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

NAME
SDL_PIXELFLAG - A macro to retrieve the flags of an SDL_PixelFormat.
SYNOPSIS
#include <SDL3/SDL_pixels.h>
#define SDL_PIXELFLAG(format) (((format) >> 28) & 0x0F)
DESCRIPTION
This macro is generally not needed directly by an app, which should use specific tests, like
SDL_ISPIXELFORMAT_FOURCC, instead.
MACRO PARAMETERS
format an SDL_PixelFormat to check.
RETURN VALUE
Returns the flags 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_PIXELFLAG(3)