SDL_GetRenderLogicalPresentationRect - Get the final presentation rectangle for rendering.

       This function is available since SDL 3.2.0.

       This  function  returns the calculated rectangle used for logical presentation, based on the presentation
       mode and output size. If logical presentation is disabled, it will fill the  rectangle  with  the  output
       size, in pixels.

       Each  render  target  has  its  own  logical presentation state. This function gets the rectangle for the
       current render target.

renderer
              the rendering context.

       rect   a pointer filled in with the final presentation rectangle, may be NULL.

       SDL_GetRenderLogicalPresentationRect - Get the final presentation rectangle for rendering.

       for more information.

SDL_SetRenderLogicalPresentation(3)

Simple Directmedia Layer                           SDL 3.2.20            SDL_GetRenderLogicalPresentationRect(3)

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

       This function should only be called on the main thread.