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IABSD.fr/xenocara/driver/xf86-video-sunffb/src/ffb_loops.h
matthieu
- driver/xf86-video-sunffb/src/ffb_loops.h
-
/* * 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 */