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/*
* Acceleration for the Leo (ZX) framebuffer - Fill spans.
*
* Copyright (C) 1999, 2000 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 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.
*/
/* $XFree86$ */
#define PSZ 32
#include "leo.h"
#include "pixmapstr.h"
#include "scrnintstr.h"
#include "cfb.h"
#include "mi.h"
#include "mispans.h"
void
LeoFillSpansSolid (DrawablePtr pDrawable, GCPtr pGC,
int n, DDXPointPtr ppt,
int *pwidth, int fSorted)
{
LeoPtr pLeo = LeoGetScreenPrivate (pGC->pScreen);
LeoCommand0 *lc0 = pLeo->lc0;
LeoDraw *ld0 = pLeo->ld0;
int numRects, *pwidthFree;
DDXPointPtr pptFree;
RegionPtr clip;
unsigned char *fb;
int fg;
int cx1 = 0, cy1 = 0, cx2 = 0, cy2 = 0;
clip = cfbGetCompositeClip(pGC);
numRects = REGION_NUM_RECTS(clip);
if (!numRects)
return;
if (numRects == 1) {
cx1 = clip->extents.x1;
cx2 = clip->extents.x2;
cy1 = clip->extents.y1;
cy2 = clip->extents.y2;
} else {
int nTmp = n * miFindMaxBand(clip);
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 (pGC->alu != GXcopy)
ld0->rop = leoRopTable[pGC->alu];
if (pGC->planemask != 0xffffff)
ld0->planemask = pGC->planemask;
ld0->fg = fg = pGC->fgPixel;
fb = (unsigned char *)pLeo->fb;
while (n--) {
int x, y, w;
unsigned int *fbf;
w = *pwidth++;
x = ppt->x;
y = ppt->y;
ppt++;
if (numRects == 1) {
if (y < cy1 || y >= cy2) continue;
if (x < cx1) {
w -= (cx1 - x);
if (w <= 0) continue;
x = cx1;
}
if (x + w > cx2) {
if (x >= cx2) continue;
w = cx2 - x;
}
}
if (w > 12) {
lc0->extent = w - 1;
lc0->fill = (y << 11) | x;
while (lc0->csr & LEO_CSR_BLT_BUSY);
} else {
fbf = (unsigned int *)(fb + (y << 13) + (x << 2));
while (w--)
*fbf++ = fg;
}
}
if (numRects != 1) {
DEALLOCATE_LOCAL(pptFree);
DEALLOCATE_LOCAL(pwidthFree);
}
if (pGC->alu != GXcopy)
ld0->rop = LEO_ATTR_RGBE_ENABLE|LEO_ROP_NEW;
if (pGC->planemask != 0xffffff)
ld0->planemask = 0xffffff;
}
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