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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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79 // Sets a lock this will be held on every callback from the GPU | 79 // 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 | 80 // 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 | 81 // the GPU implementation if it is to be used from multiple threads. This |
82 // may not be supported with all implementations. | 82 // may not be supported with all implementations. |
83 virtual void SetLock(base::Lock*) = 0; | 83 virtual void SetLock(base::Lock*) = 0; |
84 | 84 |
85 // Returns true if the channel to the Gpu is lost. When true, all contexts | 85 // Returns true if the channel to the Gpu is lost. When true, all contexts |
86 // should be considered as lost. | 86 // should be considered as lost. |
87 virtual bool IsGpuChannelLost() = 0; | 87 virtual bool IsGpuChannelLost() = 0; |
88 | 88 |
| 89 // When this function returns it ensures all previously flushed work is |
| 90 // visible by the service. This command does this by sending a synchronous |
| 91 // IPC. Note just because the work is visible to the server does not mean |
| 92 // that it has been processed. This is only relevant for out of process |
| 93 // services and will be treated as a NOP for in process command buffers. |
| 94 virtual void EnsureWorkVisible() = 0; |
| 95 |
89 // The namespace and command buffer ID forms a unique pair for all existing | 96 // The namespace and command buffer ID forms a unique pair for all existing |
90 // GpuControl (on client) and matches for the corresponding command buffer | 97 // GpuControl (on client) and matches for the corresponding command buffer |
91 // (on server) in a single server process. The extra command buffer data can | 98 // (on server) in a single server process. The extra command buffer data can |
92 // be used for extra identification purposes. One usage is to store some | 99 // be used for extra identification purposes. One usage is to store some |
93 // extra field to identify unverified sync tokens for the implementation of | 100 // extra field to identify unverified sync tokens for the implementation of |
94 // the CanWaitUnverifiedSyncToken() function. | 101 // the CanWaitUnverifiedSyncToken() function. |
95 virtual CommandBufferNamespace GetNamespaceID() const = 0; | 102 virtual CommandBufferNamespace GetNamespaceID() const = 0; |
96 virtual uint64_t GetCommandBufferID() const = 0; | 103 virtual uint64_t GetCommandBufferID() const = 0; |
97 virtual int32_t GetExtraCommandBufferData() const = 0; | 104 virtual int32_t GetExtraCommandBufferData() const = 0; |
98 | 105 |
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118 // be enqueued first so does not need to be flushed. | 125 // be enqueued first so does not need to be flushed. |
119 virtual bool CanWaitUnverifiedSyncToken(const SyncToken* sync_token) = 0; | 126 virtual bool CanWaitUnverifiedSyncToken(const SyncToken* sync_token) = 0; |
120 | 127 |
121 private: | 128 private: |
122 DISALLOW_COPY_AND_ASSIGN(GpuControl); | 129 DISALLOW_COPY_AND_ASSIGN(GpuControl); |
123 }; | 130 }; |
124 | 131 |
125 } // namespace gpu | 132 } // namespace gpu |
126 | 133 |
127 #endif // GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ | 134 #endif // GPU_COMMAND_BUFFER_CLIENT_GPU_CONTROL_H_ |
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