;; make opengl context
;(define pr2 (gl:make-ctx ":0.0" #f 0.0 0.0 900.0 600.0))
;(define pr2 (gl:make-ctx ":0.0" #f 0.0 0.0 1080.0 960.0))
(define pr2 (gl:make-ctx ":0.0" #t 0.0 0.0 1920.0 (* 1080.0 2.0)))
;(gl-set-view 900.0 600.0)
(gl-set-view 1920.0 (* 2.0 1080.0))
;(gl-set-view 1080.0 960.0)