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


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


void SDL_UnlockTexture(SDL_Texture * texture);

Function Parameters

texture a texture locked by SDL_LockTexture()


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.


This function is available since SDL 2.0.0.


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