context.h

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/* ResidualVM - A 3D game interpreter
 *
 * ResidualVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#ifndef GRAPHICS_OPENGL_CONTEXT_H
#define GRAPHICS_OPENGL_CONTEXT_H

#include "common/singleton.h"

namespace OpenGL {

enum ContextType {
    kContextGL,
    kContextGLES2
};

class Context : public Common::Singleton<Context> {
public:
    Context();

    void initialize(ContextType contextType);

    void reset();

    ContextType type;

    int maxTextureSize;

    bool NPOTSupported;

    bool shadersSupported;

    bool framebufferObjectSupported;

    bool framebufferObjectMultisampleSupported;

    int multisampleMaxSamples;

    bool packedDepthStencilSupported;

    bool unpackSubImageSupported;
    
    bool OESDepth24;

    int getGLSLVersion() const;
};

} // End of namespace OpenGL

#define OpenGLContext OpenGL::Context::instance()

#endif