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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.
#ifndef UI_GL_GL_STATE_RESTORER_H_
#define UI_GL_GL_STATE_RESTORER_H_
#include "base/basictypes.h"
#include "ui/gl/gl_export.h"
namespace gfx {
// An interface for Restoring GL State.
// This will expand over time to provide an more optimizable implementation.
class GL_EXPORT GLStateRestorer {
public:
GLStateRestorer();
virtual ~GLStateRestorer();
virtual bool IsInitialized() = 0;
virtual void RestoreState() = 0;
virtual void RestoreAllTextureUnitBindings() = 0;
virtual void RestoreFramebufferBindings() = 0;
DISALLOW_COPY_AND_ASSIGN(GLStateRestorer);
};
} // namespace gfx
#endif // UI_GL_GL_STATE_RESTORER_H_
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