[Bug 30330] World of Tanks 0.7.2: game freeze on AMD GPU

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=30330

--- Comment #11 from Henri Verbeet <hverbeet at gmail.com> 2012-04-02 04:22:11 CDT ---
(In reply to comment #10)
> Tanks released version 0.7.2. However, the shader error is a red herring. The
I guess, but the driver is still broken:
> trace:d3d_caps:wined3d_adapter_init_gl_caps Max ARB_VERTEX_SHADER float constants: 256.
> trace:d3d_caps:wined3d_adapter_init_gl_caps Max ARB_FRAGMENT_SHADER float constants: 256.
While the hardware can do 4096 for both of those. Fglrx has had this problem
before, apparently it regressed.

> I quickly removed GL_ARB_sync from the extension map altogether and tried
> again, and found that it worked. I haven't had a chance to test this more than
> once, but I had several failed attempts before I made this change, which
> decreases the likelihood that it was a coincidence.
> 
> I'm attaching a patch that works around the issue by removing support for
> GL_ARB_sync.
I guess GL_ARB_sync is also broken in fglrx then, it seems to have some other
issues with queries as well, like bug 29647.

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