[Mesa-dev] Assertion `key->nr_vertex_elements <= llvm->draw->pt.nr_vertex_elements' failed.

[Thomas Sondergaard]

On 2014-10-14 22:37, Roland Scheidegger wrote:
> On 10/14/2014 01:14 PM, Thomas Sondergaard wrote:
>> using llvmpipe I'm hitting the following assertion in some old code that
>> use glEdgeFlag().
>>
>> src/gallium/auxiliary/draw/draw_llvm.c:1824:draw_llvm_make_variant_key:
>> Assertion `key->nr_vertex_elements <= llvm->draw->pt.nr_vertex_elements'
>> failed.
>>
>> I have captured a trace with apitrace from the program that you can
>> download here:
>>
>> https://urldefense.proofpoint.com/v1/url?u=http://spear.medical-insight.com/~ts/camloader.trace&k=oIvRg1%2BdGAgOoM1BIlLLqw%3D%3D%0A&r=F4msKE2WxRzA%2BwN%2B25muztFm5TSPwE8HKJfWfR2NgfY%3D%0A&m=sKwEyXn7fc%2FNucRx6KesK7QsmLBbFD6UarCJqZpe4M4%3D%0A&s=cce0b92df9c2172c5c13bc70d46d0f3d682252d07880b0e75ec11551de9f634d
>>
>> (size: 286KiB)
>>
>> I can trigger the assertion like this:
>>
>> LD_LIBRARY_PATH=.../mesa/build/linux-x86_64-debug/gallium/targets/libgl-xlib
>>
>> apitrace replay camloader.trace
>>
>> I have reproduced this problem with mesa.git master tonight (commit
>> 742158b51ee981) and with versions of mesa that predates version 10.
>>
>> I hope you can (help me) figure out what is wrong.
>>
>
> I don't think edgeflags ever worked with llvmpipe - there's some piglit
> test which fails since forever though it does not crash. I'm not
> entirely sure how much work it would be to make it work, there's
> probably not that much interest.
>
> Roland

Thanks, I will see if I can fix the old client code not to use edgeflags 
then.

Thanks again,
Thomas