GLXQUERYEXTENSIONSSTRING(3G)

💖 GLXQUERYEXTENSIONSSTRING 💖

okay bestie, gather round, because today we're talking about glXQueryExtensionsString — it's a GLX function, manual section 3G, and it is literally the "so what can this thing even do" girlie of the GLX world. no cap.

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✨ NAME ✨

glXQueryExtensionsString — return list of supported extensions 🦋

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✨ C SPECIFICATION ✨

like, here's the exact shape of it, don't freestyle this:

const char * glXQueryExtensionsString( Display *dpy,
                                       int screen )

delim $$

(yes that delim $$ line is really in there, it's a troff thing, we keep it, we respect it 💅)

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✨ PARAMETERS ✨

• dpy — Specifies the connection to the X server. it's the link-up, the group chat you're pulling info from 🫶
• screen — Specifies the screen. which one tho. you gotta say which one.

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✨ DESCRIPTION ✨

so glXQueryExtensionsString hands you back a pointer to a string that describes which GLX extensions are supported on the connection. icon behaviour honestly.

that string is null-terminated and it's a space-separated list of extension names. the extension names themselves never contain spaces — not even once, not even for drama. so spaces = the dividers, always.

and if there are like... no extensions to GLX at all? you get the empty string. it's giving nothing because there IS nothing. 😭

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✨ NOTES ✨

heads up bestie: glXQueryExtensionsString is available only if the GLX version is 1.1 or greater. check first or you're gonna have a bad time.

also, super important, don't get it twisted: glXQueryExtensionsString only returns info about GLX extensions. if you want the GL extensions list, you gotta call glGetString. different function, different vibe, different list. ✨

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✨ SEE ALSO ✨

• glGetString
• glXQueryVersion
• glXQueryServerString
• glXGetClientString

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and that's the whole page, bestie!! 🌈 this was the GLXQUERYEXTENSIONSSTRING manual page, hanging out in section 3G of your friendly neighbourhood Unix manuals — the header up top and the footer down bottom both say the same thing because it's that girl, and she said it twice for emphasis. 👑💖 mwah, go query some extensions, you got this 🎀🦋