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/*
* Id: sisdraw.h,v 1.1 1999/11/02 08:17:24 keithp Exp $
*
* Copyright © 1999 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $RCSId: xc/programs/Xserver/hw/kdrive/sis530/sisdraw.h,v 1.1 1999/11/19 13:53:59 hohndel Exp $ */
#ifndef _SISDRAW_H_
#define _SISDRAW_H_
#define SetupSis(s) KdScreenPriv(s); \
sisCardInfo(pScreenPriv); \
SisPtr sis = sisc->sis
#define SIS_CMD_BITBLT (0)
#define SIS_CMD_COLOR_EXPAND (1)
#define SIS_CMD_ENH_COLOR_EXPAND (2)
#define SIS_CMD_MULTI_SCANLINE (3)
#define SIS_CMD_LINE (4)
#define SIS_CMD_TRAPEZOID (5)
#define SIS_CMD_TRANSPARENT_BITBLT (6)
#define SIS_CMD_SRC_SCREEN (0 << 4)
#define SIS_CMD_SRC_CPU (1 << 4)
#define SIS_CMD_PAT_FG (0 << 6)
#define SIS_CMD_PAT_PATTERN (1 << 6)
#define SIS_CMD_PAT_MONO (2 << 6)
/* 8->15 rop */
#define SIS_CMD_DEC_X (0 << 16)
#define SIS_CMD_INC_X (1 << 16)
#define SIS_CMD_DEC_Y (0 << 17)
#define SIS_CMD_INC_Y (1 << 17)
#define SIS_CMD_RECT_CLIP_DISABLE (0 << 18)
#define SIS_CMD_RECT_CLIP_ENABLE (1 << 18)
#define SIS_CMD_OPAQUE (0 << 20)
#define SIS_CMD_TRANSPARENT (1 << 20)
#define SIS_CMD_RECT_CLIP_MERGE (0 << 26)
#define SIS_CMD_RECT_CLIP_DONT_MERGE (1 << 26)
#define SIS_STAT_2D_IDLE (1 << 31)
#define SIS_STAT_3D_IDLE (1 << 30)
#define SIS_STAT_EMPTY (1 << 29)
#define SIS_STAT_CPU_BITBLT (0xf << 24)
#define SIS_STAT_ENH_COLOR_EXPAND (1 << 23)
#define SIS_STAT_AVAIL (0x1fff)
extern CARD8 sisPatRop[16];
extern CARD8 sisBltRop[16];
#define _sisSetSolidRect(sis,pix,alu,cmd) {\
(sis)->u.general.pattern_fg = (pix); \
(cmd) = (SIS_CMD_BITBLT | \
SIS_CMD_SRC_SCREEN | \
SIS_CMD_PAT_FG | \
(sisPatRop[alu] << 8) | \
SIS_CMD_INC_X | \
SIS_CMD_INC_Y | \
SIS_CMD_RECT_CLIP_DISABLE | \
SIS_CMD_OPAQUE | \
SIS_CMD_RECT_CLIP_DONT_MERGE); \
}
#define _sisClip(sis,x1,y1,x2,y2) { \
(sis)->u.general.clip_left = (x1); \
(sis)->u.general.clip_top = (y1); \
(sis)->u.general.clip_right = (x2); \
(sis)->u.general.clip_bottom = (y2); \
}
#define _sisRect(sis,x,y,w,h,cmd) { \
(sis)->u.general.dst_x = (x); \
(sis)->u.general.dst_y = (y); \
(sis)->u.general.rect_width = (w); \
(sis)->u.general.rect_height = (h); \
(sis)->u.general.command = (cmd); \
}
#define _sisSetTransparentPlaneBlt(sis, alu, fg, cmd) { \
(sis)->u.general.src_fg = (fg); \
(cmd) = (SIS_CMD_ENH_COLOR_EXPAND | \
SIS_CMD_SRC_CPU | \
SIS_CMD_PAT_FG | \
(sisBltRop[alu] << 8) | \
SIS_CMD_INC_X | \
SIS_CMD_INC_Y | \
SIS_CMD_RECT_CLIP_DISABLE | \
SIS_CMD_TRANSPARENT | \
SIS_CMD_RECT_CLIP_DONT_MERGE); \
}
#define _sisSetOpaquePlaneBlt(sis, alu, fg, bg, cmd) { \
(sis)->u.general.src_fg = (fg); \
(sis)->u.general.src_bg = (bg); \
(cmd) = (SIS_CMD_ENH_COLOR_EXPAND | \
SIS_CMD_SRC_CPU | \
SIS_CMD_PAT_FG | \
(sisBltRop[alu] << 8) | \
SIS_CMD_INC_X | \
SIS_CMD_INC_Y | \
SIS_CMD_RECT_CLIP_DISABLE | \
SIS_CMD_OPAQUE | \
SIS_CMD_RECT_CLIP_DONT_MERGE); \
}
#define _sisPlaneBlt(sis,x,y,w,h,cmd) _sisSolidRect(sis,x,y,w,h,cmd)
#define _sisSetBlt(sis,alu,cmd) { \
(sis)->u.general.src_base = (sis)->u.general.dst_base; \
(sis)->u.general.src_pitch = (sis)->u.general.dst_pitch; \
(cmd) = (SIS_CMD_RECT_CLIP_DONT_MERGE |\
(sisBltRop[alu] << 8) |\
SIS_CMD_PAT_FG |\
SIS_CMD_SRC_SCREEN |\
SIS_CMD_BITBLT); \
}
#define _sisBlt(sis,sx,sy,dx,dy,w,h,cmd) { \
(sis)->u.general.src_x = (sx); \
(sis)->u.general.src_y = (sy); \
(sis)->u.general.dst_x = (dx); \
(sis)->u.general.dst_y = (dy); \
(sis)->u.general.rect_width = (w); \
(sis)->u.general.rect_height = (h); \
(sis)->u.general.command = (cmd); \
}
#define SIS_IE (SIS_STAT_2D_IDLE|SIS_STAT_EMPTY)
#define _sisWaitIdleEmpty(sis) \
while (((sis)->u.general.status & SIS_IE) != SIS_IE)
/*
* Ok, so the Sis530 is broken -- it expects bitmaps to come MSB bit order,
* but it's willing to take them in LSB byte order. These macros
* flip bits around without flipping bytes. Instead of using a table
* and burning memory bandwidth, do them in place with the CPU.
*/
/* The MIPS compiler automatically places these constants in registers */
#define SisInvertBits32(v) { \
v = ((v & 0x55555555) << 1) | ((v >> 1) & 0x55555555); \
v = ((v & 0x33333333) << 2) | ((v >> 2) & 0x33333333); \
v = ((v & 0x0f0f0f0f) << 4) | ((v >> 4) & 0x0f0f0f0f); \
}
#define SisInvertBits16(v) { \
v = ((v & 0x5555) << 1) | ((v >> 1) & 0x5555); \
v = ((v & 0x3333) << 2) | ((v >> 2) & 0x3333); \
v = ((v & 0x0f0f) << 4) | ((v >> 4) & 0x0f0f); \
}
#define SisInvertBits8(v) { \
v = ((v & 0x55) << 1) | ((v >> 1) & 0x55); \
v = ((v & 0x33) << 2) | ((v >> 2) & 0x33); \
v = ((v & 0x0f) << 4) | ((v >> 4) & 0x0f); \
}
#endif
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