xfree86: shadowfb: move public SDK headers into include/

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>

include/meson.build

@@ -498,6 +498,7 @@ if build_xorg
             'scrnintstr.h',
             'servermd.h',
             'shadow.h',
+            'shadowfb.h',
             'syncsdk.h',
             'validate.h',
             'displaymode.h',

include/shadowfb.h

@@ -0,0 +1,39 @@
+
+#ifndef _SHADOWFB_H
+#define _SHADOWFB_H
+
+#include "xf86str.h"
+
+/*
+ * User defined callback function.  Passed a pointer to the ScrnInfo struct,
+ * the number of dirty rectangles, and a pointer to the first dirty rectangle
+ * in the array.
+ */
+typedef void (*RefreshAreaFuncPtr) (ScrnInfoPtr, int, BoxPtr);
+
+/*
+ * ShadowFBInit initializes the shadowfb subsystem.  refreshArea is a pointer
+ * to a user supplied callback function.  This function will be called after
+ * any operation that modifies the framebuffer.  The newly dirtied rectangles
+ * are passed to the callback.
+ *
+ * Returns FALSE in the event of an error.
+ */
+extern _X_EXPORT Bool
+ ShadowFBInit(ScreenPtr pScreen, RefreshAreaFuncPtr refreshArea);
+
+/*
+ * ShadowFBInit2 is a more featureful refinement of the original shadowfb.
+ * ShadowFBInit2 allows you to specify two callbacks, one to be called
+ * immediately before an operation that modifies the framebuffer, and another
+ * to be called immediately after.
+ *
+ * Returns FALSE in the event of an error
+ */
+extern _X_EXPORT Bool
+
+ShadowFBInit2(ScreenPtr pScreen,
+              RefreshAreaFuncPtr preRefreshArea,
+              RefreshAreaFuncPtr postRefreshArea);
+
+#endif                          /* _SHADOWFB_H */