From 9b05dc1b4c44849a3c23e67381dd7c2f311b4ee3 Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Sat, 4 Apr 2026 19:07:39 +0100
Subject: [PATCH] render/decoration: cache input extents as well

---
 src/render/decorations/DecorationPositioner.cpp | 13 +++++--------
 src/render/decorations/DecorationPositioner.hpp | 13 +++++++------
 2 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/src/render/decorations/DecorationPositioner.cpp b/src/render/decorations/DecorationPositioner.cpp
index 27da0f4ad..4c373925f 100644
--- a/src/render/decorations/DecorationPositioner.cpp
+++ b/src/render/decorations/DecorationPositioner.cpp
@@ -358,21 +358,18 @@ SBoxExtents CDecorationPositioner::computeWindowDecorationExtents(PHLWINDOWREF p
 }
 
 SBoxExtents CDecorationPositioner::getWindowDecorationExtents(PHLWINDOWREF pWindow, bool inputOnly) {
-    // inputOnly is rare (input handling), skip the cache for it
-    if (inputOnly)
-        return computeWindowDecorationExtents(pWindow, true);
-
     const auto WIT = std::ranges::find_if(m_windowDatas, [&](const auto& other) { return other.first.lock() == pWindow; });
     if (WIT == m_windowDatas.end())
-        return computeWindowDecorationExtents(pWindow, false);
+        return computeWindowDecorationExtents(pWindow, inputOnly);
 
     auto& wd = WIT->second;
     if (wd.needsDamageExtents) {
-        wd.decorationExtents  = computeWindowDecorationExtents(pWindow, false);
-        wd.needsDamageExtents = false;
+        wd.decorationExtents      = computeWindowDecorationExtents(pWindow, false);
+        wd.decorationInputExtents = computeWindowDecorationExtents(pWindow, true);
+        wd.needsDamageExtents     = false;
     }
 
-    return wd.decorationExtents;
+    return inputOnly ? wd.decorationInputExtents : wd.decorationExtents;
 }
 
 CBox CDecorationPositioner::getBoxWithIncludedDecos(PHLWINDOW pWindow) {
diff --git a/src/render/decorations/DecorationPositioner.hpp b/src/render/decorations/DecorationPositioner.hpp
index ccd148dd2..99168c102 100644
--- a/src/render/decorations/DecorationPositioner.hpp
+++ b/src/render/decorations/DecorationPositioner.hpp
@@ -80,12 +80,13 @@ class CDecorationPositioner {
     };
 
     struct SWindowData {
-        Vector2D    lastWindowSize     = {};
-        SBoxExtents reserved           = {};
-        SBoxExtents extents            = {};
-        SBoxExtents decorationExtents  = {};
-        bool        needsRecalc        = false;
-        bool        needsDamageExtents = true;
+        Vector2D    lastWindowSize          = {};
+        SBoxExtents reserved                = {};
+        SBoxExtents extents                 = {};
+        SBoxExtents decorationExtents       = {};
+        SBoxExtents decorationInputExtents  = {};
+        bool        needsRecalc             = false;
+        bool        needsDamageExtents      = true;
     };
 
     std::map<PHLWINDOWREF, SWindowData>     m_windowDatas;