Mercurial > sdl-ios-xcode

comparison src/video/xbios/SDL_xbiosmodes.c @ 2072:4b3f98a9a2c1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
xbios: preliminary video mode init
author Patrice Mandin <patmandin@gmail.com>
date Mon, 13 Nov 2006 19:59:28 +0000
parents
children 790726541708
comparison
equal deleted inserted replaced
2071:579abbb51f80 2072:4b3f98a9a2c1
1 /*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2006 Sam Lantinga
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 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 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21 */
22
23 #include <mint/osbind.h>
24 #include <mint/falcon.h>
25
26 #include "SDL_config.h"
27 #include "SDL_xbios.h"
28 #include "SDL_xbiosmodes.h"
29
30
31 typedef struct {
32 int width,height,bpp;
33 int modecode;
34 int doubleline;
35 } xbios_mode_t;
36
37 static xbios_mode_t falcon_rgb_modes[]={
38 {768, 480, 16, BPS16 | COL80 | OVERSCAN | VERTFLAG},
39 {768, 240, 16, BPS16 | COL80 | OVERSCAN},
40 {640, 400, 16, BPS16 | COL80 | VERTFLAG},
41 {640, 200, 16, BPS16 | COL80},
42 {384, 480, 16, BPS16 | OVERSCAN | VERTFLAG},
43 {384, 240, 16, BPS16 | OVERSCAN},
44 {320, 400, 16, BPS16 | VERTFLAG},
45 {320, 200, 16, BPS16},
46 {768, 480, 8, BPS8 | COL80 | OVERSCAN | VERTFLAG},
47 {768, 240, 8, BPS8 | COL80 | OVERSCAN},
48 {640, 400, 8, BPS8 | COL80 | VERTFLAG},
49 {640, 200, 8, BPS8 | COL80},
50 {384, 480, 8, BPS8 | OVERSCAN | VERTFLAG},
51 {384, 240, 8, BPS8 | OVERSCAN},
52 {320, 400, 8, BPS8 | VERTFLAG},
53 {320, 200, 8, BPS8}
54 };
55
56 static xbios_mode_t falcon_vga_modes[]={
57 {320, 480, 16, BPS16 },
58 {320, 240, 16, BPS16 | VERTFLAG},
59 {640, 480, 8, BPS8 | COL80},
60 {640, 240, 8, BPS8 | COL80 | VERTFLAG},
61 {320, 480, 8, BPS8 },
62 {320, 240, 8, BPS8 | VERTFLAG}
63 };
64
65 static void
66 SDL_XBIOS_AddMode(_THIS, int width, int height, int bpp, Uint16 modecode,
67 SDL_bool doubleline)
68 {
69 SDL_VideoDisplay display;
70 SDL_DisplayData *displaydata;
71 SDL_DisplayMode mode;
72 Uint32 Rmask, Gmask, Bmask, Amask;
73 int orig_bpp;
74
75 Rmask = Gmask = Bmask = Amask = 0;
76 if (bpp == 16) {
77 Rmask = 31<<11;
78 Gmask = 63<<5;
79 Bmask = 31;
80 }
81 /* Memorize for c2p4 operation */
82 orig_bpp = bpp;
83 if (bpp == 4) {
84 bpp = 8;
85 }
86
87 mode.format = SDL_MasksToPixelFormatEnum(bpp, Rmask, Gmask, Bmask, Amask);
88 mode.w = width;
89 mode.h = height;
90 mode.refresh_rate = 0;
91 mode.driverdata = NULL;
92
93 displaydata = (SDL_DisplayData *) SDL_malloc(sizeof(*displaydata));
94 if (!displaydata) {
95 return;
96 }
97 displaydata->modecode = modecode;
98 displaydata->doubleline = doubleline;
99 displaydata->c2p4 = (orig_bpp == 4);
100
101 SDL_zero(display);
102 display.desktop_mode = mode;
103 display.current_mode = mode;
104 display.driverdata = displaydata;
105 SDL_AddVideoDisplay(&display);
106 }
107
108 void
109 SDL_XBIOS_InitModes(_THIS)
110 {
111 SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
112
113 switch (data->cookie_vdo >> 16) {
114 case VDO_ST:
115 case VDO_STE:
116 {
117 SDL_XBIOS_AddMode(_this, 320, 200, 4, ST_LOW >> 8, SDL_FALSE);
118 }
119 break;
120 case VDO_TT:
121 {
122 SDL_XBIOS_AddMode(_this, 320, 480, 8, TT_LOW, SDL_FALSE);
123 /* Software double-lined mode */
124 SDL_XBIOS_AddMode(_this, 320, 240, 8, TT_LOW, SDL_TRUE);
125 }
126 break;
127 case VDO_F30:
128 {
129 Uint16 modecodemask = VsetMode(-1) & (VGA | PAL);
130 int i;
131
132 switch (VgetMonitor()) {
133 case MONITOR_MONO:
134 /* Not usable */
135 break;
136 case MONITOR_RGB:
137 case MONITOR_TV:
138 for (i=0; i<sizeof(falcon_rgb_modes)/sizeof(xbios_mode_t); i++) {
139 SDL_XBIOS_AddMode(_this, falcon_rgb_modes[i].width,
140 falcon_rgb_modes[i].height, falcon_rgb_modes[i].bpp,
141 falcon_rgb_modes[i].modecode & modecodemask, SDL_FALSE);
142 }
143 break;
144 case MONITOR_VGA:
145 for (i=0; i<sizeof(falcon_vga_modes)/sizeof(xbios_mode_t); i++) {
146 SDL_XBIOS_AddMode(_this, falcon_vga_modes[i].width,
147 falcon_vga_modes[i].height, falcon_vga_modes[i].bpp,
148 falcon_vga_modes[i].modecode & modecodemask, SDL_FALSE);
149 }
150 break;
151 }
152 }
153 break;
154 }
155 }
156
157 void
158 SDL_XBIOS_GetDisplayModes(_THIS)
159 {
160 SDL_DisplayData *data = (SDL_DisplayData *) SDL_CurrentDisplay.driverdata;
161 SDL_DisplayMode mode;
162 //SDL_AddDisplayMode(_this->current_display, &mode);
163 }
164
165 int
166 SDL_XBIOS_SetDisplayMode(_THIS, SDL_DisplayMode * mode)
167 {
168 //SDL_DisplayModeData *data = (SDL_DisplayModeData *) mode->driverdata;
169 return -1;
170 }
171
172 void
173 SDL_XBIOS_QuitModes(_THIS)
174 {
175 }
176
177 /* vi: set ts=4 sw=4 expandtab: */