93f1824a0b
Now that the core deals with that for us, we can avoid all this extra carefulness. Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Markus Wick <markus@selfnet.de>
108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/*
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* Copyright © 1998 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/** @file glamor_fillspans.c
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*
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* FillSpans implementation, taken from fb_fillsp.c
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*/
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#include "glamor_priv.h"
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static Bool
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_glamor_fill_spans(DrawablePtr drawable,
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GCPtr gc,
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int n, DDXPointPtr points, int *widths, int sorted,
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Bool fallback)
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{
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DDXPointPtr ppt;
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int nbox;
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BoxPtr pbox;
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int x1, x2, y;
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RegionPtr pClip = fbGetCompositeClip(gc);
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Bool ret = FALSE;
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if (gc->fillStyle != FillSolid && gc->fillStyle != FillTiled)
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goto fail;
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ppt = points;
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while (n--) {
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x1 = ppt->x;
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y = ppt->y;
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x2 = x1 + (int) *widths;
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ppt++;
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widths++;
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nbox = REGION_NUM_RECTS(pClip);
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pbox = REGION_RECTS(pClip);
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while (nbox--) {
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int real_x1 = x1, real_x2 = x2;
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if (real_x1 < pbox->x1)
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real_x1 = pbox->x1;
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if (real_x2 > pbox->x2)
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real_x2 = pbox->x2;
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if (real_x2 > real_x1 && pbox->y1 <= y && pbox->y2 > y) {
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if (!glamor_fill(drawable, gc, real_x1, y,
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real_x2 - real_x1, 1, fallback))
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goto fail;
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}
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pbox++;
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}
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}
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ret = TRUE;
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goto done;
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fail:
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if (!fallback && glamor_ddx_fallback_check_pixmap(drawable)
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&& glamor_ddx_fallback_check_gc(gc)) {
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goto done;
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}
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glamor_fallback("to %p (%c)\n", drawable,
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glamor_get_drawable_location(drawable));
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if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RW) &&
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glamor_prepare_access_gc(gc)) {
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fbFillSpans(drawable, gc, n, points, widths, sorted);
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}
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glamor_finish_access_gc(gc);
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glamor_finish_access(drawable);
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ret = TRUE;
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done:
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return ret;
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}
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void
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glamor_fill_spans(DrawablePtr drawable,
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GCPtr gc, int n, DDXPointPtr points, int *widths, int sorted)
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{
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_glamor_fill_spans(drawable, gc, n, points, widths, sorted, TRUE);
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}
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Bool
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glamor_fill_spans_nf(DrawablePtr drawable,
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GCPtr gc,
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int n, DDXPointPtr points, int *widths, int sorted)
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{
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return _glamor_fill_spans(drawable, gc, n, points, widths, sorted, FALSE);
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}
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