/* mesa_extend.h
 * for wmesa-2.3
 *  Written by Li Wei (liwei@aiar.xjtu.edu.cn)
 */

/* Log 6/14, 1997
 * revision 1.01
 * struct DisplayOptions defined for tk_ddmesa.c to read the initial file
 */

#include <GL/gl.h>
#include <stdlib.h>
#include <windows.h>
#include <winbase.h>

enum { SHIFT_NONE, SHIFT_LEFT,SHIFT_RIGHT,SHIFT_UP,SHIFT_DOWN,SHIFT_FAR,SHIFT_NEAR};

extern GLfloat deltaView ;

extern GLuint viewShift;

extern GLenum glImageRendered();

extern GLenum imageRendered ;

extern GLfloat deltaView ;

extern GLfloat deltaShift;

void shiftView( void );

struct DISPLAY_OPTIONS {
	int  stereo;
	int  fullScreen;
	int	 mode;
	int	 bpp;
};

extern struct DISPLAY_OPTIONS displayOptions;
extern void getDisplayOptions( void);

GLenum defaultKeyProc(int, GLenum);
extern GLenum (*userKeyProc) (int, GLenum);
