Mercurial > sdl-ios-xcode
annotate src/video/xbios/SDL_xbios_milan.c @ 4347:38f22ed3a433 SDL-1.2
Option to fix bug #851
For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 17 Oct 2009 06:55:17 +0000 |
| parents | 6405314a7c07 |
| children |
| 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> | |
|
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31 #include <mint/falcon.h> |
| 4195 | 32 |
| 33 #include "SDL_xbios.h" | |
| 34 #include "SDL_xbios_milan.h" | |
| 35 | |
| 36 #ifndef Validmode | |
| 37 #define Validmode(mode) \ | |
| 38 (short)trap_14_ww((short)0x5f,(short)(mode)) | |
| 39 #endif | |
| 40 | |
| 41 #define NUM_PREDEFINED_MODES 7 | |
| 42 | |
| 43 typedef struct { | |
| 44 Uint16 width, height; | |
| 45 } predefined_mode_t; | |
| 46 | |
| 47 static const predefined_mode_t mode_list[NUM_PREDEFINED_MODES]={ | |
| 48 {640,400}, | |
| 49 {640,480}, | |
| 50 {800,608}, | |
| 51 {1024,768}, | |
| 52 {1152,864}, | |
| 53 {1280,1024}, | |
| 54 {1600,1200} | |
| 55 }; | |
| 56 | |
| 57 static const Uint8 mode_bpp[4]={ | |
| 58 8, 15, 16, 32 | |
| 59 }; | |
| 60 | |
|
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61 /*--- Variables ---*/ |
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62 |
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63 static int enum_actually_add; |
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64 static SDL_VideoDevice *enum_this; |
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65 |
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66 /*--- Functions ---*/ |
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67 |
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68 static unsigned long /*cdecl*/ enumfunc(SCREENINFO *inf, unsigned long flag) |
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69 { |
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70 xbiosmode_t modeinfo; |
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71 |
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parents:
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72 modeinfo.number = inf->devID; |
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parents:
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73 modeinfo.width = inf->scrWidth; |
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parents:
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74 modeinfo.height = inf->scrHeight; |
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parents:
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75 modeinfo.depth = inf->scrPlanes; |
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Patrice Mandin <patmandin@gmail.com>
parents:
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76 modeinfo.flags = 0; |
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parents:
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77 |
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78 SDL_XBIOS_AddMode(enum_this, enum_actually_add, &modeinfo); |
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parents:
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79 |
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80 return ENUMMODE_CONT; |
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81 } |
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parents:
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82 |
| 4195 | 83 void SDL_XBIOS_ListMilanModes(_THIS, int actually_add) |
| 84 { | |
| 85 int i; | |
| 86 | |
| 87 /* Read validated predefined modes */ | |
| 88 for (i=0; i<NUM_PREDEFINED_MODES; i++) { | |
| 89 int j; | |
| 90 Uint16 deviceid = 0x1000 + (i<<4); | |
| 91 | |
| 92 for (j=1; j<4; j++) { | |
| 93 if (Validmode(deviceid + j)) { | |
| 94 xbiosmode_t modeinfo; | |
| 95 | |
| 96 modeinfo.number = deviceid + j; | |
| 97 modeinfo.width = mode_list[i].width; | |
| 98 modeinfo.height = mode_list[i].height; | |
| 99 modeinfo.depth = mode_bpp[j-1]; | |
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Define flags for double line and c2p operations. More Milan video work.
Patrice Mandin <patmandin@gmail.com>
parents:
4197
diff
changeset
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100 modeinfo.flags = 0; |
| 4195 | 101 |
| 102 SDL_XBIOS_AddMode(this, actually_add, &modeinfo); | |
| 103 } | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 /* Read custom created modes */ | |
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89c7562eae9b
Enumerates custom modes
Patrice Mandin <patmandin@gmail.com>
parents:
4195
diff
changeset
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108 enum_this = this; |
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89c7562eae9b
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Patrice Mandin <patmandin@gmail.com>
parents:
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diff
changeset
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109 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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110 VsetScreen(-1, &enumfunc, MI_MAGIC, CMD_ENUMMODES); |
| 4195 | 111 } |