SDL_GetRenderScale - Get the drawing scale for the current target.

       This function is available since SDL 3.2.0.

       Each render target has its own scale. This function gets the scale for the current render target.

renderer
              the rendering context.

       scaleX a pointer filled in with the horizontal scaling factor.

       scaleY a pointer filled in with the vertical scaling factor.

       SDL_GetRenderScale - Get the drawing scale for the current target.

       for more information.

SDL_SetRenderScale(3)

Simple Directmedia Layer                           SDL 3.2.20                              SDL_GetRenderScale(3)

#include<SDL3/SDL_render.h>boolSDL_GetRenderScale(SDL_Renderer*renderer,float*scaleX,float*scaleY);

       This function should only be called on the main thread.