(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_GetRectDisplayIndex

Get the index of the display primarily containing a rect

Header File

Defined in SDL_video.h, but apps should only #include "SDL.h"!

Syntax

int SDL_GetRectDisplayIndex(const SDL_Rect * rect);

Function Parameters

rect

the rect to query

Return Value

Returns the index of the display entirely containing the rect or closest to the center of the rect on success or a negative error code on failure; call SDL_GetError() for more information.

Version

This function is available since SDL 2.24.0.