diff options
Diffstat (limited to 'src/ffb_plygon.c')
| -rw-r--r-- | src/ffb_plygon.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/src/ffb_plygon.c b/src/ffb_plygon.c deleted file mode 100644 index 2259054..0000000 --- a/src/ffb_plygon.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * Acceleration for the Creator and Creator3D framebuffer - Polygon rops. - * - * Copyright (C) 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_plygon.c,v 1.1 2000/05/18 23:21:37 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" - -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); -} |