SDL_GLContextFlag.3type - Man Page

SDL_GLContextFlag — Possible flags to be set for the SDL_GL_CONTEXT_FLAGS
attribute.

Defined in SDL3/SDL_video.h

#include "SDL3/SDL.h"

typedef Uint32 SDL_GLContextFlag;

#define SDL_GL_CONTEXT_DEBUG_FLAG              0x0001
#define SDL_GL_CONTEXT_FORWARD_COMPATIBLE_FLAG 0x0002
#define SDL_GL_CONTEXT_ROBUST_ACCESS_FLAG      0x0004
#define SDL_GL_CONTEXT_RESET_ISOLATION_FLAG    0x0008

This datatype is available since SDL 3.2.0.