i want to use it, to disable vsync.
in wglext.h its defined as:
#ifdef WGL_WGLEXT_PROTOTYPES
extern BOOL WINAPI wglSwapIntervalEXT (int interval);
extern int WINAPI wglGetSwapIntervalEXT (void);
#endif /* WGL_WGLEXT_PROTOTYPES */
When I try to compile the program, I get:
'wglSwapIntervalEXT': identifier not found