vidmem.c (1932B)
1 /* 2 * Copyright (c) 1993-2003 by The XFree86 Project, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Except as contained in this notice, the name of the copyright holder(s) 23 * and author(s) shall not be used in advertising or otherwise to promote 24 * the sale, use or other dealings in this Software without prior written 25 * authorization from the copyright holder(s) and author(s). 26 */ 27 28 #ifdef HAVE_XORG_CONFIG_H 29 #include <xorg-config.h> 30 #endif 31 32 #include <X11/X.h> 33 #include "input.h" 34 #include "scrnintstr.h" 35 36 #include "xf86.h" 37 #include "xf86Priv.h" 38 #include "xf86_OSlib.h" 39 #include "xf86OSpriv.h" 40 41 /* 42 * This file contains the common part of the video memory mapping functions 43 */ 44 45 static VidMemInfo vidMemInfo = { FALSE, }; 46 47 void 48 xf86InitVidMem(void) 49 { 50 if (!vidMemInfo.initialised) { 51 memset(&vidMemInfo, 0, sizeof(VidMemInfo)); 52 xf86OSInitVidMem(&vidMemInfo); 53 } 54 }