3dfx_regs.h
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2004 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
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slouken@libsdl.org
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*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id$";
#endif
#ifndef _3DFX_REGS_H
#define _3DFX_REGS_H
/* This information comes from the public 3Dfx specs for the Voodoo 3000 */
/* mapped_io register offsets */
#define TDFX_STATUS 0x00
#define INTCTRL (0x00100000 + 0x04)
#define CLIP0MIN (0x00100000 + 0x08)
#define CLIP0MAX (0x00100000 + 0x0c)
#define DSTBASE (0x00100000 + 0x10)
#define DSTFORMAT (0x00100000 + 0x14)
#define SRCCOLORKEYMIN (0x00100000 + 0x18)
#define SRCCOLORKEYMAX (0x00100000 + 0x1c)
#define DSTCOLORKEYMIN (0x00100000 + 0x20)
#define DSTCOLORKEYMAX (0x00100000 + 0x24)
#define BRESERROR0 (0x00100000 + 0x28)
#define BRESERROR1 (0x00100000 + 0x2c)
#define ROP_2D (0x00100000 + 0x30)
#define SRCBASE (0x00100000 + 0x34)
#define COMMANDEXTRA_2D (0x00100000 + 0x38)
#define PATTERN0 (0x00100000 + 0x44)
#define PATTERN1 (0x00100000 + 0x48)
#define CLIP1MIN (0x00100000 + 0x4c)
#define CLIP1MAX (0x00100000 + 0x50)
#define SRCFORMAT (0x00100000 + 0x54)
#define SRCSIZE (0x00100000 + 0x58)
#define SRCXY (0x00100000 + 0x5c)
#define COLORBACK (0x00100000 + 0x60)
#define COLORFORE (0x00100000 + 0x64)
#define DSTSIZE (0x00100000 + 0x68)
#define DSTXY (0x00100000 + 0x6c)
#define COMMAND_2D (0x00100000 + 0x70)
#define LAUNCH_2D (0x00100000 + 0x80)
#define PATTERNBASE (0x00100000 + 0x100)
#define COMMAND_3D (0x00200000 + 0x120)
/* register bitfields (not all, only as needed) */
#define BIT(x) (1UL << (x))
#define COMMAND_2D_BITBLT 0x01
#define COMMAND_2D_FILLRECT 0x05
#define COMMAND_2D_LINE 0x06
#define COMMAND_2D_POLYGON_FILL 0x08
#define COMMAND_2D_INITIATE BIT(8)
#define COMMAND_2D_REVERSELINE BIT(9)
#define COMMAND_2D_STIPPLELINE BIT(12)
#define COMMAND_2D_MONOCHROME_PATT BIT(13)
#define COMMAND_2D_MONOCHROME_TRANSP BIT(16)
#define COMMAND_3D_NOP 0x00
#define STATUS_RETRACE BIT(6)
#define STATUS_BUSY BIT(9)
#endif /* _3DFX_REGS_H */