Function gfx_window_glutin::update_views_raw

pub fn update_views_raw(window: &Window,
                        old_dimensions: Dimensions,
                        color_format: Format,
                        ds_format: Format)
                        -> Option<(RawRenderTargetView<R>, RawDepthStencilView<R>)>

Return new main target views if the window resolution has changed from the old dimensions.