func (w *win) setDepthBufferSize(size int) { C.gs_set_attr_l(C.GS_DepthSize, C.long(size)) }
// Implement native interface.
func (w *win) setSize(x, y, width, height int) {
C.gs_set_attr_l(C.GS_ShellX, C.long(x))
C.gs_set_attr_l(C.GS_ShellY, C.long(y))
C.gs_set_attr_l(C.GS_ShellWidth, C.long(width))
C.gs_set_attr_l(C.GS_ShellHeight, C.long(height))
}
func (w *win) setAlphaBufferSize(size int) { C.gs_set_attr_l(C.GS_AlphaSize, C.long(size)) }