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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 CONTENT_COMMON_GPU_GPU_CHANNEL_H_ | 5 #ifndef CONTENT_COMMON_GPU_GPU_CHANNEL_H_ |
| 6 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_ | 6 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 #include <stdint.h> | 9 #include <stdint.h> |
| 10 | 10 |
| 11 #include <string> | 11 #include <string> |
| 12 | 12 |
| 13 #include "base/containers/hash_tables.h" | 13 #include "base/containers/hash_tables.h" |
| 14 #include "base/containers/scoped_ptr_hash_map.h" | 14 #include "base/containers/scoped_ptr_hash_map.h" |
| 15 #include "base/macros.h" | 15 #include "base/macros.h" |
| 16 #include "base/memory/ref_counted.h" | 16 #include "base/memory/ref_counted.h" |
| 17 #include "base/memory/scoped_ptr.h" | 17 #include "base/memory/scoped_ptr.h" |
| 18 #include "base/memory/weak_ptr.h" | 18 #include "base/memory/weak_ptr.h" |
| 19 #include "base/process/process.h" | 19 #include "base/process/process.h" |
| 20 #include "base/threading/thread_checker.h" | 20 #include "base/threading/thread_checker.h" |
| 21 #include "base/trace_event/memory_dump_provider.h" | 21 #include "base/trace_event/memory_dump_provider.h" |
| 22 #include "build/build_config.h" | 22 #include "build/build_config.h" |
| 23 #include "content/common/content_export.h" | 23 #include "content/common/content_export.h" |
| 24 #include "content/common/gpu/gpu_command_buffer_stub.h" | 24 #include "content/common/gpu/gpu_command_buffer_stub.h" |
| 25 #include "content/common/gpu/gpu_memory_manager.h" | 25 #include "content/common/gpu/gpu_memory_manager.h" |
| 26 #include "content/common/gpu/gpu_stream_constants.h" | |
| 27 #include "gpu/command_buffer/service/valuebuffer_manager.h" | 26 #include "gpu/command_buffer/service/valuebuffer_manager.h" |
| 27 #include "gpu/ipc/common/gpu_stream_constants.h" |
| 28 #include "ipc/ipc_sync_channel.h" | 28 #include "ipc/ipc_sync_channel.h" |
| 29 #include "ipc/message_router.h" | 29 #include "ipc/message_router.h" |
| 30 #include "ui/gfx/geometry/size.h" | 30 #include "ui/gfx/geometry/size.h" |
| 31 #include "ui/gfx/native_widget_types.h" | 31 #include "ui/gfx/native_widget_types.h" |
| 32 #include "ui/gl/gl_share_group.h" | 32 #include "ui/gl/gl_share_group.h" |
| 33 #include "ui/gl/gpu_preference.h" | 33 #include "ui/gl/gpu_preference.h" |
| 34 | 34 |
| 35 struct GPUCreateCommandBufferConfig; | 35 struct GPUCreateCommandBufferConfig; |
| 36 | 36 |
| 37 namespace base { | 37 namespace base { |
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| 191 | 191 |
| 192 // Some messages such as WaitForGetOffsetInRange and WaitForTokenInRange are | 192 // Some messages such as WaitForGetOffsetInRange and WaitForTokenInRange are |
| 193 // processed as soon as possible because the client is blocked until they | 193 // processed as soon as possible because the client is blocked until they |
| 194 // are completed. | 194 // are completed. |
| 195 void HandleOutOfOrderMessage(const IPC::Message& msg); | 195 void HandleOutOfOrderMessage(const IPC::Message& msg); |
| 196 | 196 |
| 197 void HandleMessageHelper(const IPC::Message& msg); | 197 void HandleMessageHelper(const IPC::Message& msg); |
| 198 | 198 |
| 199 scoped_refptr<GpuChannelMessageQueue> CreateStream( | 199 scoped_refptr<GpuChannelMessageQueue> CreateStream( |
| 200 int32_t stream_id, | 200 int32_t stream_id, |
| 201 GpuStreamPriority stream_priority); | 201 gpu::GpuStreamPriority stream_priority); |
| 202 | 202 |
