GLTexture.h

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D 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.
//
//    Scorched3D 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 Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#if !defined(AFX_GLTEXTURE_H__9DA92C48_B9A4_4517_AB9F_55141CCDA817__INCLUDED_)
#define AFX_GLTEXTURE_H__9DA92C48_B9A4_4517_AB9F_55141CCDA817__INCLUDED_

#include <GLEXT/GLState.h>
#include <image/Image.h>
#include <GLEXT/GLTextureBase.h>

class GLTexture : public GLTextureBase
{
public:
        GLTexture();
        virtual ~GLTexture();

        virtual void draw(bool force = false);

        bool create(Image &bitmap, 
                                bool mipMap = true);
        bool create(const void * data, 
                                GLint width, 
                                GLint height, 
                                GLint components, 
                                GLint alignment = 4,
                                GLenum format = GL_RGB, 
                                bool mipMap = true);
        bool create(GLint width, 
                                GLint height, 
                                GLenum format = GL_RGB);
        bool createBufferTexture(GLint width, 
                                GLint height,
                                bool depthTex);
        bool replace(Image &bitmap,
                                                bool mipMap = true);

        bool textureValid();
        GLenum getTexType() { return texType_; }
        GLenum getTexFormat() { return texFormat_; }
        GLuint getTexName() { return texNum_; }
        int getWidth() { return width_; }
        int getHeight() { return height_; }

        static unsigned int getTextureSpace() { return textureSpace_; }
        static unsigned int getTextureSets() { return textureSets_; }
        static void resetTextureSets() { textureSets_ = 0; }
        static bool validateSize(int size);

protected:
        static unsigned int textureSpace_;
        static unsigned int textureSets_;
        unsigned int usedSpace_;
        int width_, height_;
        GLuint texNum_;
        GLenum texType_;
        GLenum texFormat_;

        bool createTexture(const void * data, 
                                                GLint width, 
                                                GLint height, 
                                                GLint components, 
                                                GLint alignment,
                                                GLenum format, 
                                                bool mipMap);
        bool createObject();
};

#endif // !defined(AFX_GLTEXTURE_H__9DA92C48_B9A4_4517_AB9F_55141CCDA817__INCLUDED_)

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