Stefan Dösinger : wined3d: Refuse to ReleaseDC the wrong DC.
Alexandre Julliard
julliard at wine.codeweavers.com
Thu Aug 23 07:26:03 CDT 2007
Module: wine
Branch: master
Commit: 50c101135c6af901cef2082f542971ce5d9efe26
URL: http://source.winehq.org/git/wine.git/?a=commit;h=50c101135c6af901cef2082f542971ce5d9efe26
Author: Stefan Dösinger <stefan at codeweavers.com>
Date: Tue Aug 14 14:40:33 2007 +0200
wined3d: Refuse to ReleaseDC the wrong DC.
---
dlls/wined3d/surface.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index 7e525c5..2abb277 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -1456,6 +1456,11 @@ HRESULT WINAPI IWineD3DSurfaceImpl_ReleaseDC(IWineD3DSurface *iface, HDC hDC) {
if (!(This->Flags & SFLAG_DCINUSE))
return WINED3DERR_INVALIDCALL;
+ if (This->hDC !=hDC) {
+ WARN("Application tries to release an invalid DC(%p), surface dc is %p\n", hDC, This->hDC);
+ return WINED3DERR_INVALIDCALL;
+ }
+
/* we locked first, so unlock now */
IWineD3DSurface_UnlockRect(iface);
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