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-rw-r--r--src/ffb_zeroarc.c540
1 files changed, 0 insertions, 540 deletions
diff --git a/src/ffb_zeroarc.c b/src/ffb_zeroarc.c
deleted file mode 100644
index 74ba3c9..0000000
--- a/src/ffb_zeroarc.c
+++ /dev/null
@@ -1,540 +0,0 @@
-/*
- * Acceleration for the Creator and Creator3D framebuffer - Zero arc
- * rops.
- *
- * Copyright (C) 1999 Jakub Jelinek (jakub@redhat.com)
- *
- * Derived from mi/mizerarc.c, see there for authors.
- *
- * 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_zeroarc.c,v 1.1 2000/05/18 23:21:38 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 "pixmapstr.h"
-#include "scrnintstr.h"
-
-#define PSZ 8
-#include "cfb.h"
-#undef PSZ
-#include "cfb32.h"
-
-#include "mi.h"
-#include "mizerarc.h"
-
-#define FULLCIRCLE (360 * 64)
-#define OCTANT (45 * 64)
-#define QUADRANT (90 * 64)
-#define HALFCIRCLE (180 * 64)
-#define QUADRANT3 (270 * 64)
-
-typedef struct {
- int skipStart;
- int haveStart;
- DDXPointRec startPt;
- int haveLast;
- int skipLast;
- DDXPointRec endPt;
- int dashIndex;
- int dashOffset;
- int dashIndexInit;
- int dashOffsetInit;
-} DashInfo;
-
-#define Pixelate(xval,yval,ext) \
-if (((xval)+xoff) >= (ext)->x1 && \
- ((xval)+xoff) < (ext)->x2 && \
- ((yval)+yoff) >= (ext)->y1 && \
- ((yval)+yoff) < (ext)->y2) { \
- FFBFifo(pFfb, 2); \
- FFB_WRITE64(&ffb->bh, ((yval)+yoff), ((xval)+xoff)); \
-}
-
-#define Pixelate1(xval,yval,ext) \
-if (((xval)+xoff) >= (ext)->x1 && \
- ((xval)+xoff) < (ext)->x2 && \
- ((yval)+yoff) >= (ext)->y1 && \
- ((yval)+yoff) < (ext)->y2) { \
- FFBFifo(pFfb, 2); \
- FFB_WRITE64(&ffb->bh, ((yval)+yoff), ((xval)+xoff)); \
-}
-
-#define DoPix(idx,xval,yval,ext) if (mask & (1 << idx)) Pixelate(xval, yval,ext);
-
-static void
-CreatorZeroArcPts(xArc *arc, DrawablePtr pDrawable, GCPtr pGC, BoxPtr pextent)
-{
- miZeroArcRec info;
- register int x, y, a, b, d, mask;
- register int k1, k3, dx, dy;
- int xoff, yoff;
- Bool do360;
- FFBPtr pFfb = GET_FFB_FROM_SCREEN(pDrawable->pScreen);
- ffb_fbcPtr ffb = pFfb->regs;
-
- xoff = 0;
- yoff = 0;
- if (pGC->miTranslate) {
- xoff = pDrawable->x;
- yoff = pDrawable->y;
- }
- do360 = miZeroArcSetup(arc, &info, TRUE);
- MIARCSETUP();
- mask = info.initialMask;
- if (!(arc->width & 1)) {
- DoPix(1, info.xorgo, info.yorg, pextent);
- DoPix(3, info.xorgo, info.yorgo, pextent);
- }
- if (!info.end.x || !info.end.y) {
- mask = info.end.mask;
- info.end = info.altend;
- }
- if (do360 && (arc->width == arc->height) && !(arc->width & 1)) {
- int yorgh = info.yorg + info.h;
- int xorghp = info.xorg + info.h;
- int xorghn = info.xorg - info.h;
- int lastx = 0, lasty = 0;
-
- while (1) {
- if (a < 0)
- break;
- Pixelate1(info.xorg + x, info.yorg + y, pextent);
- Pixelate1(info.xorg - x, info.yorg + y, pextent);
