Re: [1/6] WineD3D: Only glBindAttribLocation used attributes

[1/6] WineD3D: Only glBindAttribLocation used attributes

[Stefan Dösinger]

Am Donnerstag, 8. November 2007 20:12:48 schrieb Mirek Slugeň:
> Hi, there is big performance drop in some games (NFS ProStreet) with your
> latest patches (exactly this set), do you know why? Should I do some
> regression testing and find critical patch?

A regression test would be nice indeed.

[1/6] WineD3D: Only glBindAttribLocation used attributes

[Stefan Dösinger]

Am Donnerstag, 8. November 2007 22:54:49 schrieb Mirek Slugeň:
> Stefan Dösinger napsal(a):
>  It is caused by those patches (they depends on each other):
>
> [2/6] WineD3D: Make pixel shader input an array
>  [3/6] WineD3D: Pixel Shader varying indexing
>  [4/6] WineD3D: Add a max varyings member to the gl info structure
>  [5/6] WineD3D: Handle ps 3.0 varyings in a different way
>
> You can easily test performance with Nvidia SDK demo
> AntiAliasingWithTransparency.exe not every game or application is affected
> by this regression. Every affected application is using PS 3.0 (NFS
> ProStreet, Call of Duty 4, Unreal Tournament 3).

I guess only the last patch finally "activates" the slowdown, right? It sounds 
like a fallback to software rendering by the driver. I thought the driver's 
shader optimizer can sort out issues like that, apparently this is not the 
case everywhere. What GPU do you have?

[1/6] WineD3D: Only glBindAttribLocation used attributes

[Stefan Dösinger]

Am Donnerstag, 8. November 2007 22:54:49 schrieb Mirek Slugeň:
> You can easily test performance with Nvidia SDK demo
> AntiAliasingWithTransparency.exe not every game or application is affected
> by this regression. Every affected application is using PS 3.0 (NFS
> ProStreet, Call of Duty 4, Unreal Tournament 3).

I found the problem, patch sent. Thanks for the constant testing work.