diff options
Diffstat (limited to 'xorg-server/hw/xfree86/xaa/xaaFillArc.c')
| -rw-r--r-- | xorg-server/hw/xfree86/xaa/xaaFillArc.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/xorg-server/hw/xfree86/xaa/xaaFillArc.c b/xorg-server/hw/xfree86/xaa/xaaFillArc.c deleted file mode 100644 index fb7e7201f..000000000 --- a/xorg-server/hw/xfree86/xaa/xaaFillArc.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * Copyright 1996 The XFree86 Project - * - * 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 - * HARM HANEMAAYER 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. - * - * Written by Harm Hanemaayer (H.Hanemaayer@inter.nl.net). - */ - -/* - * Filled solid arcs, based on cfbfillarc.c. - * - * Fill arc using calls to low-level span fill. Because the math for - * each span can be done concurrently with the drawing of the span - * with a graphics coprocessor operation, this is faster than just - * using miPolyFillArc, which first calculates all the spans and then - * calls FillSpans. - * - * Clipped arcs are dispatched to FillSpans. - */ -#ifdef HAVE_XORG_CONFIG_H -#include <xorg-config.h> -#endif - -#include <limits.h> - -#include "misc.h" -#include "xf86.h" -#include "xf86_OSproc.h" - -#include <X11/X.h> -#include "scrnintstr.h" -#include "pixmapstr.h" -#include "xf86str.h" -#include "xaa.h" -#include "xaalocal.h" -#include "mifillarc.h" -#include "mi.h" - -/* - * This is based on the integer-math versions from mi. Perhaps on a - * Pentium, the floating-point (double)-math version is faster. - */ - -static void -XAAFillEllipseSolid(DrawablePtr pDraw, GCPtr pGC, xArc * arc) -{ - XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); - register int x, y, e; - int yk, xk, ym, xm, dx, dy, xorg, yorg; - int slw; - miFillArcRec info; - - (*infoRec->SetupForSolidFill) (infoRec->pScrn, pGC->fgPixel, pGC->alu, - pGC->planemask); - - miFillArcSetup(arc, &info); - MIFILLARCSETUP(); - if (pGC->miTranslate) { - xorg += pDraw->x; - yorg += pDraw->y; - } - while (y > 0) { - MIFILLARCSTEP(slw); - if (slw > 0) { - (*infoRec->SubsequentSolidFillRect) (infoRec->pScrn, xorg - x, - yorg - y, slw, 1); - if (miFillArcLower(slw)) - (*infoRec->SubsequentSolidFillRect) (infoRec->pScrn, - xorg - x, yorg + y + dy, - slw, 1); - } - } - - SET_SYNC_FLAG(infoRec); -} - -#define ADDSPAN(l,r) \ - if (r >= l) \ - (*infoRec->SubsequentSolidFillRect)( \ - infoRec->pScrn, l, ya, r - l + 1, 1); - -#define ADDSLICESPANS(flip) \ - if (!flip) \ - { \ - ADDSPAN(xl, xr); \ - } \ - else \ - { \ - xc = xorg - x; \ - ADDSPAN(xc, xr); \ - xc += slw - 1; \ - ADDSPAN(xl, xc); \ - } - -static void -XAAFillArcSliceSolid(DrawablePtr pDraw, GCPtr pGC, xArc * arc) -{ - XAAInfoRecPtr infoRec = GET_XAAINFORECPTR_FROM_GC(pGC); - int yk, xk, ym, xm, dx, dy, xorg, yorg, slw; - register int x, y, e; - miFillArcRec info; - miArcSliceRec slice; - int ya, xl, xr, xc; - - (*infoRec->SetupForSolidFill) (infoRec->pScrn, pGC->fgPixel, pGC->alu, - pGC->planemask); - - 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 += pDraw->x; - yorg += pDraw->y; - slice.edge1.x += pDraw->x; - slice.edge2.x += pDraw->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); - } - } - - SET_SYNC_FLAG(infoRec); -} - -void -XAAPolyFillArcSolid(DrawablePtr pDraw, GCPtr pGC, int narcs, xArc * parcs) -{ - register xArc *arc; - register int i; - int x2, y2; - BoxRec box; - RegionPtr cclip; - - cclip = pGC->pCompositeClip; - - if (!RegionNumRects(cclip)) - return; - - for (arc = parcs, i = narcs; --i >= 0; arc++) { - if (miFillArcEmpty(arc)) - continue; - if (miCanFillArc(arc)) { - box.x1 = arc->x + pDraw->x; - box.y1 = arc->y + pDraw->y; - /* - * Because box.x2 and box.y2 get truncated to 16 bits, and the - * RECT_IN_REGION test treats the resulting number as a signed - * integer, the RECT_IN_REGION test alone can go the wrong way. - * This can result in a server crash because the rendering - * routines in this file deal directly with cpu addresses - * of pixels to be stored, and do not clip or otherwise check - * that all such addresses are within their respective pixmaps. - * So we only allow the RECT_IN_REGION test to be used for - * values that can be expressed correctly in a signed short. - */ - x2 = box.x1 + (int) arc->width + 1; - box.x2 = x2; - y2 = box.y1 + (int) arc->height + 1; - box.y2 = y2; - if ((x2 <= SHRT_MAX) && (y2 <= SHRT_MAX) && - (RegionContainsRect(cclip, &box) == rgnIN)) { - if ((arc->angle2 >= FULLCIRCLE) || (arc->angle2 <= -FULLCIRCLE)) - XAAFillEllipseSolid(pDraw, pGC, arc); - else - XAAFillArcSliceSolid(pDraw, pGC, arc); - continue; - } - } - miPolyFillArc(pDraw, pGC, 1, arc); - } -} |