/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef INCLUDED_OGLTRANS_SHADERS_HXX_
#define INCLUDED_OGLTRANS_SHADERS_HXX_

#include <config_lgpl.h>

#define GL_GLEXT_PROTOTYPES 1
#include <GL/gl.h>
#include <GL/glext.h>

class OGLShaders {
    static bool Initialize();
    static bool cbInitialized;

public:

    static GLuint LinkProgram( const char *vertexShader, const char *fragmentShader );

    /** GL shader functions
     */
#ifdef GL_VERSION_2_0

    static PFNGLACTIVETEXTUREPROC glActiveTexture;

    static PFNGLCREATESHADERPROC glCreateShader;
    static PFNGLSHADERSOURCEPROC glShaderSource;
    static PFNGLCOMPILESHADERPROC glCompileShader;
    static PFNGLGETSHADERIVPROC glGetShaderiv;
    static PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog;
    static PFNGLDELETESHADERPROC glDeleteShader;

    static PFNGLCREATEPROGRAMPROC glCreateProgram;
    static PFNGLATTACHSHADERPROC glAttachShader;
    static PFNGLLINKPROGRAMPROC glLinkProgram;
    static PFNGLGETPROGRAMIVPROC glGetProgramiv;
    static PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog;
    static PFNGLUSEPROGRAMPROC glUseProgram;
    static PFNGLDELETEPROGRAMPROC glDeleteProgram;

    static PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation;
    static PFNGLUNIFORM1IPROC glUniform1i;
    static PFNGLUNIFORM1FPROC glUniform1f;
#endif
};

#endif

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