e14743d1 |
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 | #ifndef _SDL_xbios_milan_h |
31 | #define _SDL_xbios_milan_h |
32 | |
33 | #include "SDL_xbios.h" |
34 | |
35 | /*--- Defines ---*/ |
36 | |
37 | /* Cookies */ |
38 | #ifndef C__MIL |
39 | #define C__MIL 0x5F4D494CL |
40 | #endif |
41 | |
42 | #ifndef C__VDI |
43 | #define C__VDI 0x5F564449L |
44 | #endif |
45 | |
46 | /* Vsetscreen() parameters */ |
47 | #define MI_MAGIC 0x4D49 |
48 | |
49 | enum { |
50 | CMD_GETMODE=0, |
51 | CMD_SETMODE, |
52 | CMD_GETINFO, |
53 | CMD_ALLOCPAGE, |
54 | CMD_FREEPAGE, |
55 | CMD_FLIPPAGE, |
56 | CMD_ALLOCMEM, |
57 | CMD_FREEMEM, |
58 | CMD_SETADR, |
59 | CMD_ENUMMODES |
60 | }; |
61 | |
62 | enum { |
63 | ENUMMODE_EXIT=0, |
64 | ENUMMODE_CONT |
65 | }; |
66 | |
67 | enum { |
68 | BLK_ERR=0, |
69 | BLK_OK, |
70 | BLK_CLEARED |
71 | }; |
72 | |
73 | /* scrFlags */ |
74 | #define SCRINFO_OK 1 |
75 | |
76 | /* scrClut */ |
77 | #define NO_CLUT 0 |
78 | #define HARD_CLUT 1 |
79 | #define SOFT_CLUT 2 |
80 | |
81 | /* scrFormat */ |
82 | #define INTERLEAVE_PLANES 0 |
83 | #define STANDARD_PLANES 1 |
84 | #define PACKEDPIX_PLANES 2 |
85 | |
86 | /* bitFlags */ |
87 | #define STANDARD_BITS 1 |
88 | #define FALCON_BITS 2 |
89 | #define INTEL_BITS 8 |
90 | |
91 | /*--- Structures ---*/ |
92 | |
93 | typedef struct _scrblk { |
94 | unsigned long size; /* size of strukture */ |
95 | unsigned long blk_status; /* status bits of blk */ |
96 | unsigned long blk_start; /* Start Adress */ |
97 | unsigned long blk_len; /* length of memblk */ |
98 | unsigned long blk_x; /* x pos in total screen*/ |
99 | unsigned long blk_y; /* y pos in total screen */ |
100 | unsigned long blk_w; /* width */ |
101 | unsigned long blk_h; /* height */ |
102 | unsigned long blk_wrap; /* width in bytes */ |
103 | } __attribute__((packed)) SCRMEMBLK; |
104 | |
105 | typedef struct screeninfo { |
106 | unsigned long size; /* Size of structure */ |
107 | unsigned long devID; /* device id number */ |
108 | unsigned char name[64]; /* Friendly name of Screen */ |
109 | unsigned long scrFlags; /* some Flags */ |
110 | unsigned long frameadr; /* Adress of framebuffer */ |
111 | unsigned long scrHeight; /* visible X res */ |
112 | unsigned long scrWidth; /* visible Y res */ |
113 | unsigned long virtHeight; /* virtual X res */ |
114 | unsigned long virtWidth; /* virtual Y res */ |
115 | unsigned long scrPlanes; /* color Planes */ |
116 | unsigned long scrColors; /* # of colors */ |
117 | unsigned long lineWrap; /* # of Bytes to next line */ |
118 | unsigned long planeWarp; /* # of Bytes to next plane */ |
119 | unsigned long scrFormat; /* screen Format */ |
120 | unsigned long scrClut; /* type of clut */ |
121 | unsigned long redBits; /* Mask of Red Bits */ |
122 | unsigned long greenBits; /* Mask of Green Bits */ |
123 | unsigned long blueBits; /* Mask of Blue Bits */ |
124 | unsigned long alphaBits; /* Mask of Alpha Bits */ |
125 | unsigned long genlockBits;/* Mask of Genlock Bits */ |
126 | unsigned long unusedBits; /* Mask of unused Bits */ |
127 | unsigned long bitFlags; /* Bits organisation flags */ |
128 | unsigned long maxmem; /* max. memory in this mode */ |
129 | unsigned long pagemem; /* needed memory for one page */ |
130 | unsigned long max_x; /* max. possible width */ |
131 | unsigned long max_y; /* max. possible heigth */ |
132 | } __attribute__((packed)) SCREENINFO; |
133 | |
134 | /*--- Functions prototypes ---*/ |
135 | |
136 | void SDL_XBIOS_ListMilanModes(_THIS, int actually_add); |
137 | |
138 | #endif /* _SDL_xbios_milan_h */ |