(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_HINT_RENDER_VSYNC

A variable controlling whether updates to the SDL screen surface should be synchronized with the vertical refresh, to avoid tearing.

Header File

Defined in <SDL3/SDL_hints.h>

Syntax

#define SDL_HINT_RENDER_VSYNC "SDL_RENDER_VSYNC"

Remarks

This hint overrides the application preference when creating a renderer.

The variable can be set to the following values:

• "0": Disable vsync. (default)
• "1": Enable vsync.

This hint should be set before creating a renderer.

Version

This hint is available since SDL 3.1.3.

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CategoryAPI, CategoryAPIMacro, CategoryHints

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