Function sdl2_sys::SDL_RenderGetMetalCommandEncoder

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

\brief Get the Metal command encoder for the current frame

\param renderer The renderer to query

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

\sa SDL_RenderGetMetalLayer()