[d3d9] Avoid setting cursor position if we are already at that positiond3d9-cursor-pos

Avoids an infinite loop where we trigger the cursor move window message which calls SetCursorPos and so on and so forth...

Closes #1400

1 files changed, 5 insertions, 0 deletions

diff --git a/src/d3d9/d3d9_cursor.cpp b/src/d3d9/d3d9_cursor.cpp
index ad3903d0..408268c1 100644
--- a/src/d3d9/d3d9_cursor.cpp
+++ b/src/d3d9/d3d9_cursor.cpp
@@ -1,10 +1,15 @@
 #include "d3d9_cursor.h"
+#include "d3d9_util.h"
 
 #include <utility>
 
 namespace dxvk {
 
   void D3D9Cursor::UpdateCursor(int X, int Y) {
+    POINT currentPos = { };
+    if (::GetCursorPos(&currentPos) && currentPos == POINT{ X, Y })
+        return;
+
     ::SetCursorPos(X, Y);
   }