qgl.h

Quake 2 Source code for students by Theerthan You can also download from idsoftwares.com

extern  void ( APIENTRY * qglTexCoord4dv )(const GLdouble *v);
extern  void ( APIENTRY * qglTexCoord4f )(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
extern  void ( APIENTRY * qglTexCoord4fv )(const GLfloat *v);
extern  void ( APIENTRY * qglTexCoord4i )(GLint s, GLint t, GLint r, GLint q);
extern  void ( APIENTRY * qglTexCoord4iv )(const GLint *v);
extern  void ( APIENTRY * qglTexCoord4s )(GLshort s, GLshort t, GLshort r, GLshort q);
extern  void ( APIENTRY * qglTexCoord4sv )(const GLshort *v);
extern  void ( APIENTRY * qglTexCoordPointer )(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
extern  void ( APIENTRY * qglTexEnvf )(GLenum target, GLenum pname, GLfloat param);
extern  void ( APIENTRY * qglTexEnvfv )(GLenum target, GLenum pname, const GLfloat *params);
extern  void ( APIENTRY * qglTexEnvi )(GLenum target, GLenum pname, GLint param);
extern  void ( APIENTRY * qglTexEnviv )(GLenum target, GLenum pname, const GLint *params);
extern  void ( APIENTRY * qglTexGend )(GLenum coord, GLenum pname, GLdouble param);
extern  void ( APIENTRY * qglTexGendv )(GLenum coord, GLenum pname, const GLdouble *params);
extern  void ( APIENTRY * qglTexGenf )(GLenum coord, GLenum pname, GLfloat param);
extern  void ( APIENTRY * qglTexGenfv )(GLenum coord, GLenum pname, const GLfloat *params);
extern  void ( APIENTRY * qglTexGeni )(GLenum coord, GLenum pname, GLint param);
extern  void ( APIENTRY * qglTexGeniv )(GLenum coord, GLenum pname, const GLint *params);
extern  void ( APIENTRY * qglTexImage1D )(GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
extern  void ( APIENTRY * qglTexImage2D )(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
extern  void ( APIENTRY * qglTexParameterf )(GLenum target, GLenum pname, GLfloat param);
extern  void ( APIENTRY * qglTexParameterfv )(GLenum target, GLenum pname, const GLfloat *params);
extern  void ( APIENTRY * qglTexParameteri )(GLenum target, GLenum pname, GLint param);
extern  void ( APIENTRY * qglTexParameteriv )(GLenum target, GLenum pname, const GLint *params);
extern  void ( APIENTRY * qglTexSubImage1D )(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
extern  void ( APIENTRY * qglTexSubImage2D )(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
extern  void ( APIENTRY * qglTranslated )(GLdouble x, GLdouble y, GLdouble z);
extern  void ( APIENTRY * qglTranslatef )(GLfloat x, GLfloat y, GLfloat z);
extern  void ( APIENTRY * qglVertex2d )(GLdouble x, GLdouble y);
extern  void ( APIENTRY * qglVertex2dv )(const GLdouble *v);
extern  void ( APIENTRY * qglVertex2f )(GLfloat x, GLfloat y);
extern  void ( APIENTRY * qglVertex2fv )(const GLfloat *v);
extern  void ( APIENTRY * qglVertex2i )(GLint x, GLint y);
extern  void ( APIENTRY * qglVertex2iv )(const GLint *v);
extern  void ( APIENTRY * qglVertex2s )(GLshort x, GLshort y);
extern  void ( APIENTRY * qglVertex2sv )(const GLshort *v);
extern  void ( APIENTRY * qglVertex3d )(GLdouble x, GLdouble y, GLdouble z);
extern  void ( APIENTRY * qglVertex3dv )(const GLdouble *v);
extern  void ( APIENTRY * qglVertex3f )(GLfloat x, GLfloat y, GLfloat z);
extern  void ( APIENTRY * qglVertex3fv )(const GLfloat *v);
extern  void ( APIENTRY * qglVertex3i )(GLint x, GLint y, GLint z);
extern  void ( APIENTRY * qglVertex3iv )(const GLint *v);
extern  void ( APIENTRY * qglVertex3s )(GLshort x, GLshort y, GLshort z);
extern  void ( APIENTRY * qglVertex3sv )(const GLshort *v);
extern  void ( APIENTRY * qglVertex4d )(GLdouble x, GLdouble y, GLdouble z, GLdouble w);
extern  void ( APIENTRY * qglVertex4dv )(const GLdouble *v);
extern  void ( APIENTRY * qglVertex4f )(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
extern  void ( APIENTRY * qglVertex4fv )(const GLfloat *v);
extern  void ( APIENTRY * qglVertex4i )(GLint x, GLint y, GLint z, GLint w);
extern  void ( APIENTRY * qglVertex4iv )(const GLint *v);
extern  void ( APIENTRY * qglVertex4s )(GLshort x, GLshort y, GLshort z, GLshort w);
extern  void ( APIENTRY * qglVertex4sv )(const GLshort *v);
extern  void ( APIENTRY * qglVertexPointer )(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
extern  void ( APIENTRY * qglViewport )(GLint x, GLint y, GLsizei width, GLsizei height);

extern	void ( APIENTRY * qglPointParameterfEXT)( GLenum param, GLfloat value );
extern	void ( APIENTRY * qglPointParameterfvEXT)( GLenum param, const GLfloat *value );
extern	void ( APIENTRY * qglColorTableEXT)( int, int, int, int, int, const void * );

extern	void ( APIENTRY * qglLockArraysEXT) (int , int);
extern	void ( APIENTRY * qglUnlockArraysEXT) (void);

extern	void ( APIENTRY * qglMTexCoord2fSGIS)( GLenum, GLfloat, GLfloat );
extern	void ( APIENTRY * qglSelectTextureSGIS)( GLenum );

extern	void ( APIENTRY * qglActiveTextureARB)( GLenum );
extern	void ( APIENTRY * qglClientActiveTextureARB)( GLenum );

