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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/scoped_make_current.h"
#include "base/logging.h"
namespace gfx {
ScopedMakeCurrent::ScopedMakeCurrent(GLContext* context, GLSurface* surface)
: previous_context_(GLContext::GetCurrent())
, previous_surface_(GLSurface::GetCurrent())
, context_(context)
, surface_(surface)
, succeeded_(false) {
DCHECK(context);
DCHECK(surface);
succeeded_ = context->MakeCurrent(surface);
}
ScopedMakeCurrent::~ScopedMakeCurrent() {
if (previous_context_.get()) {
DCHECK(previous_surface_.get());
previous_context_->MakeCurrent(previous_surface_.get());
} else {
context_->ReleaseCurrent(surface_.get());
}
}
bool ScopedMakeCurrent::Succeeded() {
return succeeded_;
}
} // namespace gfx
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