softplus vulkan shader

[futz12]

No description provided.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.28%. Comparing base (4ea7bfc) to head (578c2a6).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6478      +/-   ##
==========================================
+ Coverage   92.70%   93.28%   +0.58%     
==========================================
  Files         809      745      -64     
  Lines      255710   238405   -17305     
==========================================
- Hits       237050   222398   -14652     
+ Misses      18660    16007    -2653     

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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.}