src/render/rTextureRenderTarget.h

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/*

*************************************************************************

ArmageTron -- Just another Tron Lightcycle Game in 3D.
Copyright (C) 2006, Armagetron Advanced Development Team

**************************************************************************

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 ArmageTron_TEXTURERENDERTARGET_H
#define ArmageTron_TEXTURERENDERTARGET_H

#include "rGLEW.h"
#include "rTexture.h"
#include "rGLuintObject.h"

class rTextureRenderTarget: public rITexture
{
public:
    void Clear();

    ~rTextureRenderTarget();

    rTextureRenderTarget( int width, int height );

    void Push();

    void Pop();

    static void Restore();

    bool IsTarget() const
    {
        return anchor == this;
    }

    int GetHeight() const
    {
        return height_;
    }

    int GetWidth() const
    {
        return width_;
    }
protected:
    virtual void OnSelect(bool);

    // nothing special to do here
    virtual void OnUnload(){}
private:
    rGLuintObjectTexture texture_;           
    rGLuintObjectRenderbuffer depthBuffer_;  
    rGLuintObjectFramebuffer frameBuffer_;   


    static rTextureRenderTarget * anchor;
    rTextureRenderTarget * previous;

    int width_, height_;
    GLenum colorMode, depthMode;
public:
};

#endif

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