[Mesa-dev] [Bug 90130] gl_PrimitiveId seems to reset at 340

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Apr 22 09:01:13 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=90130

--- Comment #11 from Roland Scheidegger <sroland at vmware.com> ---
Well I think there's already piglit tests which test this functionality
(primitive-id-no-gs and similar), but they might not hit it because they only
test a couple of primitives and not that many. Not sure though if they could be
extended to test larger draw calls easily.

I did some very quick hack with the prim assembler (not resetting the prim id
at all when it is run, which is at least as wrong but I think should work with
this example) and it indeed looked quite a bit different. Still not the same as
the comparison image though (circle seemed to have way more segments???)

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