#ifdef _WIN32

extern  int   ( WINAPI * qwglChoosePixelFormat )(HDC, CONST PIXELFORMATDESCRIPTOR *);
extern  int   ( WINAPI * qwglDescribePixelFormat) (HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
extern  int   ( WINAPI * qwglGetPixelFormat)(HDC);
extern  BOOL  ( WINAPI * qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
extern  BOOL  ( WINAPI * qwglSwapBuffers)(HDC);

extern BOOL  ( WINAPI * qwglCopyContext)(HGLRC, HGLRC, UINT);
extern HGLRC ( WINAPI * qwglCreateContext)(HDC);
extern HGLRC ( WINAPI * qwglCreateLayerContext)(HDC, int);
extern BOOL  ( WINAPI * qwglDeleteContext)(HGLRC);
extern HGLRC ( WINAPI * qwglGetCurrentContext)(VOID);
extern HDC   ( WINAPI * qwglGetCurrentDC)(VOID);
extern PROC  ( WINAPI * qwglGetProcAddress)(LPCSTR);
extern BOOL  ( WINAPI * qwglMakeCurrent)(HDC, HGLRC);
extern BOOL  ( WINAPI * qwglShareLists)(HGLRC, HGLRC);
extern BOOL  ( WINAPI * qwglUseFontBitmaps)(HDC, DWORD, DWORD, DWORD);

extern BOOL  ( WINAPI * qwglUseFontOutlines)(HDC, DWORD, DWORD, DWORD, FLOAT,
                                           FLOAT, int, LPGLYPHMETRICSFLOAT);

extern BOOL ( WINAPI * qwglDescribeLayerPlane)(HDC, int, int, UINT,
                                            LPLAYERPLANEDESCRIPTOR);
extern int  ( WINAPI * qwglSetLayerPaletteEntries)(HDC, int, int, int,
                                                CONST COLORREF *);
extern int  ( WINAPI * qwglGetLayerPaletteEntries)(HDC, int, int, int,
                                                COLORREF *);
extern BOOL ( WINAPI * qwglRealizeLayerPalette)(HDC, int, BOOL);
extern BOOL ( WINAPI * qwglSwapLayerBuffers)(HDC, UINT);

extern BOOL ( WINAPI * qwglSwapIntervalEXT)( int interval );

extern BOOL ( WINAPI * qwglGetDeviceGammaRampEXT ) ( unsigned char *pRed, unsigned char *pGreen, unsigned char *pBlue );
extern BOOL ( WINAPI * qwglSetDeviceGammaRampEXT ) ( const unsigned char *pRed, const unsigned char *pGreen, const unsigned char *pBlue );

#endif

#ifdef __linux__

// local function in dll
extern void *qwglGetProcAddress(char *symbol);

extern void (*qgl3DfxSetPaletteEXT)(GLuint *);

/*
//FX Mesa Functions
extern fxMesaContext (*qfxMesaCreateContext)(GLuint win, GrScreenResolution_t, GrScreenRefresh_t, const GLint attribList[]);
extern fxMesaContext (*qfxMesaCreateBestContext)(GLuint win, GLint width, GLint height, const GLint attribList[]);
extern void (*qfxMesaDestroyContext)(fxMesaContext ctx);
extern void (*qfxMesaMakeCurrent)(fxMesaContext ctx);
extern fxMesaContext (*qfxMesaGetCurrentContext)(void);
extern void (*qfxMesaSwapBuffers)(void);
*/

//GLX Functions
extern XVisualInfo * (*qglXChooseVisual)( Display *dpy, int screen, int *attribList );
extern GLXContext (*qglXCreateContext)( Display *dpy, XVisualInfo *vis, GLXContext shareList, Bool direct );
extern void (*qglXDestroyContext)( Display *dpy, GLXContext ctx );
extern Bool (*qglXMakeCurrent)( Display *dpy, GLXDrawable drawable, GLXContext ctx);
extern void (*qglXCopyContext)( Display *dpy, GLXContext src, GLXContext dst, GLuint mask );
extern void (*qglXSwapBuffers)( Display *dpy, GLXDrawable drawable );

// 3dfxSetPaletteEXT shunt
void Fake_glColorTableEXT( GLenum target, GLenum internalformat,
                             GLsizei width, GLenum format, GLenum type,
                             const GLvoid *table );

#endif // linux

/*
** extension constants
*/
#define GL_POINT_SIZE_MIN_EXT				0x8126
#define GL_POINT_SIZE_MAX_EXT				0x8127
#define GL_POINT_FADE_THRESHOLD_SIZE_EXT	0x8128
#define GL_DISTANCE_ATTENUATION_EXT			0x8129

#ifdef __sgi
#define GL_SHARED_TEXTURE_PALETTE_EXT		GL_TEXTURE_COLOR_TABLE_SGI
#else
#define GL_SHARED_TEXTURE_PALETTE_EXT		0x81FB
#endif

#define GL_TEXTURE0_SGIS					0x835E
#define GL_TEXTURE1_SGIS					0x835F
#define GL_TEXTURE0_ARB						0x84C0
#define GL_TEXTURE1_ARB						0x84C1

extern int GL_TEXTURE0, GL_TEXTURE1;

#endif