[7.x.x Backport] Fix issue with blocky artifacts when decals affecting metallic are applied on specular color workflow#850

FrancescoC-unity wants to merge 3 commits into7.x.x/hd/stagingUnity-Technologies/Graphics:7.x.x/hd/stagingfrom

7.x.x/hd/fix-blocky-decal-specular-colorUnity-Technologies/Graphics:7.x.x/hd/fix-blocky-decal-specular-colorCopy head branch name to clipboard