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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 #ifndef GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_ | 5 #ifndef GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_ |
| 6 #define GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_ | 6 #define GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_ |
| 7 | 7 |
| 8 #include <queue> | 8 #include <queue> |
| 9 | 9 |
| 10 #include "base/atomic_ref_count.h" | 10 #include "base/atomic_ref_count.h" |
| 11 #include "base/atomicops.h" | 11 #include "base/atomicops.h" |
| 12 #include "base/callback.h" | 12 #include "base/callback.h" |
| 13 #include "base/memory/linked_ptr.h" | 13 #include "base/memory/linked_ptr.h" |
| 14 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
| 15 #include "base/memory/scoped_ptr.h" | 15 #include "base/memory/scoped_ptr.h" |
| 16 #include "base/memory/shared_memory.h" | 16 #include "base/memory/shared_memory.h" |
| 17 #include "base/memory/weak_ptr.h" | 17 #include "base/memory/weak_ptr.h" |
| 18 #include "gpu/command_buffer/common/command_buffer.h" | |
| 19 #include "gpu/command_buffer/service/cmd_buffer_engine.h" | 18 #include "gpu/command_buffer/service/cmd_buffer_engine.h" |
| 20 #include "gpu/command_buffer/service/cmd_parser.h" | 19 #include "gpu/command_buffer/service/cmd_parser.h" |
| 20 #include "gpu/command_buffer/service/command_buffer_service.h" |
| 21 #include "gpu/command_buffer/service/gles2_cmd_decoder.h" | 21 #include "gpu/command_buffer/service/gles2_cmd_decoder.h" |
| 22 #include "gpu/gpu_export.h" | 22 #include "gpu/gpu_export.h" |
| 23 | 23 |
| 24 namespace gfx { | 24 namespace gfx { |
| 25 class GLFence; | 25 class GLFence; |
| 26 } | 26 } |
| 27 | 27 |
| 28 namespace gpu { | 28 namespace gpu { |
| 29 | 29 |
| 30 class PreemptionFlag | 30 class PreemptionFlag |
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| 45 }; | 45 }; |
| 46 | 46 |
| 47 // This class schedules commands that have been flushed. They are received via | 47 // This class schedules commands that have been flushed. They are received via |
| 48 // a command buffer and forwarded to a command parser. TODO(apatrick): This | 48 // a command buffer and forwarded to a command parser. TODO(apatrick): This |
| 49 // class should not know about the decoder. Do not add additional dependencies | 49 // class should not know about the decoder. Do not add additional dependencies |
| 50 // on it. | 50 // on it. |
| 51 class GPU_EXPORT GpuScheduler | 51 class GPU_EXPORT GpuScheduler |
| 52 : NON_EXPORTED_BASE(public CommandBufferEngine), | 52 : NON_EXPORTED_BASE(public CommandBufferEngine), |
| 53 public base::SupportsWeakPtr<GpuScheduler> { | 53 public base::SupportsWeakPtr<GpuScheduler> { |
| 54 public: | 54 public: |
| 55 GpuScheduler(CommandBuffer* command_buffer, | 55 GpuScheduler(CommandBufferServiceBase* command_buffer, |
| 56 AsyncAPIInterface* handler, | 56 AsyncAPIInterface* handler, |
| 57 gles2::GLES2Decoder* decoder); | 57 gles2::GLES2Decoder* decoder); |
| 58 | 58 |
| 59 virtual ~GpuScheduler(); | 59 virtual ~GpuScheduler(); |
| 60 | 60 |
| 61 void PutChanged(); | 61 void PutChanged(); |
| 62 | 62 |
| 63 void SetPreemptByFlag(scoped_refptr<PreemptionFlag> flag) { | 63 void SetPreemptByFlag(scoped_refptr<PreemptionFlag> flag) { |
| 64 preemption_flag_ = flag; | 64 preemption_flag_ = flag; |
| 65 } | 65 } |
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| 107 bool IsPreempted(); | 107 bool IsPreempted(); |
| 108 | 108 |
| 109 private: | 109 private: |
| 110 // Artificially reschedule if the scheduler is still unscheduled after a | 110 // Artificially reschedule if the scheduler is still unscheduled after a |
| 111 // timeout. | 111 // timeout. |
| 112 void RescheduleTimeOut(); | 112 void RescheduleTimeOut(); |
| 113 | 113 |
| 114 // The GpuScheduler holds a weak reference to the CommandBuffer. The | 114 // The GpuScheduler holds a weak reference to the CommandBuffer. The |
| 115 // CommandBuffer owns the GpuScheduler and holds a strong reference to it | 115 // CommandBuffer owns the GpuScheduler and holds a strong reference to it |
| 116 // through the ProcessCommands callback. | 116 // through the ProcessCommands callback. |
| 117 CommandBuffer* command_buffer_; | 117 CommandBufferServiceBase* command_buffer_; |
| 118 | 118 |
| 119 // The parser uses this to execute commands. | 119 // The parser uses this to execute commands. |
| 120 AsyncAPIInterface* handler_; | 120 AsyncAPIInterface* handler_; |
| 121 | 121 |
| 122 // Does not own decoder. TODO(apatrick): The GpuScheduler shouldn't need a | 122 // Does not own decoder. TODO(apatrick): The GpuScheduler shouldn't need a |
| 123 // pointer to the decoder, it is only used to initialize the CommandParser, | 123 // pointer to the decoder, it is only used to initialize the CommandParser, |
| 124 // which could be an argument to the constructor, and to determine the | 124 // which could be an argument to the constructor, and to determine the |
| 125 // reason for context lost. | 125 // reason for context lost. |
| 126 gles2::GLES2Decoder* decoder_; | 126 gles2::GLES2Decoder* decoder_; |
| 127 | 127 |
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| 159 // If non-NULL and |preemption_flag_->IsSet()|, exit PutChanged early. | 159 // If non-NULL and |preemption_flag_->IsSet()|, exit PutChanged early. |
| 160 scoped_refptr<PreemptionFlag> preemption_flag_; | 160 scoped_refptr<PreemptionFlag> preemption_flag_; |
| 161 bool was_preempted_; | 161 bool was_preempted_; |
| 162 | 162 |
| 163 DISALLOW_COPY_AND_ASSIGN(GpuScheduler); | 163 DISALLOW_COPY_AND_ASSIGN(GpuScheduler); |
| 164 }; | 164 }; |
| 165 | 165 |
| 166 } // namespace gpu | 166 } // namespace gpu |
| 167 | 167 |
| 168 #endif // GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_ | 168 #endif // GPU_COMMAND_BUFFER_SERVICE_GPU_SCHEDULER_H_ |
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