Function sdl2_sys::SDL_RenderGetMetalLayer

pub unsafe extern "C" fn SDL_RenderGetMetalLayer(
    renderer: *mut SDL_Renderer
) -> *mut c_void

\brief Get the CAMetalLayer associated with the given Metal renderer

\param renderer The renderer to query

\return CAMetalLayer* on success, or NULL if the renderer isn't a Metal renderer

\sa SDL_RenderGetMetalCommandEncoder()