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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #ifndef _3DFX_REGS_H
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29 #define _3DFX_REGS_H
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30
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31 /* This information comes from the public 3Dfx specs for the Voodoo 3000 */
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32
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33 /* mapped_io register offsets */
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34 #define TDFX_STATUS 0x00
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35
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36 #define INTCTRL (0x00100000 + 0x04)
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37 #define CLIP0MIN (0x00100000 + 0x08)
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38 #define CLIP0MAX (0x00100000 + 0x0c)
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39 #define DSTBASE (0x00100000 + 0x10)
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40 #define DSTFORMAT (0x00100000 + 0x14)
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41 #define SRCCOLORKEYMIN (0x00100000 + 0x18)
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42 #define SRCCOLORKEYMAX (0x00100000 + 0x1c)
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43 #define DSTCOLORKEYMIN (0x00100000 + 0x20)
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44 #define DSTCOLORKEYMAX (0x00100000 + 0x24)
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45 #define BRESERROR0 (0x00100000 + 0x28)
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46 #define BRESERROR1 (0x00100000 + 0x2c)
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47 #define ROP_2D (0x00100000 + 0x30)
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48 #define SRCBASE (0x00100000 + 0x34)
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49 #define COMMANDEXTRA_2D (0x00100000 + 0x38)
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50 #define PATTERN0 (0x00100000 + 0x44)
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51 #define PATTERN1 (0x00100000 + 0x48)
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52 #define CLIP1MIN (0x00100000 + 0x4c)
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53 #define CLIP1MAX (0x00100000 + 0x50)
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54 #define SRCFORMAT (0x00100000 + 0x54)
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55 #define SRCSIZE (0x00100000 + 0x58)
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56 #define SRCXY (0x00100000 + 0x5c)
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57 #define COLORBACK (0x00100000 + 0x60)
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58 #define COLORFORE (0x00100000 + 0x64)
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59 #define DSTSIZE (0x00100000 + 0x68)
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60 #define DSTXY (0x00100000 + 0x6c)
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61 #define COMMAND_2D (0x00100000 + 0x70)
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62 #define LAUNCH_2D (0x00100000 + 0x80)
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63 #define PATTERNBASE (0x00100000 + 0x100)
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64
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65 #define COMMAND_3D (0x00200000 + 0x120)
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66
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67 /* register bitfields (not all, only as needed) */
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68
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69 #define BIT(x) (1UL << (x))
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70
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71 #define COMMAND_2D_BITBLT 0x01
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72 #define COMMAND_2D_FILLRECT 0x05
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73 #define COMMAND_2D_LINE 0x06
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74 #define COMMAND_2D_POLYGON_FILL 0x08
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75 #define COMMAND_2D_INITIATE BIT(8)
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76 #define COMMAND_2D_REVERSELINE BIT(9)
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77 #define COMMAND_2D_STIPPLELINE BIT(12)
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78 #define COMMAND_2D_MONOCHROME_PATT BIT(13)
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79 #define COMMAND_2D_MONOCHROME_TRANSP BIT(16)
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80
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81 #define COMMAND_3D_NOP 0x00
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82
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83 #define STATUS_RETRACE BIT(6)
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84 #define STATUS_BUSY BIT(9)
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85
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86 #endif /* _3DFX_REGS_H */
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87
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