From 92c3768a486e5e8c779833764513318634a03664 Mon Sep 17 00:00:00 2001
From: OBattler <oubattler@gmail.com>
Date: Tue, 7 Jun 2022 19:01:50 +0200
Subject: [PATCH] Added two missing checks to the QT renderer.

---
 src/qt/qt_rendererstack.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/qt/qt_rendererstack.cpp b/src/qt/qt_rendererstack.cpp
index cafba579b..576e675b5 100644
--- a/src/qt/qt_rendererstack.cpp
+++ b/src/qt/qt_rendererstack.cpp
@@ -351,7 +351,7 @@ RendererStack::createRenderer(Renderer renderer)
 void
 RendererStack::blit(int x, int y, int w, int h)
 {
-    if ((w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || imagebufs.empty() || std::get<std::atomic_flag *>(imagebufs[currentBuf])->test_and_set()) {
+    if ((x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || imagebufs.empty() || std::get<std::atomic_flag *>(imagebufs[currentBuf])->test_and_set()) {
         video_blit_complete();
         return;
     }