[PATCH 06/14] composite: Automatically enable backing store support on the screen
Adam Jackson
ajax at redhat.com
Thu Nov 21 14:43:19 PST 2013
... unless you explicitly disabled it with -bs on the command line, or
with the corresponding thing in xorg.conf.
v2: Drop a bogus hunk from compChangeWindowAttributes [vsyrjala]
Signed-off-by: Adam Jackson <ajax at redhat.com>
---
composite/compinit.c | 3 +++
hw/xfree86/common/xf86Helper.c | 5 +++++
2 files changed, 8 insertions(+)
diff --git a/composite/compinit.c b/composite/compinit.c
index bc1130e..6283136 100644
--- a/composite/compinit.c
+++ b/composite/compinit.c
@@ -355,6 +355,9 @@ compScreenInit(ScreenPtr pScreen)
return FALSE;
}
+ if (!disableBackingStore)
+ pScreen->backingStoreSupport = TRUE;
+
cs->PositionWindow = pScreen->PositionWindow;
pScreen->PositionWindow = compPositionWindow;
diff --git a/hw/xfree86/common/xf86Helper.c b/hw/xfree86/common/xf86Helper.c
index 4f1f3d4..f1e6783 100644
--- a/hw/xfree86/common/xf86Helper.c
+++ b/hw/xfree86/common/xf86Helper.c
@@ -1638,6 +1638,11 @@ xf86SetBackingStore(ScreenPtr pScreen)
else {
if (xf86GetOptValBool(options, OPTION_BACKING_STORE, &useBS))
from = X_CONFIG;
+#ifdef COMPOSITE
+ if (from != X_CONFIG)
+ useBS = xf86ReturnOptValBool(options, OPTION_BACKING_STORE,
+ !noCompositeExtension);
+#endif
}
free(options);
pScreen->backingStoreSupport = useBS ? WhenMapped : NotUseful;
--
1.8.4.2
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