From 3334fb8752bb1e5dd40d8fa9969c8ba24d2547b8 Mon Sep 17 00:00:00 2001
From: Xaver Hugl <xaver.hugl@gmail.com>
Date: Mon, 20 Feb 2023 16:22:24 +0100
Subject: [PATCH] cursordelgate: round cursor position when rendering

Otherwise there can be weird artifacts when screen scaling is involved
---
 src/cursordelegate_opengl.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/cursordelegate_opengl.cpp b/src/cursordelegate_opengl.cpp
index 392ce6df2d..e4ba065da8 100644
--- a/src/cursordelegate_opengl.cpp
+++ b/src/cursordelegate_opengl.cpp
@@ -13,6 +13,8 @@
 #include "kwinglutils.h"
 #include "scene/cursorscene.h"
 
+#include <cmath>
+
 namespace KWin
 {
 
@@ -48,7 +50,7 @@ void CursorDelegateOpenGL::paint(RenderTarget *renderTarget, const QRegion &regi
 
     QMatrix4x4 mvp;
     mvp.ortho(QRect(QPoint(0, 0), renderTarget->size()));
-    mvp.translate(cursorRect.x() * scale, cursorRect.y() * scale);
+    mvp.translate(std::round(cursorRect.x() * scale), std::round(cursorRect.y() * scale));
 
     GLFramebuffer *fbo = std::get<GLFramebuffer *>(renderTarget->nativeHandle());
     GLFramebuffer::pushFramebuffer(fbo);