iglrender.h

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/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.

This file is part of GtkRadiant.

GtkRadiant 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.

GtkRadiant 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 GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#if !defined(INCLUDED_IGLRENDER_H)
#define INCLUDED_IGLRENDER_H

#include "igl.h"
#include "math/Vector3.h"
#include "math/Vector4.h"

class OpenGLState {
public:
    enum ESort {
        eSortFirst = 0,
        eSortOpaque = 1,
        eSortMultiFirst = 2,
        eSortMultiLast = 1023,
        eSortOverbrighten = 1024,
        eSortFullbright = 1025,
        eSortHighlight = 1026,
        eSortTranslucent = 1027,
        eSortOverlayFirst = 1028,
        eSortOverlayLast = 2047,
        eSortControlFirst = 2048,
        eSortControlLast = 3071,
        eSortGUI0 = 3072,
        eSortGUI1 = 3073,
        eSortLast = 4096,
    };

    unsigned int m_state;
    std::size_t m_sort;
    GLint m_texture;
    GLint m_texture1;
    GLint m_texture2;
    GLint m_texture3;
    GLint m_texture4;
    GLint m_texture5;
    GLint m_texture6;
    GLint m_texture7;
    Vector4 m_colour;
    GLenum m_blend_src, m_blend_dst;
    GLenum m_depthfunc;
    GLenum m_alphafunc;
    GLfloat m_alpharef;
    GLfloat m_linewidth;
    GLfloat m_pointsize;
    GLint m_linestipple_factor;
    GLushort m_linestipple_pattern;

    OpenGLState() {
    }
};

class OpenGLStateLibrary {
public:
    virtual ~OpenGLStateLibrary(){}

    INTEGER_CONSTANT(Version, 1);
    STRING_CONSTANT(Name, "openglshaderlibrary");

    virtual void getDefaultState(OpenGLState& state) const = 0;

    virtual void insert(const std::string& name, const OpenGLState& state) = 0;
    virtual void erase(const std::string& name) = 0;
};

#include "modulesystem.h"

template<typename Type>
class GlobalModule;
typedef GlobalModule<OpenGLStateLibrary> GlobalOpenGLStateLibraryModule;

template<typename Type>
class GlobalModuleRef;
typedef GlobalModuleRef<OpenGLStateLibrary> GlobalOpenGLStateLibraryModuleRef;

inline OpenGLStateLibrary& GlobalOpenGLStateLibrary() {
    return GlobalOpenGLStateLibraryModule::getTable();
}

#endif