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	int width
	int height
	Uint32 format
	SDL_Surface *display
	CODE:
		RETVAL = SDL_CreateYUVOverlay ( width, height, format, display );
	OUTPUT:
		RETVAL

int
LockYUVOverlay ( overlay )
	SDL_Overlay *overlay
	CODE:
		RETVAL = SDL_LockYUVOverlay(overlay);
	OUTPUT:
		RETVAL

void
UnlockYUVOverlay ( overlay )
        SDL_Overlay *overlay
        CODE:
                SDL_UnlockYUVOverlay(overlay);

int
DisplayYUVOverlay ( overlay, dstrect )
	SDL_Overlay *overlay
	SDL_Rect *dstrect
	CODE:
		RETVAL = SDL_DisplayYUVOverlay ( overlay, dstrect );
	OUTPUT:
		RETVAL

void
FreeYUVOverlay ( overlay )
        SDL_Overlay *overlay
        CODE:
                SDL_FreeYUVOverlay ( overlay );

Uint32
OverlayFormat ( overlay, ... )
	SDL_Overlay *overlay
	CODE:
		if ( items > 1 ) 
			overlay->format = SvIV(ST(1));
		RETVAL = overlay->format;
	OUTPUT:
		RETVAL

int 
OverlayW ( overlay, ... )
	SDL_Overlay *overlay
	CODE:
		if ( items > 1 ) 
			overlay->w = SvIV(ST(1));
		RETVAL = overlay->w;
	OUTPUT:
		RETVAL

int
OverlayH ( overlay, ... )
	SDL_Overlay *overlay
	CODE:
		if ( items > 1 )
			overlay->h = SvIV(ST(1));
		RETVAL = overlay->h;
	OUTPUT:
		RETVAL 

int
OverlayPlanes ( overlay, ... )
        SDL_Overlay *overlay
        CODE:
                if ( items > 1 )
                        overlay->planes = SvIV(ST(1));
                RETVAL = overlay->planes;
        OUTPUT:
                RETVAL

Uint32
OverlayHW ( overlay )
	SDL_Overlay *overlay
	CODE:
		RETVAL = overlay->hw_overlay;
	OUTPUT:
		RETVAL

Uint16*
OverlayPitches ( overlay )
	SDL_Overlay *overlay
	CODE:
		RETVAL = overlay->pitches;
	OUTPUT:
		RETVAL

Uint8**
OverlayPixels ( overlay )
	SDL_Overlay *overlay
	CODE:
		RETVAL = overlay->pixels;
	OUTPUT:
		RETVAL

int
WMToggleFullScreen ( surface )
	SDL_Surface *surface
	CODE:
		RETVAL = SDL_WM_ToggleFullScreen(surface);
	OUTPUT:
		RETVAL