xcb_glx_get_tex_enviv(3)

💅 xcb_glx_get_tex_enviv — bestie, we're pulling texenv values from GLX 💅

okay so this page lives in the XCB Requests section of the libxcb manual (that's the libxcb 1.17.0 girlies, X Version 11 energy ✨). It's giving "GLX, but make it a request you can actually fire off from C" and I'm obsessed.

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✨ NAME ✨

xcb_glx_get_tex_enviv — ngl the original leaves this blank, so here's the vibe: it's the XCB request that asks the X11 server for GLX texture environment values. Periodt.

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🦋 SYNOPSIS 🦋

#include <xcb/glx.h>

Request function 🌸

xcb_glx_get_tex_enviv_cookie_t
       xcb_glx_get_tex_enviv(xcb_connection_t *conn,
       xcb_glx_context_tag_t context_tag, uint32_t target,
       uint32_t pname);

Reply datastructure 🎀

typedef struct xcb_glx_get_tex_enviv_reply_t {
    uint8_t  response_type;
    uint8_t  pad0;
    uint16_t sequence;
    uint32_t length;
    uint8_t  pad1[4];
    uint32_t n;
    int32_t  datum;
    uint8_t  pad2[12];
} xcb_glx_get_tex_enviv_reply_t;

Reply function 💖

xcb_glx_get_tex_enviv_reply_t
       *xcb_glx_get_tex_enviv_reply(xcb_connection_t *conn,
       xcb_glx_get_tex_enviv_cookie_t cookie, xcb_generic_error_t **e);

Reply accessors 👑

int32_t *xcb_glx_get_tex_enviv_data(const
       xcb_glx_get_tex_enviv_request_t *reply);

int xcb_glx_get_tex_enviv_data_length(const
       xcb_glx_get_tex_enviv_reply_t *reply);

xcb_generic_iterator_t xcb_glx_get_tex_enviv_data_end(const
       xcb_glx_get_tex_enviv_reply_t *reply);

not me squinting at that first accessor — yes, it literally takes an xcb_glx_get_tex_enviv_request_t *reply, that's what the original says, I'm just the messenger bestie 🙈

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🌈 REQUEST ARGUMENTS 🌈

• conn — The XCB connection to X11. Your lil phone line to the server, fr fr.
• context_tag — TODO: NOT YET DOCUMENTED. (the original really said "we'll get to it" 💀)
• target — TODO: NOT YET DOCUMENTED.
• pname — TODO: NOT YET DOCUMENTED.

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⭐ REPLY FIELDS ⭐

• response_type — The type of this reply, in this case XCB_GLX_GET_TEX_ENVIV. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other. Basically the reply's lil name tag so you know which one walked in 🫶
• sequence — The sequence number of the last request processed by the X11 server.
• length — The length of the reply, in words (a word is 4 bytes). Yes bestie, four bytes = one word, write that down.
• n — TODO: NOT YET DOCUMENTED.
• datum — TODO: NOT YET DOCUMENTED.

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💜 DESCRIPTION 💜

so... the original page leaves this section empty. no description, no lore, nothing. it's giving mystery, it's giving "figure it out", and honestly? iconic. 😭

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🍓 RETURN VALUE 🍓

Returns an xcb_glx_get_tex_enviv_cookie_t. Errors have to be handled when calling the reply function xcb_glx_get_tex_enviv_reply.

If you want to handle errors in the event loop instead, use xcb_glx_get_tex_enviv_unchecked. See xcb-requests(3) for details. (that's the "check the receipt later" route, lowkey valid ✨)

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🧚 ERRORS 🧚

This request does never generate any errors. Clean. Flawless. No drama, no notes. 💅

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💀 SEE ALSO 💀

the original section is empty here too — nothing to see, nothing to follow. we love a minimalist queen. 🙈

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🌸 AUTHOR 🌸

Generated from glx.xml. Contact xcb@lists.freedesktop.org for corrections and improvements. (so if something's off, that's the group chat to slide into 🫶)

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okay bestie that's the whole page!! sign-off time: this was X Version 11, libxcb 1.17.0, and it's the xcb_glx_get_tex_enviv(3) moment. go forth and query those tex envs, you absolute main character 👑✨🎀