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


Get the index of the display primarily containing a rect


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.


This function is available since SDL 2.24.0.


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