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Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaLine.c')
-rw-r--r--xorg-server/hw/xfree86/xaa/xaaLine.c422
1 files changed, 0 insertions, 422 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaLine.c b/xorg-server/hw/xfree86/xaa/xaaLine.c
deleted file mode 100644
index d7c60975e..000000000
--- a/xorg-server/hw/xfree86/xaa/xaaLine.c
+++ /dev/null
@@ -1,422 +0,0 @@
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <stdlib.h>
-
-#include <X11/X.h>
-#include "misc.h"
-#include "xf86.h"
-#include "xf86_OSproc.h"
-
-#include "scrnintstr.h"
-#include "pixmapstr.h"
-#include "miline.h"
-#include "xf86str.h"
-#include "xaa.h"
-#include "xaalocal.h"
-
-void
-#ifdef POLYSEGMENT
- XAAPolySegment(DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment * pSeg
-#else
-XAAPolyLines(DrawablePtr pDrawable, GCPtr pGC, int mode, /* Origin or Previous */
- int npt, /* number of points */
- DDXPointPtr pptInit
-#endif
- )
-{
- XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC);
- BoxPtr pboxInit = RegionRects(pGC->pCompositeClip);
- int nboxInit = RegionNumRects(pGC->pCompositeClip);
- unsigned int bias = miGetZeroLineBias(pDrawable->pScreen);
- int xorg = pDrawable->x;
- int yorg = pDrawable->y;
- int nbox;
- BoxPtr pbox;
-
-#ifndef POLYSEGMENT
- DDXPointPtr ppt;
-#endif
- int x1, x2, y1, y2, tmp, len;
-
- if (!nboxInit)
- return;
-
- if (infoRec->SolidLineFlags & LINE_LIMIT_COORDS) {
- int minValX = infoRec->SolidLineLimits.x1;
- int maxValX = infoRec->SolidLineLimits.x2;
- int minValY = infoRec->SolidLineLimits.y1;
- int maxValY = infoRec->SolidLineLimits.y2;
-
-#ifdef POLYSEGMENT
- int n = nseg;
- xSegment *s = pSeg;
-
- while (n--)
-#else
- int n = npt;
- int xorgtmp = xorg;
- int yorgtmp = yorg;
-
- ppt = pptInit;
- x2 = ppt->x + xorgtmp;
- y2 = ppt->y + yorgtmp;
- while (--n)
-#endif
- {
-#ifdef POLYSEGMENT
- x1 = s->x1 + xorg;
- y1 = s->y1 + yorg;
- x2 = s->x2 + xorg;
- y2 = s->y2 + yorg;
- s++;
-#else
- x1 = x2;
- y1 = y2;
- ++ppt;
- if (mode == CoordModePrevious) {
- xorgtmp = x1;
- yorgtmp = y1;
- }
- x2 = ppt->x + xorgtmp;
- y2 = ppt->y + yorgtmp;
-#endif
- if (x1 > maxValX || x1 < minValX ||
- x2 > maxValX || x2 < minValX ||
- y1 > maxValY || y1 < minValY || y2 > maxValY || y2 < minValY) {
-#ifdef POLYSEGMENT
- XAAFallbackOps.PolySegment(pDrawable, pGC, nseg, pSeg);
-#else
- XAAFallbackOps.Polylines(pDrawable, pGC, mode, npt, pptInit);
-#endif
- return;
- }
- }
- }
-
- (*infoRec->SetupForSolidLine) (infoRec->pScrn, pGC->fgPixel,
- pGC->alu, pGC->planemask);
-
-#ifdef POLYSEGMENT
- while (nseg--)
-#else
- ppt = pptInit;
- x2 = ppt->x + xorg;
- y2 = ppt->y + yorg;
- while (--npt)
-#endif
- {
- nbox = nboxInit;
- pbox = pboxInit;
-
-#ifdef POLYSEGMENT
- x1 = pSeg->x1 + xorg;
- y1 = pSeg->y1 + yorg;
- x2 = pSeg->x2 + xorg;
- y2 = pSeg->y2 + yorg;
- pSeg++;
-#else
- x1 = x2;
- y1 = y2;
- ++ppt;
