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Fixed in SF 1.32
It's strange how it seems like they simply removed the "opengl" one and replaced it with "glcore" rather stealthily! Getting this fixed now
I'll fix this asap, thanks for finding it!
SF won't have support for surface shaders, simply because it offers less flexibility
What if you remove all lines that has #pragma only_renderers from a shader?
Not sure if a video would help I'm afraid - thanks though! Any errors/warnings in the console? What is your current platform in the build settings?
What does it say in the shader code on the line that starts with #pragma only_renderers ?
Strange. What happens if you open them with SF? Do they stay broken? Also, check their platform settings in SF
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Fixed in SF 1.32