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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_CLIENT_GPU_CHANNEL_HOST_H_ | 5 #ifndef CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_ |
| 6 #define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_ | 6 #define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_ |
| 7 | 7 |
| 8 #include <string> | 8 #include <string> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| (...skipping 29 matching lines...) Expand all Loading... |
| 40 | 40 |
| 41 namespace IPC { | 41 namespace IPC { |
| 42 class SyncMessageFilter; | 42 class SyncMessageFilter; |
| 43 } | 43 } |
| 44 | 44 |
| 45 namespace media { | 45 namespace media { |
| 46 class VideoDecodeAccelerator; | 46 class VideoDecodeAccelerator; |
| 47 class VideoEncodeAccelerator; | 47 class VideoEncodeAccelerator; |
| 48 } | 48 } |
| 49 | 49 |
| 50 namespace cc { | 50 namespace gpu { |
| 51 class GpuMemoryBufferManager; | 51 class GpuMemoryBufferManager; |
| 52 } | 52 } |
| 53 | 53 |
| 54 namespace content { | 54 namespace content { |
| 55 class CommandBufferProxyImpl; | 55 class CommandBufferProxyImpl; |
| 56 class GpuChannelHost; | 56 class GpuChannelHost; |
| 57 | 57 |
| 58 struct GpuListenerInfo { | 58 struct GpuListenerInfo { |
| 59 GpuListenerInfo(); | 59 GpuListenerInfo(); |
| 60 ~GpuListenerInfo(); | 60 ~GpuListenerInfo(); |
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| 83 // IO thread. | 83 // IO thread. |
| 84 class GpuChannelHost : public IPC::Sender, | 84 class GpuChannelHost : public IPC::Sender, |
| 85 public base::RefCountedThreadSafe<GpuChannelHost> { | 85 public base::RefCountedThreadSafe<GpuChannelHost> { |
| 86 public: | 86 public: |
| 87 // Must be called on the main thread (as defined by the factory). | 87 // Must be called on the main thread (as defined by the factory). |
| 88 static scoped_refptr<GpuChannelHost> Create( | 88 static scoped_refptr<GpuChannelHost> Create( |
| 89 GpuChannelHostFactory* factory, | 89 GpuChannelHostFactory* factory, |
| 90 const gpu::GPUInfo& gpu_info, | 90 const gpu::GPUInfo& gpu_info, |
| 91 const IPC::ChannelHandle& channel_handle, | 91 const IPC::ChannelHandle& channel_handle, |
| 92 base::WaitableEvent* shutdown_event, | 92 base::WaitableEvent* shutdown_event, |
| 93 cc::GpuMemoryBufferManager* gpu_memory_buffer_manager); | 93 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager); |
| 94 | 94 |
| 95 bool IsLost() const { | 95 bool IsLost() const { |
| 96 DCHECK(channel_filter_.get()); | 96 DCHECK(channel_filter_.get()); |
| 97 return channel_filter_->IsLost(); | 97 return channel_filter_->IsLost(); |
| 98 } | 98 } |
| 99 | 99 |
| 100 // The GPU stats reported by the GPU process. | 100 // The GPU stats reported by the GPU process. |
| 101 const gpu::GPUInfo& gpu_info() const { return gpu_info_; } | 101 const gpu::GPUInfo& gpu_info() const { return gpu_info_; } |
| 102 | 102 |
| 103 // IPC::Sender implementation: | 103 // IPC::Sender implementation: |
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| 129 | 129 |
| 130 // Destroy a command buffer created by this channel. | 130 // Destroy a command buffer created by this channel. |
| 131 void DestroyCommandBuffer(CommandBufferProxyImpl* command_buffer); | 131 void DestroyCommandBuffer(CommandBufferProxyImpl* command_buffer); |
| 132 | 132 |
| 133 // Add a route for the current message loop. | 133 // Add a route for the current message loop. |
| 134 void AddRoute(int route_id, base::WeakPtr<IPC::Listener> listener); | 134 void AddRoute(int route_id, base::WeakPtr<IPC::Listener> listener); |
| 135 void RemoveRoute(int route_id); | 135 void RemoveRoute(int route_id); |
| 136 | 136 |
| 137 GpuChannelHostFactory* factory() const { return factory_; } | 137 GpuChannelHostFactory* factory() const { return factory_; } |
| 138 | 138 |
| 139 cc::GpuMemoryBufferManager* gpu_memory_buffer_manager() const { | 139 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager() const { |
| 140 return gpu_memory_buffer_manager_; | 140 return gpu_memory_buffer_manager_; |
| 141 } | 141 } |
| 142 | 142 |
| 143 // Returns a handle to the shared memory that can be sent via IPC to the | 143 // Returns a handle to the shared memory that can be sent via IPC to the |
| 144 // GPU process. The caller is responsible for ensuring it is closed. Returns | 144 // GPU process. The caller is responsible for ensuring it is closed. Returns |
| 145 // an invalid handle on failure. | 145 // an invalid handle on failure. |
| 146 base::SharedMemoryHandle ShareToGpuProcess( | 146 base::SharedMemoryHandle ShareToGpuProcess( |
| 147 base::SharedMemoryHandle source_handle); | 147 base::SharedMemoryHandle source_handle); |
| 148 | 148 |
| 149 // Reserve one unused transfer buffer ID. | 149 // Reserve one unused transfer buffer ID. |
| 150 int32 ReserveTransferBufferId(); | 150 int32 ReserveTransferBufferId(); |
| 151 | 151 |
| 152 // Returns a GPU memory buffer handle to the buffer that can be sent via | 152 // Returns a GPU memory buffer handle to the buffer that can be sent via |
