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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 "services/surfaces/context_provider_mojo.h" | |
6 | |
7 #include "base/logging.h" | |
8 #include "mojo/gpu/mojo_context_support.h" | |
9 #include "mojo/gpu/mojo_gles2_impl_autogen.h" | |
10 #include "mojo/public/cpp/environment/environment.h" | |
11 | |
12 namespace mojo { | |
13 | |
14 ContextProviderMojo::ContextProviderMojo( | |
15 ScopedMessagePipeHandle command_buffer_handle) | |
16 : command_buffer_handle_(command_buffer_handle.Pass()), | |
17 context_(nullptr), | |
18 context_lost_(false) { | |
19 } | |
20 | |
21 bool ContextProviderMojo::BindToCurrentThread() { | |
22 DCHECK(command_buffer_handle_.is_valid()); | |
23 context_ = MGLCreateContext(MGL_API_VERSION_GLES2, | |
24 command_buffer_handle_.release().value(), | |
25 MGL_NO_CONTEXT, &ContextLostThunk, this, | |
26 Environment::GetDefaultAsyncWaiter()); | |
27 DCHECK(context_); | |
28 context_support_.reset(new MojoContextSupport(context_)); | |
29 gles2_impl_.reset(new MojoGLES2Impl(context_)); | |
30 return !!context_; | |
31 } | |
32 | |
33 gpu::gles2::GLES2Interface* ContextProviderMojo::ContextGL() { | |
34 return gles2_impl_.get(); | |
35 } | |
36 | |
37 gpu::ContextSupport* ContextProviderMojo::ContextSupport() { | |
38 return context_support_.get(); | |
39 } | |
40 | |
41 class GrContext* ContextProviderMojo::GrContext() { | |
42 return NULL; | |
43 } | |
44 | |
45 cc::ContextProvider::Capabilities ContextProviderMojo::ContextCapabilities() { | |
46 return capabilities_; | |
47 } | |
48 | |
49 void ContextProviderMojo::SetupLock() { | |
50 } | |
51 | |
52 base::Lock* ContextProviderMojo::GetLock() { | |
53 return &context_lock_; | |
54 } | |
55 | |
56 bool ContextProviderMojo::IsContextLost() { | |
57 return context_lost_; | |
58 } | |
59 bool ContextProviderMojo::DestroyedOnMainThread() { | |
60 return !context_; | |
61 } | |
62 | |
63 void ContextProviderMojo::SetLostContextCallback( | |
64 const LostContextCallback& lost_context_callback) { | |
65 lost_context_callback_ = lost_context_callback; | |
66 } | |
67 | |
68 ContextProviderMojo::~ContextProviderMojo() { | |
69 if (context_) | |
70 MGLDestroyContext(context_); | |
71 } | |
72 | |
73 void ContextProviderMojo::ContextLost() { | |
74 context_lost_ = true; | |
75 if (!lost_context_callback_.is_null()) | |
76 lost_context_callback_.Run(); | |
77 } | |
78 | |
79 } // namespace mojo | |
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