static void
CreatorFillArcSliceSolid(DrawablePtr pDrawable, GCPtr pGC, xArc *arc)
{
WindowPtr pWin = (WindowPtr) pDrawable;
FFBPtr pFfb = GET_FFB_FROM_SCREEN(pDrawable->pScreen);
CreatorPrivGCPtr gcPriv = CreatorGetGCPrivate (pGC);
ffb_fbcPtr ffb = pFfb->regs;
miFillArcRec info;
miArcSliceRec slice;
int x, y, e, yk, xk, ym, xm, dx, dy, xorg, yorg, slw;
int ya, xl, xr, xc;
/* Get the RP ready. */
if(gcPriv->stipple == NULL) {
FFB_ATTR_GC(pFfb, pGC, pWin,
FFB_PPC_APE_DISABLE | FFB_PPC_CS_CONST,
FFB_DRAWOP_RECTANGLE);
} 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_RECTANGLE);
fbc = FFB_FBC_WIN(pWin);
fbc = (fbc & ~FFB_FBC_XE_MASK) | FFB_FBC_XE_OFF;
FFB_WRITE_FBC(pFfb, ffb, fbc);
FFB_WRITE_FBC(pFfb, ffb, FFB_FBC_WIN(pWin));
}
miFillArcSetup(arc, &info);
miFillArcSliceSetup(arc, &slice, pGC);
MIFILLARCSETUP();
slw = arc->height;
if (slice.flip_top || slice.flip_bot)
slw += (arc->height >> 1) + 1;
if (pGC->miTranslate) {
xorg += pDrawable->x;
yorg += pDrawable->y;
slice.edge1.x += pDrawable->x;
slice.edge2.x += pDrawable->x;
}
while (y > 0) {
MIFILLARCSTEP(slw);
MIARCSLICESTEP(slice.edge1);
MIARCSLICESTEP(slice.edge2);
if (miFillSliceUpper(slice)) {
ya = yorg - y;
MIARCSLICEUPPER(xl, xr, slice, slw);
ADDSLICESPANS(slice.flip_top);
}
if (miFillSliceLower(slice)) {
ya = yorg + y + dy;
MIARCSLICELOWER(xl, xr, slice, slw);
ADDSLICESPANS(slice.flip_bot);
}
}
pFfb->rp_active = 1;
FFBSync(pFfb, ffb);
}
/* Wheee, circles... */
static void
CreatorFillEllipseSolid(DrawablePtr pDrawable, GCPtr pGC, xArc *arc)
{
WindowPtr pWin = (WindowPtr) pDrawable;
FFBPtr pFfb = GET_FFB_FROM_SCREEN(pDrawable->pScreen);
CreatorPrivGCPtr gcPriv = CreatorGetGCPrivate (pGC);
ffb_fbcPtr ffb = pFfb->regs;
miFillArcRec info;
int x, y, e, yk, xk, ym, xm, dx, dy, xorg, yorg, slw;
/* Get the RP ready. */
if(gcPriv->stipple == NULL) {
FFB_ATTR_GC(pFfb, pGC, pWin,
FFB_PPC_APE_DISABLE | FFB_PPC_CS_CONST,
FFB_DRAWOP_RECTANGLE);
} 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_RECTANGLE);
fbc = FFB_FBC_WIN(pWin);
fbc = (fbc & ~FFB_FBC_XE_MASK) | FFB_FBC_XE_OFF;
FFB_WRITE_FBC(pFfb, ffb, fbc);
}
/* Start computing the rects. */
miFillArcSetup(arc, &info);
MIFILLARCSETUP();
if(pGC->miTranslate) {
xorg += pDrawable->x;
yorg += pDrawable->y;
}
while(y > 0) {
MIFILLARCSTEP(slw);
if(slw > 0) {
/* Render. */
FFBFifo(pFfb, 4);
FFB_WRITE64(&ffb->by, yorg - y, xorg - x);
FFB_WRITE64_2(&ffb->bh, 1, slw);
if(miFillArcLower(slw)) {
FFBFifo(pFfb, 4);
FFB_WRITE64(&ffb->by, yorg + y + dy, xorg - x);
FFB_WRITE64_2(&ffb->bh, 1, slw);
}
}
}
pFfb->rp_active = 1;
FFBSync(pFfb, ffb);
}
static void
