[Nouveau] [Bug 61635] glVertexAttribPointer(id, GL_UNSIGNED_BYTE, GL_FALSE, ...) does not work

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61635

--- Comment #3 from Emil Velikov <emil.l.velikov at gmail.com> ---
(In reply to comment #2)
> Thank, Emil, for your quick reply!
> 
> I've just tried this patch... The good news it that it no longer corrupts
> the render, and no output to the dmesg, either. The bad news is that it
> still does not work correctly.
> 
> This is what happens with the patched applied:
> 
> I'm sending a vertex attribute array with the same byte value for all the
> vertices, and this value is used to calculate the colour of the vertex, so I
> expect it to render a solid colour. The actual output is that most vertices
> are rendered black (input 0) with just a few of them of random colours,
> changing with each frame.
> 

I was afraid of that. It looks like the original define was a bit off, although
obviously this is not the correct one either.

Someone with an actual nv4x card and better understanding of OpenGL than me
should take a look and reverse-engineer the (remaining) format(s)


> Weird...
> 
> If you think it could be useful I can try to extract the code into a small
> compilable test case...

That's always a good idea :)

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