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1 // Copyright (c) 2011 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 "ui/gfx/gl/scoped_make_current.h" | |
6 | |
7 #include "base/logging.h" | |
8 | |
9 namespace gfx { | |
10 | |
11 ScopedMakeCurrent::ScopedMakeCurrent(GLContext* context, GLSurface* surface) | |
12 : previous_context_(GLContext::GetCurrent()) | |
13 , previous_surface_(GLSurface::GetCurrent()) | |
14 , context_(context) | |
15 , surface_(surface) | |
16 , succeeded_(false) { | |
17 DCHECK(context); | |
18 DCHECK(surface); | |
19 succeeded_ = context->MakeCurrent(surface); | |
20 } | |
21 | |
22 ScopedMakeCurrent::~ScopedMakeCurrent() { | |
23 if (previous_context_.get()) { | |
24 DCHECK(previous_surface_.get()); | |
25 previous_context_->MakeCurrent(previous_surface_.get()); | |
26 } else { | |
27 context_->ReleaseCurrent(surface_.get()); | |
28 } | |
29 } | |
30 | |
31 bool ScopedMakeCurrent::Succeeded() { | |
32 return succeeded_; | |
33 } | |
34 | |
35 } // namespace gfx | |
36 | |
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