Upstream version 7.35.139.0
[platform/framework/web/crosswalk.git] / src / webkit / common / gpu / context_provider_in_process.h
1 // Copyright (c) 2013 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 WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_
6 #define WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_
7
8 #include "base/compiler_specific.h"
9 #include "base/memory/scoped_ptr.h"
10 #include "base/synchronization/lock.h"
11 #include "base/threading/thread_checker.h"
12 #include "webkit/common/gpu/context_provider_web_context.h"
13 #include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
14 #include "webkit/common/gpu/webkit_gpu_export.h"
15
16 namespace blink { class WebGraphicsContext3D; }
17
18 namespace webkit {
19 namespace gpu {
20 class GrContextForWebGraphicsContext3D;
21
22 class WEBKIT_GPU_EXPORT ContextProviderInProcess
23     : NON_EXPORTED_BASE(public ContextProviderWebContext) {
24  public:
25   static scoped_refptr<ContextProviderInProcess> Create(
26       scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d,
27       const std::string& debug_name);
28
29   // Uses default attributes for creating an offscreen context.
30   static scoped_refptr<ContextProviderInProcess> CreateOffscreen(
31       bool lose_context_when_out_of_memory);
32
33   virtual blink::WebGraphicsContext3D* WebContext3D() OVERRIDE;
34
35   virtual bool BindToCurrentThread() OVERRIDE;
36   virtual Capabilities ContextCapabilities() OVERRIDE;
37   virtual ::gpu::gles2::GLES2Interface* ContextGL() OVERRIDE;
38   virtual ::gpu::ContextSupport* ContextSupport() OVERRIDE;
39   virtual class GrContext* GrContext() OVERRIDE;
40   virtual bool IsContextLost() OVERRIDE;
41   virtual void VerifyContexts() OVERRIDE;
42   virtual bool DestroyedOnMainThread() OVERRIDE;
43   virtual void SetLostContextCallback(
44       const LostContextCallback& lost_context_callback) OVERRIDE;
45   virtual void SetMemoryPolicyChangedCallback(
46       const MemoryPolicyChangedCallback& memory_policy_changed_callback)
47       OVERRIDE;
48
49  protected:
50   ContextProviderInProcess(
51       scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d,
52       const std::string& debug_name);
53   virtual ~ContextProviderInProcess();
54
55   void OnLostContext();
56
57  private:
58   void InitializeCapabilities();
59
60   base::ThreadChecker main_thread_checker_;
61   base::ThreadChecker context_thread_checker_;
62
63   scoped_ptr<webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl>
64       context3d_;
65   scoped_ptr<webkit::gpu::GrContextForWebGraphicsContext3D> gr_context_;
66
67   LostContextCallback lost_context_callback_;
68
69   base::Lock destroyed_lock_;
70   bool destroyed_;
71
72   std::string debug_name_;
73   class LostContextCallbackProxy;
74   scoped_ptr<LostContextCallbackProxy> lost_context_callback_proxy_;
75
76   cc::ContextProvider::Capabilities capabilities_;
77
78   DISALLOW_COPY_AND_ASSIGN(ContextProviderInProcess);
79 };
80
81 }  // namespace gpu
82 }  // namespace webkit
83
84 #endif  // WEBKIT_COMMON_GPU_CONTEXT_PROVIDER_IN_PROCESS_H_