- Pixelate1(info.xorg - x, info.yorgo - y, pextent);
- Pixelate1(info.xorg + x, info.yorgo - y, pextent);
- Pixelate1(xorghp - y, yorgh - x, pextent);
- Pixelate1(xorghn + y, yorgh - x, pextent);
- Pixelate1(xorghn + y, yorgh + x, pextent);
- lastx = xorghp - y; lasty = yorgh + x;
- Pixelate1(xorghp - y, yorgh + x, pextent);
- MIARCCIRCLESTEP(;);
- }
- if (x <= 0 || lastx != info.xorg + x || lasty != info.yorg + y) {
- Pixelate1(info.xorg + x, info.yorg + y, pextent);
- Pixelate1(info.xorg - x, info.yorg + y, pextent);
- Pixelate1(info.xorg - x, info.yorgo - y, pextent);
- Pixelate1(info.xorg + x, info.yorgo - y, pextent);
- }
- x = info.w;
- y = info.h;
- } else if (do360) {
- while (y < info.h || x < info.w) {
- MIARCOCTANTSHIFT(;);
- Pixelate1(info.xorg + x, info.yorg + y, pextent);
- Pixelate1(info.xorgo - x, info.yorg + y, pextent);
- Pixelate1(info.xorgo - x, info.yorgo - y, pextent);
- Pixelate1(info.xorg + x, info.yorgo - y, pextent);
- MIARCSTEP(;,;);
- }
- } else {
- while (y < info.h || x < info.w) {
- MIARCOCTANTSHIFT(;);
- if ((x == info.start.x) || (y == info.start.y)) {
- mask = info.start.mask;
- info.start = info.altstart;
- }
- DoPix(0, info.xorg + x, info.yorg + y, pextent);
- DoPix(1, info.xorgo - x, info.yorg + y, pextent);
- DoPix(2, info.xorgo - x, info.yorgo - y, pextent);
- DoPix(3, info.xorg + x, info.yorgo - y, pextent);
- if (x == info.end.x || y == info.end.y) {
- mask = info.end.mask;
- info.end = info.altend;
- }
- MIARCSTEP(;,;);
- }
- }
- if (x == info.start.x || y == info.start.y)
- mask = info.start.mask;
- DoPix(0, info.xorg + x, info.yorg + y, pextent);
- DoPix(2, info.xorgo - x, info.yorgo - y, pextent);
- if (arc->height & 1) {
- DoPix(1, info.xorgo - x, info.yorg + y, pextent);
- DoPix(3, info.xorg + x, info.yorgo - y, pextent);
- }
-}
-
-#undef DoPix
-#define DoPix(idx,xval,yval) \
- if (mask & (1 << idx)) \
- { \
- arcPts[idx]->x = xval; \
- arcPts[idx]->y = yval; \
- arcPts[idx]++; \
- }
-
-static void
-CreatorZeroArcDashPts(GCPtr pGC, xArc *arc, DashInfo *dinfo, DDXPointPtr points,
- int maxPts, DDXPointPtr *evenPts, DDXPointPtr *oddPts)
-{
- miZeroArcRec info;
- register int x, y, a, b, d, mask;
- register int k1, k3, dx, dy;
- int dashRemaining;
- DDXPointPtr arcPts[4];
- DDXPointPtr startPts[5], endPts[5];
- int deltas[5];
- DDXPointPtr startPt, pt, lastPt, pts;
- int i, j, delta, ptsdelta, seg, startseg;
-
- for (i = 0; i < 4; i++)
- arcPts[i] = points + (i * maxPts);
- miZeroArcSetup(arc, &info, FALSE);
- MIARCSETUP();
- mask = info.initialMask;
- startseg = info.startAngle / QUADRANT;
- startPt = arcPts[startseg];
- if (!(arc->width & 1)) {
- DoPix(1, info.xorgo, info.yorg);
- DoPix(3, info.xorgo, info.yorgo);
- }
- if (!info.end.x || !info.end.y) {
- mask = info.end.mask;
- info.end = info.altend;
- }
- while (y < info.h || x < info.w) {
