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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW] DOTA world lighting has no effect"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76749#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [HSW] DOTA world lighting has no effect"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76749">bug 76749</a>
from <span class="vcard"><a class="email" href="mailto:olvaffe@gmail.com" title="Chia-I Wu <olvaffe@gmail.com>"> <span class="fn">Chia-I Wu</span></a>
</span></b>
<pre>This is also reproducible on SNB. Several other (probably unrelated) issues
are noticed on SNB when replaying the trace file from which the snapshots were
taken.
commit 9630ba6c6e754b438cf67c7d76ec1c99488df3ba
Author: Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>>
Date: Tue Mar 11 13:14:08 2014 -0700
i965/vec4: Let dead code eliminate trim dead channels.
causes an assertion failure:
glretrace: brw_vec4_generator.cpp:184: void
brw::vec4_generator::generate_math1_gen6(brw::vec4_instruction*, brw_reg,
brw_reg): Assertion `dst.dw1.bits.writemask == 0xf' failed.
commit dc0f5099fa3cb564c25eb892fde93cacd29df8f1
Author: Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>>
Date: Tue Mar 11 13:06:20 2014 -0700
i965/vec4: Track live ranges per-channel, not per vgrf.
causes another assertion failure:
glretrace: brw_vec4.cpp:346: bool brw::vec4_visitor::dead_code_eliminate():
Assertion `this->virtual_grf_end[inst->dst.reg] >= pc' failed.
Finally,
commit 947c828d5cbffe9640ac63103a6223112eeff27f
Author: Matt Turner <<a href="mailto:mattst88@gmail.com">mattst88@gmail.com</a>>
Date: Thu Dec 12 00:30:16 2013 -0800
i965/fs: Add a saturation propagation optimization pass.
causes more lights to have no effect.</pre>
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