A variable controlling whether updates to the SDL screen surface should be synchronized with the vertical refresh, to avoid tearing.
Defined in <SDL3/SDL_hints.h>
#define SDL_HINT_RENDER_VSYNC "SDL_RENDER_VSYNC"
This hint overrides the application preference when creating a renderer.
The variable can be set to the following values:
This hint should be set before creating a renderer.
This hint is available since SDL 3.0.0.