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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 #include "context_provider_from_context_factory.h" | |
6 | |
7 #include "base/logging.h" | |
8 | |
9 namespace ui { | |
10 | |
11 // static | |
12 scoped_refptr<ContextProviderFromContextFactory> | |
13 ContextProviderFromContextFactory::CreateForOffscreen(ContextFactory* factory) { | |
14 scoped_refptr<ContextProviderFromContextFactory> provider = | |
15 new ContextProviderFromContextFactory(factory); | |
16 if (!provider->InitializeOnMainThread()) | |
17 return NULL; | |
18 return provider; | |
19 } | |
20 | |
21 ContextProviderFromContextFactory::ContextProviderFromContextFactory( | |
22 ContextFactory* factory) | |
23 : factory_(factory), | |
24 destroyed_(false) { | |
25 } | |
26 | |
27 ContextProviderFromContextFactory::~ContextProviderFromContextFactory() { | |
28 } | |
29 | |
30 bool ContextProviderFromContextFactory::BindToCurrentThread() { | |
31 DCHECK(context3d_); | |
32 return context3d_->makeContextCurrent(); | |
33 } | |
34 | |
35 WebKit::WebGraphicsContext3D* ContextProviderFromContextFactory::Context3d() { | |
36 DCHECK(context3d_); | |
37 return context3d_.get(); | |
38 } | |
39 | |
40 class GrContext* ContextProviderFromContextFactory::GrContext() { | |
41 DCHECK(context3d_); | |
42 | |
43 if (!gr_context_) { | |
44 gr_context_.reset( | |
45 new webkit::gpu::GrContextForWebGraphicsContext3D(context3d_.get())); | |
46 } | |
47 return gr_context_->get(); | |
48 } | |
49 | |
50 void ContextProviderFromContextFactory::VerifyContexts() { | |
51 DCHECK(context3d_); | |
52 | |
53 if (context3d_->isContextLost()) { | |
54 base::AutoLock lock(destroyed_lock_); | |
55 destroyed_ = true; | |
56 } | |
57 } | |
58 | |
59 bool ContextProviderFromContextFactory::DestroyedOnMainThread() { | |
60 base::AutoLock lock(destroyed_lock_); | |
61 return destroyed_; | |
62 } | |
63 | |
64 void ContextProviderFromContextFactory::SetLostContextCallback( | |
65 const LostContextCallback& cb) { | |
66 NOTIMPLEMENTED(); | |
67 } | |
68 | |
69 bool ContextProviderFromContextFactory::InitializeOnMainThread() { | |
70 if (context3d_) | |
71 return true; | |
72 context3d_ = factory_->CreateOffscreenContext(); | |
73 return !!context3d_; | |
74 } | |
75 | |
76 } // namespace ui | |
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