[Bug 86755] [gen7][gen8] glmark2 -b jellyfish misrendered

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86755

Samuel Iglesias <siglesias at igalia.com> changed:

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--- Comment #7 from Samuel Iglesias <siglesias at igalia.com> ---
Created attachment 113982
  --> https://bugs.freedesktop.org/attachment.cgi?id=113982&action=edit
glmark2 jellyfish vertex shader patch

I confirm that this is happening in SNB (gen6) too.

I modified the jellyfish vertex shader (attached patch) to have the sin()
function argument to be within the range of [0, 2*PI) radians by using the
modulo operation. In this case, it renders fine.

I think this is the same problem explained here:

http://lists.freedesktop.org/archives/mesa-dev/2014-December/072429.html

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