Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_PIXELLAYOUT - A macro to retrieve the layout of an SDL_PixelFormat.
SYNOPSIS
#include <SDL3/SDL_pixels.h>
#define SDL_PIXELLAYOUT(format) (((format) >> 16) & 0x0F)
DESCRIPTION
This is usually a value from the SDL_PackedLayout enumeration, or zero if a layout doesn't make sense for
the format type.
MACRO PARAMETERS
format an SDL_PixelFormat to check.
RETURN VALUE
Returns the layout of format.
THREAD SAFETY
It is safe to call this macro from any thread.
AVAILABILITY
This macro is available since SDL 3.2.0.
Simple Directmedia Layer SDL 3.2.20 SDL_PIXELLAYOUT(3)