ogl.h

/* --------------------------------------------------------------------
EXTREME TUXRACER

Copyright (C) 1999-2001 Jasmin F. Patry (Tuxracer)
Copyright (C) 2010 Extreme Tuxracer 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.
---------------------------------------------------------------------*/

#ifndef OGL_H
#define OGL_H

#include "bh.h"

#define FAR_CLIP_FUDGE_AMOUNT 5
#define NEAR_CLIP_DIST 0.1

typedef enum {
    GUI,
    GAUGE_BARS,
    TEXFONT,
    COURSE,
    TREES,
    PARTICLES,
    TUX,
    TUX_SHADOW,
    SKY,
    FOG_PLANE,
    TRACK_MARKS,
} TRenderMode;


#undef GL_EXT_compiled_vertex_array

#if defined(OS_MAC) || defined(OS_WIN32_NATIVE) || defined(HAVE_GL_GLES1)
typedef void (* PFNGLLOCKARRAYSEXTPROC) (GLint first, GLsizei count);
typedef void (* PFNGLUNLOCKARRAYSEXTPROC) (void);
#endif

extern PFNGLLOCKARRAYSEXTPROC glLockArraysEXT_p;
extern PFNGLUNLOCKARRAYSEXTPROC glUnlockArraysEXT_p;

void check_gl_error( const char *title = NULL );
void init_glfloat_array( int num, GLfloat arr[], ... );
void InitOpenglExtensions();
void PrintGLInfo();

void set_material (TColor diffuse_colour, 
		TColor specular_colour,
		double specular_exp );

void set_gl_options (TRenderMode mode);
void ClearRenderContext ();
void ClearRenderContext (TColor col);
void SetupGuiDisplay ();
void Reshape (int w, int h);
void DrawStdSphere (int num_divisions);

#endif