| 203 scoped_refptr<GpuChannelMessageQueue> LookupStream(int32_t stream_id); | 203 scoped_refptr<GpuChannelMessageQueue> LookupStream(int32_t stream_id); |
| 204 | 204 |
| 205 void DestroyStreamIfNecessary( | 205 void DestroyStreamIfNecessary( |
| 206 const scoped_refptr<GpuChannelMessageQueue>& queue); | 206 const scoped_refptr<GpuChannelMessageQueue>& queue); |
| 207 | 207 |
| 208 void AddRouteToStream(int32_t route_id, int32_t stream_id); | 208 void AddRouteToStream(int32_t route_id, int32_t stream_id); |
| 209 void RemoveRouteFromStream(int32_t route_id); | 209 void RemoveRouteFromStream(int32_t route_id); |
| 210 | 210 |
| 211 // Message handlers for control messages. | 211 // Message handlers for control messages. |
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| 353 | 353 |
| 354 private: | 354 private: |
| 355 DISALLOW_COPY_AND_ASSIGN(GpuChannelMessage); | 355 DISALLOW_COPY_AND_ASSIGN(GpuChannelMessage); |
| 356 }; | 356 }; |
| 357 | 357 |
| 358 class GpuChannelMessageQueue | 358 class GpuChannelMessageQueue |
| 359 : public base::RefCountedThreadSafe<GpuChannelMessageQueue> { | 359 : public base::RefCountedThreadSafe<GpuChannelMessageQueue> { |
| 360 public: | 360 public: |
| 361 static scoped_refptr<GpuChannelMessageQueue> Create( | 361 static scoped_refptr<GpuChannelMessageQueue> Create( |
| 362 int32_t stream_id, | 362 int32_t stream_id, |
| 363 GpuStreamPriority stream_priority, | 363 gpu::GpuStreamPriority stream_priority, |
| 364 GpuChannel* channel, | 364 GpuChannel* channel, |
| 365 const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner, | 365 const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner, |
| 366 const scoped_refptr<gpu::PreemptionFlag>& preempting_flag, | 366 const scoped_refptr<gpu::PreemptionFlag>& preempting_flag, |
| 367 const scoped_refptr<gpu::PreemptionFlag>& preempted_flag, | 367 const scoped_refptr<gpu::PreemptionFlag>& preempted_flag, |
| 368 gpu::SyncPointManager* sync_point_manager); | 368 gpu::SyncPointManager* sync_point_manager); |
| 369 | 369 |
| 370 void Disable(); | 370 void Disable(); |
| 371 void DisableIO(); | 371 void DisableIO(); |
| 372 | 372 |
| 373 int32_t stream_id() const { return stream_id_; } | 373 int32_t stream_id() const { return stream_id_; } |
| 374 GpuStreamPriority stream_priority() const { return stream_priority_; } | 374 gpu::GpuStreamPriority stream_priority() const { return stream_priority_; } |
| 375 | 375 |
| 376 bool IsScheduled() const; | 376 bool IsScheduled() const; |
| 377 void OnRescheduled(bool scheduled); | 377 void OnRescheduled(bool scheduled); |
| 378 | 378 |
| 379 bool HasQueuedMessages() const; | 379 bool HasQueuedMessages() const; |
| 380 | 380 |
| 381 base::TimeTicks GetNextMessageTimeTick() const; | 381 base::TimeTicks GetNextMessageTimeTick() const; |
| 382 | 382 |
| 383 scoped_refptr<gpu::SyncPointOrderData> GetSyncPointOrderData(); | 383 scoped_refptr<gpu::SyncPointOrderData> GetSyncPointOrderData(); |
| 384 | 384 |
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| 413 // We are currently preempting (i.e. no stub is descheduled). | 413 // We are currently preempting (i.e. no stub is descheduled). |
| 414 PREEMPTING, | 414 PREEMPTING, |
| 415 // We would like to preempt, but some stub is descheduled. | 415 // We would like to preempt, but some stub is descheduled. |
| 416 WOULD_PREEMPT_DESCHEDULED, | 416 WOULD_PREEMPT_DESCHEDULED, |
| 417 }; | 417 }; |
| 418 | 418 |
| 419 friend class base::RefCountedThreadSafe<GpuChannelMessageQueue>; | 419 friend class base::RefCountedThreadSafe<GpuChannelMessageQueue>; |
| 420 | 420 |
| 421 GpuChannelMessageQueue( | 421 GpuChannelMessageQueue( |
