Function sdl2_sys::SDL_GetTextureAlphaMod

source ·

pub unsafe extern "C" fn SDL_GetTextureAlphaMod(
    texture: *mut SDL_Texture,
    alpha: *mut Uint8
) -> c_int

Expand description

Get the additional alpha value multiplied into render copy operations.

\param texture the texture to query \param alpha a pointer filled in with the current alpha value \returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

\since This function is available since SDL 2.0.0.

\sa SDL_GetTextureColorMod \sa SDL_SetTextureAlphaMod