SDL_PremultiplySurfaceAlpha - Premultiply the alpha in a surface.

       This function is available since SDL 3.2.0.

Simple Directmedia Layer                           SDL 3.2.10                     SDL_PremultiplySurfaceAlpha(3)

       This is safe to use with src == dst, but not for other overlapping areas.

surface
              the surface to modify.

       linear true to convert from sRGB to linear space for the alpha multiplication, false to do multiplication
              in sRGB space.

       Defined in SDL3/SDL_surface.h

       SDL_PremultiplySurfaceAlpha - Premultiply the alpha in a surface.

       Returns true on success or false on failure; call

       SDL_GetError () for more information.

#include"SDL3/SDL.h"boolSDL_PremultiplySurfaceAlpha(SDL_Surface*surface,boollinear);

       This function is not thread safe.