Get the additional alpha value multiplied into render copy operations.
Defined in SDL_render.h
int SDL_GetTextureAlphaMod(SDL_Texture * texture,
Uint8 * alpha);
SDL_Texture * | texture | the texture to query. |
Uint8 * | alpha | a pointer filled in with the current alpha value. |
(int) Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
This function is available since SDL 2.0.0.