wined3d: Refuse to ReleaseDC the wrong DC.

50c10113 · Stefan Dösinger · Alexandre Julliard · ea283d3c · 50c10113
Commit 50c10113 authored Aug 14, 2007 by Stefan Dösinger Committed by Alexandre Julliard Aug 23, 2007
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surface.c dlls/wined3d/surface.c +5 -0

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--- 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);