File canvas-draw/racket/gl.rkt artifact b2f08fa5b6 part of check-in 8ca036fa3c

#lang racket/base
(require
 ffi/unsafe
 "base.rkt")

(define libcd-gl
  (case (system-type 'os)
    [(windows)
     (ffi-lib "cdgl")]
    [else
     (ffi-lib "libcdgl")]))

;; {{{ Context types

(define context:gl
  ((get-ffi-obj "cdContextGL" libcd-gl (_fun -> [context : _context]))))

(provide
 context:gl)

;; }}}