Mercurial > sdl-ios-xcode
annotate src/video/xbios/SDL_xbios_milan.c @ 4196:89c7562eae9b SDL-1.2
Enumerates custom modes
| author | Patrice Mandin <patmandin@gmail.com> |
|---|---|
| date | Sat, 19 Sep 2009 13:31:41 +0000 |
| parents | 13de8ea401db |
| children | 1bf6585720e9 |
| rev | line source |
|---|---|
| 4195 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997-2009 Sam Lantinga | |
| 4 | |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
| 20 slouken@libsdl.org | |
| 21 */ | |
| 22 #include "SDL_config.h" | |
| 23 | |
| 24 /* | |
| 25 Milan Xbios video functions | |
| 26 | |
| 27 Patrice Mandin | |
| 28 */ | |
| 29 | |
| 30 #include <mint/cookie.h> | |
| 31 | |
| 32 #include "SDL_xbios.h" | |
| 33 #include "SDL_xbios_milan.h" | |
| 34 | |
| 35 #ifndef Validmode | |
| 36 #define Validmode(mode) \ | |
| 37 (short)trap_14_ww((short)0x5f,(short)(mode)) | |
| 38 #endif | |
| 39 | |
| 40 #define NUM_PREDEFINED_MODES 7 | |
| 41 | |
| 42 typedef struct { | |
| 43 Uint16 width, height; | |
| 44 } predefined_mode_t; | |
| 45 | |
| 46 static const predefined_mode_t mode_list[NUM_PREDEFINED_MODES]={ | |
| 47 {640,400}, | |
| 48 {640,480}, | |
| 49 {800,608}, | |
| 50 {1024,768}, | |
| 51 {1152,864}, | |
| 52 {1280,1024}, | |
| 53 {1600,1200} | |
| 54 }; | |
| 55 | |
| 56 static const Uint8 mode_bpp[4]={ | |
| 57 8, 15, 16, 32 | |
| 58 }; | |
| 59 | |
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60 /*--- Variables ---*/ |
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61 |
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62 static int enum_actually_add; |
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63 static SDL_VideoDevice *enum_this; |
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64 |
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65 /*--- Functions ---*/ |
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66 |
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67 static unsigned long /*cdecl*/ enumfunc(SCREENINFO *inf, unsigned long flag) |
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68 { |
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69 xbiosmode_t modeinfo; |
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70 |
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71 modeinfo.number = inf->devID; |
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parents:
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72 modeinfo.width = inf->scrWidth; |
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73 modeinfo.height = inf->scrHeight; |
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74 modeinfo.depth = inf->scrPlanes; |
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75 modeinfo.doubleline = SDL_FALSE; |
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76 |
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77 SDL_XBIOS_AddMode(enum_this, enum_actually_add, &modeinfo); |
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78 |
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79 return ENUMMODE_CONT; |
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80 } |
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81 |
| 4195 | 82 void SDL_XBIOS_ListMilanModes(_THIS, int actually_add) |
| 83 { | |
| 84 int i; | |
| 85 | |
| 86 /* Read infos about current mode */ | |
| 87 | |
| 88 /* Read validated predefined modes */ | |
| 89 for (i=0; i<NUM_PREDEFINED_MODES; i++) { | |
| 90 int j; | |
| 91 Uint16 deviceid = 0x1000 + (i<<4); | |
| 92 | |
| 93 for (j=1; j<4; j++) { | |
| 94 if (Validmode(deviceid + j)) { | |
| 95 xbiosmode_t modeinfo; | |
| 96 | |
| 97 modeinfo.number = deviceid + j; | |
| 98 modeinfo.width = mode_list[i].width; | |
| 99 modeinfo.height = mode_list[i].height; | |
| 100 modeinfo.depth = mode_bpp[j-1]; | |
| 101 modeinfo.doubleline = SDL_FALSE; | |
| 102 | |
| 103 SDL_XBIOS_AddMode(this, actually_add, &modeinfo); | |
| 104 } | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 /* Read custom created modes */ | |
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parents:
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109 enum_this = this; |
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89c7562eae9b
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parents:
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110 enum_actually_add = actually_add; |
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89c7562eae9b
Enumerates custom modes
Patrice Mandin <patmandin@gmail.com>
parents:
4195
diff
changeset
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111 VsetScreen(-1, &enumfunc, MI_MAGIC, CMD_ENUMMODES); |
| 4195 | 112 } |