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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 GPU_IPC_COMMAND_BUFFER_PROXY_H_ | 5 #ifndef GPU_IPC_COMMAND_BUFFER_PROXY_H_ |
6 #define GPU_IPC_COMMAND_BUFFER_PROXY_H_ | 6 #define GPU_IPC_COMMAND_BUFFER_PROXY_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
11 #include "gpu/command_buffer/common/command_buffer.h" | 11 #include "gpu/command_buffer/common/command_buffer.h" |
12 #include "gpu/command_buffer/common/command_buffer_shared.h" | 12 #include "gpu/command_buffer/common/command_buffer_shared.h" |
13 | 13 |
14 // TODO(fsamuel): this is a layering violation. http://crbug.com/157175 | |
15 namespace content { | |
16 struct GpuMemoryAllocationForRenderer; | |
17 } | |
18 | |
19 // Client side proxy that forwards messages synchronously to a | 14 // Client side proxy that forwards messages synchronously to a |
20 // CommandBufferStub. | 15 // CommandBufferStub. |
21 class GPU_EXPORT CommandBufferProxy : public gpu::CommandBuffer { | 16 class GPU_EXPORT CommandBufferProxy : public gpu::CommandBuffer { |
22 public: | 17 public: |
23 typedef base::Callback<void( | 18 typedef base::Callback<void( |
24 const std::string& msg, int id)> GpuConsoleMessageCallback; | 19 const std::string& msg, int id)> GpuConsoleMessageCallback; |
25 | 20 |
26 CommandBufferProxy() { } | 21 CommandBufferProxy() { } |
27 | 22 |
28 virtual ~CommandBufferProxy() { } | 23 virtual ~CommandBufferProxy() { } |
29 | 24 |
30 virtual int GetRouteID() const = 0; | 25 virtual int GetRouteID() const = 0; |
31 | 26 |
32 // Invoke the task when the channel has been flushed. Takes care of deleting | 27 // Invoke the task when the channel has been flushed. Takes care of deleting |
33 // the task whether the echo succeeds or not. | 28 // the task whether the echo succeeds or not. |
34 virtual bool Echo(const base::Closure& callback) = 0; | 29 virtual bool Echo(const base::Closure& callback) = 0; |
35 | 30 |
36 // Sends an IPC message with the new state of surface visibility. | |
37 virtual bool SetSurfaceVisible(bool visible) = 0; | |
38 | |
39 virtual bool DiscardBackbuffer() = 0; | |
40 virtual bool EnsureBackbuffer() = 0; | |
41 | |
42 // Inserts a sync point, returning its ID. This is handled on the IO thread of | |
43 // the GPU process, and so should be relatively fast, but its effect is | |
44 // ordered wrt other messages (in particular, Flush). Sync point IDs are | |
45 // global and can be used for cross-channel synchronization. | |
46 virtual uint32 InsertSyncPoint() = 0; | |
47 | |
48 // Makes this command buffer wait on a sync point. This command buffer will be | |
49 // unscheduled until the command buffer that inserted that sync point reaches | |
50 // it, or gets destroyed. | |
51 virtual void WaitSyncPoint(uint32) = 0; | |
52 | |
53 // Makes this command buffer invoke a task when a sync point is reached, or | |
54 // the command buffer that inserted that sync point is destroyed. | |
55 virtual bool SignalSyncPoint(uint32 sync_point, | |
56 const base::Closure& callback) = 0; | |
57 | |
58 // Register a callback to invoke whenever we recieve a new memory allocation. | |
59 virtual void SetMemoryAllocationChangedCallback( | |
60 const base::Callback<void( | |
61 const content::GpuMemoryAllocationForRenderer&)>& callback) = 0; | |
62 | |
63 // Reparent a command buffer. TODO(apatrick): going forward, the notion of | 31 // Reparent a command buffer. TODO(apatrick): going forward, the notion of |
64 // the parent / child relationship between command buffers is going away in | 32 // the parent / child relationship between command buffers is going away in |
65 // favor of the notion of surfaces that can be drawn to in one command buffer | 33 // favor of the notion of surfaces that can be drawn to in one command buffer |
66 // and bound as a texture in any other. | 34 // and bound as a texture in any other. |
67 virtual bool SetParent(CommandBufferProxy* parent_command_buffer, | 35 virtual bool SetParent(CommandBufferProxy* parent_command_buffer, |
68 uint32 parent_texture_id) = 0; | 36 uint32 parent_texture_id) = 0; |
69 | 37 |
70 virtual void SetChannelErrorCallback(const base::Closure& callback) = 0; | 38 virtual void SetChannelErrorCallback(const base::Closure& callback) = 0; |
71 | 39 |
72 // Set a task that will be invoked the next time the window becomes invalid | |
73 // and needs to be repainted. Takes ownership of task. | |
74 virtual void SetNotifyRepaintTask(const base::Closure& callback) = 0; | |
75 | |
76 virtual void SetOnConsoleMessageCallback( | |
77 const GpuConsoleMessageCallback& callback) = 0; | |
78 | |
79 private: | 40 private: |
80 DISALLOW_COPY_AND_ASSIGN(CommandBufferProxy); | 41 DISALLOW_COPY_AND_ASSIGN(CommandBufferProxy); |
81 }; | 42 }; |
82 | 43 |
83 #endif // GPU_IPC_COMMAND_BUFFER_PROXY_H_ | 44 #endif // GPU_IPC_COMMAND_BUFFER_PROXY_H_ |
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