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/*
* Acceleration for the Creator and Creator3D framebuffer - fast inner loops.
*
* Copyright (C) 1999 David S. Miller (davem@redhat.com)
* Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JAKUB JELINEK OR DAVID MILLER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#ifndef FFBLOOPS_H
#define FFBLOOPS_H
#ifdef USE_VIS
extern void FFB_STIPPLE_LOAD(volatile unsigned int *d,
unsigned int *s);
extern void FFB_PPT_BOX_LOOP(FFBPtr ffbpriv,
ffb_fbcPtr ffb,
BoxPtr pbox, BoxPtr pbox_last,
DDXPointPtr ppt);
extern void FFB_BOX_LOOP(FFBPtr ffbpriv,
ffb_fbcPtr ffb,
BoxPtr pbox,
BoxPtr pbox_last);
extern void FFB_RECT_LOOP(FFBPtr ffbpriv,
ffb_fbcPtr ffb,
xRectangle *prect,
xRectangle *prect_last,
int xOrg, int yOrg);
extern void FFB_PPT_WIDTH_LOOP(FFBPtr ffbpriv,
ffb_fbcPtr ffb,
DDXPointPtr ppt, DDXPointPtr ppt_last,
int *pwidth);
extern DDXPointPtr FFB_PPT_LOOP1(FFBPtr ffbpriv,
ffb_fbcPtr ffb,
DDXPointPtr ppt, DDXPointPtr ppt_last,
int xOrg, int yOrg);
extern DDXPointPtr FFB_PPT_LOOP2(FFBPtr ffbpriv,
ffb_fbcPtr ffb,
DDXPointPtr ppt, DDXPointPtr ppt_last,
int x, int y);
extern DDXPointPtr FFB_LINE_LOOP1(FFBPtr ffbpriv,
ffb_fbcPtr ffb,
DDXPointPtr ppt, DDXPointPtr ppt_last,
int xOrg, int yOrg);
extern DDXPointPtr FFB_LINE_LOOP2(FFBPtr ffbpriv,
ffb_fbcPtr ffb,
DDXPointPtr ppt, DDXPointPtr ppt_last,
int *x, int *y);
#else /* !USE_VIS */
#define FFB_STIPPLE_LOAD(_d,_s) \
do { \
volatile unsigned int *d = (_d); \
unsigned int *s = (_s); \
int i; \
\
for (i = 0; i < (32 / 2); i++, d+=2, s+=2) \
FFB_WRITE64(d, s[0], s[1]); \
} while (0)
#define FFB_PPT_BOX_LOOP(pFfb, ffb, pbox, _pbox_last, ppt) \
do { \
BoxPtr pbox_last = (BoxPtr)(_pbox_last); \
while (pbox <= pbox_last) { \
FFBFifo(pFfb, 7); \
ffb->drawop = FFB_DRAWOP_VSCROLL; \
FFB_WRITE64(&ffb->by, ppt->y, ppt->x); \
FFB_WRITE64_2(&ffb->dy, pbox->y1, pbox->x1); \
FFB_WRITE64_3(&ffb->bh, (pbox->y2 - pbox->y1), (pbox->x2 - pbox->x1)); \
pbox++; ppt++; \
} \
} while (0)
#define FFB_BOX_LOOP(pFfb, ffb, pbox, _pbox_last) \
do { \
BoxPtr pbox_last = (BoxPtr)(_pbox_last); \
while (pbox <= pbox_last) { \
FFBFifo(pFfb, 4); \
FFB_WRITE64(&ffb->by, pbox->y1, pbox->x1); \
FFB_WRITE64_2(&ffb->bh, (pbox->y2 - pbox->y1), (pbox->x2 - pbox->x1)); \
pbox++; \
} \
} while (0)
#define FFB_RECT_LOOP(pFfb, ffb, prect, _prect_last, xOrg, yOrg) \
do { \
xRectangle *prect_last = (xRectangle *)(_prect_last); \
for (; prect <= prect_last; prect++) { \
register int x, y, w, h; \
x = prect->x + xOrg; \
y = prect->y + yOrg; \
w = prect->width; \
h = prect->height; \
if (extents->x2 <= x || \
extents->x1 >= x + w || \
extents->y2 <= y || \
extents->y1 >= y + h) \
continue; \
FFBFifo(pFfb, 4); \
FFB_WRITE64(&ffb->by, y, x); \
FFB_WRITE64_2(&ffb->bh, h, w); \
} \
} while (0)
#define FFB_PPT_WIDTH_LOOP(pFfb, ffb, ppt, _ppt_last, pwidth) \
do { \
DDXPointPtr ppt_last = (DDXPointPtr)(_ppt_last); \
while (ppt <= ppt_last) { \
register int x, y, w; \
x = ppt->x; \
y = ppt->y; \
w = *pwidth++; \
FFBFifo(pFfb, 5); \
ffb->ppc = 0; \
FFB_WRITE64(&ffb->by, y, x); \
FFB_WRITE64_2(&ffb->bh, y, (x + w)); \
ppt++; \
} \
} while (0)
static __inline__ DDXPointPtr FFB_PPT_LOOP1(FFBPtr pFfb,
ffb_fbcPtr ffb,
DDXPointPtr ppt, DDXPointPtr ppt_last,
int xOrg, int yOrg)
{
while (ppt <= ppt_last) {
FFBFifo(pFfb, 2);
FFB_WRITE64_2(&ffb->bh, (ppt->y + yOrg), (ppt->x + xOrg));
ppt++;
}
return ppt;
}
static __inline__ DDXPointPtr FFB_PPT_LOOP2(FFBPtr pFfb,
ffb_fbcPtr ffb,
DDXPointPtr ppt, DDXPointPtr ppt_last,
int x, int y)
{
register int __x = x, __y = y;
while (ppt <= ppt_last) {
FFBFifo(pFfb, 2);
__x += ppt->x;
__y += ppt->y;
FFB_WRITE64_2(&ffb->bh, __y, __x);
ppt++;
}
return ppt;
}
static __inline__ DDXPointPtr FFB_LINE_LOOP1(FFBPtr pFfb,
ffb_fbcPtr ffb,
DDXPointPtr ppt, DDXPointPtr ppt_last,
int xOrg, int yOrg)
{
while (ppt <= ppt_last) {
FFBFifo(pFfb, 3);
ffb->ppc = 0;
FFB_WRITE64_2(&ffb->bh, (ppt->y + yOrg), (ppt->x + xOrg));
ppt++;
}
return ppt;
}
static __inline__ DDXPointPtr FFB_LINE_LOOP2(FFBPtr pFfb,
ffb_fbcPtr ffb,
DDXPointPtr ppt, DDXPointPtr ppt_last,
int *x, int *y)
{
register int __x = *x, __y = *y;
while (ppt <= ppt_last) {
FFBFifo(pFfb, 3);
ffb->ppc = 0;
__x += ppt->x;
__y += ppt->y;
FFB_WRITE64_2(&ffb->bh, __y, __x);
ppt++;
}
*x = __x;
*y = __y;
return ppt;
}
#endif /* !USE_VIS */
#endif /* FFBLOOPS_H */
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