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annotate src/video/x11/SDL_x11dyn.h @ 1168:045f186426e1

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Dynamically load X11 libraries like we currently do for alsa, esd, etc. This allows you to run an SDL program on a system without Xlib, since it'll just report the x11 target unavailable at runtime.
author Ryan C. Gordon <icculus@icculus.org>
date Sat, 05 Nov 2005 19:53:37 +0000
parents
children 4b3e2294782d
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1168
045f186426e1 Dynamically load X11 libraries like we currently do for alsa, esd, etc.
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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 #include <X11/extensions/extutil.h>
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32
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33 #ifndef NO_SHARED_MEMORY
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34 #include <sys/ipc.h>
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35 #include <sys/shm.h>
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36 #include <X11/extensions/XShm.h>
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37 #endif
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38
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39 /*
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40 * Never reference Xlib directly...we might load it dynamically at runtime.
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41 * Even if we don't, for readability, we still use the function pointers
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42 * (although the symbol resolution will be done by the loader in that case).
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43 *
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44 * We define SDL_X11_SYM and include SDL_x11sym.h to accomplish various
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45 * goals, without having to duplicate those function signatures.
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46 */
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47 #ifdef __cplusplus
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48 extern "C" {
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49 #endif
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50
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51 /* evil function signatures... */
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52 typedef Bool (*SDL_X11_XESetWireToEventRetType)(Display*,XEvent*,xEvent*);
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53 typedef int (*SDL_X11_XSynchronizeRetType)(Display*);
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54 typedef Status (*SDL_X11_XESetEventToWireRetType)(Display*,XEvent*,xEvent*);
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55
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56 #define SDL_X11_SYM(ret,fn,params) extern ret (*p##fn) params;
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57 #include "SDL_x11sym.h"
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58 #undef SDL_X11_SYM
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59
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60 /* Macro in the xlib headers, not an actual symbol... */
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61 #define pXDestroyImage XDestroyImage
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62
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63 int SDL_X11_LoadSymbols(void);
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64 void SDL_X11_UnloadSymbols(void);
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65
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66 #ifdef __cplusplus
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67 }
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68 #endif
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69
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70 #endif /* !defined _SDL_x11dyn_h */
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71