- MIARCOCTANTSHIFT(;);
- if ((x == info.firstx) || (y == info.firsty))
- startPt = arcPts[startseg];
- if ((x == info.start.x) || (y == info.start.y)) {
- mask = info.start.mask;
- info.start = info.altstart;
- }
- DoPix(0, info.xorg + x, info.yorg + y);
- DoPix(1, info.xorgo - x, info.yorg + y);
- DoPix(2, info.xorgo - x, info.yorgo - y);
- DoPix(3, info.xorg + x, info.yorgo - y);
- if (x == info.end.x || y == info.end.y) {
- mask = info.end.mask;
- info.end = info.altend;
- }
- MIARCSTEP(;,;);
- }
- if (x == info.firstx || y == info.firsty)
- startPt = arcPts[startseg];
- if (x == info.start.x || y == info.start.y)
- mask = info.start.mask;
- DoPix(0, info.xorg + x, info.yorg + y);
- DoPix(2, info.xorgo - x, info.yorgo - y);
- if (arc->height & 1) {
- DoPix(1, info.xorgo - x, info.yorg + y);
- DoPix(3, info.xorg + x, info.yorgo - y);
- }
- for (i = 0; i < 4; i++) {
- seg = (startseg + i) & 3;
- pt = points + (seg * maxPts);
- if (seg & 1) {
- startPts[i] = pt;
- endPts[i] = arcPts[seg];
- deltas[i] = 1;
- } else {
- startPts[i] = arcPts[seg] - 1;
- endPts[i] = pt - 1;
- deltas[i] = -1;
- }
- }
- startPts[4] = startPts[0];
- endPts[4] = startPt;
- startPts[0] = startPt;
- if (startseg & 1) {
- if (startPts[4] != endPts[4])
- endPts[4]--;
- deltas[4] = 1;
- } else {
- if (startPts[0] > startPts[4])
- startPts[0]--;
- if (startPts[4] < endPts[4])
- endPts[4]--;
- deltas[4] = -1;
- }
- if (arc->angle2 < 0) {
- DDXPointPtr tmps, tmpe;
- int tmpd;
-
- tmpd = deltas[0];
- tmps = startPts[0] - tmpd;
- tmpe = endPts[0] - tmpd;
- startPts[0] = endPts[4] - deltas[4];
- endPts[0] = startPts[4] - deltas[4];
- deltas[0] = -deltas[4];
- startPts[4] = tmpe;
- endPts[4] = tmps;
- deltas[4] = -tmpd;
- tmpd = deltas[1];
- tmps = startPts[1] - tmpd;
- tmpe = endPts[1] - tmpd;
- startPts[1] = endPts[3] - deltas[3];
- endPts[1] = startPts[3] - deltas[3];
- deltas[1] = -deltas[3];
- startPts[3] = tmpe;
- endPts[3] = tmps;
- deltas[3] = -tmpd;
- tmps = startPts[2] - deltas[2];
- startPts[2] = endPts[2] - deltas[2];
- endPts[2] = tmps;
- deltas[2] = -deltas[2];
- }
- for (i = 0; i < 5 && startPts[i] == endPts[i]; i++);
- if (i == 5)
- return;
- pt = startPts[i];
- for (j = 4; startPts[j] == endPts[j]; j--);
- lastPt = endPts[j] - deltas[j];
- if (dinfo->haveLast &&
- (pt->x == dinfo->endPt.x) && (pt->y == dinfo->endPt.y)) {
- startPts[i] += deltas[i];
- } else {
- dinfo->dashIndex = dinfo->dashIndexInit;
- dinfo->dashOffset = dinfo->dashOffsetInit;
- }
- if (!dinfo->skipStart && (info.startAngle != info.endAngle)) {
- dinfo->startPt = *pt;
- dinfo->haveStart = TRUE;
- } else if (!dinfo->skipLast && dinfo->haveStart &&
- (lastPt->x == dinfo->startPt.x) &&
- (lastPt->y == dinfo->startPt.y) &&
- (lastPt != startPts[i]))
- endPts[j] = lastPt;
- if (info.startAngle != info.endAngle) {
- dinfo->haveLast = TRUE;
