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Get the D3D9 adapter index that matches the specified display.


int SDL_Direct3D9GetAdapterIndex(SDL_DisplayID displayID);

Function Parameters

displayID the instance of the display to query

Return Value

Returns the D3D9 adapter index on success or a negative error code on failure; call SDL_GetError() for more information.


The returned adapter index can be passed to IDirect3D9::CreateDevice and controls on which monitor a full screen application will appear.


This function is available since SDL 3.0.0.

CategoryAPI, CategorySystem, CategoryDraft

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