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annotate src/video/xbios/SDL_xbios_centscreen.c @ 2769:2a46b5912665

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Added missing math.h functionality for SDL_audiocvt.c
author Sam Lantinga <slouken@libsdl.org>
date Sun, 12 Oct 2008 16:30:42 +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 Centscreen extension definitions
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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 #include <mint/falcon.h>
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31
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32 #include "SDL_xbios.h"
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33 #include "SDL_xbios_centscreen.h"
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34
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35 int
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36 SDL_XBIOS_CentscreenInit(_THIS)
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37 {
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38 #if 0
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39 centscreen_mode_t curmode, listedmode;
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40 unsigned long result;
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41 int cur_handle; /* Current Centscreen mode handle */
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42
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43 /* Reset current mode list */
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44 if (XBIOS_modelist) {
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45 SDL_free(XBIOS_modelist);
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46 XBIOS_nummodes = 0;
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47 XBIOS_modelist = NULL;
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48 }
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49
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50 /* Add Centscreen modes */
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51 Vread(&curmode);
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52 cur_handle = curmode.handle;
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53 curmode.mode = curmode.physx = curmode.physy = curmode.plan =
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54 curmode.logx = curmode.logy = -1;
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55
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56 result = Vfirst(&curmode, &listedmode);
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57 if (result == 0) {
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58 while (result == 0) {
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59 /* Don't add modes with virtual screen */
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60 if ((listedmode.mode & CSCREEN_VIRTUAL) == 0) {
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61 /* Don't add modes with bpp<8 */
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62 if (listedmode.plan >= 8) {
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63 SDL_XBIOS_AddMode(this, listedmode.mode,
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64 listedmode.physx,
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65 listedmode.physy,
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66 listedmode.plan, SDL_FALSE);
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67 }
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68 }
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69 SDL_memcpy(&curmode, &listedmode, sizeof(centscreen_mode_t));
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70 curmode.mode = curmode.physx = curmode.physy = curmode.plan =
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71 curmode.logx = curmode.logy = -1;
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72 result = Vnext(&curmode, &listedmode);
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73 }
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74 } else {
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75 fprintf(stderr, "No suitable Centscreen modes\n");
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76 }
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77
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78 return cur_handle;
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79 #else
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80 return -1;
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81 #endif
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82 }
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83
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84 void
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85 SDL_XBIOS_CentscreenSetmode(_THIS, int width, int height, int planes)
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86 {
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87 #if 0
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88 centscreen_mode_t newmode, curmode;
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89
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90 newmode.handle = newmode.mode = newmode.logx = newmode.logy = -1;
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91 newmode.physx = width;
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92 newmode.physy = height;
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93 newmode.plan = planes;
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94 Vwrite(0, &newmode, &curmode);
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95
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96 /* Disable screensaver */
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97 Vread(&newmode);
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98 newmode.mode &= ~(CSCREEN_SAVER | CSCREEN_ENERGYSTAR);
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99 Vwrite(0, &newmode, &curmode);
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100 #endif
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101 }
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102
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103 void
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104 SDL_XBIOS_CentscreenRestore(_THIS, int prev_handle)
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105 {
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106 #if 0
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107 centscreen_mode_t newmode, curmode;
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108
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109 /* Restore old video mode */
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110 newmode.handle = prev_handle;
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111 newmode.mode = newmode.physx = newmode.physy = newmode.plan =
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112 newmode.logx = newmode.logy = -1;
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113 Vwrite(0, &newmode, &curmode);
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114 #endif
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115 }
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116
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117 /* vi: set ts=4 sw=4 expandtab: */