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/*
* Acceleration for the Creator and Creator3D framebuffer - Fill spans.
*
* Copyright (C) 1998,1999 Jakub Jelinek (jakub@redhat.com)
* Copyright (C) 1999 David S. Miller (davem@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.
*/
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sunffb/ffb_fspans.c,v 1.1 2000/05/18 23:21:36 dawes Exp $ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ffb.h"
#include "ffb_regs.h"
#include "ffb_rcache.h"
#include "ffb_fifo.h"
#include "ffb_stip.h"
#include "ffb_loops.h"
#include "pixmapstr.h"
#include "scrnintstr.h"
#include "mi.h"
#include "mispans.h"
#define PSZ 8
#include "cfb.h"
#undef PSZ
#include "cfb32.h"
void
CreatorFillSpans (DrawablePtr pDrawable, GCPtr pGC,
int n, DDXPointPtr ppt,
int *pwidth, int fSorted)
{
WindowPtr pWin = (WindowPtr) pDrawable;
CreatorPrivGCPtr gcPriv = CreatorGetGCPrivate (pGC);
FFBPtr pFfb = GET_FFB_FROM_SCREEN (pGC->pScreen);
ffb_fbcPtr ffb = pFfb->regs;
int *pwidthFree;
DDXPointPtr pptFree;
RegionPtr clip = cfbGetCompositeClip(pGC);
int nTmp = n * miFindMaxBand(clip);
FFBLOG(("CreatorFillSpans: n(%d) fsorted(%d)\n", n, fSorted));
pwidthFree = (int *)ALLOCATE_LOCAL(nTmp * sizeof(int));
pptFree = (DDXPointRec *)ALLOCATE_LOCAL(nTmp * sizeof(DDXPointRec));
if (!pptFree || !pwidthFree) {
if (pptFree) DEALLOCATE_LOCAL(pptFree);
if (pwidthFree) DEALLOCATE_LOCAL(pwidthFree);
return;
}
n = miClipSpans(clip,
ppt, pwidth, n,
pptFree, pwidthFree, fSorted);
pwidth = pwidthFree;
ppt = pptFree;
if(gcPriv->stipple == NULL) {
FFB_ATTR_GC(pFfb, pGC, pWin,
FFB_PPC_APE_DISABLE | FFB_PPC_CS_CONST,
FFB_DRAWOP_BRLINEOPEN);
} else {
unsigned int fbc;
FFBSetStipple(pFfb, ffb, gcPriv->stipple,
FFB_PPC_CS_CONST, FFB_PPC_CS_MASK);
FFB_WRITE_PMASK(pFfb, ffb, pGC->planemask);
FFB_WRITE_DRAWOP(pFfb, ffb, FFB_DRAWOP_BRLINEOPEN);
fbc = FFB_FBC_WIN(pWin);
fbc = (fbc & ~FFB_FBC_XE_MASK) | FFB_FBC_XE_OFF;
FFB_WRITE_FBC(pFfb, ffb, fbc);
}
FFBFifo(pFfb, 1);
ffb->lpat = 0;
if (pFfb->has_brline_bug) {
while(n--) {
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++;
}
} else {
while(n--) {
register int x, y, w;
x = ppt->x;
y = ppt->y;
w = *pwidth++;
FFBFifo(pFfb, 4);
FFB_WRITE64(&ffb->by, y, x);
FFB_WRITE64_2(&ffb->bh, y, (x + w));
ppt++;
}
}
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
pFfb->rp_active = 1;
FFBSync(pFfb, ffb);
}
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