# 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)