronized tight animation loops | 20 // to catch up. The Prevents unsynchronized tight animation loops |
21 // from cause a GPU denial of service. | 21 // from cause a GPU denial of service. |
22 // | 22 // |
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50 | 50 |
51 std::unique_ptr<WebGraphicsContext3DProvider> m_contextProvider; | 51 std::unique_ptr<WebGraphicsContext3DProvider> m_contextProvider; |
52 Deque<GLuint> m_queries; | 52 Deque<GLuint> m_queries; |
53 unsigned m_maxPendingTicks; | 53 unsigned m_maxPendingTicks; |
54 bool m_canUseSyncQueries; | 54 bool m_canUseSyncQueries; |
55 }; | 55 }; |
56 | 56 |
57 } // namespace blink | 57 } // namespace blink |
58 | 58 |
59 #endif | 59 #endif |
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