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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ | 5 #ifndef GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ |
6 #define GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ | 6 #define GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ |
7 | 7 |
8 #include <stddef.h> | 8 #include <stddef.h> |
9 #include <stdint.h> | 9 #include <stdint.h> |
10 | 10 |
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48 // Destroy an image. The ID must be positive. | 48 // Destroy an image. The ID must be positive. |
49 virtual void DestroyImage(int32_t id) = 0; | 49 virtual void DestroyImage(int32_t id) = 0; |
50 | 50 |
51 // Create a gpu memory buffer backed image with the given dimensions and | 51 // Create a gpu memory buffer backed image with the given dimensions and |
52 // format for |usage|. Returns its ID or -1 on error. | 52 // format for |usage|. Returns its ID or -1 on error. |
53 virtual int32_t CreateGpuMemoryBufferImage(size_t width, | 53 virtual int32_t CreateGpuMemoryBufferImage(size_t width, |
54 size_t height, | 54 size_t height, |
55 unsigned internalformat, | 55 unsigned internalformat, |
56 unsigned usage) = 0; | 56 unsigned usage) = 0; |
57 | 57 |
58 // Inserts a sync point, returning its ID. Sync point IDs are global and can | |
59 // be used for cross-context synchronization. | |
60 virtual uint32_t InsertSyncPoint() = 0; | |
61 | |
62 // Inserts a future sync point, returning its ID. Sync point IDs are global | |
63 // and can be used for cross-context synchronization. The sync point won't be | |
64 // retired immediately. | |
65 virtual uint32_t InsertFutureSyncPoint() = 0; | |
66 | |
67 // Retires a future sync point. This will signal contexts that are waiting | |
68 // on it to start executing. | |
69 virtual void RetireSyncPoint(uint32_t sync_point) = 0; | |
70 | |
71 // Runs |callback| when a sync point is reached. | |
72 virtual void SignalSyncPoint(uint32_t sync_point, | |
73 const base::Closure& callback) = 0; | |
74 | |
75 // Runs |callback| when a query created via glCreateQueryEXT() has cleared | 58 // Runs |callback| when a query created via glCreateQueryEXT() has cleared |
76 // passed the glEndQueryEXT() point. | 59 // passed the glEndQueryEXT() point. |
77 virtual void SignalQuery(uint32_t query, const base::Closure& callback) = 0; | 60 virtual void SignalQuery(uint32_t query, const base::Closure& callback) = 0; |
78 | 61 |
79 // Sets a lock this will be held on every callback from the GPU | 62 // Sets a lock this will be held on every callback from the GPU |
80 // implementation. This lock must be set and must be held on every call into | 63 // implementation. This lock must be set and must be held on every call into |
81 // the GPU implementation if it is to be used from multiple threads. This | 64 // the GPU implementation if it is to be used from multiple threads. This |
82 // may not be supported with all implementations. | 65 // may not be supported with all implementations. |
83 virtual void SetLock(base::Lock*) = 0; | 66 virtual void SetLock(base::Lock*) = 0; |
84 | 67 |
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125 // be enqueued first so does not need to be flushed. | 108 // be enqueued first so does not need to be flushed. |
126 virtual bool CanWaitUnverifiedSyncToken(const SyncToken* sync_token) = 0; | 109 virtual bool CanWaitUnverifiedSyncToken(const SyncToken* sync_token) = 0; |
127 | 110 |
128 private: | 111 private: |
129 DISALLOW_COPY_AND_ASSIGN(GpuControl); | 112 DISALLOW_COPY_AND_ASSIGN(GpuControl); |
130 }; | 113 }; |
131 | 114 |
132 } // namespace gpu | 115 } // namespace gpu |
133 | 116 |
134 #endif // GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ | 117 #endif // GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ |
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