https://bugs.freedesktop.org/show_bug.cgi?id=29540
Summary: [glsl2] problem with vertex attribute locations and
draw-time validation
Product: Mesa
Version: git
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: Mesa core
AssignedTo: mesa-dev@lists.freedesktop.org
ReportedBy: brian.e.p...@gmail.com
I'm still digging into this one but I want to file the bug now.
Something's different in the new compiler with respect to the layout/allocation
of generic vertex attributes. glGetAttribLocation() is returning different
values than before.
The check at api_validate.c:124 is failing with some shaders so drawing becomes
a no-op. If I disable the array enable checks the rendering appears as it
should. I'm actually not 100% sure that the check there is correct. I need to
review the GL specs.
I don't have a small test case for this yet.
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