From 655c01934043d9dc8c11457f3028f7b74cfd932c Mon Sep 17 00:00:00 2001
From: Alex Hirsch <w4rh4wk@bluephoenix.at>
Date: Wed, 25 Jan 2023 16:23:57 +0100
Subject: [PATCH] Win32: Prevent white window background during initialization

---
 src/win32_window.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/src/win32_window.c b/src/win32_window.c
index 676640bf..e83a0e70 100644
--- a/src/win32_window.c
+++ b/src/win32_window.c
@@ -1122,11 +1122,6 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
             break;
         }
 
-        case WM_ERASEBKGND:
-        {
-            return TRUE;
-        }
-
         case WM_NCACTIVATE:
         case WM_NCPAINT:
         {
@@ -1265,6 +1260,7 @@ static int createNativeWindow(_GLFWwindow* window,
         wc.lpfnWndProc   = windowProc;
         wc.hInstance     = _glfw.win32.instance;
         wc.hCursor       = LoadCursorW(NULL, IDC_ARROW);
+        wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);
 #if defined(_GLFW_WNDCLASSNAME)
         wc.lpszClassName = _GLFW_WNDCLASSNAME;
 #else