[Bug 36090] Outside ground textures in WildStar Online are corrupted

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=36090

Matteo Bruni <matteo.mystral at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |matteo.mystral at gmail.com

--- Comment #8 from Matteo Bruni <matteo.mystral at gmail.com> ---
Created attachment 49781
  --> https://bugs.winehq.org/attachment.cgi?id=49781
Patch

The game fills a 1024x1024 D3DFMT_A4R4G4B4 texture with 65x65 tiles by creating
user-memory textures and then invoking UpdateSurface on them. The patch fixes
the pitch used there and thus the texture upload.

There are two separate changes in the patch. The wined3d_surface_update_desc()
part should be quite obvious. More interesting is the GL_UNPACK_ALIGNMENT part.
Right now that is set once and for all at context creation time to the "native"
alignment of the graphic API (which is generally wrong with user-memory
surfaces). Ideally we could set it to 1 there, any codepath uploading texture
data should arguably take the alignment into account already in the source
pitch anyway.
Does it sound reasonable?

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