SDL_PackedLayout.3type - Man Page

Defined in SDL3/SDL_pixels.h

#include "SDL3/SDL.h"

typedef enum SDL_PackedLayout
{
    SDL_PACKEDLAYOUT_NONE,
    SDL_PACKEDLAYOUT_332,
    SDL_PACKEDLAYOUT_4444,
    SDL_PACKEDLAYOUT_1555,
    SDL_PACKEDLAYOUT_5551,
    SDL_PACKEDLAYOUT_565,
    SDL_PACKEDLAYOUT_8888,
    SDL_PACKEDLAYOUT_2101010,
    SDL_PACKEDLAYOUT_1010102
} SDL_PackedLayout;

This enum is available since SDL 3.2.0.