[Bug 30538] Touhou 11, 12, and 13 are incredibly slow with Intel, Nouveau, and Nvidia drivers

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=30538

--- Comment #11 from Sagawa <sagawa.aki+winebugs at gmail.com> 2012-05-08 10:18:16 CDT ---
I found a bug in the previous patch. As orig_height is an original screen
height, in full-screen mode, it doesn't return a correct value for the
scan_line member. I'll submit a new patch later.

(In reply to comment #10)
> Is that related to bug 30184?
Probably yes. Polling EDID is partly a slow factor of the query. But it's a
good idea to avoid getting information until display setting is changed.

> Also note that ddraw7_GetScanLine() in ddraw is similar, it should probably
> call wined3d_swapchain_get_raster_status(), although some aspects of the
> ddraw7_GetScanLine() implementation are probably nicer.
Although I've not tested, ddraw7_GetScanLine() seems not to need a swap chain
(= surface). Currently wined3d_swapchain_get_raster_status() requires swap
chain, it's not easy to merge them.

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