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/*
* 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.
*/
#ifndef _TRIDENTDRAW_H_
#define _TRIDENTDRAW_H_
#define SetupTrident(s) KdScreenPriv(s); \
tridentCardInfo(pScreenPriv); \
Cop *cop = tridentc->cop
#define TridentAlpha (COP_MULTI_ALPHA|COP_ALPHA_WRITE_ENABLE)
#define _tridentInit(cop,tridentc) { \
if ((cop)->status == 0xffffffff) tridentSetMMIO(tridentc); \
(cop)->multi = (tridentc)->cop_depth; \
(cop)->multi = (tridentc)->cop_stride; \
(cop)->multi = TridentAlpha; \
} \
#define _tridentSetSolidRect(cop,pix,alu,cmd) {\
cop->multi = COP_MULTI_PATTERN; \
cop->multi = COP_MULTI_ROP | tridentRop[alu]; \
cop->fg = (pix); \
cmd = COP_OP_BLT | COP_SCL_OPAQUE | COP_OP_ROP | COP_OP_FG; \
}
#define _tridentRect(cop,x1,y1,x2,y2,cmd) { \
(cop)->dst_start_xy = TRI_XY (x1,y1); \
(cop)->dst_end_xy = TRI_XY(x2,y2); \
_tridentWaitDone(cop); \
(cop)->command = (cmd); \
}
#define COP_STATUS_BUSY (COP_STATUS_BE_BUSY | \
COP_STATUS_DPE_BUSY | \
COP_STATUS_MI_BUSY)
#define _tridentWaitDone(cop) { \
int __q__ = 500000; \
while (__q__-- && (cop)->status & COP_STATUS_BUSY) \
; \
if (!__q__) \
(cop)->status = 0; \
}
#define _tridentWaitIdleEmpty(cop) _tridentWaitDone(cop)
#define sourceInvarient(alu) (((alu) & 3) == (((alu) >> 2) & 3))
#endif
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