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