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annotate src/video/xbios/SDL_xbios_sb3.c @ 3778:a9370b995ded gsoc2008_manymouse

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proximity events bug fix
author Szymon Wilczek <kazeuser@gmail.com>
date Wed, 06 Aug 2008 11:49:28 +0000
parents 0e751c1f83f5
children 99210400e8b9
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 #include "SDL_config.h"
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23
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24 /*
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25 ScreenBlaster 3 functions
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26
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27 Patrice Mandin
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28 */
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29
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30 /*--- Includes ---*/
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31
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32 #include "SDL_stdinc.h"
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33 #include "SDL_xbios.h"
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34 #include "SDL_xbios_sb3.h"
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35
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36 /*--- Defines ---*/
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37
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38 const int SDL_XBIOS_scpn_planes_device[] = {
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39 SCPN_DEV_1BPP,
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40 SCPN_DEV_4BPP,
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41 SCPN_DEV_8BPP,
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42 SCPN_DEV_16BPP,
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43 SCPN_DEV_2BPP,
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44 SCPN_DEV_4BPP,
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45 SCPN_DEV_1BPP
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46 };
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47
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48 /*--- Functions ---*/
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49
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50 int
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51 SDL_XBIOS_SB3Usable(scpn_cookie_t * cookie_scpn)
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52 {
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53 #if 0
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54 scpn_screeninfo_t *scrinfo;
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55 int bpp;
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56
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57 /* Check if current SB3 mode is usable, i.e. 8 or 16bpp */
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58 scrinfo = cookie_scpn->screen_info;
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59 bpp = 1 << (SDL_XBIOS_scpn_planes_device[scrinfo->device]);
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60
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61 if ((bpp == 8) || (bpp == 16)) {
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62 return 1;
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63 }
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64 #endif
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65
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66 return 0;
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67 }
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68
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69 void
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70 SDL_XBIOS_SB3Init(_THIS, scpn_cookie_t * cookie_scpn)
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71 {
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72 #if 0
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73 scpn_screeninfo_t *scrinfo;
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74
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75 /* SB3 prevent changing video modes, we can only use current one */
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76 if (XBIOS_modelist) {
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77 SDL_free(XBIOS_modelist);
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78 XBIOS_nummodes = 0;
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79 XBIOS_modelist = NULL;
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80 }
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81
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82 scrinfo = cookie_scpn->screen_info;
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83 scrinfo->h_pos = scrinfo->v_pos = 0;
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84
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85 SDL_XBIOS_AddMode(this,
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86 -1,
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87 scrinfo->virtual_width, scrinfo->virtual_height,
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88 1 << (SDL_XBIOS_scpn_planes_device[scrinfo->device]),
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89 SDL_FALSE);
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90 #endif
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91 }
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92
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93 /* vi: set ts=4 sw=4 expandtab: */