From 41a75f01cc5b02c015d10699f3666c06fab3accd Mon Sep 17 00:00:00 2001
From: "Enrico Weigelt, metux IT consult" <info@metux.net>
Date: Wed, 26 Feb 2025 17:57:26 +0100
Subject: [PATCH] Revert "mi: drop obsolete miOverlayGetPrivateClips()"

This reverts commit 2c21824ee96daf3db8025c8bbe1210050dd67a13.

Requested by Nvidia - their proprietary driver still needs it.

Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net>
Part-of: <https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/1843>
---
 mi/mioverlay.c | 18 ++++++++++++++++++
 mi/mioverlay.h |  5 +++++
 2 files changed, 23 insertions(+)

diff --git a/mi/mioverlay.c b/mi/mioverlay.c
index 38c57ecaf..33ed8ed19 100644
--- a/mi/mioverlay.c
+++ b/mi/mioverlay.c
@@ -103,6 +103,24 @@ miOverlaySetRootClip(ScreenPtr pScreen, Bool enable)
 
 /****************************************************************/
 
+/* not used */
+Bool
+miOverlayGetPrivateClips(WindowPtr pWin,
+                         RegionPtr *borderClip, RegionPtr *clipList)
+{
+    miOverlayTreePtr pTree = MIOVERLAY_GET_WINDOW_TREE(pWin);
+
+    if (pTree) {
+        *borderClip = &(pTree->borderClip);
+        *clipList = &(pTree->clipList);
+        return TRUE;
+    }
+
+    *borderClip = *clipList = NULL;
+
+    return FALSE;
+}
+
 Bool
 miOverlayCopyUnderlay(ScreenPtr pScreen)
 {
diff --git a/mi/mioverlay.h b/mi/mioverlay.h
index 2bd9d90cb..f99888300 100644
--- a/mi/mioverlay.h
+++ b/mi/mioverlay.h
@@ -9,6 +9,11 @@
 typedef void (*miOverlayTransFunc) (ScreenPtr, int, BoxPtr);
 typedef Bool (*miOverlayInOverlayFunc) (WindowPtr);
 
+extern _X_EXPORT Bool
+
+miOverlayGetPrivateClips(WindowPtr pWin,
+                         RegionPtr *borderClip, RegionPtr *clipList);
+
 extern _X_EXPORT Bool miOverlayCollectUnderlayRegions(WindowPtr, RegionPtr *);
 extern _X_EXPORT void miOverlayComputeCompositeClip(GCPtr, WindowPtr);
 extern _X_EXPORT Bool miOverlayCopyUnderlay(ScreenPtr);