Man page - sdl_updatewindowsurface(3)

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Package: libsdl3-doc
apt-get install libsdl3-doc

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SDL_UpdateWindowSurface - Copy the window surface to the screen.

Defined in SDL3/SDL_video.h

#include "SDL3/SDL.h"

bool SDL_UpdateWindowSurface(SDL_Window *window);

This is the function you use to reflect any changes to the surface on the screen.

This function is equivalent to the SDL 1.2 API SDL_Flip ().

window

the window to update.

Returns true on success or false on failure; call

SDL_GetError () for more information.

This function should only be called on the main thread.

This function is available since SDL 3.2.0.