Returns whether the gtk.glarea.GLArea should use OpenGL ES.
See gtk.glarea.GLArea.setUseEs.
true if the gtk.glarea.GLArea should create an OpenGL ES context and false otherwise
Deprecated: Use gtk.glarea.GLArea.getApi
Returns whether the gtk.glarea.GLArea should use OpenGL ES.
See gtk.glarea.GLArea.setUseEs.