(This is the legacy documentation for SDL2, the previous stable version; SDL3 is the current stable 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 SDL_hints.h

Syntax

#define SDL_HINT_RENDER_VSYNC               "SDL_RENDER_VSYNC"

Remarks

This variable can be set to the following values:

• "0": Disable vsync
• "1": Enable vsync

By default SDL does not sync screen surface updates with vertical refresh.

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CategoryAPI, CategoryAPIMacro, CategoryHints

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