(This is the legacy documentation for SDL2, the previous stable version; SDL3 is the current stable version.)

SDL_MUSTLOCK

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

Header File

Defined in SDL_surface.h

Syntax

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

CategoryAPI, CategoryAPIMacro, CategorySurface

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