[Bug 21154] Overlord 2 Demo crashes during the start up

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=21154





--- Comment #9 from Stefan Dösinger <stefandoesinger at gmx.at>  2010-04-09 16:18:28 ---
This seems like some refcounting problem to me:

0026:warn:d3d:IWineD3DSwapChainImpl_Destroy (0x7339528) Something's still
holding back buffer 0 (0x733b050).

The swapchain this buffer belongs to is not the implicit swapchain. The game
creates it's own, sets the backbuffer as render target and releases the
swapchain. That leaves the surface without a container, and
817714912b59be49ea06251f2b91b959f07c1133 just tripped on the existing error and
shows the crash.

I am sure(although this needs a test) that we're supposed to keep the swapchain
alive if one of it's surfaces is in use, just like we keep textures and buffers
alive that are bound to a stateblock. d3d9 unfortunately doesn't hold a
reference to bound resources, so this is a more complicated mechanism than
simply calling AddRef. I suspect a similar problem arises if we set a texture's
surface as render target and release the texture.

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