| 422 int32_t stream_id, | 422 int32_t stream_id, |
| 423 GpuStreamPriority stream_priority, | 423 gpu::GpuStreamPriority stream_priority, |
| 424 GpuChannel* channel, | 424 GpuChannel* channel, |
| 425 const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner, | 425 const scoped_refptr<base::SingleThreadTaskRunner>& io_task_runner, |
| 426 const scoped_refptr<gpu::PreemptionFlag>& preempting_flag, | 426 const scoped_refptr<gpu::PreemptionFlag>& preempting_flag, |
| 427 const scoped_refptr<gpu::PreemptionFlag>& preempted_flag, | 427 const scoped_refptr<gpu::PreemptionFlag>& preempted_flag, |
| 428 gpu::SyncPointManager* sync_point_manager); | 428 gpu::SyncPointManager* sync_point_manager); |
| 429 ~GpuChannelMessageQueue(); | 429 ~GpuChannelMessageQueue(); |
| 430 | 430 |
| 431 void UpdatePreemptionState(); | 431 void UpdatePreemptionState(); |
| 432 void UpdatePreemptionStateHelper(); | 432 void UpdatePreemptionStateHelper(); |
| 433 | 433 |
| 434 void UpdateStateIdle(); | 434 void UpdateStateIdle(); |
| 435 void UpdateStateWaiting(); | 435 void UpdateStateWaiting(); |
| 436 void UpdateStateChecking(); | 436 void UpdateStateChecking(); |
| 437 void UpdateStatePreempting(); | 437 void UpdateStatePreempting(); |
| 438 void UpdateStateWouldPreemptDescheduled(); | 438 void UpdateStateWouldPreemptDescheduled(); |
| 439 | 439 |
| 440 void TransitionToIdle(); | 440 void TransitionToIdle(); |
| 441 void TransitionToWaiting(); | 441 void TransitionToWaiting(); |
| 442 void TransitionToChecking(); | 442 void TransitionToChecking(); |
| 443 void TransitionToPreempting(); | 443 void TransitionToPreempting(); |
| 444 void TransitionToWouldPreemptDescheduled(); | 444 void TransitionToWouldPreemptDescheduled(); |
| 445 | 445 |
| 446 bool ShouldTransitionToIdle() const; | 446 bool ShouldTransitionToIdle() const; |
| 447 | 447 |
| 448 const int32_t stream_id_; | 448 const int32_t stream_id_; |
| 449 const GpuStreamPriority stream_priority_; | 449 const gpu::GpuStreamPriority stream_priority_; |
| 450 | 450 |
| 451 // These can be accessed from both IO and main threads and are protected by | 451 // These can be accessed from both IO and main threads and are protected by |
| 452 // |channel_lock_|. | 452 // |channel_lock_|. |
| 453 bool enabled_; | 453 bool enabled_; |
| 454 bool scheduled_; | 454 bool scheduled_; |
| 455 GpuChannel* const channel_; | 455 GpuChannel* const channel_; |
| 456 std::deque<scoped_ptr<GpuChannelMessage>> channel_messages_; | 456 std::deque<scoped_ptr<GpuChannelMessage>> channel_messages_; |
| 457 mutable base::Lock channel_lock_; | 457 mutable base::Lock channel_lock_; |
| 458 | 458 |
| 459 // The following are accessed on the IO thread only. | 459 // The following are accessed on the IO thread only. |
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| 474 scoped_refptr<gpu::PreemptionFlag> preempting_flag_; | 474 scoped_refptr<gpu::PreemptionFlag> preempting_flag_; |
| 475 scoped_refptr<gpu::PreemptionFlag> preempted_flag_; | 475 scoped_refptr<gpu::PreemptionFlag> preempted_flag_; |
| 476 gpu::SyncPointManager* const sync_point_manager_; | 476 gpu::SyncPointManager* const sync_point_manager_; |
| 477 | 477 |
| 478 DISALLOW_COPY_AND_ASSIGN(GpuChannelMessageQueue); | 478 DISALLOW_COPY_AND_ASSIGN(GpuChannelMessageQueue); |
| 479 }; | 479 }; |
| 480 | 480 |
| 481 } // namespace content | 481 } // namespace content |
| 482 | 482 |
| 483 #endif // CONTENT_COMMON_GPU_GPU_CHANNEL_H_ | 483 #endif // CONTENT_COMMON_GPU_GPU_CHANNEL_H_ |
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