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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Wrong and unstable image rendering from GLSL fragment shaders"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99919#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Wrong and unstable image rendering from GLSL fragment shaders"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99919">bug 99919</a>
from <span class="vcard"><a class="email" href="mailto:imirkin@alum.mit.edu" title="Ilia Mirkin <imirkin@alum.mit.edu>"> <span class="fn">Ilia Mirkin</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=129905" name="attach_129905" title="apitrace of variant shader">attachment 129905</a> <a href="attachment.cgi?id=129905&action=edit" title="apitrace of variant shader">[details]</a></span>
apitrace of variant shader
For convenience, attaching a trace of the variant.
Very surprising that this breaks... the diff between shaders is
--- large-v100-webgl-9803840f5a05935c_inv_variant_77/original.frag
2017-02-23 05:18:29.000000000 -0500
+++ large-v100-webgl-9803840f5a05935c_inv_variant_77/variant.frag
2017-02-23 05:18:58.000000000 -0500
@@ -67,12 +70,18 @@
}
else
{
+ for(int i = 0; i < 1; i++) {
if((s2.x < s1.x || s1.x <= 0.0) && s2.x > 0.0)
{
hd.c = ca.y;
+ if(injectionSwitch.x > injectionSwitch.y)
+ {
+ break;
+ }
hd.d = s2.x;
hd.n = s2.yzw;
}
+ }
}
return hd;
}
(and injectionSwitch is set to 0,1 so that should never be true)
Tested on a SKL GT2, so it's not just some weird SNB problem.</pre>
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