SDL_SetTextureAlphaModFloat - Set an additional alpha value multiplied into render copy operations.

       This function is available since SDL 3.2.0.

       When  this  texture  is  rendered,  during the copy operation the source alpha value is modulated by this
       alpha value according to the following formula:

       srcA=srcA*alpha

       Alpha modulation is not always supported by the renderer; it will return false if alpha modulation is not
       supported.

texture
              the texture to update.

       alpha  the source alpha value multiplied into copy operations.

       SDL_SetTextureAlphaModFloat - Set an additional alpha value multiplied into render copy operations.

       for more information.

SDL_GetTextureAlphaModFloat(3), SDL_SetTextureAlphaMod(3), SDL_SetTextureColorModFloat(3)

Simple Directmedia Layer                           SDL 3.2.20                     SDL_SetTextureAlphaModFloat(3)

#include<SDL3/SDL_render.h>boolSDL_SetTextureAlphaModFloat(SDL_Texture*texture,floatalpha);

       This function should only be called on the main thread.