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annotate src/timer/epoc/SDL_systimer.cpp @ 1768:814f9f2c7a33

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Fixed bug #80 Date: 21 Apr 2003 17:20:20 +0100 From: Alan Swanson <swanson@uklinux.net> Subject: [SDL] New XFree 4.3 Video Mode Patch If you look at the unsorted list of modes returned by X, here's mine; 1280 x 1024 @ 85.0 > 1024 x 768 @ 100.3 > USER 800 x 600 @ 125.5 > SET 640 x 480 @ 124.9 > 1280 x 1024 @ 75.0 ] 1280 x 1024 @ 60.0 ] 1280 x 960 @ 85.0 ] X11 1280 x 960 @ 60.0 ] AUTO 1152 x 864 @ 75.0 ]=20 1152 x 768 @ 54.8 ] 960 x 720 @ 120.0 ] ... 640 x 400 @ 85.1 ] 256k 576 x 432 @ 150.0 ] 249k PIXEL 640 x 350 @ 85.1 ] 224k COUNT 576 x 384 @ 109.6 ] 221k ... The user set modes come first followed by X set modes which are ordered by decreasing number of pixels and refresh. The reason why every other library or program not using SDL working is due to SDL scanning the modes in reverse getting X11 provided modes modes with the lowest refresh.
author Sam Lantinga <slouken@libsdl.org>
date Fri, 05 May 2006 05:50:26 +0000
parents 92947e3a18db
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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 #include "SDL_config.h"
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23
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24 #ifdef SDL_TIMER_EPOC
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25
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26 /*
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27 SDL_systimer.cpp
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28
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29 Epoc version by Hannu Viitala (hannu.j.viitala@mbnet.fi)
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30 */
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31
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32 #include <e32std.h>
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33 #include <e32hal.h>
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34
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35 extern "C" {
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36 #include "SDL_error.h"
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37 #include "SDL_thread.h"
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38 #include "SDL_timer.h"
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39 #include "../SDL_timer_c.h"
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40
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41 static TUint start = 0;
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42 static TInt tickPeriodMilliSeconds;
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43
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44
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45 void SDL_StartTicks(void)
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46 {
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47 /* Set first ticks value */
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48 start = User::TickCount();
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49
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50 TTimeIntervalMicroSeconds32 period;
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51 TInt tmp = UserHal::TickPeriod(period);
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52 tickPeriodMilliSeconds = period.Int() / 1000;
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53 }
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54
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55 Uint32 SDL_GetTicks(void)
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56 {
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57 TUint deltaTics = User::TickCount() - start;
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58 return(deltaTics * tickPeriodMilliSeconds);
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59 }
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60
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61 void SDL_Delay(Uint32 ms)
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62 {
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63
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64 User::After(TTimeIntervalMicroSeconds32(ms*1000));
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65 }
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66
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67 /* Data to handle a single periodic alarm */
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68 static int timer_alive = 0;
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69 static SDL_Thread *timer = NULL;
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70
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71 static int RunTimer(void *unused)
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72 {
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73 Uint32 ms;
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74
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75 while ( timer_alive ) {
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76 if ( SDL_timer_running ) {
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77 SDL_ThreadedTimerCheck();
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78 }
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79 SDL_Delay(10);
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80 }
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81 return(0);
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82 }
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83
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84 /* This is only called if the event thread is not running */
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85 int SDL_SYS_TimerInit(void)
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86 {
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87 timer_alive = 1;
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88 timer = SDL_CreateThread(RunTimer, NULL);
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89 if ( timer == NULL )
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90 return(-1);
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91 return(SDL_SetTimerThreaded(1));
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92 }
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93
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94 void SDL_SYS_TimerQuit(void)
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95 {
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96 timer_alive = 0;
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97 if ( timer ) {
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98 SDL_WaitThread(timer, NULL);
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99 timer = NULL;
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100 }
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101 }
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102
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103 int SDL_SYS_StartTimer(void)
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104 {
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105 SDL_SetError("Internal logic error: Epoc uses threaded timer");
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106 return(-1);
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107 }
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108
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109 void SDL_SYS_StopTimer(void)
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110 {
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111 return;
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112 }
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113
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114 }; // extern "C"
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115
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116 #endif /* SDL_TIMER_EPOC */