ReloadSegmentAttrs(FFBPtr pFfb, CreatorPrivGCPtr gcPriv, GCPtr pGC, WindowPtr pWin)
{
if(gcPriv->stipple == NULL) {
FFB_ATTR_GC(pFfb, pGC, pWin,
FFB_PPC_APE_DISABLE | FFB_PPC_CS_CONST,
SEG_DRAWOP(pGC));
} else {
ffb_fbcPtr ffb = pFfb->regs;
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, SEG_DRAWOP(pGC));
fbc = FFB_FBC_WIN(pWin);
fbc = (fbc & ~FFB_FBC_XE_MASK) | FFB_FBC_XE_OFF;
FFB_WRITE_FBC(pFfb, ffb, fbc);
}
}
void
CreatorPolySegment (DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment *pSeg)
{
WindowPtr pWin = (WindowPtr) pDrawable;
CreatorPrivGCPtr gcPriv = CreatorGetGCPrivate (pGC);
FFBPtr pFfb = GET_FFB_FROM_SCREEN (pGC->pScreen);
ffb_fbcPtr ffb = pFfb->regs;
BoxPtr extent;
int xorg, yorg, lpat;
if (nseg == 0)
return;
FFBLOG(("CreatorPolySegment: ALU(%x) PMSK(%08x) nseg(%d) lpat(%08x)\n",
pGC->alu, pGC->planemask, nseg, gcPriv->linepat));
if (gcPriv->stipple == NULL) {
FFB_ATTR_GC(pFfb, pGC, pWin,
FFB_PPC_APE_DISABLE | FFB_PPC_CS_CONST,
SEG_DRAWOP(pGC));
} 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, SEG_DRAWOP(pGC));
fbc = FFB_FBC_WIN(pWin);
fbc = (fbc & ~FFB_FBC_XE_MASK) | FFB_FBC_XE_OFF;
FFB_WRITE_FBC(pFfb, ffb, fbc);
}
pFfb->rp_active = 1;
xorg = pDrawable->x;
yorg = pDrawable->y;
extent = REGION_RECTS(cfbGetCompositeClip(pGC));
lpat = gcPriv->linepat;
if (lpat == 0) {
FFBFifo(pFfb, 1);
ffb->lpat = 0;
if (pFfb->has_brline_bug) {
while (nseg--) {
register int x1 = pSeg->x1 + xorg;
register int y1 = pSeg->y1 + yorg;
register int x2 = pSeg->x2 + xorg;
register int y2 = pSeg->y2 + yorg;
if (x1 >= extent->x1 &&
x2 >= extent->x1 &&
x1 < extent->x2 &&
x2 < extent->x2 &&
y1 >= extent->y1 &&
y2 >= extent->y1 &&
y1 < extent->y2 &&
y2 < extent->y2) {
FFBFifo(pFfb, 5);
ffb->ppc = 0;
FFB_WRITE64(&ffb->by, y1, x1);
FFB_WRITE64_2(&ffb->bh, y2, x2);
} else {
gcPriv->PolySegment(pDrawable, pGC, 1, pSeg);
ReloadSegmentAttrs(pFfb, gcPriv, pGC, pWin);
pFfb->rp_active = 1;
}
pSeg++;
}
} else {
while (nseg--) {
register int x1 = pSeg->x1 + xorg;
register int y1 = pSeg->y1 + yorg;
register int x2 = pSeg->x2 + xorg;
register int y2 = pSeg->y2 + yorg;
if (x1 >= extent->x1 &&
x2 >= extent->x1 &&
x1 < extent->x2 &&
x2 < extent->x2 &&
y1 >= extent->y1 &&
y2 >= extent->y1 &&
y1 < extent->y2 &&
y2 < extent->y2) {
FFBFifo(pFfb, 4);
FFB_WRITE64(&ffb->by, y1, x1);
FFB_WRITE64_2(&ffb->bh, y2, x2);
} else {
gcPriv->PolySegment(pDrawable, pGC, 1, pSeg);
ReloadSegmentAttrs(pFfb, gcPriv, pGC, pWin);
pFfb->rp_active = 1;
}
pSeg++;
}
}
} else {
/* No reason to optimize the non-brline bug case since
* we have to write the line pattern register each loop
* anyways.
