annotate src/video/x11/SDL_x11dyn.h @ 1235:f60f6f4ffc6f

Make some dynamic X11 symbols option. _XData32 and _XRead32 are only available on 64-bit systems, and are chosen with macros in the X11 headers. So on 32-bit systems, it should fail to find these symbols and keep going anyhow.
author Ryan C. Gordon <icculus@icculus.org>
date Fri, 06 Jan 2006 20:56:13 +0000
parents d05306f0dc21
children a388f2b59044
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifndef _SDL_x11dyn_h
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24 #define _SDL_x11dyn_h
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25
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26 #include <X11/Xlib.h>
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27 #include <X11/Xutil.h>
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28 #include <X11/Xatom.h>
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29 #include <X11/Xproto.h>
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30 #include <X11/Xlibint.h>
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31
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32 #if defined(__osf__)
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33 #include <XFree86/extensions/extutil.h>
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34 #else
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35 #include <X11/extensions/extutil.h>
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36 #endif
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37
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38 #ifndef NO_SHARED_MEMORY
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39 #include <sys/ipc.h>
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40 #include <sys/shm.h>
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41 #include <X11/extensions/XShm.h>
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42 #endif
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43
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44 /*
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45 * Never reference Xlib directly...we might load it dynamically at runtime.
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46 * Even if we don't, for readability, we still use the function pointers
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47 * (although the symbol resolution will be done by the loader in that case).
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48 *
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49 * We define SDL_X11_SYM and include SDL_x11sym.h to accomplish various
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50 * goals, without having to duplicate those function signatures.
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51 */
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52 #ifdef __cplusplus
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53 extern "C" {
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54 #endif
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55
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56 /* evil function signatures... */
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57 typedef Bool (*SDL_X11_XESetWireToEventRetType)(Display*,XEvent*,xEvent*);
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58 typedef int (*SDL_X11_XSynchronizeRetType)(Display*);
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59 typedef Status (*SDL_X11_XESetEventToWireRetType)(Display*,XEvent*,xEvent*);
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60
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61 #define SDL_X11_SYM(req,ret,fn,params) extern ret (*p##fn) params;
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62 #include "SDL_x11sym.h"
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63 #undef SDL_X11_SYM
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64
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65 /* Macro in the xlib headers, not an actual symbol... */
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66 #define pXDestroyImage XDestroyImage
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67
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68 /* Workaround code in headers... */
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69 #if !__SDL_NO_REDEFINE_X11_HEADER_SYMS
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70 #define _XFlush p_XFlush
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71 #define _XFlushGCCache p_XFlushGCCache
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72 #define _XReply p_XReply
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73 #define _XSend p_XSend
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74 #define _XData32 p_XData32
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75 #endif
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76
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77 int SDL_X11_LoadSymbols(void);
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78 void SDL_X11_UnloadSymbols(void);
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79
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80 #ifdef __cplusplus
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81 }
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82 #endif
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83
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84 #endif /* !defined _SDL_x11dyn_h */
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85