[Bug 79534] glb2.7 renders garbage

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79534

Tapani Pälli <lemody at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #100279|0                           |1
        is obsolete|                            |

--- Comment #4 from Tapani Pälli <lemody at gmail.com> ---
Created attachment 100355
  --> https://bugs.freedesktop.org/attachment.cgi?id=100355&action=edit
workaround

A bit more debugging update, the failure comes when using opcode
SHADER_OPCODE_TEX, fs_visitor has different functions for gen7 and gen5 for
emitting these. gen7 sets some payload with instruction so it never calls the
same constructor and is not affected.

Attached workaround fixes the problem by doing same exact thing for opcode
SHADER_OPCODE_TEX that happened before the change. I will continue to
investigate possible better fix.

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