Man page - sdl_setrendervsync(3)

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Manual

SDL_SetRenderVSync

NAME
HEADER FILE
SYNOPSIS
DESCRIPTION
FUNCTION PARAMETERS
RETURN VALUE
THREAD SAFETY
AVAILABILITY
SEE ALSO

NAME

SDL_SetRenderVSync - Toggle VSync of the given renderer.

HEADER FILE

Defined in SDL3/SDL_render.h

SYNOPSIS

#include "SDL3/SDL.h"

bool SDL_SetRenderVSync(SDL_Renderer *renderer, int vsync);
#define SDL_RENDERER_VSYNC_DISABLED 0
#define SDL_RENDERER_VSYNC_ADAPTIVE (-1)

DESCRIPTION

When a renderer is created, vsync defaults to

SDL_RENDERER_VSYNC_DISABLED .

The vsync parameter can be 1 to synchronize present with every vertical refresh, 2 to synchronize present with every second vertical refresh, etc.,

SDL_RENDERER_VSYNC_ADAPTIVE
for late swap tearing (adaptive vsync), or

SDL_RENDERER_VSYNC_DISABLED
to disable. Not every value is supported by every driver, so you should check the return value to see whether the requested setting is supported.

FUNCTION PARAMETERS

renderer

the renderer to toggle.

vsync

the vertical refresh sync interval.

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 3.2.0.