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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 #include "components/surfaces/surfaces_context_provider.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "third_party/mojo/src/mojo/public/cpp/environment/environment.h" | |
9 | |
10 namespace surfaces { | |
11 | |
12 SurfacesContextProvider::SurfacesContextProvider( | |
13 mojo::ScopedMessagePipeHandle command_buffer_handle) | |
14 : command_buffer_handle_(command_buffer_handle.Pass()), | |
15 context_(nullptr), | |
16 context_lost_(false) { | |
17 } | |
18 | |
19 bool SurfacesContextProvider::BindToCurrentThread() { | |
20 DCHECK(command_buffer_handle_.is_valid()); | |
21 context_ = MojoGLES2CreateContext(command_buffer_handle_.release().value(), | |
22 &ContextLostThunk, this, | |
23 mojo::Environment::GetDefaultAsyncWaiter()); | |
24 DCHECK(context_); | |
25 return !!context_; | |
26 } | |
27 | |
28 gpu::gles2::GLES2Interface* SurfacesContextProvider::ContextGL() { | |
29 if (!context_) | |
30 return nullptr; | |
31 return static_cast<gpu::gles2::GLES2Interface*>( | |
32 MojoGLES2GetGLES2Interface(context_)); | |
33 } | |
34 | |
35 gpu::ContextSupport* SurfacesContextProvider::ContextSupport() { | |
36 if (!context_) | |
37 return nullptr; | |
38 return static_cast<gpu::ContextSupport*>( | |
39 MojoGLES2GetContextSupport(context_)); | |
40 } | |
41 | |
42 class GrContext* SurfacesContextProvider::GrContext() { | |
43 return NULL; | |
44 } | |
45 | |
46 void SurfacesContextProvider::InvalidateGrContext(uint32_t state) { | |
47 } | |
48 | |
49 cc::ContextProvider::Capabilities | |
50 SurfacesContextProvider::ContextCapabilities() { | |
51 return capabilities_; | |
52 } | |
53 | |
54 void SurfacesContextProvider::SetupLock() { | |
55 } | |
56 | |
57 base::Lock* SurfacesContextProvider::GetLock() { | |
58 return &context_lock_; | |
59 } | |
60 | |
61 bool SurfacesContextProvider::IsContextLost() { | |
62 return context_lost_; | |
63 } | |
64 bool SurfacesContextProvider::DestroyedOnMainThread() { | |
65 return !context_; | |
66 } | |
67 | |
68 void SurfacesContextProvider::SetLostContextCallback( | |
69 const LostContextCallback& lost_context_callback) { | |
70 lost_context_callback_ = lost_context_callback; | |
71 } | |
72 | |
73 SurfacesContextProvider::~SurfacesContextProvider() { | |
74 if (context_) | |
75 MojoGLES2DestroyContext(context_); | |
76 } | |
77 | |
78 void SurfacesContextProvider::ContextLost() { | |
79 context_lost_ = true; | |
80 if (!lost_context_callback_.is_null()) | |
81 lost_context_callback_.Run(); | |
82 } | |
83 | |
84 } // namespace surfaces | |
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