- dinfo->endPt = *lastPt;
- }
- dashRemaining = pGC->dash[dinfo->dashIndex] - dinfo->dashOffset;
- for (i = 0; i < 5; i++) {
- pt = startPts[i];
- lastPt = endPts[i];
- delta = deltas[i];
- while (pt != lastPt) {
- if (dinfo->dashIndex & 1) {
- pts = *oddPts;
- ptsdelta = -1;
- } else {
- pts = *evenPts;
- ptsdelta = 1;
- }
- while ((pt != lastPt) && --dashRemaining >= 0) {
- *pts = *pt;
- pts += ptsdelta;
- pt += delta;
- }
- if (dinfo->dashIndex & 1)
- *oddPts = pts;
- else
- *evenPts = pts;
- if (dashRemaining <= 0) {
- if (++(dinfo->dashIndex) == pGC->numInDashList)
- dinfo->dashIndex = 0;
- dashRemaining = pGC->dash[dinfo->dashIndex];
- }
- }
- }
- dinfo->dashOffset = pGC->dash[dinfo->dashIndex] - dashRemaining;
-}
-
-void
-CreatorZeroPolyArc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc *parcs)
-{
- WindowPtr pWin = (WindowPtr) pDrawable;
- int maxPts = 0;
- register int n;
- register xArc *arc;
- register int i;
- register int j, k;
- DDXPointPtr points = NULL, pts, oddPts;
- int numPts = 0;
- DashInfo dinfo;
- FFBPtr pFfb;
- ffb_fbcPtr ffb;
- RegionPtr clip;
- int numRects, ppc;
- BoxPtr pbox;
- CreatorPrivGCPtr gcPriv;
- register int off = 0, c1, c2;
- register char *addrp = NULL;
- register int *ppt, pt, pix;
-
- gcPriv = CreatorGetGCPrivate (pGC);
- pFfb = GET_FFB_FROM_SCREEN(pDrawable->pScreen);
- ffb = pFfb->regs;
- clip = cfbGetCompositeClip(pGC);
- numRects = REGION_NUM_RECTS(clip);
- if (!numRects)
- return;
- if (pGC->lineStyle == LineSolid && numRects != 1) {
- miZeroPolyArc(pDrawable, pGC, narcs, parcs);
- return;
- }
- FFBLOG(("CreatorZeroPolyArc: ALU(%x) PMSK(%08x) narcs(%d)\n",
- pGC->alu, pGC->planemask, narcs));
- if (pGC->lineStyle == LineSolid)
- for (arc = parcs, i = narcs, j = 0; --i >= 0; arc++) {
- if (!miCanZeroArc(arc))
- miPolyArc(pDrawable, pGC, 1, arc);
- else
- j++;
- }
- else
- for (arc = parcs, i = narcs, j = 0; --i >= 0; arc++) {
- if (!miCanZeroArc(arc))
- miPolyArc(pDrawable, pGC, 1, arc);
- else {
- j++;
- if (arc->width > arc->height)
- n = arc->width + (arc->height >> 1);
- else
- n = arc->height + (arc->width >> 1);
- if (n > maxPts)
- maxPts = n;
- }
- }
- if (!j)
- return;
-
- if (pGC->lineStyle != LineSolid) {
- numPts = maxPts << 2;
- points = (DDXPointPtr)ALLOCATE_LOCAL(sizeof(DDXPointRec) * (numPts + (maxPts << 1)));
- if (!points) return;
- dinfo.haveStart = FALSE;
- dinfo.skipStart = FALSE;
- dinfo.haveLast = FALSE;
- dinfo.dashIndexInit = 0;
- dinfo.dashOffsetInit = 0;
- miStepDash((int)pGC->dashOffset, &dinfo.dashIndexInit,
- (unsigned char *) pGC->dash, (int)pGC->numInDashList,
- &dinfo.dashOffsetInit);
- off = *(int *)&pDrawable->x;
- off -= (off & 0x8000) << 1;
- if (pGC->depth == 8) {
- addrp = (char *)pFfb->sfb8r +
- (pDrawable->y << 11) + (pDrawable->x << 0);
- } else {
- addrp = (char *)pFfb->sfb32 +
