xorg-server-1.4/hw/kdrive/mach64/mach64draw.h

   1 /*
   2  * Copyright © 1999 Keith Packard
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that
   7  * copyright notice and this permission notice appear in supporting
   8  * documentation, and that the name of Keith Packard not be used in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific, written prior permission.  Keith Packard makes no
  11  * representations about the suitability of this software for any purpose.  It
  12  * is provided "as is" without express or implied warranty.
  13  *
  14  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  16  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  20  * PERFORMANCE OF THIS SOFTWARE.
  21  */
  22
  23 #ifndef _TRIDENTDRAW_H_
  24 #define _TRIDENTDRAW_H_
  25
  26 #define SetupTrident(s) KdScreenPriv(s); \
  27                     tridentCardInfo(pScreenPriv); \
  28                     Cop     *cop = tridentc->cop
  29
  30 #define TridentAlpha    (COP_MULTI_ALPHA|COP_ALPHA_WRITE_ENABLE)
  31
  32 #define _tridentInit(cop,tridentc) { \
  33     if ((cop)->status == 0xffffffff) tridentSetMMIO(tridentc); \
  34     (cop)->multi = (tridentc)->cop_depth; \
  35     (cop)->multi = (tridentc)->cop_stride; \
  36     (cop)->multi = TridentAlpha; \
  37 } \
  38
  39 #define _tridentSetSolidRect(cop,pix,alu,cmd) {\
  40     cop->multi = COP_MULTI_PATTERN; \
  41     cop->multi = COP_MULTI_ROP | tridentRop[alu]; \
  42     cop->fg = (pix); \
  43     cmd = COP_OP_BLT | COP_SCL_OPAQUE | COP_OP_ROP | COP_OP_FG; \
  44 }
  45
  46 #define _tridentRect(cop,x1,y1,x2,y2,cmd) { \
  47     (cop)->dst_start_xy = TRI_XY (x1,y1); \
  48     (cop)->dst_end_xy = TRI_XY(x2,y2); \
  49     _tridentWaitDone(cop); \
  50     (cop)->command = (cmd); \
  51 }
  52
  53 #define COP_STATUS_BUSY (COP_STATUS_BE_BUSY | \
  54                          COP_STATUS_DPE_BUSY | \
  55                          COP_STATUS_MI_BUSY)
  56
  57 #define _tridentWaitDone(cop)   { \
  58     int __q__ = 500000; \
  59     while (__q__-- && (cop)->status & COP_STATUS_BUSY) \
  60         ; \
  61     if (!__q__) \
  62         (cop)->status = 0;  \
  63 }
  64
  65 #define _tridentWaitIdleEmpty(cop)      _tridentWaitDone(cop)
  66
  67 #define sourceInvarient(alu)    (((alu) & 3) == (((alu) >> 2) & 3))
  68
  69 #endif