1 files changed, 48 insertions, 0 deletions
diff --git a/xorg-server/mi/mibstore.c b/xorg-server/mi/mibstore.c
new file mode 100644
index 000000000..294b2caee
--- /dev/null
+++ b/xorg-server/mi/mibstore.c
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2007 Red Hat, Inc.
+ *
+ * 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
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * them 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 MERCHANTIBILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS 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.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+#include "scrnintstr.h"
+#include "mibstore.h"
+
+/*
+ * There is no longer an mi implementation of backing store.  This function
+ * is only for source compatibility with old drivers.
+ *
+ * Note though that you do get backing store for free if your server has
+ * Composite enabled, since the automatic redirection mechanism provides
+ * essentially the same functionality.  See compChangeWindowAttributes()
+ * for the implementation.
+ */
+
+_X_EXPORT void
+miInitializeBackingStore (ScreenPtr pScreen)
+{
+    pScreen->SaveDoomedAreas = NULL;
+    pScreen->RestoreAreas = NULL;
+    pScreen->ExposeCopy = NULL;
+    pScreen->TranslateBackingStore = NULL;
+    pScreen->ClearBackingStore = NULL;
+    pScreen->DrawGuarantee = NULL;
+}