| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_ |
| #define PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_ |
| |
| #include "base/callback.h" |
| #include "base/containers/hash_tables.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "gpu/command_buffer/client/gpu_control.h" |
| #include "gpu/command_buffer/common/command_buffer.h" |
| #include "gpu/command_buffer/common/command_buffer_shared.h" |
| #include "ppapi/proxy/ppapi_proxy_export.h" |
| #include "ppapi/shared_impl/host_resource.h" |
| |
| namespace IPC { |
| class Message; |
| } |
| |
| namespace ppapi { |
| namespace proxy { |
| |
| class ProxyChannel; |
| class SerializedHandle; |
| |
| class PPAPI_PROXY_EXPORT PpapiCommandBufferProxy : public gpu::CommandBuffer, |
| public gpu::GpuControl { |
| public: |
| PpapiCommandBufferProxy(const HostResource& resource, |
| ProxyChannel* channel, |
| const gpu::Capabilities& capabilities, |
| const SerializedHandle& shared_state); |
| virtual ~PpapiCommandBufferProxy(); |
| |
| // gpu::CommandBuffer implementation: |
| virtual bool Initialize() override; |
| virtual State GetLastState() override; |
| virtual int32 GetLastToken() override; |
| virtual void Flush(int32 put_offset) override; |
| virtual void WaitForTokenInRange(int32 start, int32 end) override; |
| virtual void WaitForGetOffsetInRange(int32 start, int32 end) override; |
| virtual void SetGetBuffer(int32 transfer_buffer_id) override; |
| virtual scoped_refptr<gpu::Buffer> CreateTransferBuffer(size_t size, |
| int32* id) override; |
| virtual void DestroyTransferBuffer(int32 id) override; |
| |
| // gpu::GpuControl implementation: |
| virtual gpu::Capabilities GetCapabilities() override; |
| virtual int32 CreateImage(ClientBuffer buffer, |
| size_t width, |
| size_t height, |
| unsigned internalformat) override; |
| virtual void DestroyImage(int32 id) override; |
| virtual int32 CreateGpuMemoryBufferImage(size_t width, |
| size_t height, |
| unsigned internalformat, |
| unsigned usage) override; |
| virtual uint32 InsertSyncPoint() override; |
| virtual uint32 InsertFutureSyncPoint() override; |
| virtual void RetireSyncPoint(uint32 sync_point) override; |
| virtual void SignalSyncPoint(uint32 sync_point, |
| const base::Closure& callback) override; |
| virtual void SignalQuery(uint32 query, |
| const base::Closure& callback) override; |
| virtual void SetSurfaceVisible(bool visible) override; |
| virtual uint32 CreateStreamTexture(uint32 texture_id) override; |
| |
| private: |
| bool Send(IPC::Message* msg); |
| void UpdateState(const gpu::CommandBuffer::State& state, bool success); |
| |
| // Try to read an updated copy of the state from shared memory. |
| void TryUpdateState(); |
| |
| // The shared memory area used to update state. |
| gpu::CommandBufferSharedState* shared_state() const; |
| |
| gpu::Capabilities capabilities_; |
| State last_state_; |
| scoped_ptr<base::SharedMemory> shared_state_shm_; |
| |
| HostResource resource_; |
| ProxyChannel* channel_; |
| |
| base::Closure channel_error_callback_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PpapiCommandBufferProxy); |
| }; |
| |
| } // namespace proxy |
| } // namespace ppapi |
| |
| #endif // PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_ |