[Bug 11674] Dual-core not being correctly supported in World of Warcraft (WOW)

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=11674

--- Comment #96 from Aigars Mahinovs <aigarius at gmail.com> 2011-04-10 19:20:11 CDT ---
Weird glitch - complete darkness when inside the Skybreaker (Alliance flying
ship in Icecrown Citadel, Northrend). The UI is shown fine, but the world image
is completely black as soon as I am inside the ship and moving along with it.
The blackness does not happen on the top deck or if I am flying stationary
inside the ship but not with it.

Also a question - does the patch allow multiple operations to be queued up? I
am afraid that if it just returns from the function call before the operation
is complete, we can not use the in0game fps counter to measure performance as
you are returning execution back to the code faster than the acutual action
completes. While in fact the actual graphical performance might be worse than
normal. I have now seen instances when the fps counter showed 60+ fps while the
actual redreaw was visually very, very slow.

I have a theory that the inter-thread communication and the accounting might
eat up more resources that waiting for the video card to complete the
operation. But I do not know how to verify that.

If the rGL only allowed one operation in the queue and when you tried a second
operation it would block until the first one is completed, then we'd be able to
trust the in-game fps meter and we'd be able to compare performance better,
IMHO.

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