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annotate src/video/qtopia/SDL_lowvideo.h @ 1157:baf35853ad54

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Date: Mon, 10 Oct 2005 13:09:32 +0300 From: Tommi Kyntola <tommi.kyntola@ray.fi> To: sdl@libsdl.org Subject: [SDL] [RFC] get_ticks broken on linux It uses gettimeofday to calculate the timedifference. Gettimeofday returns current time which is seldom monotonous. This breaks SDL timer subsystem. (time callbacks and all that get borked when the time difference ms is suddenly ~ 2^32) I posted a message about this earlier but got no response. Some thoughts on this matter would be appreciated. (Or even an explanation for the lack of interest.) A patch below would use the posix timers that have been around since posix 93 and do provide a good source of monotonous time on linux boxes (and on few others too). The following patch is also availabe at: http://www.hut.fi/u/tkyntola/SDL-1.2.9-clockfix.patch It's against 1.2.9, but I can easily rediffit against the cvs branch is needed. cheers, Tommi Kyntola tommi.kyntola@ray.fi
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 11 Oct 2005 18:16:12 +0000
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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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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 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _SDL_lowvideo_h
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29 #define _SDL_lowvideo_h
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30
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31 #include "SDL_mouse.h"
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32 #include "SDL_sysvideo.h"
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33
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34 /* Hidden "this" pointer for the video functions */
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35 #define _THIS SDL_VideoDevice *_this
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36
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37 /* Private display data */
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38 struct SDL_PrivateVideoData {
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39 /* The main window */
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40 SDL_QWin *SDL_Win;
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41
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42 /* The fullscreen mode list */
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43 #define NUM_MODELISTS 4 /* 8, 16, 24, and 32 bits-per-pixel */
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44 int SDL_nummodes[NUM_MODELISTS];
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45 SDL_Rect **SDL_modelist[NUM_MODELISTS];
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46
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47 /* A completely clear cursor */
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48 WMcursor *BlankCursor;
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49
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50 /* Mouse state variables */
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51 Uint32 last_buttons;
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52 QPoint last_point;
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53
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54 /* Keyboard state variables */
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55 int key_flip;
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56 //struct key_info keyinfo[2];
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57 };
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58 /* Old variable names */
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59 #define SDL_Win (_this->hidden->SDL_Win)
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60 #define saved_mode (_this->hidden->saved_mode)
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61 #define SDL_nummodes (_this->hidden->SDL_nummodes)
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62 #define SDL_modelist (_this->hidden->SDL_modelist)
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63 #define SDL_BlankCursor (_this->hidden->BlankCursor)
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64 #define last_buttons (_this->hidden->last_buttons)
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65 #define last_point (_this->hidden->last_point)
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66 #define key_flip (_this->hidden->key_flip)
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67 #define keyinfo (_this->hidden->keyinfo)
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68
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69 #endif /* _SDL_lowvideo_h */