#ifndef MAIN_H
#define MAIN_H

#ifdef _WIN32
#include <windows.h>
#include <gl/gl.h>
#else
#include "gl.h"
#endif // _WIN32
#include "glext.h"
#include "glide.h"

void display_warning(unsigned char *text, ...);
void init_geometry();
void init_textures();
void init_combiner();
void free_textures();
void updateCombiner(int i);
void updateCombinera(int i);
void remove_tex(unsigned int idmin, unsigned int idmax);
void add_tex(unsigned int id);

extern PFNGLACTIVETEXTUREARBPROC glActiveTextureARB;
extern PFNGLMULTITEXCOORD2FARBPROC glMultiTexCoord2fARB;
extern PFNGLBLENDFUNCSEPARATEEXTPROC glBlendFuncSeparateEXT;
extern PFNGLFOGCOORDFPROC glFogCoordfEXT;

extern PFNGLCREATESHADEROBJECTARBPROC glCreateShaderObjectARB;
extern PFNGLSHADERSOURCEARBPROC glShaderSourceARB;
extern PFNGLCOMPILESHADERARBPROC glCompileShaderARB;
extern PFNGLCREATEPROGRAMOBJECTARBPROC glCreateProgramObjectARB;
extern PFNGLATTACHOBJECTARBPROC glAttachObjectARB;
extern PFNGLLINKPROGRAMARBPROC glLinkProgramARB;
extern PFNGLUSEPROGRAMOBJECTARBPROC glUseProgramObjectARB;
extern PFNGLGETUNIFORMLOCATIONARBPROC glGetUniformLocationARB;
extern PFNGLUNIFORM1IARBPROC glUniform1iARB;
extern PFNGLUNIFORM4IARBPROC glUniform4iARB;
extern PFNGLUNIFORM4FARBPROC glUniform4fARB;
extern PFNGLUNIFORM1FARBPROC glUniform1fARB;
extern PFNGLDELETEOBJECTARBPROC glDeleteObjectARB;
extern PFNGLGETINFOLOGARBPROC glGetInfoLogARB;
extern PFNGLGETOBJECTPARAMETERIVARBPROC glGetObjectParameterivARB;
extern PFNGLSECONDARYCOLOR3FPROC glSecondaryColor3f;

extern int w_buffer_mode;
extern int nbTextureUnits;
extern int width, height, widtho, heighto;
extern int tex0_width, tex0_height, tex1_width, tex1_height;
extern float texture_env_color[4];
extern int fog_enabled;
extern float lambda;
extern int need_lambda[2];
extern float lambda_color[2][4];
extern int inverted_culling;
extern int render_to_texture;
extern int lfb_color_fmt;
extern int need_to_compile;

extern int blend_func_separate_support;
extern int fog_coord_support;
extern int pbuffer_support;
extern int glsl_support;
extern unsigned int pBufferAddress;
extern int viewport_width, viewport_height, viewport_offset;

void grChromaRangeExt(GrColor_t color0, GrColor_t color1, FxU32 mode);
void grChromaRangeModeExt(GrChromakeyMode_t mode);
void grTexChromaRangeExt(GrChipID_t tmu, GrColor_t color0, GrColor_t color1, GrTexChromakeyMode_t mode);
void grTexChromaModeExt(GrChipID_t tmu, GrChromakeyMode_t mode);
void updateTexture();
void free_combiners();
void compile_shader();
void set_lambda();
void set_copy_shader();

// config functions

FX_ENTRY void FX_CALL grConfigWrapperExt(HINSTANCE instance, HWND hwnd);
FX_ENTRY GrScreenResolution_t FX_CALL grWrapperFullScreenResolutionExt(void);


int getFullScreenWidth();
int getFullScreenHeight();
int getFilter();
int getDisableGLSL();

#endif