linux-core/ffb_drv.h


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/* $Id$
 * ffb_drv.h: Creator/Creator3D direct rendering driver.
 *
 * Copyright (C) 2000 David S. Miller (davem@redhat.com)
 */

/* Auxilliary clips. */
typedef struct  {
	volatile unsigned int min;
	volatile unsigned int max;
} ffb_auxclip, *ffb_auxclipPtr;

/* FFB register set. */
typedef struct _ffb_fbc {
	/* Next vertex registers, on the right we list which drawops
	 * use said register and the logical name the register has in
	 * that context.
	 */					/* DESCRIPTION		DRAWOP(NAME)	*/
/*0x00*/unsigned int		pad1[3];	/* Reserved				*/
/*0x0c*/volatile unsigned int	alpha;		/* ALPHA Transparency			*/
/*0x10*/volatile unsigned int	red;		/* RED					*/
/*0x14*/volatile unsigned int	green;		/* GREEN				*/
/*0x18*/volatile unsigned int	blue;		/* BLUE					*/
/*0x1c*/volatile unsigned int	z;		/* DEPTH				*/
/*0x20*/volatile unsigned int	y;		/* Y			triangle(DOYF)	*/
						/*                      aadot(DYF)	*/
						/*                      ddline(DYF)	*/
						/*                      aaline(DYF)	*/
/*0x24*/volatile unsigned int	x;		/* X			triangle(DOXF)	*/
						/*                      aadot(DXF)	*/
						/*                      ddline(DXF)	*/
						/*                      aaline(DXF)	*/
/*0x28*/unsigned int		pad2[2];	/* Reserved				*/
/*0x30*/volatile unsigned int	ryf;		/* Y (alias to DOYF)	ddline(RYF)	*/
						/*			aaline(RYF)	*/
						/*			triangle(RYF)	*/
/*0x34*/volatile unsigned int	rxf;		/* X			ddline(RXF)	*/
						/*			aaline(RXF)	*/
						/*			triangle(RXF)	*/
/*0x38*/unsigned int		pad3[2];	/* Reserved				*/
/*0x40*/volatile unsigned int	dmyf;		/* Y (alias to DOYF)	triangle(DMYF)	*/
/*0x44*/volatile unsigned int	dmxf;		/* X			triangle(DMXF)	*/
/*0x48*/unsigned int		pad4[2];	/* Reserved				*/
/*0x50*/volatile unsigned int	ebyi;		/* Y (alias to RYI)	polygon(EBYI)	*/
/*0x54*/volatile unsigned int	ebxi;		/* X			polygon(EBXI)	*/
/*0x58*/unsigned int		pad5[2];	/* Reserved				*/
/*0x60*/volatile unsigned int	by;		/* Y			brline(RYI)	*/
						/*			fastfill(OP)	*/
						/*			polygon(YI)	*/
						/*			rectangle(YI)	*/
						/*			bcopy(SRCY)	*/
						/*			vscroll(SRCY)	*/
/*0x64*/volatile unsigned int	bx;		/* X			brline(RXI)	*/
						/*			polygon(XI)	*/
						/*			rectangle(XI)	*/
						/*			bcopy(SRCX)	*/
						/*			vscroll(SRCX)	*/
						/*			fastfill(GO)	*/