1 files changed, 113 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor_fillspans.c b/xorg-server/glamor/glamor_fillspans.c
new file mode 100644
index 000000000..35e881f61
--- /dev/null
+++ b/xorg-server/glamor/glamor_fillspans.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright © 1998 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/** @file glamor_fillspans.c
+ *
+ * FillSpans implementation, taken from fb_fillsp.c
+ */
+#include "glamor_priv.h"
+
+static Bool
+_glamor_fill_spans(DrawablePtr drawable,
+		  GCPtr gc,
+		  int n, DDXPointPtr points, int *widths, int sorted, Bool fallback)
+{
+	DDXPointPtr ppt;
+	int nbox;
+	BoxPtr pbox;
+	int x1, x2, y;
+	RegionPtr pClip = fbGetCompositeClip(gc);
+	Bool ret = FALSE;
+
+	if (gc->fillStyle != FillSolid && gc->fillStyle != FillTiled)
+		goto fail;
+
+	ppt = points;
+	while (n--) {
+		x1 = ppt->x;
+		y = ppt->y;
+		x2 = x1 + (int) *widths;
+		ppt++;
+		widths++;
+
+		nbox = REGION_NUM_RECTS(pClip);
+		pbox = REGION_RECTS(pClip);
+		while (nbox--) {
+			int real_x1 = x1, real_x2 = x2;
+
+			if (real_x1 < pbox->x1)
+				real_x1 = pbox->x1;
+
+			if (real_x2 > pbox->x2)
+				real_x2 = pbox->x2;
+
+			if (real_x2 > real_x1 && pbox->y1 <= y && pbox->y2 > y) {
+				if (!glamor_fill(drawable, gc, real_x1, y, 
+						 real_x2 - real_x1, 1, fallback))
+					goto fail;
+			}
+			pbox++;
+		}
+	}
+	ret = TRUE;
+	goto done;
+
+fail:
+	if (!fallback 
+	    && glamor_ddx_fallback_check_pixmap(drawable)
+	    && glamor_ddx_fallback_check_gc(gc)) {
+		goto done;
+	}
+	glamor_fallback("to %p (%c)\n", drawable,
+			glamor_get_drawable_location(drawable));
+	if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RW)) {
+		if (glamor_prepare_access_gc(gc)) {
+			fbFillSpans(drawable, gc, n, points, widths,
+				    sorted);
+			glamor_finish_access_gc(gc);
+		}
+		glamor_finish_access(drawable, GLAMOR_ACCESS_RW);
+	}
+	ret = TRUE;
+
+done:
+	return ret;
+}
+
+
+void
+glamor_fill_spans(DrawablePtr drawable,
+		  GCPtr gc,
+		  int n, DDXPointPtr points, int *widths, int sorted)
+{
+	_glamor_fill_spans(drawable, gc, n, points, widths, sorted, TRUE);
+}
+
+Bool
+glamor_fill_spans_nf(DrawablePtr drawable,
+		     GCPtr gc,
+		     int n, DDXPointPtr points, int *widths, int sorted)
+{
+	return _glamor_fill_spans(drawable, gc, n, points, widths, sorted, FALSE);
+}
+
+