(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_MUSTLOCK

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

Header File

Defined in <SDL3/SDL_surface.h>

Syntax

#define SDL_MUSTLOCK(S) (((S)->flags & SDL_RLEACCEL) != 0)

Version

This macro is available since SDL 3.0.0.

CategoryAPI, CategoryAPIMacro, CategorySurface