(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_HINT_KMSDRM_DEVICE_INDEX

A variable that controls what KMSDRM device to use.

Header File

Defined in <SDL3/SDL_hints.h>

Syntax

#define SDL_HINT_KMSDRM_DEVICE_INDEX "SDL_KMSDRM_DEVICE_INDEX"

Remarks

SDL might open something like "/dev/dri/cardNN" to access KMSDRM functionality, where "NN" is a device index number. SDL makes a guess at the best index to use (usually zero), but the app or user can set this hint to a number between 0 and 99 to force selection.

This hint should be set before SDL is initialized.

Version

This hint is available since SDL 3.0.0.

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CategoryAPI, CategoryAPIMacro

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