https://bugs.freedesktop.org/show_bug.cgi?id=41787
Roland Scheidegger changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #18 from José Fonseca ---
Created attachment 69328
--> https://bugs.freedesktop.org/attachment.cgi?id=69328&action=edit
stencil-802-intel
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https://bugs.freedesktop.org/show_bug.cgi?id=41787
José Fonseca changed:
What|Removed |Added
Attachment #52585|0 |1
is obsolete|
https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #16 from José Fonseca ---
I spent sometime today looking at this.
I modified glretrace to dump the stencil buffer instead of color buffer:
$ git diff
diff --git a/retrace/glstate_images.cpp b/retrace/glstate_images.cpp
index e534a65.
https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #15 from Brian Paul 2011-10-20 07:14:10 PDT ---
I'm not 100% sure it's the same issue either, actually. But note that I didn't
try to reproduce the trace's projection parameters or object coordinates. If I
duplicated those params/co
https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #14 from José Fonseca 2011-10-20 06:40:29 PDT
---
Brian,
I see the stray pixels with your example here, but I'm not sure if it is the
same issue.
See the attached screenshots of the trace at call 837, with llvmpipe and fglrx,
and a
https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #13 from José Fonseca 2011-10-20 06:33:13 PDT
---
Created attachment 52587
--> https://bugs.freedesktop.org/attachment.cgi?id=52587
000837.diff.png
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https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #12 from José Fonseca 2011-10-20 06:32:47 PDT
---
Created attachment 52586
--> https://bugs.freedesktop.org/attachment.cgi?id=52586
000837.llvmpipe.png
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https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #11 from José Fonseca 2011-10-20 06:32:09 PDT
---
Created attachment 52585
--> https://bugs.freedesktop.org/attachment.cgi?id=52585
000837.fglrx.png
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--- Comment #10 from Brian Paul 2011-10-17 16:56:13 PDT ---
Created attachment 52451
--> https://bugs.freedesktop.org/attachment.cgi?id=52451
glut test program
Jose, I extracted some of the commands from the trace into a glut test harness
and
https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #9 from José Fonseca 2011-10-16 07:14:23 PDT
---
Oh, and I'm not sure if this is depth fighting, or culling. Because the edges
of the shadows are visible and apparently correct.
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--- Comment #8 from José Fonseca 2011-10-16 07:13:18 PDT
---
I did find my old patch but it fixed nothing. I'd really like to fix this, but
there seems to be something very broken with depth in llvmpipe, that goes
beyond the precision lost due
https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #7 from José Fonseca 2011-10-14 11:16:26 PDT
---
It looks like some sort of depth fighting.
It might be related to fbo-depth-sample-compare
I know that at least the llvmpipe should snap interpolated fragment Z to the
depth buffer p
https://bugs.freedesktop.org/show_bug.cgi?id=41787
--- Comment #6 from Lauri Kasanen 2011-10-14 10:50:40
PDT ---
hm, hit the size limit. Link:
http://kiwi6.com/file/g9064pv6ps
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--- Comment #5 from Lauri Kasanen 2011-10-14 10:47:56
PDT ---
Attaching the apitrace output. glretrace'd it with both softpipe and llvmpipe,
results are the same as with the actual app.
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--- Comment #4 from Brian Paul 2011-10-14 09:01:36 PDT ---
Just FYI, I tried some conformance and piglit stencil tests and they all passed
with llvmpipe. If it's a stencil bug, it's probably something slightly
obscure.
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José Fonseca changed:
What|Removed |Added
CC||jfons...@vmware.com
--- Comment #3 from J
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--- Comment #2 from Lauri Kasanen 2011-10-14 05:09:55
PDT ---
Apologies, not a 7.11 regression afterall - llvmpipe's broken on 7.11 too.
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--- Comment #1 from Lauri Kasanen 2011-10-14 04:27:52
PDT ---
Created an attachment (id=52331)
--> (https://bugs.freedesktop.org/attachment.cgi?id=52331)
git softpipe
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