93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
/*
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* (C) Copyright IBM Corporation 2004
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file glx_query.c
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* Generic utility functions to query internal data from the server.
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*
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* \author Ian Romanick <idr@us.ibm.com>
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*/
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#include "glxclient.h"
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# include <X11/Xlib-xcb.h>
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# include <xcb/xcb.h>
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# include <xcb/glx.h>
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/**
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* Exchange a protocol request for glXQueryServerString.
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*/
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char *
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__glXQueryServerString(Display * dpy, CARD32 screen, CARD32 name)
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{
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xcb_connection_t *c = XGetXCBConnection(dpy);
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xcb_glx_query_server_string_reply_t *reply =
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xcb_glx_query_server_string_reply(c,
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xcb_glx_query_server_string(c,
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screen,
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name),
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NULL);
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if (!reply)
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return NULL;
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/* The spec doesn't mention this, but the Xorg server replies with
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* a string already terminated with '\0'. */
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uint32_t len = xcb_glx_query_server_string_string_length(reply);
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char *buf = malloc(len);
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memcpy(buf, xcb_glx_query_server_string_string(reply), len);
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free(reply);
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return buf;
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}
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/**
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* Exchange a protocol request for glGetString.
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*/
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char *
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__glXGetString(Display * dpy, CARD32 contextTag, CARD32 name)
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{
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xcb_connection_t *c = XGetXCBConnection(dpy);
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xcb_glx_get_string_reply_t *reply = xcb_glx_get_string_reply(c,
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xcb_glx_get_string
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(c,
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contextTag,
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name),
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NULL);
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if (!reply)
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return NULL;
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/* The spec doesn't mention this, but the Xorg server replies with
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* a string already terminated with '\0'. */
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uint32_t len = xcb_glx_get_string_string_length(reply);
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char *buf = malloc(len);
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memcpy(buf, xcb_glx_get_string_string(reply), len);
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free(reply);
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return buf;
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}
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