From 536fce7f3b887fcc087d4c00106ceb2f0ff93c01 Mon Sep 17 00:00:00 2001 From: Matteo Bruni Date: Fri, 27 Sep 2019 20:40:04 +0200 Subject: [PATCH] d3dx9: Don't pass the D3DLOCK_DISCARD flag when mapping a texture. We aren't necessarily rewriting the whole surface (e.g. rect smaller than the whole surface, color key). Signed-off-by: Matteo Bruni Signed-off-by: Alexandre Julliard --- dlls/d3dx9_36/surface.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/dlls/d3dx9_36/surface.c b/dlls/d3dx9_36/surface.c index 5665bdc3b46..bd2055d54d1 100644 --- a/dlls/d3dx9_36/surface.c +++ b/dlls/d3dx9_36/surface.c @@ -209,7 +209,7 @@ HRESULT lock_surface(IDirect3DSurface9 *surface, const RECT *surface_rect, D3DLO DWORD lock_flag; HRESULT hr; - lock_flag = write ? D3DLOCK_DISCARD : D3DLOCK_READONLY; + lock_flag = write ? 0 : D3DLOCK_READONLY; *temp_surface = NULL; if (FAILED(hr = IDirect3DSurface9_LockRect(surface, lock, surface_rect, lock_flag))) {