/*
 * This source file is part of KEOS (Free 3D Engine)
 * For the latest info, see http://www.keosengine.org/
 * E-mails : thierry.vouriot@keosengine.org, yeri@keosengine.org
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 * http://www.gnu.org/copyleft/lesser.txt.
 *
 */
#ifndef KEOS_OGLTEXTURE_H
#define KEOS_OGLTEXTURE_H

#include "KeosOGLPrerequisites.h"
#include "KeosTextureBase.h"

namespace Keos
{
    //-----------------------------------------------------------------------
    /** Specialization OpenGL of textures.
     *
     */
    class COGLTexture : public ITextureBase
    {
    public :

        /** Constructor.
         *  @param Size Texture size.
         *  @param Format Format of pixels of the texture.
         *  @param bHasMipmaps Indicate if the texture has levels of mipmaps.
         *  @param bAutoMipmaps Indicate if the texture can generate its mips in HW.
         *  @param nTexture OGL texture ID.
         */
        COGLTexture(const TVector2I& Size, TPixelFormat Format, bool bHasMipmaps, bool bAutoMipmaps, uint nTexture);

        /** Destructor.
         */
        ~COGLTexture();

        /** Return OGL texture ID.
         */
        uint GetOGLTexture() const;

    private :

        /** Update the pixels of the texture.
         *  @param Rect Rectangle to update in the texture.
         */
        virtual void Update(const CRectangle& Rect);

        //! OGL texture ID
        uint m_nTexture;
    };

} // namespace Keos

#endif // KEOS_OGLTEXTURE_H
