SDL_RenderFillRect - Fill a rectangle on the current rendering target with the drawing color at subpixel

       This function is available since SDL 3.2.0.

renderer
              the renderer which should fill a rectangle.

       rect   a pointer to the destination rectangle, or NULL for the entire rendering target.

       SDL_RenderFillRect  - Fill a rectangle on the current rendering target with the drawing color at subpixel
       precision.

       for more information.

SDL_RenderFillRects(3)

Simple Directmedia Layer                           SDL 3.2.20                              SDL_RenderFillRect(3)

#include<SDL3/SDL_render.h>boolSDL_RenderFillRect(SDL_Renderer*renderer,constSDL_FRect*rect);

       This function should only be called on the main thread.