(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous 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_SURFACE_LOCK_NEEDED)) == SDL_SURFACE_LOCK_NEEDED)

Version

This macro is available since SDL 3.1.3.

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CategoryAPI, CategoryAPIMacro, CategorySurface

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