SDL_GetNumRenderDrivers - Get the number of 2D rendering drivers available for the current display.

       This function is available since SDL 3.2.0.

       A  render  driver is a set of code that handles rendering and texture management on a particular display.
       Normally there is only one, but some drivers may have several available with different capabilities.

       There may be none if SDL was compiled without render support.

       SDL_GetNumRenderDrivers - Get the number of 2D rendering drivers available for the current display.

       Returns the number of built in render drivers.

SDL_CreateRenderer(3), SDL_GetRenderDriver(3)

Simple Directmedia Layer                           SDL 3.2.20                         SDL_GetNumRenderDrivers(3)

#include<SDL3/SDL_render.h>intSDL_GetNumRenderDrivers(void);

       It is safe to call this function from any thread.