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<body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB 10.4]Piglit spec_ARB_gpu_shader5_arb_gpu_shader5-interpolateAtOffset-nonconst fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89057">bug 89057</a>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB 10.4]Piglit spec_ARB_gpu_shader5_arb_gpu_shader5-interpolateAtOffset-nonconst fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89057#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [IVB 10.4]Piglit spec_ARB_gpu_shader5_arb_gpu_shader5-interpolateAtOffset-nonconst fails"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89057">bug 89057</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>(In reply to Ian Romanick from <a href="show_bug.cgi?id=89057#c1">comment #1</a>)
<span class="quote">> Did the test change? Are you able to bisect from 10.4 to master to see
> where it was "fixed"?</span >
I reset the same test environment, I am unable to reproduce the pass.
test log(pass):
@test: Piglit/spec_ARB_gpu_shader5_arb_gpu_shader5-interpolateAtOffset-nonconst
info: @@@Returncode: 0
test case start at: Sat Feb 7 18:50:09 2015
test case end at: Sat Feb 7 18:50:09 2015
Errors:
libGL: screen 0 does not appear to be DRI3 capable
libGL: pci id for fd 7: 8086:0152, driver i965
libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so
libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so
Dmesg:
Output:
bin/arb_gpu_shader5-interpolateAtOffset-nonconst -auto -fbo
PIGLIT: {"result": "pass" }
Bisect on master branch, 092c73a7c32b240a26ffeab2ee475f6d590540b2 fixed it.
commit 092c73a7c32b240a26ffeab2ee475f6d590540b2
Author: Chris Forbes <<a href="mailto:chrisf@ijw.co.nz">chrisf@ijw.co.nz</a>>
Date: Sun Dec 7 10:12:36 2014 +1300
i965: Fix regs read for FS_OPCODE_INTERP_PER_SLOT_OFFSET
Dead code elimination was eating the Y offset.
Fixes the piglit test:
spec/ARB_gpu_shader5/arb_gpu_shader5-interpolateAtOffset-nonconst
Signed-off-by: Chris Forbes <<a href="mailto:chrisf@ijw.co.nz">chrisf@ijw.co.nz</a>>
Reviewed-by: Jason Ekstrand <<a href="mailto:jason.ekstrand@intel.com">jason.ekstrand@intel.com</a>></pre>
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