- if (mode == CoordModePrevious) {
- xorg = x1;
- yorg = y1;
- }
- x2 = ppt->x + xorg;
- y2 = ppt->y + yorg;
-#endif
-
- if (x1 == x2) { /* vertical line */
- /* make the line go top to bottom of screen, keeping
- endpoint semantics
- */
- if (y1 > y2) {
- tmp = y2;
- y2 = y1 + 1;
- y1 = tmp + 1;
-#ifdef POLYSEGMENT
- if (pGC->capStyle != CapNotLast)
- y1--;
-#endif
- }
-#ifdef POLYSEGMENT
- else if (pGC->capStyle != CapNotLast)
- y2++;
-#endif
- /* get to first band that might contain part of line */
- while (nbox && (pbox->y2 <= y1)) {
- pbox++;
- nbox--;
- }
-
- /* stop when lower edge of box is beyond end of line */
- while (nbox && (y2 >= pbox->y1)) {
- if ((x1 >= pbox->x1) && (x1 < pbox->x2)) {
- tmp = max(y1, pbox->y1);
- len = min(y2, pbox->y2) - tmp;
- if (len)
- (*infoRec->SubsequentSolidHorVertLine) (infoRec->pScrn,
- x1, tmp, len,
- DEGREES_270);
- }
- nbox--;
- pbox++;
- }
-#ifndef POLYSEGMENT
- y2 = ppt->y + yorg;
-#endif
- }
- else if (y1 == y2) { /* horizontal line */
- /* force line from left to right, keeping endpoint semantics */
- if (x1 > x2) {
- tmp = x2;
- x2 = x1 + 1;
- x1 = tmp + 1;
-#ifdef POLYSEGMENT
- if (pGC->capStyle != CapNotLast)
- x1--;
-#endif
- }
-#ifdef POLYSEGMENT
- else if (pGC->capStyle != CapNotLast)
- x2++;
-#endif
-
- /* find the correct band */
- while (nbox && (pbox->y2 <= y1)) {
- pbox++;
- nbox--;
- }
-
- /* try to draw the line, if we haven't gone beyond it */
- if (nbox && (pbox->y1 <= y1)) {
- int orig_y = pbox->y1;
-
- /* when we leave this band, we're done */
- while (nbox && (orig_y == pbox->y1)) {
- if (pbox->x2 <= x1) {
- /* skip boxes until one might contain start point */
- nbox--;
- pbox++;
- continue;
- }
-
- /* stop if left of box is beyond right of line */
- if (pbox->x1 >= x2) {
- nbox = 0;
- break;
- }
-
- tmp = max(x1, pbox->x1);
- len = min(x2, pbox->x2) - tmp;
- if (len)
- (*infoRec->SubsequentSolidHorVertLine) (infoRec->pScrn,
- tmp, y1, len,
- DEGREES_0);
- nbox--;
- pbox++;
- }
- }
-#ifndef POLYSEGMENT
- x2 = ppt->x + xorg;
-#endif
- }
- else { /* sloped line */
- unsigned int oc1, oc2;
- int dmin, dmaj, e, octant;
-
- if (infoRec->SubsequentSolidBresenhamLine) {
- if ((dmaj = x2 - x1) < 0) {
- dmaj = -dmaj;
- octant = XDECREASING;
- }
- else
- octant = 0;
-
- if ((dmin = y2 - y1) < 0) {
- dmin = -dmin;
- octant |= YDECREASING;
- }
-
- if (dmin >= dmaj) {
- tmp = dmin;
- dmin = dmaj;
- dmaj = tmp;
- octant |= YMAJOR;
- }
-
- e = -dmaj - ((bias >> octant) & 1);
- len = dmaj;
- dmin <<= 1;
- dmaj <<= 1;
- }
- else { /* Muffle compiler */
- dmin = dmaj = e = octant = len = 0;
- }
-
- while (nbox--) {
- oc1 = oc2 = 0;
- OUTCODES(oc1, x1, y1, pbox);
- OUTCODES(oc2, x2, y2, pbox);
- if (!(oc1 | oc2)) { /* unclipped */
- if (infoRec->SubsequentSolidTwoPointLine) {
- (*infoRec->SubsequentSolidTwoPointLine) (infoRec->pScrn,
- x1, y1, x2, y2,
-#ifdef POLYSEGMENT
- (pGC->
- capStyle !=
- CapNotLast) ?
