Function SDL_GetSurfaceAlphaMod

pub unsafe extern "C" fn SDL_GetSurfaceAlphaMod(
    surface: *mut SDL_Surface,
    alpha: *mut u8,
) -> bool

Available on crate feature dep_sdl3 only.

Get the additional alpha value used in blit operations.

Parameters

• surface: the SDL_Surface structure to query.
• alpha: a pointer filled in with the current alpha value.

Return value

Returns true on success or false on failure; call SDL_GetError() for more information.

Availability

This function is available since SDL 3.2.0.

See also

• SDL_GetSurfaceColorMod
• SDL_SetSurfaceAlphaMod