pub unsafe extern "C" fn glDrawVkImageNV( vkImage: GLuint64, sampler: GLuint, x0: GLfloat, y0: GLfloat, x1: GLfloat, y1: GLfloat, z: GLfloat, s0: GLfloat, t0: GLfloat, s1: GLfloat, t1: GLfloat)