DOKK / manpages / debian 13 / libsdl3-doc / SDL_UnlockTexture.3.en
SDL_UnlockTexture(3) SDL3 FUNCTIONS SDL_UnlockTexture(3)

SDL_UnlockTexture - Unlock a texture, uploading the changes to video memory, if needed.

Defined in SDL3/SDL_render.h

#include "SDL3/SDL.h"
void SDL_UnlockTexture(SDL_Texture *texture);

Warning : Please note that SDL_LockTexture () is intended to be write-only; it will not guarantee the previous contents of the texture will be provided. You must fully initialize any area of a texture that you lock before unlocking it, as the pixels might otherwise be uninitialized memory.

Which is to say: locking and immediately unlocking a texture can result in corrupted textures, depending on the renderer in use.

a texture locked by SDL_LockTexture ().

This function should only be called on the main thread.

This function is available since SDL 3.2.0.

(3), SDL_LockTexture(3)

SDL 3.2.10 Simple Directmedia Layer