###### (This is the legacy documentation for SDL2, the previous stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current stable version.) # SDL_GetTextureAlphaMod Get the additional alpha value multiplied into render copy operations. ## Header File Defined in [SDL_render.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_render.h) ## Syntax ```c int SDL_GetTextureAlphaMod(SDL_Texture * texture, Uint8 * alpha); ``` ## Function Parameters | | | | | ---------------------------- | ----------- | ------------------------------------------------- | | [SDL_Texture](SDL_Texture) * | **texture** | the texture to query. | | Uint8 * | **alpha** | a pointer filled in with the current alpha value. | ## Return Value (int) Returns 0 on success or a negative error code on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Version This function is available since SDL 2.0.0. ## See Also - [SDL_GetTextureColorMod](SDL_GetTextureColorMod) - [SDL_SetTextureAlphaMod](SDL_SetTextureAlphaMod) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryRender](CategoryRender)