A macro to retrieve the type of an SDL_PixelFormat.
Defined in <SDL3/SDL_pixels.h>
#define SDL_PIXELTYPE(format)    (((format) >> 24) & 0x0F)| format | an SDL_PixelFormat to check. | 
Returns the type of format.
This is usually a value from the SDL_PixelType enumeration.
It is safe to call this macro from any thread.
This macro is available since SDL 3.2.0.