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

NAME
SDL_DEFINE_PIXELFOURCC - A macro for defining custom FourCC pixel formats.
SYNOPSIS
#include <SDL3/SDL_pixels.h>
#define SDL_DEFINE_PIXELFOURCC(A, B, C, D) SDL_FOURCC(A, B, C, D)
DESCRIPTION
For example, defining SDL_PIXELFORMAT_YV12 looks like this:
SDL_DEFINE_PIXELFOURCC('Y', 'V', '1', '2')
MACRO PARAMETERS
A the first character of the FourCC code.
B the second character of the FourCC code.
C the third character of the FourCC code.
D the fourth character of the FourCC code.
RETURN VALUE
Returns a format value in the style of SDL_PixelFormat.
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_DEFINE_PIXELFOURCC(3)