Metal debug lines

[stefankarschti]

Use the polyline generator to create triangulated lines for tile borders in Metal.

Ref: #1855

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (b99b833) 85.73% compared to head (30a5caa) 85.75%.
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1888      +/-   ##
==========================================
+ Coverage   85.73%   85.75%   +0.02%     
==========================================
  Files         568      568              
  Lines       28027    28026       -1     
==========================================
+ Hits        24029    24034       +5     
+ Misses       3998     3992       -6     

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[github-actions]

Bloaty Results 🐋

Compared to main

    FILE SIZE        VM SIZE    
 --------------  -------------- 
  +0.0% +4.58Ki  +0.0% +1.70Ki    TOTAL

Full report: https://maplibre-native.s3.eu-central-1.amazonaws.com/bloaty-results/pr-1888-compared-to-main.txt

Compared to d387090 (legacy)

    FILE SIZE        VM SIZE    
 --------------  -------------- 
   +19% +22.1Mi  +403% +24.1Mi    TOTAL

Full report: https://maplibre-native.s3.eu-central-1.amazonaws.com/bloaty-results/pr-1888-compared-to-legacy.txt

[stefankarschti]

Should we enable this for both platforms or just for Metal?

[sjg-wdw]

Rather use the GL lines on GL if we can.

[alexcristici]

Nice! 👍

Before:

After: