| OLD | NEW |
| (Empty) |
| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef GPU_COMMAND_BUFFER_SERVICE_IN_PROCESS_COMMAND_BUFFER_H_ | |
| 6 #define GPU_COMMAND_BUFFER_SERVICE_IN_PROCESS_COMMAND_BUFFER_H_ | |
| 7 | |
| 8 #include <stddef.h> | |
| 9 #include <stdint.h> | |
| 10 | |
| 11 #include <map> | |
| 12 #include <memory> | |
| 13 #include <vector> | |
| 14 | |
| 15 #include "base/atomic_sequence_num.h" | |
| 16 #include "base/callback.h" | |
| 17 #include "base/compiler_specific.h" | |
| 18 #include "base/containers/scoped_ptr_hash_map.h" | |
| 19 #include "base/macros.h" | |
| 20 #include "base/memory/ref_counted.h" | |
| 21 #include "base/memory/weak_ptr.h" | |
| 22 #include "base/single_thread_task_runner.h" | |
| 23 #include "base/synchronization/lock.h" | |
| 24 #include "base/synchronization/waitable_event.h" | |
| 25 #include "base/threading/thread.h" | |
| 26 #include "gpu/command_buffer/client/gpu_control.h" | |
| 27 #include "gpu/command_buffer/common/command_buffer.h" | |
| 28 #include "gpu/command_buffer/service/gpu_preferences.h" | |
| 29 #include "gpu/config/gpu_driver_bug_workarounds.h" | |
| 30 #include "gpu/gpu_export.h" | |
| 31 #include "ui/gfx/gpu_memory_buffer.h" | |
| 32 #include "ui/gfx/native_widget_types.h" | |
| 33 #include "ui/gl/gl_surface.h" | |
| 34 #include "ui/gl/gpu_preference.h" | |
| 35 | |
| 36 namespace base { | |
| 37 class SequenceChecker; | |
| 38 } | |
| 39 | |
| 40 namespace gl { | |
| 41 class GLContext; | |
| 42 class GLShareGroup; | |
| 43 class GLSurface; | |
| 44 } | |
| 45 | |
| 46 namespace gfx { | |
| 47 class Size; | |
| 48 } | |
| 49 | |
| 50 namespace gpu { | |
| 51 class SyncPointClient; | |
| 52 class SyncPointOrderData; | |
| 53 class SyncPointManager; | |
| 54 | |
| 55 namespace gles2 { | |
| 56 struct ContextCreationAttribHelper; | |
| 57 class FramebufferCompletenessCache; | |
| 58 class GLES2Decoder; | |
| 59 class MailboxManager; | |
| 60 class ProgramCache; | |
| 61 class ShaderTranslatorCache; | |
| 62 } | |
| 63 | |
| 64 class CommandBufferServiceBase; | |
| 65 class GpuMemoryBufferManager; | |
| 66 class CommandExecutor; | |
| 67 class ImageFactory; | |
| 68 class TransferBufferManagerInterface; | |
| 69 | |
| 70 // This class provides a thread-safe interface to the global GPU service (for | |
| 71 // example GPU thread) when being run in single process mode. | |
| 72 // However, the behavior for accessing one context (i.e. one instance of this | |
| 73 // class) from different client threads is undefined. | |
| 74 class GPU_EXPORT InProcessCommandBuffer : public CommandBuffer, | |
| 75 public GpuControl { | |
| 76 public: | |
| 77 class Service; | |
| 78 explicit InProcessCommandBuffer(const scoped_refptr<Service>& service); | |
| 79 ~InProcessCommandBuffer() override; | |
| 80 | |
| 81 // If |surface| is not null, use it directly; in this case, the command | |
| 82 // buffer gpu thread must be the same as the client thread. Otherwise create | |
| 83 // a new GLSurface. | |
| 84 bool Initialize(scoped_refptr<gl::GLSurface> surface, | |
| 85 bool is_offscreen, | |
| 86 gfx::AcceleratedWidget window, | |
| 87 const gles2::ContextCreationAttribHelper& attribs, | |
| 88 InProcessCommandBuffer* share_group, | |
| 89 GpuMemoryBufferManager* gpu_memory_buffer_manager, | |
| 90 ImageFactory* image_factory, | |
| 91 scoped_refptr<base::SingleThreadTaskRunner> task_runner); | |
| 92 | |
| 93 // CommandBuffer implementation: | |
| 94 State GetLastState() override; | |
| 95 int32_t GetLastToken() override; | |
| 96 void Flush(int32_t put_offset) override; | |
| 97 void OrderingBarrier(int32_t put_offset) override; | |
| 98 void WaitForTokenInRange(int32_t start, int32_t end) override; | |
| 99 void WaitForGetOffsetInRange(int32_t start, int32_t end) override; | |
| 100 void SetGetBuffer(int32_t shm_id) override; | |
| 101 scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size, | |
| 102 int32_t* id) override; | |
| 103 void DestroyTransferBuffer(int32_t id) override; | |
| 104 gpu::error::Error GetLastError() override; | |
| 105 | |
| 106 // GpuControl implementation: | |
| 107 // NOTE: The GpuControlClient will be called on the client thread. | |
| 108 void SetGpuControlClient(GpuControlClient*) override; | |
| 109 gpu::Capabilities GetCapabilities() override; | |
| 110 int32_t CreateImage(ClientBuffer buffer, | |
| 111 size_t width, | |
| 112 size_t height, | |
| 113 unsigned internalformat) override; | |
| 114 void DestroyImage(int32_t id) override; | |
| 115 int32_t CreateGpuMemoryBufferImage(size_t width, | |
| 116 size_t height, | |
| 117 unsigned internalformat, | |
| 118 unsigned usage) override; | |
| 119 void SignalQuery(uint32_t query_id, const base::Closure& callback) override; | |
| 120 void SetLock(base::Lock*) override; | |
| 121 void EnsureWorkVisible() override; | |
| 122 CommandBufferNamespace GetNamespaceID() const override; | |
| 123 CommandBufferId GetCommandBufferID() const override; | |
| 124 int32_t GetExtraCommandBufferData() const override; | |
| 125 uint64_t GenerateFenceSyncRelease() override; | |
| 126 bool IsFenceSyncRelease(uint64_t release) override; | |
| 127 bool IsFenceSyncFlushed(uint64_t release) override; | |
| 128 bool IsFenceSyncFlushReceived(uint64_t release) override; | |
| 129 void SignalSyncToken(const SyncToken& sync_token, | |
| 130 const base::Closure& callback) override; | |
| 131 bool CanWaitUnverifiedSyncToken(const SyncToken* sync_token) override; | |
| 132 | |
| 133 // The serializer interface to the GPU service (i.e. thread). | |
| 134 class Service { | |
| 135 public: | |
| 136 Service(); | |
| 137 Service(const gpu::GpuPreferences& gpu_preferences); | |
| 138 virtual ~Service(); | |
| 139 | |
| 140 virtual void AddRef() const = 0; | |
| 141 virtual void Release() const = 0; | |
| 142 | |
| 143 // Queues a task to run as soon as possible. | |
| 144 virtual void ScheduleTask(const base::Closure& task) = 0; | |
| 145 | |
| 146 // Schedules |callback| to run at an appropriate time for performing delayed | |
| 147 // work. | |
| 148 virtual void ScheduleDelayedWork(const base::Closure& task) = 0; | |
| 149 | |
| 150 virtual bool UseVirtualizedGLContexts() = 0; | |
| 151 virtual scoped_refptr<gles2::ShaderTranslatorCache> | |
| 152 shader_translator_cache() = 0; | |
| 153 virtual scoped_refptr<gles2::FramebufferCompletenessCache> | |
| 154 framebuffer_completeness_cache() = 0; | |
| 155 virtual SyncPointManager* sync_point_manager() = 0; | |
| 156 const GpuPreferences& gpu_preferences(); | |
| 157 const GpuDriverBugWorkarounds& gpu_driver_bug_workarounds(); | |
| 158 scoped_refptr<gl::GLShareGroup> share_group(); | |
| 159 scoped_refptr<gles2::MailboxManager> mailbox_manager(); | |
| 160 gpu::gles2::ProgramCache* program_cache(); | |
| 161 | |
| 162 private: | |
| 163 const GpuPreferences gpu_preferences_; | |
| 164 const GpuDriverBugWorkarounds gpu_driver_bug_workarounds_; | |
| 165 scoped_refptr<gl::GLShareGroup> share_group_; | |
| 166 scoped_refptr<gles2::MailboxManager> mailbox_manager_; | |
| 167 std::unique_ptr<gpu::gles2::ProgramCache> program_cache_; | |
| 168 }; | |
| 169 | |
| 170 private: | |
| 171 struct InitializeOnGpuThreadParams { | |
| 172 bool is_offscreen; | |
| 173 gfx::AcceleratedWidget window; | |
| 174 const gles2::ContextCreationAttribHelper& attribs; | |
| 175 gpu::Capabilities* capabilities; // Ouptut. | |
| 176 InProcessCommandBuffer* context_group; | |
| 177 ImageFactory* image_factory; | |
| 178 | |
| 179 InitializeOnGpuThreadParams( | |
| 180 bool is_offscreen, | |
| 181 gfx::AcceleratedWidget window, | |
| 182 const gles2::ContextCreationAttribHelper& attribs, | |
| 183 gpu::Capabilities* capabilities, | |
| 184 InProcessCommandBuffer* share_group, | |
| 185 ImageFactory* image_factory) | |
| 186 : is_offscreen(is_offscreen), | |
| 187 window(window), | |
| 188 attribs(attribs), | |
| 189 capabilities(capabilities), | |
| 190 context_group(share_group), | |
| 191 image_factory(image_factory) {} | |
| 192 }; | |
| 193 | |
| 194 bool InitializeOnGpuThread(const InitializeOnGpuThreadParams& params); | |
| 195 void Destroy(); | |
| 196 bool DestroyOnGpuThread(); | |
| 197 void FlushOnGpuThread(int32_t put_offset, uint32_t order_num); | |
| 198 void ScheduleDelayedWorkOnGpuThread(); | |
| 199 bool MakeCurrent(); | |
| 200 base::Closure WrapCallback(const base::Closure& callback); | |
| 201 State GetStateFast(); | |
| 202 void QueueTask(const base::Closure& task) { service_->ScheduleTask(task); } | |
| 203 void CheckSequencedThread(); | |
| 204 void FenceSyncReleaseOnGpuThread(uint64_t release); | |
| 205 bool WaitFenceSyncOnGpuThread(gpu::CommandBufferNamespace namespace_id, | |
| 206 gpu::CommandBufferId command_buffer_id, | |
| 207 uint64_t release); | |
| 208 void DescheduleUntilFinishedOnGpuThread(); | |
| 209 void RescheduleAfterFinishedOnGpuThread(); | |
| 210 void SignalSyncTokenOnGpuThread(const SyncToken& sync_token, | |
| 211 const base::Closure& callback); | |
| 212 void SignalQueryOnGpuThread(unsigned query_id, const base::Closure& callback); | |
| 213 void DestroyTransferBufferOnGpuThread(int32_t id); | |
| 214 void CreateImageOnGpuThread(int32_t id, | |
| 215 const gfx::GpuMemoryBufferHandle& handle, | |
| 216 const gfx::Size& size, | |
| 217 gfx::BufferFormat format, | |
| 218 uint32_t internalformat, | |
| 219 uint32_t order_num, | |
| 220 uint64_t fence_sync); | |
| 221 void DestroyImageOnGpuThread(int32_t id); | |
| 222 void SetGetBufferOnGpuThread(int32_t shm_id, base::WaitableEvent* completion); | |
| 223 | |
| 224 // Callbacks on the gpu thread. | |
| 225 void OnContextLostOnGpuThread(); | |
| 226 void PumpCommandsOnGpuThread(); | |
| 227 void PerformDelayedWorkOnGpuThread(); | |
| 228 // Callback implementations on the client thread. | |
| 229 void OnContextLost(); | |
| 230 | |
| 231 const CommandBufferId command_buffer_id_; | |
| 232 | |
| 233 // Members accessed on the gpu thread (possibly with the exception of | |
| 234 // creation): | |
| 235 scoped_refptr<base::SingleThreadTaskRunner> origin_task_runner_; | |
| 236 scoped_refptr<TransferBufferManagerInterface> transfer_buffer_manager_; | |
| 237 std::unique_ptr<CommandExecutor> executor_; | |
| 238 std::unique_ptr<gles2::GLES2Decoder> decoder_; | |
| 239 scoped_refptr<gl::GLContext> context_; | |
| 240 scoped_refptr<gl::GLSurface> surface_; | |
| 241 scoped_refptr<SyncPointOrderData> sync_point_order_data_; | |
| 242 std::unique_ptr<SyncPointClient> sync_point_client_; | |
| 243 base::Closure context_lost_callback_; | |
| 244 // Used to throttle PerformDelayedWorkOnGpuThread. | |
| 245 bool delayed_work_pending_; | |
| 246 ImageFactory* image_factory_; | |
| 247 | |
| 248 // Members accessed on the client thread: | |
| 249 GpuControlClient* gpu_control_client_; | |
| 250 #if DCHECK_IS_ON() | |
| 251 bool context_lost_; | |
| 252 #endif | |
| 253 State last_state_; | |
| 254 int32_t last_put_offset_; | |
| 255 gpu::Capabilities capabilities_; | |
| 256 GpuMemoryBufferManager* gpu_memory_buffer_manager_; | |
| 257 base::AtomicSequenceNumber next_image_id_; | |
| 258 uint64_t next_fence_sync_release_; | |
| 259 uint64_t flushed_fence_sync_release_; | |
| 260 | |
| 261 // Accessed on both threads: | |
| 262 std::unique_ptr<CommandBufferServiceBase> command_buffer_; | |
| 263 base::Lock command_buffer_lock_; | |
| 264 base::WaitableEvent flush_event_; | |
| 265 scoped_refptr<Service> service_; | |
| 266 State state_after_last_flush_; | |
| 267 base::Lock state_after_last_flush_lock_; | |
| 268 scoped_refptr<gl::GLShareGroup> gl_share_group_; | |
| 269 base::WaitableEvent fence_sync_wait_event_; | |
| 270 | |
| 271 // Only used with explicit scheduling and the gpu thread is the same as | |
| 272 // the client thread. | |
| 273 std::unique_ptr<base::SequenceChecker> sequence_checker_; | |
| 274 | |
| 275 base::WeakPtr<InProcessCommandBuffer> client_thread_weak_ptr_; | |
| 276 base::WeakPtr<InProcessCommandBuffer> gpu_thread_weak_ptr_; | |
| 277 base::WeakPtrFactory<InProcessCommandBuffer> client_thread_weak_ptr_factory_; | |
| 278 base::WeakPtrFactory<InProcessCommandBuffer> gpu_thread_weak_ptr_factory_; | |
| 279 | |
| 280 DISALLOW_COPY_AND_ASSIGN(InProcessCommandBuffer); | |
| 281 }; | |
| 282 | |
| 283 // Default Service class when a null service is used. | |
| 284 class GPU_EXPORT GpuInProcessThread | |
| 285 : public base::Thread, | |
| 286 public NON_EXPORTED_BASE(InProcessCommandBuffer::Service), | |
| 287 public base::RefCountedThreadSafe<GpuInProcessThread> { | |
| 288 public: | |
| 289 explicit GpuInProcessThread(SyncPointManager* sync_point_manager); | |
| 290 | |
| 291 void AddRef() const override; | |
| 292 void Release() const override; | |
| 293 void ScheduleTask(const base::Closure& task) override; | |
| 294 void ScheduleDelayedWork(const base::Closure& callback) override; | |
| 295 bool UseVirtualizedGLContexts() override; | |
| 296 scoped_refptr<gles2::ShaderTranslatorCache> shader_translator_cache() | |
| 297 override; | |
| 298 scoped_refptr<gles2::FramebufferCompletenessCache> | |
| 299 framebuffer_completeness_cache() override; | |
| 300 SyncPointManager* sync_point_manager() override; | |
| 301 | |
| 302 private: | |
| 303 ~GpuInProcessThread() override; | |
| 304 friend class base::RefCountedThreadSafe<GpuInProcessThread>; | |
| 305 | |
| 306 SyncPointManager* sync_point_manager_; // Non-owning. | |
| 307 scoped_refptr<gpu::gles2::ShaderTranslatorCache> shader_translator_cache_; | |
| 308 scoped_refptr<gpu::gles2::FramebufferCompletenessCache> | |
| 309 framebuffer_completeness_cache_; | |
| 310 DISALLOW_COPY_AND_ASSIGN(GpuInProcessThread); | |
| 311 }; | |
| 312 | |
| 313 } // namespace gpu | |
| 314 | |
| 315 #endif // GPU_COMMAND_BUFFER_SERVICE_IN_PROCESS_COMMAND_BUFFER_H_ | |
| OLD | NEW |