23.1 OpenGL Interface

ORIGIN '~beta/guienv/guienv';
INCLUDE 'openGLlib';
BODY 'private/openGLbody.bet';

--windowlib:attributes--

openGLarea:windowitem
  (# 
     Doublebuffer:@boolean; (* True if this windowitem has doublebuffer *)
     glBSwapBuffers:
       ...;
     openGLprivate:@...;    
     <<SLOT openGLarealib:attributes>>;
     open::<(#
          create::<
            (# 
            ...
            #); 
          postcreate:<
            (# 
            ...
            #);
       do 
          postcreate;
          (200,200)->size;
          INNER open;
          
       #);
  #)