1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 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 /* Vsetscreen() parameters */ 38 #define MI_MAGIC 0x4D49 39 40 enum { 41 CMD_GETMODE=0, 42 CMD_SETMODE, 43 CMD_GETINFO, 44 CMD_ALLOCPAGE, 45 CMD_FREEPAGE, 46 CMD_FLIPPAGE, 47 CMD_ALLOCMEM, 48 CMD_FREEMEM, 49 CMD_SETADR, 50 CMD_ENUMMODES 51 }; 52 53 enum { 54 ENUMMODE_EXIT=0, 55 ENUMMODE_CONT 56 }; 57 58 enum { 59 BLK_ERR=0, 60 BLK_OK, 61 BLK_CLEARED 62 }; 63 64 /* scrFlags */ 65 #define SCRINFO_OK 1 66 67 /* scrClut */ 68 #define NO_CLUT 0 69 #define HARD_CLUT 1 70 #define SOFT_CLUT 2 71 72 /* scrFormat */ 73 #define INTERLEAVE_PLANES 0 74 #define STANDARD_PLANES 1 75 #define PACKEDPIX_PLANES 2 76 77 /* bitFlags */ 78 #define STANDARD_BITS 1 79 #define FALCON_BITS 2 80 #define INTEL_BITS 8 81 82 /*--- Structures ---*/ 83 84 typedef struct _scrblk { 85 unsigned long size; /* size of strukture */ 86 unsigned long blk_status; /* status bits of blk */ 87 unsigned long blk_start; /* Start Adress */ 88 unsigned long blk_len; /* length of memblk */ 89 unsigned long blk_x; /* x pos in total screen*/ 90 unsigned long blk_y; /* y pos in total screen */ 91 unsigned long blk_w; /* width */ 92 unsigned long blk_h; /* height */ 93 unsigned long blk_wrap; /* width in bytes */ 94 } SCRMEMBLK; 95 96 typedef struct screeninfo { 97 unsigned long size; /* Size of structure */ 98 unsigned long devID; /* device id number */ 99 unsigned char name[64]; /* Friendly name of Screen */ 100 unsigned long scrFlags; /* some Flags */ 101 unsigned long frameadr; /* Adress of framebuffer */ 102 unsigned long scrHeight; /* visible X res */ 103 unsigned long scrWidth; /* visible Y res */ 104 unsigned long virtHeight; /* virtual X res */ 105 unsigned long virtWidth; /* virtual Y res */ 106 unsigned long scrPlanes; /* color Planes */ 107 unsigned long scrColors; /* # of colors */ 108 unsigned long lineWrap; /* # of Bytes to next line */ 109 unsigned long planeWarp; /* # of Bytes to next plane */ 110 unsigned long scrFormat; /* screen Format */ 111 unsigned long scrClut; /* type of clut */ 112 unsigned long redBits; /* Mask of Red Bits */ 113 unsigned long greenBits; /* Mask of Green Bits */ 114 unsigned long blueBits; /* Mask of Blue Bits */ 115 unsigned long alphaBits; /* Mask of Alpha Bits */ 116 unsigned long genlockBits;/* Mask of Genlock Bits */ 117 unsigned long unusedBits; /* Mask of unused Bits */ 118 unsigned long bitFlags; /* Bits organisation flags */ 119 unsigned long maxmem; /* max. memory in this mode */ 120 unsigned long pagemem; /* needed memory for one page */ 121 unsigned long max_x; /* max. possible width */ 122 unsigned long max_y; /* max. possible heigth */ 123 } SCREENINFO; 124 125 /*--- Functions prototypes ---*/ 126 127 void SDL_XBIOS_ListMilanModes(_THIS, int actually_add); 128 129 #endif /* _SDL_xbios_milan_h */ 130