Get the additional alpha value multiplied into render copy operations.
The texture to query.
A pointer filled in with the current alpha value.
true on success or false on failure; call SDL_GetError for more information.
Threadsafety: This function should only be called on the main thread.
SDL_GetTextureAlphaModFloat SDL_GetTextureColorMod SDL_SetTextureAlphaMod
See Implementation
Get the additional alpha value multiplied into render copy operations.