[Mesa-dev] [Bug 81174] Gallium: GL_LINE_LOOP broken with more than 512 points

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81174

--- Comment #5 from Florian Link <florianlink at gmail.com> ---
I had a look at the code and it looks like the problem is that
the data is collected in a VBO in file:

vbo_save_api.c

and if the VBO_SAVE_BUFFER_SIZE is exhausted, the buffer is drawn as
a line loop, even if the line loop is not yet finished.

I guess the correct fix would be to only draw a GL_LINE_STRIP for all overflow
related draws, but I guess the problem is where the first vertex for line
closing should be cached, since it will be gone with the first overflow.

I don't understand the code well enough to be able to fix this.

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