SDL_GetDirect3D9AdapterIndex

Get the D3D9 adapter index that matches the specified display.

Header File

Defined in <SDL3/SDL_system.h>

Syntax

int SDL_GetDirect3D9AdapterIndex(SDL_DisplayID displayID);

Function Parameters

SDL_DisplayID displayID the instance of the display to query.

Return Value

(int) Returns the D3D9 adapter index on success or -1 on failure; call SDL_GetError() for more information.

Remarks

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

Version

This function is available since SDL 3.2.0.

CategoryAPI, CategoryAPIFunction, CategorySystem