SDL_MUSTLOCK - Man Page

Evaluates to true if the surface needs to be locked before access.

Synopsis

#include <SDL3/SDL_surface.h>

#define SDL_MUSTLOCK(S) (((S)->flags & SDL_SURFACE_LOCK_NEEDED) == SDL_SURFACE_LOCK_NEEDED)

Availability

This macro is available since SDL 3.2.0.

Referenced By

SDL_LockSurface(3).

SDL 3.2.16 Simple Directmedia Layer SDL3 FUNCTIONS