| 153 // IPC to the GPU process. The caller is responsible for ensuring it is | 153 // IPC to the GPU process. The caller is responsible for ensuring it is |
| 154 // closed. Returns an invalid handle on failure. | 154 // closed. Returns an invalid handle on failure. |
| 155 gfx::GpuMemoryBufferHandle ShareGpuMemoryBufferToGpuProcess( | 155 gfx::GpuMemoryBufferHandle ShareGpuMemoryBufferToGpuProcess( |
| 156 gfx::GpuMemoryBufferHandle source_handle); | 156 gfx::GpuMemoryBufferHandle source_handle); |
| 157 | 157 |
| 158 // Reserve one unused image ID. | 158 // Reserve one unused image ID. |
| 159 int32 ReserveImageId(); | 159 int32 ReserveImageId(); |
| 160 | 160 |
| 161 // Generate a route ID guaranteed to be unique for this channel. | 161 // Generate a route ID guaranteed to be unique for this channel. |
| 162 int32 GenerateRouteID(); | 162 int32 GenerateRouteID(); |
| 163 | 163 |
| 164 private: | 164 private: |
| 165 friend class base::RefCountedThreadSafe<GpuChannelHost>; | 165 friend class base::RefCountedThreadSafe<GpuChannelHost>; |
| 166 GpuChannelHost(GpuChannelHostFactory* factory, | 166 GpuChannelHost(GpuChannelHostFactory* factory, |
| 167 const gpu::GPUInfo& gpu_info, | 167 const gpu::GPUInfo& gpu_info, |
| 168 cc::GpuMemoryBufferManager* gpu_memory_buffer_manager); | 168 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager); |
| 169 ~GpuChannelHost() override; | 169 ~GpuChannelHost() override; |
| 170 void Connect(const IPC::ChannelHandle& channel_handle, | 170 void Connect(const IPC::ChannelHandle& channel_handle, |
| 171 base::WaitableEvent* shutdown_event); | 171 base::WaitableEvent* shutdown_event); |
| 172 | 172 |
| 173 // A filter used internally to route incoming messages from the IO thread | 173 // A filter used internally to route incoming messages from the IO thread |
| 174 // to the correct message loop. It also maintains some shared state between | 174 // to the correct message loop. It also maintains some shared state between |
| 175 // all the contexts. | 175 // all the contexts. |
| 176 class MessageFilter : public IPC::MessageFilter { | 176 class MessageFilter : public IPC::MessageFilter { |
| 177 public: | 177 public: |
| 178 MessageFilter(); | 178 MessageFilter(); |
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| 215 // - |next_image_id_|, atomic type | 215 // - |next_image_id_|, atomic type |
| 216 // - |next_route_id_|, atomic type | 216 // - |next_route_id_|, atomic type |
| 217 // - |proxies_|, protected by |context_lock_| | 217 // - |proxies_|, protected by |context_lock_| |
| 218 GpuChannelHostFactory* const factory_; | 218 GpuChannelHostFactory* const factory_; |
| 219 | 219 |
| 220 const gpu::GPUInfo gpu_info_; | 220 const gpu::GPUInfo gpu_info_; |
| 221 | 221 |
| 222 scoped_ptr<IPC::SyncChannel> channel_; | 222 scoped_ptr<IPC::SyncChannel> channel_; |
| 223 scoped_refptr<MessageFilter> channel_filter_; | 223 scoped_refptr<MessageFilter> channel_filter_; |
| 224 | 224 |
| 225 cc::GpuMemoryBufferManager* gpu_memory_buffer_manager_; | 225 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager_; |
| 226 | 226 |
| 227 // A filter for sending messages from thread other than the main thread. | 227 // A filter for sending messages from thread other than the main thread. |
| 228 scoped_refptr<IPC::SyncMessageFilter> sync_filter_; | 228 scoped_refptr<IPC::SyncMessageFilter> sync_filter_; |
| 229 | 229 |
| 230 // Transfer buffer IDs are allocated in sequence. | 230 // Transfer buffer IDs are allocated in sequence. |
| 231 base::AtomicSequenceNumber next_transfer_buffer_id_; | 231 base::AtomicSequenceNumber next_transfer_buffer_id_; |
| 232 | 232 |
| 233 // Image IDs are allocated in sequence. | 233 // Image IDs are allocated in sequence. |
| 234 base::AtomicSequenceNumber next_image_id_; | 234 base::AtomicSequenceNumber next_image_id_; |
| 235 | 235 |
| 236 // Route IDs are allocated in sequence. | 236 // Route IDs are allocated in sequence. |
| 237 base::AtomicSequenceNumber next_route_id_; | 237 base::AtomicSequenceNumber next_route_id_; |
| 238 | 238 |
| 239 // Protects proxies_. | 239 // Protects proxies_. |
| 240 mutable base::Lock context_lock_; | 240 mutable base::Lock context_lock_; |
| 241 // Used to look up a proxy from its routing id. | 241 // Used to look up a proxy from its routing id. |
| 242 typedef base::hash_map<int, CommandBufferProxyImpl*> ProxyMap; | 242 typedef base::hash_map<int, CommandBufferProxyImpl*> ProxyMap; |
| 243 ProxyMap proxies_; | 243 ProxyMap proxies_; |
| 244 | 244 |
| 245 DISALLOW_COPY_AND_ASSIGN(GpuChannelHost); | 245 DISALLOW_COPY_AND_ASSIGN(GpuChannelHost); |
| 246 }; | 246 }; |
| 247 | 247 |
| 248 } // namespace content | 248 } // namespace content |
| 249 | 249 |
| 250 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_ | 250 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_ |
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