SDL_GetWindowSize - Get the size of a window's client area.

       This function is available since SDL 3.2.0.

       The window pixel size may differ from its window coordinate size if the window is on a high pixel density
       display. Use SDL_GetWindowSizeInPixels() or SDL_GetRenderOutputSize() to get the real client area size in
       pixels.

window the window to query the width and height from.

       w      a pointer filled in with the width of the window, may be NULL.

       h      a pointer filled in with the height of the window, may be NULL.

       SDL_GetWindowSize - Get the size of a window's client area.

       for more information.

SDL_GetRenderOutputSize(3), SDL_GetWindowSizeInPixels(3), SDL_SetWindowSize(3)

Simple Directmedia Layer                           SDL 3.2.20                               SDL_GetWindowSize(3)

#include<SDL3/SDL_video.h>boolSDL_GetWindowSize(SDL_Window*window,int*w,int*h);

       This function should only be called on the main thread.