[Bug 96992] dEQP-GLES3.functional.shaders.texture_functions.texture.sampler2darrayshadow_vertex fails

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Mar 9 07:36:34 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=96992

Kenneth Graunke <kenneth at whitecape.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |WONTFIX

--- Comment #13 from Kenneth Graunke <kenneth at whitecape.org> ---
I don't think there's anything we can do about this (so, closing as WONTFIX).

Several vendors cannot pass this test using Z16, which is why it was
blacklisted.  The test apparently does ref < (float) depth, whereas some
hardware does (16-bit fixed point) ref < depth.  Comparing Z16 fixed point
values obviously has less precision than comparing IEEE floats...so such
implementations fail the test (but are actually valid).

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