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Issue 8491043: Allow linker initialization of lazy instance (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: willchan comments + rebase Created 9 years, 1 month ago
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "ui/gfx/gl/gl_surface.h" 5 #include "ui/gfx/gl/gl_surface.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/command_line.h" 10 #include "base/command_line.h"
11 #include "base/lazy_instance.h" 11 #include "base/lazy_instance.h"
12 #include "base/logging.h" 12 #include "base/logging.h"
13 #include "base/threading/thread_local.h" 13 #include "base/threading/thread_local.h"
14 #include "ui/gfx/gl/gl_context.h" 14 #include "ui/gfx/gl/gl_context.h"
15 #include "ui/gfx/gl/gl_implementation.h" 15 #include "ui/gfx/gl/gl_implementation.h"
16 16
17 namespace gfx { 17 namespace gfx {
18 18
19 namespace { 19 namespace {
20 base::LazyInstance< 20 base::LazyInstance<
21 base::ThreadLocalPointer<GLSurface>, 21 base::ThreadLocalPointer<GLSurface>,
22 base::LeakyLazyInstanceTraits<base::ThreadLocalPointer<GLSurface> > > 22 base::LeakyLazyInstanceTraits<base::ThreadLocalPointer<GLSurface> > >
23 current_surface_(base::LINKER_INITIALIZED); 23 current_surface_ = LAZY_INSTANCE_INITIALIZER;
24 } // namespace 24 } // namespace
25 25
26 // static 26 // static
27 bool GLSurface::InitializeOneOff() { 27 bool GLSurface::InitializeOneOff() {
28 static bool initialized = false; 28 static bool initialized = false;
29 if (initialized) 29 if (initialized)
30 return true; 30 return true;
31 31
32 std::vector<GLImplementation> allowed_impls; 32 std::vector<GLImplementation> allowed_impls;
33 GetAllowedGLImplementations(&allowed_impls); 33 GetAllowedGLImplementations(&allowed_impls);
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189 189
190 void* GLSurfaceAdapter::GetConfig() { 190 void* GLSurfaceAdapter::GetConfig() {
191 return surface_->GetConfig(); 191 return surface_->GetConfig();
192 } 192 }
193 193
194 unsigned GLSurfaceAdapter::GetFormat() { 194 unsigned GLSurfaceAdapter::GetFormat() {
195 return surface_->GetFormat(); 195 return surface_->GetFormat();
196 } 196 }
197 197
198 } // namespace gfx 198 } // namespace gfx
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