SDL_GetDirect3D9AdapterIndex(3)

💖 SDL_GetDirect3D9AdapterIndex 💖

okay bestie, welcome to the SDL3 FUNCTIONS corner of the manual, this one's called SDL_GetDirect3D9AdapterIndex and it is literally your plug for matching a display to its D3D9 adapter index 🦋

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✨ NAME ✨

SDL_GetDirect3D9AdapterIndex — get the D3D9 adapter index that matches the specified display 💅

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🌸 SYNOPSIS 🌸

#include <SDL3/SDL_system.h>

int SDL_GetDirect3D9AdapterIndex(SDL_DisplayID displayID);

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🎀 DESCRIPTION 🎀

so here's the tea 🍓 the adapter index you get back can be passed straight into IDirect3D9::CreateDevice, and that's the thing that controls on which monitor a full screen application will appear. yes, the whole "which screen am I taking over" situation. that's the vibe. no cap 🔥

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💜 FUNCTION PARAMETERS 💜

• displayID — the instance of the display to query. like, which one are we talking about bestie, be specific 🫶

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⭐ RETURN VALUE ⭐

Returns the D3D9 adapter index on success, or -1 on failure 😭 and if you got the -1, go call SDL_GetError() for more information, she'll tell you what went wrong.

not the -1 bestie, that's the "something's off" signal fr fr

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🌈 AVAILABILITY 🌈

this function is available since SDL 3.2.0. it's not ancient, it's just iconic 👑

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that's the whole page, go forth and create your device ✨

Simple Directmedia Layer — SDL 3.4.18 — SDL_GetDirect3D9AdapterIndex(3) 💖 mwah, stay slaying, read the docs, hydrate 🌸💅