From 2ebee217b542ec007df7caa48b7f28e89eeff69e Mon Sep 17 00:00:00 2001
From: Cacodemon345 <wahil1976@outlook.com>
Date: Wed, 10 Aug 2022 11:10:54 +0600
Subject: [PATCH] qt_d3d9renderer: Clear screen backbuffer at each render

---
 src/qt/qt_d3d9renderer.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/qt/qt_d3d9renderer.cpp b/src/qt/qt_d3d9renderer.cpp
index 96718a4a2..b4269d2e7 100644
--- a/src/qt/qt_d3d9renderer.cpp
+++ b/src/qt/qt_d3d9renderer.cpp
@@ -108,6 +108,7 @@ void D3D9Renderer::paintEvent(QPaintEvent *event)
     dstRect.left = destination.left();
     dstRect.right = destination.right();
     d3d9dev->BeginScene();
+    d3d9dev->Clear(0, nullptr, D3DCLEAR_TARGET, 0xFF000000, 0, 0);
     while (surfaceInUse) {}
     surfaceInUse = true;
     d3d9dev->StretchRect(d3d9surface, &srcRect, backbuffer, &dstRect, video_filter_method == 0 ? D3DTEXF_POINT : D3DTEXF_LINEAR);