GLStateExtension.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(__INCLUDE_GLStateExtensionh_INCLUDE__)
#define __INCLUDE_GLStateExtensionh_INCLUDE__

#include <GLEXT/GLState.h>

class GLStateExtension
{
public:
        static void setup(); // Setup and check for each extension

        // Use VBO
        static bool hasVBO() { return hasVBO_; }
        static int getMaxElementVertices() { return maxElementVertices_; }
        static int getMaxElementIndices() { return maxElementIndices_; }
        // Use MultiTex
        static bool hasMultiTex() { return hasMultiTex_; }
        // Use framebuffers
        static bool hasFBO() { return hasFBO_; }
        // User drawrangeelements
        static bool hasDrawRangeElements() { return hasDrawRangeElements_; }
        // Use tex sub image extension?
        static bool getNoTexSubImage() { return noTexSubImage_; }
        // Use cube map extension?
        static bool hasCubeMap() { return hasCubeMap_; }
        // Use sphere map extension?
        static bool hasSphereMap() { return hasSphereMap_; }
        // Use hardware mipmap extension?
        static bool hasHardwareMipmaps() { return hasHardwareMipmaps_; }
        // Use env combine
        static bool hasEnvCombine() { return envCombine_; }
        // How many texture units
        static int getTextureUnits() { return textureUnits_; }
        // Use FrameBuffer extension
        static bool hasHardwareShadows() { return hasHardwareShadows_; }
        // Use glBlendColorEXT
        static bool hasBlendColor() { return hasBlendColor_; }
        // Use shaders
        static bool hasShaders() { return hasShaders_; }

protected:
        static bool envCombine_;
        static bool multiTexDisabled_;
        static bool hasVBO_;
        static bool hasFBO_;
        static bool hasShaders_;
        static int textureUnits_;
        static int maxElementVertices_;
        static int maxElementIndices_;
        static bool hasCubeMap_;
        static bool hasSphereMap_;
        static bool hasHardwareMipmaps_;
        static bool noTexSubImage_;
        static bool hasHardwareShadows_;
        static bool hasBlendColor_;
        static bool hasMultiTex_;
        static bool hasDrawRangeElements_;

private:
        GLStateExtension();
        ~GLStateExtension();
};


#endif

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