OLD | NEW |
| (Empty) |
1 // Copyright 2014 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. | |
4 | |
5 #ifndef COMPONENTS_VIEW_MANAGER_GLES2_COMMAND_BUFFER_IMPL_H_ | |
6 #define COMPONENTS_VIEW_MANAGER_GLES2_COMMAND_BUFFER_IMPL_H_ | |
7 | |
8 #include "base/memory/scoped_ptr.h" | |
9 #include "base/memory/weak_ptr.h" | |
10 #include "base/single_thread_task_runner.h" | |
11 #include "components/view_manager/public/interfaces/command_buffer.mojom.h" | |
12 #include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h" | |
13 | |
14 namespace gles2 { | |
15 class CommandBufferDriver; | |
16 class CommandBufferImplObserver; | |
17 class GpuState; | |
18 | |
19 // This class listens to the CommandBuffer message pipe on a low-latency thread | |
20 // so that we can insert sync points without blocking on the GL driver. It | |
21 // forwards most method calls to the CommandBufferDriver, which runs on the | |
22 // same thread as the native viewport. | |
23 class CommandBufferImpl : public mojo::CommandBuffer { | |
24 public: | |
25 CommandBufferImpl(mojo::InterfaceRequest<CommandBuffer> request, | |
26 scoped_refptr<GpuState> gpu_state, | |
27 scoped_ptr<CommandBufferDriver> driver); | |
28 | |
29 // mojo::CommandBuffer: | |
30 void Initialize(mojo::CommandBufferSyncClientPtr sync_client, | |
31 mojo::CommandBufferSyncPointClientPtr sync_point_client, | |
32 mojo::CommandBufferLostContextObserverPtr loss_observer, | |
33 mojo::ScopedSharedBufferHandle shared_state) override; | |
34 void SetGetBuffer(int32_t buffer) override; | |
35 void Flush(int32_t put_offset) override; | |
36 void MakeProgress(int32_t last_get_offset) override; | |
37 void RegisterTransferBuffer(int32_t id, | |
38 mojo::ScopedSharedBufferHandle transfer_buffer, | |
39 uint32_t size) override; | |
40 void DestroyTransferBuffer(int32_t id) override; | |
41 void InsertSyncPoint(bool retire) override; | |
42 void RetireSyncPoint(uint32_t sync_point) override; | |
43 void Echo(const mojo::Callback<void()>& callback) override; | |
44 void CreateImage(int32_t id, | |
45 mojo::ScopedHandle memory_handle, | |
46 int32_t type, | |
47 mojo::SizePtr size, | |
48 int32_t format, | |
49 int32_t internal_format) override; | |
50 void DestroyImage(int32_t id) override; | |
51 | |
52 void DidLoseContext(); | |
53 | |
54 void set_observer(CommandBufferImplObserver* observer) { | |
55 observer_ = observer; | |
56 } | |
57 | |
58 private: | |
59 class CommandBufferDriverClientImpl; | |
60 | |
61 friend class base::DeleteHelper<CommandBufferImpl>; | |
62 | |
63 ~CommandBufferImpl() override; | |
64 | |
65 void BindToRequest(mojo::InterfaceRequest<CommandBuffer> request); | |
66 | |
67 void OnConnectionError(); | |
68 | |
69 scoped_refptr<GpuState> gpu_state_; | |
70 scoped_refptr<base::SingleThreadTaskRunner> driver_task_runner_; | |
71 scoped_ptr<CommandBufferDriver> driver_; | |
72 mojo::CommandBufferSyncPointClientPtr sync_point_client_; | |
73 mojo::Binding<CommandBuffer> binding_; | |
74 CommandBufferImplObserver* observer_; | |
75 base::WeakPtrFactory<CommandBufferImpl> weak_ptr_factory_; | |
76 | |
77 DISALLOW_COPY_AND_ASSIGN(CommandBufferImpl); | |
78 }; | |
79 | |
80 } // namespace gles2 | |
81 | |
82 #endif // COMPONENTS_VIEW_MANAGER_GLES2_COMMAND_BUFFER_IMPL_H_ | |
OLD | NEW |