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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 |
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| 83 virtual ~GpuChannelHostFactory() {} | 83 virtual ~GpuChannelHostFactory() {} |
| 84 | 84 |
| 85 virtual bool IsMainThread() = 0; | 85 virtual bool IsMainThread() = 0; |
| 86 virtual scoped_refptr<base::SingleThreadTaskRunner> | 86 virtual scoped_refptr<base::SingleThreadTaskRunner> |
| 87 GetIOThreadTaskRunner() = 0; | 87 GetIOThreadTaskRunner() = 0; |
| 88 virtual scoped_ptr<base::SharedMemory> AllocateSharedMemory(size_t size) = 0; | 88 virtual scoped_ptr<base::SharedMemory> AllocateSharedMemory(size_t size) = 0; |
| 89 virtual CreateCommandBufferResult CreateViewCommandBuffer( | 89 virtual CreateCommandBufferResult CreateViewCommandBuffer( |
| 90 int32 surface_id, | 90 int32 surface_id, |
| 91 const GPUCreateCommandBufferConfig& init_params, | 91 const GPUCreateCommandBufferConfig& init_params, |
| 92 int32 route_id) = 0; | 92 int32 route_id) = 0; |
| 93 virtual bool CreateStreamTexture(int32 image_id, |
| 94 int32 route_id, |
| 95 int32 stream_id) = 0; |
| 93 }; | 96 }; |
| 94 | 97 |
| 95 // Encapsulates an IPC channel between the client and one GPU process. | 98 // Encapsulates an IPC channel between the client and one GPU process. |
| 96 // On the GPU process side there's a corresponding GpuChannel. | 99 // On the GPU process side there's a corresponding GpuChannel. |
| 97 // Every method can be called on any thread with a message loop, except for the | 100 // Every method can be called on any thread with a message loop, except for the |
| 98 // IO thread. | 101 // IO thread. |
| 99 class GpuChannelHost : public IPC::Sender, | 102 class GpuChannelHost : public IPC::Sender, |
| 100 public base::RefCountedThreadSafe<GpuChannelHost> { | 103 public base::RefCountedThreadSafe<GpuChannelHost> { |
| 101 public: | 104 public: |
| 102 // Must be called on the main thread (as defined by the factory). | 105 // Must be called on the main thread (as defined by the factory). |
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| 187 gfx::GpuMemoryBufferHandle ShareGpuMemoryBufferToGpuProcess( | 190 gfx::GpuMemoryBufferHandle ShareGpuMemoryBufferToGpuProcess( |
| 188 const gfx::GpuMemoryBufferHandle& source_handle, | 191 const gfx::GpuMemoryBufferHandle& source_handle, |
| 189 bool* requires_sync_point); | 192 bool* requires_sync_point); |
| 190 | 193 |
| 191 // Reserve one unused image ID. | 194 // Reserve one unused image ID. |
| 192 int32 ReserveImageId(); | 195 int32 ReserveImageId(); |
| 193 | 196 |
| 194 // Generate a route ID guaranteed to be unique for this channel. | 197 // Generate a route ID guaranteed to be unique for this channel. |
| 195 int32 GenerateRouteID(); | 198 int32 GenerateRouteID(); |
| 196 | 199 |
| 200 unsigned CreateStreamTexture(int32 image_id); |
| 201 |
| 197 private: | 202 private: |
| 198 friend class base::RefCountedThreadSafe<GpuChannelHost>; | 203 friend class base::RefCountedThreadSafe<GpuChannelHost>; |
| 199 GpuChannelHost(GpuChannelHostFactory* factory, | 204 GpuChannelHost(GpuChannelHostFactory* factory, |
| 200 const gpu::GPUInfo& gpu_info, | 205 const gpu::GPUInfo& gpu_info, |
| 201 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager); | 206 gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager); |
| 202 ~GpuChannelHost() override; | 207 ~GpuChannelHost() override; |
| 203 void Connect(const IPC::ChannelHandle& channel_handle, | 208 void Connect(const IPC::ChannelHandle& channel_handle, |
| 204 base::WaitableEvent* shutdown_event); | 209 base::WaitableEvent* shutdown_event); |
| 205 bool InternalSend(IPC::Message* msg); | 210 bool InternalSend(IPC::Message* msg); |
| 206 void InternalFlush(); | 211 void InternalFlush(); |
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| 271 base::AtomicSequenceNumber next_route_id_; | 276 base::AtomicSequenceNumber next_route_id_; |
| 272 | 277 |
| 273 // Protects channel_ and proxies_. | 278 // Protects channel_ and proxies_. |
| 274 mutable base::Lock context_lock_; | 279 mutable base::Lock context_lock_; |
| 275 scoped_ptr<IPC::SyncChannel> channel_; | 280 scoped_ptr<IPC::SyncChannel> channel_; |
| 276 // Used to look up a proxy from its routing id. | 281 // Used to look up a proxy from its routing id. |
| 277 typedef base::hash_map<int, CommandBufferProxyImpl*> ProxyMap; | 282 typedef base::hash_map<int, CommandBufferProxyImpl*> ProxyMap; |
| 278 ProxyMap proxies_; | 283 ProxyMap proxies_; |
| 279 ProxyFlushInfo flush_info_; | 284 ProxyFlushInfo flush_info_; |
| 280 | 285 |
| 286 int command_buffer_routing_id_; |
| 287 |
| 281 DISALLOW_COPY_AND_ASSIGN(GpuChannelHost); | 288 DISALLOW_COPY_AND_ASSIGN(GpuChannelHost); |
| 282 }; | 289 }; |
| 283 | 290 |
| 284 } // namespace content | 291 } // namespace content |
| 285 | 292 |
| 286 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_ | 293 #endif // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_ |
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