https://bugs.freedesktop.org/show_bug.cgi?id=101709
Bug ID: 101709
Summary: [llvmpipe] piglit gl-1.0-scissor-offscreen regression
Product: Mesa
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Keywords: bisected, regression
Severity: normal
Priority: medium
Component: Mesa core
Assignee: mesa-dev@lists.freedesktop.org
Reporter: v...@freedesktop.org
QA Contact: mesa-dev@lists.freedesktop.org
CC: mar...@gmail.com, nhaeh...@gmail.com
mesa: c5d0dc7fa5566941a49ede8c83a0cfe0a33a3d7f (master 17.2.0-devel)
$ ./bin/gl-1.0-scissor-offscreen -fbo -auto
Probe color at (0,0)
Expected: 1.000000 1.000000 1.000000
Observed: 1.000000 0.000000 0.000000
PIGLIT: {"result": "fail" }
743ad599a97d09b119d26b99f6b79e41b567e421 is the first bad commit
commit 743ad599a97d09b119d26b99f6b79e41b567e421
Author: Marek Olšák <marek.ol...@amd.com>
Date: Wed Jun 14 23:09:24 2017 +0200
st/mesa: don't set 16 scissors and 16 viewports if they're unused
Only do so if there is a shader writing gl_ViewportIndex.
This removes a lot of CPU overhead for the most common case.
Reviewed-by: Nicolai Hähnle <nicolai.haeh...@amd.com>
:040000 040000 34a059a5354c760fe20f6cbf2b6a823bd075f21d
6a4fbdf3efb3fee9902a32873c41449c7b118c0c M src
bisect run success
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