(glClearColor 0 0 0 0)
; (glClearDepth 1)
; (glDepthFunc GL_LEQUAL)
-; (glEnable GL_BLEND)
+ (glEnable GL_BLEND)
; (glBlendFunc GL_SRC_ALPHA GL_ONE)
+ (glBlendFunc GL_SRC_ALPHA GL_ONE_MINUS_SRC_ALPHA)
(glHint GL_PERSPECTIVE_CORRECTION_HINT GL_NICEST)
#t)