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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [G33 SNA] Pixmap corruption in Gtk+ and Firefox"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64841#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [G33 SNA] Pixmap corruption in Gtk+ and Firefox"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64841">bug 64841</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>The big scary change would be the introduction of cow support. To test, you can
disable it with:
diff --git a/src/sna/sna_accel.c b/src/sna/sna_accel.c
index 371abb0..fc82e09 100644
--- a/src/sna/sna_accel.c
+++ b/src/sna/sna_accel.c
@@ -68,7 +68,7 @@
#define USE_CPU_BO 1
#define USE_USERPTR_UPLOADS 1
#define USE_USERPTR_DOWNLOADS 1
-#define USE_COW 1
+#define USE_COW 0
#define MIGRATE_ALL 0
#define DBG_NO_CPU_UPLOAD 0</pre>
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