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
3 // found in the LICENSE file.
5 #ifndef PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_
6 #define PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_
8 #include "base/callback.h"
9 #include "base/containers/hash_tables.h"
10 #include "base/memory/scoped_ptr.h"
11 #include "gpu/command_buffer/client/gpu_control.h"
12 #include "gpu/command_buffer/common/command_buffer.h"
13 #include "gpu/command_buffer/common/command_buffer_shared.h"
14 #include "ppapi/proxy/ppapi_proxy_export.h"
15 #include "ppapi/shared_impl/host_resource.h"
25 class SerializedHandle
;
27 class PPAPI_PROXY_EXPORT PpapiCommandBufferProxy
: public gpu::CommandBuffer
,
28 public gpu::GpuControl
{
30 PpapiCommandBufferProxy(const HostResource
& resource
,
31 ProxyChannel
* channel
,
32 const gpu::Capabilities
& capabilities
,
33 const SerializedHandle
& shared_state
);
34 virtual ~PpapiCommandBufferProxy();
36 // gpu::CommandBuffer implementation:
37 virtual bool Initialize() override
;
38 virtual State
GetLastState() override
;
39 virtual int32
GetLastToken() override
;
40 virtual void Flush(int32 put_offset
) override
;
41 virtual void OrderingBarrier(int32 put_offset
) override
;
42 virtual void WaitForTokenInRange(int32 start
, int32 end
) override
;
43 virtual void WaitForGetOffsetInRange(int32 start
, int32 end
) override
;
44 virtual void SetGetBuffer(int32 transfer_buffer_id
) override
;
45 virtual scoped_refptr
<gpu::Buffer
> CreateTransferBuffer(size_t size
,
47 virtual void DestroyTransferBuffer(int32 id
) override
;
49 // gpu::GpuControl implementation:
50 virtual gpu::Capabilities
GetCapabilities() override
;
51 virtual int32
CreateImage(ClientBuffer buffer
,
54 unsigned internalformat
) override
;
55 virtual void DestroyImage(int32 id
) override
;
56 virtual int32
CreateGpuMemoryBufferImage(size_t width
,
58 unsigned internalformat
,
59 unsigned usage
) override
;
60 virtual uint32
InsertSyncPoint() override
;
61 virtual uint32
InsertFutureSyncPoint() override
;
62 virtual void RetireSyncPoint(uint32 sync_point
) override
;
63 virtual void SignalSyncPoint(uint32 sync_point
,
64 const base::Closure
& callback
) override
;
65 virtual void SignalQuery(uint32 query
,
66 const base::Closure
& callback
) override
;
67 virtual void SetSurfaceVisible(bool visible
) override
;
68 virtual uint32
CreateStreamTexture(uint32 texture_id
) override
;
69 void SetLock(base::Lock
*) override
;
72 bool Send(IPC::Message
* msg
);
73 void UpdateState(const gpu::CommandBuffer::State
& state
, bool success
);
75 // Try to read an updated copy of the state from shared memory.
76 void TryUpdateState();
78 // The shared memory area used to update state.
79 gpu::CommandBufferSharedState
* shared_state() const;
81 gpu::Capabilities capabilities_
;
83 scoped_ptr
<base::SharedMemory
> shared_state_shm_
;
85 HostResource resource_
;
86 ProxyChannel
* channel_
;
88 base::Closure channel_error_callback_
;
90 DISALLOW_COPY_AND_ASSIGN(PpapiCommandBufferProxy
);
96 #endif // PPAPI_PROXY_COMMAND_BUFFER_PROXY_H_