1/* 2 * (C) Copyright IBM Corporation 2004 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * on the rights to use, copy, modify, merge, publish, distribute, sub 9 * license, and/or sell copies of the Software, and to permit persons to whom 10 * the Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 19 * IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 */ 24 25/** 26 * \file glx_query.c 27 * Generic utility functions to query internal data from the server. 28 * 29 * \author Ian Romanick <idr@us.ibm.com> 30 */ 31 32#include "glxclient.h" 33 34# include <X11/Xlib-xcb.h> 35# include <xcb/xcb.h> 36# include <xcb/glx.h> 37 38 39/** 40 * Exchange a protocol request for glXQueryServerString. 41 */ 42char * 43__glXQueryServerString(Display * dpy, CARD32 screen, CARD32 name) 44{ 45 xcb_connection_t *c = XGetXCBConnection(dpy); 46 xcb_glx_query_server_string_reply_t *reply = 47 xcb_glx_query_server_string_reply(c, 48 xcb_glx_query_server_string(c, 49 screen, 50 name), 51 NULL); 52 53 if (!reply) 54 return NULL; 55 56 /* The spec doesn't mention this, but the Xorg server replies with 57 * a string already terminated with '\0'. */ 58 uint32_t len = xcb_glx_query_server_string_string_length(reply); 59 char *buf = malloc(len); 60 memcpy(buf, xcb_glx_query_server_string_string(reply), len); 61 free(reply); 62 63 return buf; 64} 65 66/** 67 * Exchange a protocol request for glGetString. 68 */ 69char * 70__glXGetString(Display * dpy, CARD32 contextTag, CARD32 name) 71{ 72 xcb_connection_t *c = XGetXCBConnection(dpy); 73 xcb_glx_get_string_reply_t *reply = xcb_glx_get_string_reply(c, 74 xcb_glx_get_string 75 (c, 76 contextTag, 77 name), 78 NULL); 79 80 if (!reply) 81 return NULL; 82 83 /* The spec doesn't mention this, but the Xorg server replies with 84 * a string already terminated with '\0'. */ 85 uint32_t len = xcb_glx_get_string_string_length(reply); 86 char *buf = malloc(len); 87 memcpy(buf, xcb_glx_get_string_string(reply), len); 88 free(reply); 89 90 return buf; 91} 92 93