SDL_GetCurrentRenderOutputSize - Get the current output size in pixels of a rendering context.

       This function is available since SDL 3.2.0.

       If  a  rendering target is active, this will return the size of the rendering target in pixels, otherwise
       return the value of

       SDL_GetRenderOutputSize ().

       Rendering target or not, the output will be adjusted by the current logical presentation state,  dictated
       by

       SDL_SetRenderLogicalPresentation ().

renderer
              the rendering context.

       w      a pointer filled in with the current width.

       h      a pointer filled in with the current height.

       Defined in SDL3/SDL_render.h

       SDL_GetCurrentRenderOutputSize - Get the current output size in pixels of a rendering context.

       Returns true on success or false on failure; call

       SDL_GetError () for more information.

•(3), SDL_GetRenderOutputSize(3)

Simple Directmedia Layer                           SDL 3.2.10                  SDL_GetCurrentRenderOutputSize(3)

#include"SDL3/SDL.h"boolSDL_GetCurrentRenderOutputSize(SDL_Renderer*renderer,int*w,int*h);

       This function should only be called on the main thread.