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SDL_GetDXGIOutputInfo

Get the DXGI Adapter and Output indices for the specified display.

#include <SDL3/SDL_system.h>
bool SDL_GetDXGIOutputInfo(SDL_DisplayID displayID, int *adapterIndex, int *outputIndex);

The DXGI Adapter and Output indices can be passed to EnumAdapters and EnumOutputs respectively to get the objects required to create a DX10 or DX11 device and swap chain.

the instance of the display to query.
a pointer to be filled in with the adapter index.
a pointer to be filled in with the output index.

for more information.

This function is available since SDL 3.2.0.