softplus vulkan shader

[futz12]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.50%. Comparing base (e5639d3) to head (1ac0f4d).
⚠️ Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6478      +/-   ##
==========================================
+ Coverage   93.28%   93.50%   +0.22%     
==========================================
  Files         842      783      -59     
  Lines      265270   247398   -17872     
==========================================
- Hits       247450   231335   -16115     
+ Misses      17820    16063    -1757     

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[tencent-adm]

Thank you for your submission, we really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ futz12
❌ nihui
_{You have signed the CLA already but the status is still pending? Let us recheck it.}