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1 // Copyright 2015 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_GLES2_GPU_STATE_H_ | |
6 #define COMPONENTS_GLES2_GPU_STATE_H_ | |
7 | |
8 #include "base/memory/ref_counted.h" | |
9 #include "base/single_thread_task_runner.h" | |
10 #include "base/threading/thread.h" | |
11 #include "gpu/command_buffer/service/mailbox_manager_impl.h" | |
12 #include "gpu/command_buffer/service/sync_point_manager.h" | |
13 #include "ui/gl/gl_share_group.h" | |
14 | |
15 namespace gles2 { | |
16 | |
17 // We need to share these across all CommandBuffer instances so that contexts | |
18 // they create can share resources with each other via mailboxes. | |
19 class GpuState : public base::RefCounted<GpuState> { | |
20 public: | |
21 GpuState(); | |
22 | |
23 // We run the CommandBufferImpl on the control_task_runner, which forwards | |
24 // most method class to the CommandBufferDriver, which runs on the "driver", | |
25 // thread (i.e., the thread on which GpuImpl instances are created). | |
26 scoped_refptr<base::SingleThreadTaskRunner> control_task_runner() { | |
27 return control_thread_.task_runner(); | |
28 } | |
29 | |
30 // These objects are intended to be used on the "driver" thread (i.e., the | |
31 // thread on which GpuImpl instances are created). | |
32 gfx::GLShareGroup* share_group() const { return share_group_.get(); } | |
33 gpu::gles2::MailboxManager* mailbox_manager() const { | |
34 return mailbox_manager_.get(); | |
35 } | |
36 gpu::SyncPointManager* sync_point_manager() const { | |
37 return sync_point_manager_.get(); | |
38 } | |
39 | |
40 private: | |
41 friend class base::RefCounted<GpuState>; | |
42 ~GpuState(); | |
43 | |
44 base::Thread control_thread_; | |
45 scoped_refptr<gpu::SyncPointManager> sync_point_manager_; | |
46 scoped_refptr<gfx::GLShareGroup> share_group_; | |
47 scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_; | |
48 }; | |
49 | |
50 } // namespace gles2 | |
51 | |
52 #endif // COMPONENTS_GLES2_GPU_STATE_H_ | |
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