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

SDL_SurfaceFlags

The flags on an SDL_Surface.

Header File

Defined in <SDL3/SDL_surface.h>

Syntax

typedef Uint32 SDL_SurfaceFlags;

#define SDL_SURFACE_PREALLOCATED    0x00000001u /**< Surface uses preallocated pixel memory */
#define SDL_SURFACE_LOCK_NEEDED     0x00000002u /**< Surface needs to be locked to access pixels */
#define SDL_SURFACE_LOCKED          0x00000004u /**< Surface is currently locked */
#define SDL_SURFACE_SIMD_ALIGNED    0x00000008u /**< Surface uses pixel memory allocated with SDL_aligned_alloc() */

Remarks

These are generally considered read-only.

Version

This datatype is available since SDL 3.0.0.

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CategoryAPI, CategoryAPIDatatype, CategorySurface

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