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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_SYNC_POINT_MANAGER_H_ | 5 #ifndef GPU_COMMAND_BUFFER_SERVICE_SYNC_POINT_MANAGER_H_ |
6 #define GPU_COMMAND_BUFFER_SERVICE_SYNC_POINT_MANAGER_H_ | 6 #define GPU_COMMAND_BUFFER_SERVICE_SYNC_POINT_MANAGER_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include <functional> | 10 #include <functional> |
9 #include <queue> | 11 #include <queue> |
10 #include <vector> | 12 #include <vector> |
11 | 13 |
12 #include "base/atomic_sequence_num.h" | 14 #include "base/atomic_sequence_num.h" |
13 #include "base/callback.h" | 15 #include "base/callback.h" |
14 #include "base/containers/hash_tables.h" | 16 #include "base/containers/hash_tables.h" |
15 #include "base/logging.h" | 17 #include "base/logging.h" |
16 #include "base/macros.h" | 18 #include "base/macros.h" |
17 #include "base/memory/ref_counted.h" | 19 #include "base/memory/ref_counted.h" |
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272 scoped_refptr<SyncPointOrderData> order_data, | 274 scoped_refptr<SyncPointOrderData> order_data, |
273 CommandBufferNamespace namespace_id, | 275 CommandBufferNamespace namespace_id, |
274 uint64_t client_id); | 276 uint64_t client_id); |
275 | 277 |
276 // Finds the state of an already created sync point client. | 278 // Finds the state of an already created sync point client. |
277 scoped_refptr<SyncPointClientState> GetSyncPointClientState( | 279 scoped_refptr<SyncPointClientState> GetSyncPointClientState( |
278 CommandBufferNamespace namespace_id, uint64_t client_id); | 280 CommandBufferNamespace namespace_id, uint64_t client_id); |
279 | 281 |
280 // Generates a sync point, returning its ID. This can me called on any thread. | 282 // Generates a sync point, returning its ID. This can me called on any thread. |
281 // IDs start at a random number. Never return 0. | 283 // IDs start at a random number. Never return 0. |
282 uint32 GenerateSyncPoint(); | 284 uint32_t GenerateSyncPoint(); |
283 | 285 |
284 // Retires a sync point. This will call all the registered callbacks for this | 286 // Retires a sync point. This will call all the registered callbacks for this |
285 // sync point. This can only be called on the main thread. | 287 // sync point. This can only be called on the main thread. |
286 void RetireSyncPoint(uint32 sync_point); | 288 void RetireSyncPoint(uint32_t sync_point); |
287 | 289 |
288 // Adds a callback to the sync point. The callback will be called when the | 290 // Adds a callback to the sync point. The callback will be called when the |
289 // sync point is retired, or immediately (from within that function) if the | 291 // sync point is retired, or immediately (from within that function) if the |
290 // sync point was already retired (or not created yet). This can only be | 292 // sync point was already retired (or not created yet). This can only be |
291 // called on the main thread. | 293 // called on the main thread. |
292 void AddSyncPointCallback(uint32 sync_point, const base::Closure& callback); | 294 void AddSyncPointCallback(uint32_t sync_point, const base::Closure& callback); |
293 | 295 |
294 bool IsSyncPointRetired(uint32 sync_point); | 296 bool IsSyncPointRetired(uint32_t sync_point); |
295 | 297 |
296 // Block and wait until a sync point is signaled. This is only useful when | 298 // Block and wait until a sync point is signaled. This is only useful when |
297 // the sync point is signaled on another thread. | 299 // the sync point is signaled on another thread. |
298 void WaitSyncPoint(uint32 sync_point); | 300 void WaitSyncPoint(uint32_t sync_point); |
299 | 301 |
300 private: | 302 private: |
301 friend class SyncPointClient; | 303 friend class SyncPointClient; |
302 friend class SyncPointOrderData; | 304 friend class SyncPointOrderData; |
303 | 305 |
304 typedef std::vector<base::Closure> ClosureList; | 306 typedef std::vector<base::Closure> ClosureList; |
305 typedef base::hash_map<uint32, ClosureList> SyncPointMap; | 307 typedef base::hash_map<uint32_t, ClosureList> SyncPointMap; |
306 typedef base::hash_map<uint64_t, SyncPointClient*> ClientMap; | 308 typedef base::hash_map<uint64_t, SyncPointClient*> ClientMap; |
307 | 309 |
308 bool IsSyncPointRetiredLocked(uint32 sync_point); | 310 bool IsSyncPointRetiredLocked(uint32_t sync_point); |
309 uint32_t GenerateOrderNumber(); | 311 uint32_t GenerateOrderNumber(); |
310 void DestroySyncPointClient(CommandBufferNamespace namespace_id, | 312 void DestroySyncPointClient(CommandBufferNamespace namespace_id, |
311 uint64_t client_id); | 313 uint64_t client_id); |
312 | 314 |
313 const bool allow_threaded_wait_; | 315 const bool allow_threaded_wait_; |
314 | 316 |
315 // Order number is global for all clients. | 317 // Order number is global for all clients. |
316 base::AtomicSequenceNumber global_order_num_; | 318 base::AtomicSequenceNumber global_order_num_; |
317 | 319 |
318 // Client map holds a map of clients id to client for each namespace. | 320 // Client map holds a map of clients id to client for each namespace. |
319 base::Lock client_maps_lock_; | 321 base::Lock client_maps_lock_; |
320 ClientMap client_maps_[NUM_COMMAND_BUFFER_NAMESPACES]; | 322 ClientMap client_maps_[NUM_COMMAND_BUFFER_NAMESPACES]; |
321 | 323 |
322 // Protects the 2 fields below. Note: callbacks shouldn't be called with this | 324 // Protects the 2 fields below. Note: callbacks shouldn't be called with this |
323 // held. | 325 // held. |
324 base::Lock lock_; | 326 base::Lock lock_; |
325 SyncPointMap sync_point_map_; | 327 SyncPointMap sync_point_map_; |
326 uint32 next_sync_point_; | 328 uint32_t next_sync_point_; |
327 base::ConditionVariable retire_cond_var_; | 329 base::ConditionVariable retire_cond_var_; |
328 | 330 |
329 DISALLOW_COPY_AND_ASSIGN(SyncPointManager); | 331 DISALLOW_COPY_AND_ASSIGN(SyncPointManager); |
330 }; | 332 }; |
331 | 333 |
332 } // namespace gpu | 334 } // namespace gpu |
333 | 335 |
334 #endif // GPU_COMMAND_BUFFER_SERVICE_SYNC_POINT_MANAGER_H_ | 336 #endif // GPU_COMMAND_BUFFER_SERVICE_SYNC_POINT_MANAGER_H_ |
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