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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gl/gl_share_group.h"
#include "base/logging.h"
#include "ui/gl/gl_context.h"
namespace gfx {
GLShareGroup::GLShareGroup()
: shared_context_(NULL)
#if defined(OS_MACOSX)
, renderer_id_(-1)
#endif
{
}
void GLShareGroup::AddContext(GLContext* context) {
if (contexts_.empty())
AboutToAddFirstContext();
contexts_.insert(context);
}
void GLShareGroup::RemoveContext(GLContext* context) {
contexts_.erase(context);
if (shared_context_ == context)
shared_context_ = NULL;
}
void* GLShareGroup::GetHandle() {
GLContext* context = GetContext();
if (context)
return context->GetHandle();
return NULL;
}
GLContext* GLShareGroup::GetContext() {
for (ContextSet::iterator it = contexts_.begin();
it != contexts_.end();
++it) {
if ((*it)->GetHandle())
return *it;
}
return NULL;
}
void GLShareGroup::SetSharedContext(GLContext* context) {
DCHECK(contexts_.find(context) != contexts_.end());
shared_context_ = context;
}
GLContext* GLShareGroup::GetSharedContext() {
return shared_context_;
}
#if defined(OS_MACOSX)
void GLShareGroup::SetRendererID(int renderer_id) {
renderer_id_ = renderer_id;
}
int GLShareGroup::GetRendererID() {
return renderer_id_;
}
#endif
GLShareGroup::~GLShareGroup() {
}
} // namespace gfx
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