- (pDrawable->y << 13) + (pDrawable->x << 2);
- }
- ppc = FFB_PPC_CS_VAR;
- } else
- ppc = FFB_PPC_CS_CONST;
-
- if(gcPriv->stipple == NULL) {
- FFB_ATTR_GC(pFfb, pGC, pWin,
- ppc | FFB_PPC_APE_DISABLE,
- FFB_DRAWOP_DOT);
- } else {
- unsigned int fbc;
-
- FFBSetStipple(pFfb, ffb, gcPriv->stipple,
- ppc, FFB_PPC_CS_MASK);
- FFB_WRITE_PMASK(pFfb, ffb, pGC->planemask);
- FFB_WRITE_DRAWOP(pFfb, ffb, FFB_DRAWOP_DOT);
- fbc = FFB_FBC_WIN(pWin);
- fbc = (fbc & ~FFB_FBC_XE_MASK) | FFB_FBC_XE_OFF;
- FFB_WRITE_FBC(pFfb, ffb, fbc);
- }
- if((ppc & FFB_PPC_CS_MASK) == FFB_PPC_CS_VAR)
- FFBWait(pFfb, ffb);
-
- for (arc = parcs, i = narcs; --i >= 0; arc++) {
- if (miCanZeroArc(arc)) {
- if (pGC->lineStyle == LineSolid)
- CreatorZeroArcPts(arc, pDrawable, pGC, REGION_RECTS(clip));
- else {
- pts = points;
- oddPts = &points[(numPts >> 1) - 1];
- dinfo.skipLast = i;
- CreatorZeroArcDashPts(pGC, arc, &dinfo,
- oddPts + 1, maxPts, &pts, &oddPts);
- dinfo.skipStart = TRUE;
- n = pts - points;
- pbox = REGION_RECTS(clip);
- j = numRects;
- pix = pGC->fgPixel;
- if (pGC->depth == 8) {
- while (j--) {
- c1 = *(int *)&pbox->x1 - off;
- c2 = *(int *)&pbox->x2 - off - 0x00010001;
- for (ppt = (int *)points, k = n; --k >= 0; ) {
- pt = *ppt++;
- if (!(((pt - c1) | (c2 - pt)) & 0x80008000))
- *(unsigned char *)(addrp + ((pt << 11) & 0x3ff800) + ((pt >> 16) & 0x07ff)) = pix;
- }
- pbox++;
- }
- } else {
- while (j--) {
- c1 = *(int *)&pbox->x1 - off;
- c2 = *(int *)&pbox->x2 - off - 0x00010001;
- for (ppt = (int *)points, k = n; --k >= 0; ) {
- pt = *ppt++;
- if (!(((pt - c1) | (c2 - pt)) & 0x80008000))
- *(unsigned int *)(addrp + ((pt << 13) & 0xffe000) + ((pt >> 14) & 0x1ffc)) = pix;
- }
- pbox++;
- }
- }
- if (pGC->lineStyle != LineDoubleDash)
- continue;
- if ((pGC->fillStyle == FillSolid) || (pGC->fillStyle == FillStippled))
- pix = pGC->bgPixel;
- pts = &points[numPts >> 1];
- oddPts++;
- n = pts - oddPts;
- pbox = REGION_RECTS(clip);
- j = numRects;
- if (pGC->depth == 8) {
- while (j--) {
- c1 = *(int *)&pbox->x1 - off;
- c2 = *(int *)&pbox->x2 - off - 0x00010001;
- for (ppt = (int *)oddPts, k = n; --k >= 0; ) {
- pt = *ppt++;
- if (!(((pt - c1) | (c2 - pt)) & 0x80008000))
- *(unsigned char *)(addrp + ((pt << 11) & 0x3ff800) + ((pt >> 16) & 0x07ff)) = pix;
- }
- pbox++;
- }
- } else {
- while (j--) {
- c1 = *(int *)&pbox->x1 - off;
- c2 = *(int *)&pbox->x2 - off - 0x00010001;
- for (ppt = (int *)oddPts, k = n; --k >= 0; ) {
- pt = *ppt++;
- if (!(((pt - c1) | (c2 - pt)) & 0x80008000))
- *(unsigned int *)(addrp + ((pt << 13) & 0xffe000) + ((pt >> 14) & 0x1ffc)) = pix;
- }
- pbox++;
- }
- }
- }
- }
- }
- if (pGC->lineStyle != LineSolid) {
- DEALLOCATE_LOCAL(points);
- } else {
- pFfb->rp_active = 1;
- FFBSync(pFfb, ffb);
- }
-}
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