NAME¶

SDL_GL_SwapWindow - Update a window with OpenGL rendering.

HEADER FILE¶

Defined in SDL3/SDL_video.h

SYNOPSIS¶

#include "SDL3/SDL.h"

bool SDL_GL_SwapWindow(SDL_Window *window);

DESCRIPTION¶

This is used with double-buffered OpenGL contexts, which are the default.

On macOS, make sure you bind 0 to the draw framebuffer before swapping the window, otherwise nothing will happen. If you aren't using glBindFramebuffer(), this is the default and you won't have to do anything extra.

FUNCTION PARAMETERS¶

window

the window to change.

RETURN VALUE¶

Returns true on success or false on failure; call

SDL_GetError () for more information.

THREAD SAFETY¶

This function should only be called on the main thread.

AVAILABILITY¶

This function is available since SDL 3.1.3.