*/
while (nseg--) {
register int x1 = pSeg->x1 + xorg;
register int y1 = pSeg->y1 + yorg;
register int x2 = pSeg->x2 + xorg;
register int y2 = pSeg->y2 + yorg;
if (x1 >= extent->x1 && x2 >= extent->x1 &&
x1 < extent->x2 && x2 < extent->x2 &&
y1 >= extent->y1 && y2 >= extent->y1 &&
y1 < extent->y2 && y2 < extent->y2) {
FFBFifo(pFfb, 5);
ffb->lpat = lpat;
FFB_WRITE64(&ffb->by, y1, x1);
FFB_WRITE64_2(&ffb->bh, y2, x2);
} else {
gcPriv->PolySegment(pDrawable, pGC, 1, pSeg);
ReloadSegmentAttrs(pFfb, gcPriv, pGC, pWin);
pFfb->rp_active = 1;
}
pSeg++;
}
}
FFBSync(pFfb, ffb);
}
void
CreatorFillPolygon (DrawablePtr pDrawable, GCPtr pGC, int shape, int mode, int count, DDXPointPtr ppt)
{
WindowPtr pWin = (WindowPtr) pDrawable;
CreatorPrivGCPtr gcPriv = CreatorGetGCPrivate (pGC);
FFBPtr pFfb = GET_FFB_FROM_SCREEN (pGC->pScreen);
ffb_fbcPtr ffb = pFfb->regs;
BoxRec box;
int lx, rx, ty, by;
int t, b, i, j, k, l, tt;
int xy[12] FFB_ALIGN64;
int xOrg, yOrg;
FFBLOG(("CreatorFillPolygon: ALU(%x) PMSK(%08x) shape(%d) mode(%d) count(%d)\n",
pGC->alu, pGC->planemask, shape, mode, count));
if (count < 3)
return;
if (shape != Convex && count > 3) {
miFillPolygon (pDrawable, pGC, shape, mode, count, ppt);
return;
}
xOrg = pDrawable->x;
yOrg = pDrawable->y;
ppt->x += xOrg;
ppt->y += yOrg;
lx = ppt->x;
rx = ppt->x;
ty = ppt->y;
by = ppt->y;
t = b = 0;
tt = 1;
for (i = 1; i < count; i++) {
if (mode == CoordModeOrigin) {
ppt[i].x += xOrg;
ppt[i].y += yOrg;
} else {
ppt[i].x += ppt[i-1].x;
ppt[i].y += ppt[i-1].y;
}
if (ppt[i].x < lx)
lx = ppt[i].x;
if (ppt[i].x > rx)
rx = ppt[i].x;
if (ppt[i].y < ty) {
ty = ppt[i].y;
t = i;
tt = 1;
} else if (ppt[i].y == ty)
tt++;
if (ppt[i].y > by) {
by = ppt[i].y;
b = i;
}
}
if (tt > 2) {
miFillConvexPoly(pDrawable, pGC, count, ppt);
return;
} else if (tt == 2) {
i = t - 1;
if (i < 0)
i = count - 1;
if (ppt[i].y == ppt[t].y)
t = i;
}
box.x1 = lx;
box.x2 = rx + 1;
box.y1 = ty;
box.y2 = by + 1;
switch (RECT_IN_REGION(pGC->pScreen, cfbGetCompositeClip(pGC), &box)) {
case rgnPART:
miFillConvexPoly(pDrawable, pGC, count, ppt);
case rgnOUT:
return;
}
if(gcPriv->stipple == NULL) {
FFB_ATTR_GC(pFfb, pGC, pWin,
FFB_PPC_APE_DISABLE | FFB_PPC_CS_CONST,
FFB_DRAWOP_POLYGON);
} 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_POLYGON);
fbc = FFB_FBC_WIN(pWin);
fbc = (fbc & ~FFB_FBC_XE_MASK) | FFB_FBC_XE_OFF;
FFB_WRITE_FBC(pFfb, ffb, fbc);
}
xy[0] = ppt[t].y;
xy[1] = ppt[t].x;
j = t + 1;
if (j == count) j = 0;
xy[2] = ppt[j].y;
xy[3] = ppt[j].x;
j = t + 2;
if (j >= count)
j -= count;
for (i = 2 * count - 4; i; i -= k) {
b = 2;
for (k = 0; k < i && k < 8; k+=2) {
xy[4 + k] = ppt[j].y;
xy[4 + k + 1] = ppt[j].x;
if (xy[4 + k] > xy[b])
b = 4 + k;
j++; if (j == count) j = 0;
}
FFBFifo(pFfb, 4 + k);
for (l = 0; l < b - 2; l+=2)
FFB_WRITE64P(&ffb->by, &xy[l]);
FFB_WRITE64P(&ffb->bh, &xy[l]);
for (l+=2; l <= k; l+=2)
FFB_WRITE64P(&ffb->by, &xy[l]);
FFB_WRITE64P(&ffb->ebyi, &xy[l]);
xy[2] = xy[l];
xy[3] = xy[l+1];
}
pFfb->rp_active = 1;
FFBSync(pFfb, ffb);
}
