1 files changed, 127 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor_polyfillrect.c b/xorg-server/glamor/glamor_polyfillrect.c
new file mode 100644
index 000000000..4e1f7b3a9
--- /dev/null
+++ b/xorg-server/glamor/glamor_polyfillrect.c
@@ -0,0 +1,127 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ * Copyright © 1998 Keith Packard
+ *
+ * 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 (including the next
+ * paragraph) 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
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include "glamor_priv.h"
+
+/** @file glamor_fillspans.c
+ *
+ * GC PolyFillRect implementation, taken straight from fb_fill.c
+ */
+
+static Bool
+_glamor_poly_fill_rect(DrawablePtr drawable,
+		      GCPtr gc, int nrect, xRectangle * prect, Bool fallback)
+{
+	int fullX1, fullX2, fullY1, fullY2;
+	int xorg, yorg;
+	int n;
+	register BoxPtr pbox;
+	RegionPtr pClip = fbGetCompositeClip(gc);
+	Bool ret = FALSE;
+
+	xorg = drawable->x;
+	yorg = drawable->y;
+
+	while (nrect--) {
+		fullX1 = prect->x + xorg;
+		fullY1 = prect->y + yorg;
+		fullX2 = fullX1 + (int) prect->width;
+		fullY2 = fullY1 + (int) prect->height;
+
+		n = REGION_NUM_RECTS(pClip);
+		pbox = REGION_RECTS(pClip);
+		/*
+		 * clip the rectangle to each box in the clip region
+		 * this is logically equivalent to calling Intersect(),
+		 * but rectangles may overlap each other here.
+		 */
+		while (n--) {
+			int x1 = fullX1;
+			int x2 = fullX2;
+			int y1 = fullY1;
+			int y2 = fullY2;
+
+			if (pbox->x1 > x1)
+				x1 = pbox->x1;
+			if (pbox->x2 < x2)
+				x2 = pbox->x2;
+			if (pbox->y1 > y1)
+				y1 = pbox->y1;
+			if (pbox->y2 < y2)
+				y2 = pbox->y2;
+
+			pbox++;
+			if (x1 >= x2 || y1 >= y2)
+				continue;
+			if (!glamor_fill(drawable, gc, x1, y1, x2 - x1,
+					 y2 - y1, fallback)) {
+				nrect++;
+				goto fail;
+			}
+		}
+		prect++;
+	}
+	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)) {
+			fbPolyFillRect(drawable, gc, nrect, prect);
+			glamor_finish_access_gc(gc);
+		}
+		glamor_finish_access(drawable, GLAMOR_ACCESS_RW);
+	}
+	ret = TRUE;
+
+done:
+	return ret;
+}
+
+
+void
+glamor_poly_fill_rect(DrawablePtr drawable,
+		      GCPtr gc, int nrect, xRectangle * prect)
+{
+	_glamor_poly_fill_rect(drawable, gc, nrect, prect, TRUE);
+}
+
+Bool
+glamor_poly_fill_rect_nf(DrawablePtr drawable,
+		         GCPtr gc, int nrect, xRectangle * prect)
+{
+	return _glamor_poly_fill_rect(drawable, gc, nrect, prect, FALSE);
+}