[Bug 22478] Major performance drop in King's Bounty games with shadows enabled

wine-bugs at winehq.org wine-bugs at winehq.org
Tue Apr 27 06:02:32 CDT 2010


http://bugs.winehq.org/show_bug.cgi?id=22478





--- Comment #11 from Roderick Colenbrander <thunderbird2k at gmail.com>  2010-04-27 06:02:32 ---
Yesterday I looked at this issue with GyB on IRC. On his system there is really
a performance drop related to this patch. I have also checked behavior on my
Radeon 3450 based laptop but the game is unplayable there (I guess less than
5fps).

The console is flooded with:
fixme:d3d_surface:IWineD3DBaseSurfaceImpl_Blt Filters not supported in software
blit

When you look at the +d3d_surface log the reason is:
trace:d3d_surface:IWineD3DSurfaceImpl_BltOverride No surface is render target,
not using hardware blit. Src = 0x5e47a20, dst = 0x21df58

Because of this a gpu -> cpu copy is performed followed by an upload and the
game is doing this constantly. Before looking back at ClearSurface I will try
to solve this issue (perhaps using a hack for now) as perhaps this is the real
issue.

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