wined3d: Register a window only once.

9a1fddb0 · Henri Verbeet · Alexandre Julliard · 2b0684c5 · 9a1fddb0
Commit 9a1fddb0 authored Nov 10, 2010 by Henri Verbeet Committed by Alexandre Julliard Nov 10, 2010
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wined3d_main.c dlls/wined3d/wined3d_main.c +7 -0

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--- a/dlls/wined3d/wined3d_main.c
+++ b/dlls/wined3d/wined3d_main.c
@@ -422,6 +422,13 @@ BOOL wined3d_register_window(HWND window, IWineD3DDeviceImpl *device)

    wined3d_mutex_lock();

+    if (wined3d_find_wndproc(window))
+    {
+        wined3d_mutex_unlock();
+        WARN("Window %p is already registered with wined3d.\n", window);
+        return TRUE;
+    }
+
    if (wndproc_table.size == wndproc_table.count)
    {
        unsigned int new_size = max(1, wndproc_table.size * 2);