Mercurial > sdl-ios-xcode

annotate src/video/xbios/SDL_xbios_centscreen.c @ 2896:1ef2f1e75ff7

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Date: Sat, 20 Dec 2008 23:25:19 +0100 From: Couriersud Subject: 32 & 16 bit versions of blendrect and blendline attached are 32, 16 and 15 bit versions of the blendrect and blendline functionality. There was an issue with the bresenham alg. in drawline which I also fixed.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 20 Dec 2008 23:19:20 +0000
parents 99210400e8b9
children
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 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: */