- 0 :
-#endif
- OMIT_LAST);
- }
- else {
- (*infoRec->SubsequentSolidBresenhamLine) (infoRec->
- pScrn, x1, y1,
- dmaj, dmin, e,
-#ifdef POLYSEGMENT
- (pGC->
- capStyle !=
- CapNotLast)
- ? (len + 1) :
-#endif
- len, octant);
- }
- break;
- }
- else if (oc1 & oc2) { /* completely clipped */
- pbox++;
- }
- else if (infoRec->ClippingFlags & HARDWARE_CLIP_SOLID_LINE) {
- (*infoRec->SetClippingRectangle) (infoRec->pScrn,
- pbox->x1, pbox->y1,
- pbox->x2 - 1,
- pbox->y2 - 1);
-
- if (infoRec->SubsequentSolidBresenhamLine) {
- (*infoRec->SubsequentSolidBresenhamLine) (infoRec->
- pScrn, x1, y1,
- dmaj, dmin, e,
-#ifdef POLYSEGMENT
- (pGC->
- capStyle !=
- CapNotLast)
- ? (len + 1) :
-#endif
- len, octant);
- }
- else {
- (*infoRec->SubsequentSolidTwoPointLine) (infoRec->pScrn,
- x1, y1, x2, y2,
-#ifdef POLYSEGMENT
- (pGC->
- capStyle !=
- CapNotLast) ?
- 0 :
-#endif
- OMIT_LAST);
- }
- (*infoRec->DisableClipping) (infoRec->pScrn);
- pbox++;
- }
- else {
- int new_x1 = x1, new_y1 = y1, new_x2 = x2, new_y2 = y2;
- int clip1 = 0, clip2 = 0;
- int err, adx, ady;
-
- if (octant & YMAJOR) {
- ady = dmaj >> 1;
- adx = dmin >> 1;
- }
- else {
- ady = dmin >> 1;
- adx = dmaj >> 1;
- }
-
- if (miZeroClipLine(pbox->x1, pbox->y1,
- pbox->x2 - 1, pbox->y2 - 1,
- &new_x1, &new_y1, &new_x2, &new_y2,
- adx, ady, &clip1, &clip2,
- octant, bias, oc1, oc2) == -1) {
- pbox++;
- continue;
- }
-
- if (octant & YMAJOR)
- len = abs(new_y2 - new_y1);
- else
- len = abs(new_x2 - new_x1);
-#ifdef POLYSEGMENT
- if (clip2 != 0 || pGC->capStyle != CapNotLast)
- len++;
-#else
- len += (clip2 != 0);
-#endif
- if (len) {
- int abserr, clipdx, clipdy;
-
- /* unwind bresenham error term to first point */
- if (clip1) {
- clipdx = abs(new_x1 - x1);
- clipdy = abs(new_y1 - y1);
-
- if (octant & YMAJOR)
- err = e + clipdy * dmin - clipdx * dmaj;
- else
- err = e + clipdx * dmin - clipdy * dmaj;
- }
- else
- err = e;
-
-#define range infoRec->SolidBresenhamLineErrorTermBits
- abserr = abs(err);
- while ((abserr & range) ||
- (dmaj & range) || (dmin & range)) {
- dmin >>= 1;
- dmaj >>= 1;
- abserr >>= 1;
- err /= 2;
- }
-
- (*infoRec->SubsequentSolidBresenhamLine) (infoRec->
- pScrn, new_x1,
- new_y1, dmaj,
- dmin, err,
- len, octant);
- }
- pbox++;
- }
- } /* while (nbox--) */
- } /* sloped line */
- } /* while (nline--) */
-
-#ifndef POLYSEGMENT
- /* paint the last point if the end style isn't CapNotLast.
- (Assume that a projecting, butt, or round cap that is one
- pixel wide is the same as the single pixel of the endpoint.)
- */
-
- if ((pGC->capStyle != CapNotLast) &&
- ((ppt->x + xorg != pptInit->x + pDrawable->x) ||
- (ppt->y + yorg != pptInit->y + pDrawable->y) ||
- (ppt == pptInit + 1))) {
- nbox = nboxInit;
- pbox = pboxInit;
- while (nbox--) {
- if ((x2 >= pbox->x1) && (y2 >= pbox->y1) &&
- (x2 < pbox->x2) && (y2 < pbox->y2)) {
- (*infoRec->SubsequentSolidHorVertLine) (infoRec->pScrn, x2, y2,
- 1, DEGREES_0);
- break;
- }
- else
- pbox++;
- }
- }
-#endif
-
- SET_SYNC_FLAG(infoRec);
-}
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