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

SDL_UnlockTexture

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

Syntax

void SDL_UnlockTexture(SDL_Texture * texture);

Function Parameters

texture

a texture locked by SDL_LockTexture()

Remarks

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.

Version

This function is available since SDL 3.0.0.

SDL_LockTexture

CategoryAPI, CategoryRender


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