gtk:gl-area-has-stencil-buffer (object)

object -- a gtk:gl-area widget
setting -- a boolean whether the widget will allocate and enable a stencil buffer

Accessor of the has-stencil-buffer slot of the gtk:gl-area class. The gtk:gl-area-has-stencil-buffer function returns whether the area has a stencil buffer. The (setf gtk:gl-area-has-stencil-buffer) function sets the property.

If setting is true the widget will allocate and enable a stencil buffer for the target framebuffer. Otherwise there will be none.