[PATCH 24/27] glamor: Fix ignoring the ALU during SetSpans().

[Eric Anholt]

Signed-off-by: Eric Anholt <eric at anholt.net>
---
 glamor/glamor_setspans.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/glamor/glamor_setspans.c b/glamor/glamor_setspans.c
index ced302a..a51e4c5 100644
--- a/glamor/glamor_setspans.c
+++ b/glamor/glamor_setspans.c
@@ -48,7 +48,11 @@ _glamor_set_spans(DrawablePtr drawable, GCPtr gc, char *src,
         goto fail;
     }
 
-    /* XXX Shall we set alu here? */
+    if (gc->alu != GXcopy) {
+        glamor_fallback("SetSpans with non-copy ALU.\n");
+        goto fail;
+    }
+
     if (!glamor_set_planemask(dest_pixmap, gc->planemask))
         goto fail;
 
-- 
1.9.0