[Nouveau] [Bug 96355] Performance: extra&costly SSBO validation even when SSBO aren't used

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96355

--- Comment #6 from gregory.hainaut at gmail.com ---
Thanks you.

I did a quick benchmark of my testcase:

raw GIT 
   => Mean by frame: 32.083336ms (31.168831fps)

GIT + hack to remove the new program flags from SSBO and images
   => Mean by frame: 21.586538ms (46.325169fps)

Note: testcase uses lots of shader bind, so I guess it is kinds of a worst case
for the perf.

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