Change the vsync setting.
#include <glview/glview.h>
GLVIEW_API int glview_set_vsync(int vsync)
If this parameter is non-zero, it specifies the minimum number of video frames before a buffer swap. If it is zero then vsync is disabled.
By default, vsync is enabled (set to 1). Call this function to disable vsync or to change the vsync interval.