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 CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_UI_SHIM_H_
6 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_UI_SHIM_H_
8 // This class lives on the UI thread and supports classes like the
9 // BackingStoreProxy, which must live on the UI thread. The IO thread
10 // portion of this class, the GpuProcessHost, is responsible for
11 // shuttling messages between the browser and GPU processes.
15 #include "base/callback_forward.h"
16 #include "base/compiler_specific.h"
17 #include "base/memory/linked_ptr.h"
18 #include "base/memory/ref_counted.h"
19 #include "base/threading/non_thread_safe.h"
20 #include "content/common/content_export.h"
21 #include "content/common/message_router.h"
22 #include "content/public/common/gpu_memory_stats.h"
23 #include "gpu/config/gpu_info.h"
24 #include "ipc/ipc_listener.h"
25 #include "ipc/ipc_sender.h"
27 struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params
;
28 struct GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params
;
29 struct GpuHostMsg_AcceleratedSurfaceRelease_Params
;
44 void RouteToGpuProcessHostUIShimTask(int host_id
, const IPC::Message
& msg
);
46 class GpuProcessHostUIShim
: public IPC::Listener
,
48 public base::NonThreadSafe
{
50 // Create a GpuProcessHostUIShim with the given ID. The object can be found
51 // using FromID with the same id.
52 static GpuProcessHostUIShim
* Create(int host_id
);
54 // Destroy the GpuProcessHostUIShim with the given host ID. This can only
55 // be called on the UI thread. Only the GpuProcessHost should destroy the
57 static void Destroy(int host_id
, const std::string
& message
);
59 // Destroy all remaining GpuProcessHostUIShims.
60 CONTENT_EXPORT
static void DestroyAll();
62 CONTENT_EXPORT
static GpuProcessHostUIShim
* FromID(int host_id
);
64 // Get a GpuProcessHostUIShim instance; it doesn't matter which one.
65 // Return NULL if none has been created.
66 CONTENT_EXPORT
static GpuProcessHostUIShim
* GetOneInstance();
68 // IPC::Sender implementation.
69 virtual bool Send(IPC::Message
* msg
) OVERRIDE
;
71 // IPC::Listener implementation.
72 // The GpuProcessHost causes this to be called on the UI thread to
73 // dispatch the incoming messages from the GPU process, which are
74 // actually received on the IO thread.
75 virtual bool OnMessageReceived(const IPC::Message
& message
) OVERRIDE
;
77 CONTENT_EXPORT
void SimulateRemoveAllContext();
78 CONTENT_EXPORT
void SimulateCrash();
79 CONTENT_EXPORT
void SimulateHang();
82 explicit GpuProcessHostUIShim(int host_id
);
83 virtual ~GpuProcessHostUIShim();
86 bool OnControlMessageReceived(const IPC::Message
& message
);
88 void OnLogMessage(int level
, const std::string
& header
,
89 const std::string
& message
);
91 void OnGraphicsInfoCollected(const gpu::GPUInfo
& gpu_info
);
93 void OnAcceleratedSurfaceInitialized(int32 surface_id
, int32 route_id
);
94 void OnAcceleratedSurfaceBuffersSwapped(
95 const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params
& params
);
96 void OnAcceleratedSurfacePostSubBuffer(
97 const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params
& params
);
98 void OnAcceleratedSurfaceSuspend(int32 surface_id
);
99 void OnAcceleratedSurfaceRelease(
100 const GpuHostMsg_AcceleratedSurfaceRelease_Params
& params
);
101 void OnVideoMemoryUsageStatsReceived(
102 const GPUVideoMemoryUsageStats
& video_memory_usage_stats
);
103 void OnFrameDrawn(const std::vector
<ui::LatencyInfo
>& latency_info
);
105 // The serial number of the GpuProcessHost / GpuProcessHostUIShim pair.
109 } // namespace content
111 #endif // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_UI_SHIM_H_