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annotate src/timer/epoc/SDL_systimer.cpp @ 1057:e9d23bb80140

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Date: Mon, 02 May 2005 04:23:16 -0500 From: Jonathan Atkins Subject: Re: [PATCH] *CRITICAL* 8bit direct RGB palette not being created I think that SDL_AllocFormat should create the palette for all 8bit surfaces. And when the RGBAmasks match the normal 3:3:2:0 we need to apply the old behavior. If the mask doesn't match that, then we need to make the right palette assuming the masks are valid (I don't think we validate any masks for high color surfaces...so we wouldn't here) Then there's always a palette available for the 8bit surfaces. This restores the normal behavior and allows for masks to create palettes automatically for odd masks even, which would be a neato thing to have in there, as SDL never did this before.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 16 May 2005 05:34:58 +0000
parents f6ffac90895c
children 19418e4422cb
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, 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
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23 /*
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24 SDL_systimer.cpp
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25
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26 Epoc version by Hannu Viitala (hannu.j.viitala@mbnet.fi)
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27 */
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28
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29 #include <e32std.h>
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30 #include <e32hal.h>
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31
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32 extern "C" {
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33 #include "SDL_error.h"
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34 #include "SDL_thread.h"
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35 #include "SDL_timer.h"
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36 #include "SDL_timer_c.h"
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37
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38 static TUint start = 0;
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39 static TInt tickPeriodMilliSeconds;
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40
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41
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42 void SDL_StartTicks(void)
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43 {
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44 /* Set first ticks value */
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45 start = User::TickCount();
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46
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47 TTimeIntervalMicroSeconds32 period;
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48 TInt tmp = UserHal::TickPeriod(period);
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49 tickPeriodMilliSeconds = period.Int() / 1000;
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50 }
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51
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52 Uint32 SDL_GetTicks(void)
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53 {
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54 TUint deltaTics = User::TickCount() - start;
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55 return(deltaTics * tickPeriodMilliSeconds);
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56 }
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57
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58 void SDL_Delay(Uint32 ms)
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59 {
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60
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61 User::After(TTimeIntervalMicroSeconds32(ms*1000));
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62 }
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63
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64 /* Data to handle a single periodic alarm */
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65 static int timer_alive = 0;
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66 static SDL_Thread *timer = NULL;
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67
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68 static int RunTimer(void *unused)
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69 {
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70 Uint32 ms;
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71
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72 while ( timer_alive ) {
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73 if ( SDL_timer_running ) {
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74 SDL_ThreadedTimerCheck();
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75 }
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76 SDL_Delay(10);
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77 }
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78 return(0);
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79 }
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80
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81 /* This is only called if the event thread is not running */
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82 int SDL_SYS_TimerInit(void)
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83 {
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84 timer_alive = 1;
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85 timer = SDL_CreateThread(RunTimer, NULL);
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86 if ( timer == NULL )
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87 return(-1);
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88 return(SDL_SetTimerThreaded(1));
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89 }
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90
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91 void SDL_SYS_TimerQuit(void)
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92 {
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93 timer_alive = 0;
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94 if ( timer ) {
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95 SDL_WaitThread(timer, NULL);
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96 timer = NULL;
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97 }
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98 }
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99
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100 int SDL_SYS_StartTimer(void)
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101 {
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102 SDL_SetError("Internal logic error: Epoc uses threaded timer");
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103 return(-1);
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104 }
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105
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106 void SDL_SYS_StopTimer(void)
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107 {
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108 return;
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109 }
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110
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111 }; // extern "C"