From c61389d105bc5e5083df241928cfc4f79cc72064 Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Thu, 2 May 2024 05:53:29 +0200
Subject: [PATCH] remove unnecessary clears on flip

---
 src/ddsurface.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ddsurface.c b/src/ddsurface.c
index d7176c280d..ba7a5f1660 100644
--- a/src/ddsurface.c
+++ b/src/ddsurface.c
@@ -762,7 +762,7 @@ HRESULT dds_Flip(IDirectDrawSurfaceImpl* This, IDirectDrawSurfaceImpl* lpDDSurfa
         InterlockedExchangePointer((void*)&backbuffer->hdc, dc);
         InterlockedExchangePointer(&backbuffer->mapping, map);
 
-        if (g_config.flipclear)
+        if (g_config.flipclear && (This->caps & DDSCAPS_PRIMARYSURFACE))
         {
             blt_clear(buf, 0, backbuffer->size);
         }