1 files changed, 111 insertions, 0 deletions
diff --git a/xorg-server/glamor/glamor_setspans.c b/xorg-server/glamor/glamor_setspans.c
new file mode 100644
index 000000000..3d447b606
--- /dev/null
+++ b/xorg-server/glamor/glamor_setspans.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * 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>
+ *    Zhigang Gong <zhigang.gong@linux.intel.com>
+ *
+ */
+
+#include "glamor_priv.h"
+
+static Bool
+_glamor_set_spans(DrawablePtr drawable, GCPtr gc, char *src,
+		 DDXPointPtr points, int *widths, int numPoints, int sorted,
+		 Bool fallback)
+{
+	PixmapPtr dest_pixmap = glamor_get_drawable_pixmap(drawable);
+	glamor_pixmap_private *dest_pixmap_priv;
+	int i;
+	uint8_t *drawpixels_src = (uint8_t *) src;
+	RegionPtr clip = fbGetCompositeClip(gc);
+	BoxRec *pbox;
+	int x_off, y_off;
+	Bool ret = FALSE;
+
+	dest_pixmap_priv = glamor_get_pixmap_private(dest_pixmap);
+	if (!GLAMOR_PIXMAP_PRIV_HAS_FBO(dest_pixmap_priv)) {
+		glamor_fallback("pixmap has no fbo.\n");
+		goto fail;
+	}
+
+	/* XXX Shall we set alu here? */
+	if (!glamor_set_planemask(dest_pixmap, gc->planemask))
+		goto fail;
+
+	glamor_get_drawable_deltas(drawable, dest_pixmap, &x_off, &y_off);
+	for (i = 0; i < numPoints; i++) {
+
+		int n = REGION_NUM_RECTS(clip);
+		pbox = REGION_RECTS(clip);
+		while (n--) {
+			int x1 = points[i].x;
+			int x2 = x1 + widths[i];
+			int y1 = points[i].y;
+
+			if (pbox->y1 > points[i].y || pbox->y2 < points[i].y)
+				break;
+			x1 = x1 > pbox->x1 ? x1 : pbox->x1;
+			x2 = x2 < pbox->x2 ? x2 : pbox->x2;
+			if (x1 >= x2)
+				continue;
+			glamor_upload_sub_pixmap_to_texture(dest_pixmap, x1 + x_off,  y1 + y_off, x2 - x1, 1,
+							    PixmapBytePad(widths[i], drawable->depth),
+							    drawpixels_src, 0);
+		}
+		drawpixels_src += PixmapBytePad(widths[i], drawable->depth);
+	}
+	ret = TRUE;
+	goto done;
+
+fail:
+	if (!fallback
+	    && glamor_ddx_fallback_check_pixmap(drawable))
+		goto done;
+
+	glamor_fallback("to %p (%c)\n",
+			drawable, glamor_get_drawable_location(drawable));
+	if (glamor_prepare_access(drawable, GLAMOR_ACCESS_RW)) {
+		fbSetSpans(drawable, gc, src, points, widths, numPoints, sorted);
+		glamor_finish_access(drawable, GLAMOR_ACCESS_RW);
+	}
+	ret = TRUE;
+
+done:
+	return ret;
+}
+
+void
+glamor_set_spans(DrawablePtr drawable, GCPtr gc, char *src,
+		    DDXPointPtr points, int *widths, int n, int sorted)
+{
+	_glamor_set_spans(drawable, gc, src, points, 
+			     widths, n, sorted, TRUE);
+}
+
+Bool
+glamor_set_spans_nf(DrawablePtr drawable, GCPtr gc, char *src,
+		    DDXPointPtr points, int *widths, int n, int sorted)
+{
+	return _glamor_set_spans(drawable, gc, src, points, 
+				    widths, n, sorted, FALSE);
+}