Are there any solution to convert GLSL for Substance Painter from Unity Shader?

dragonboy765 · May 18, 2021, 12:02am

Hi! I’m trying to convert GLSL for Substance Painter from Unity Shader (Built-in Shader or URP).

As long as I know, hlsl2glsl is the similar one that I’m looking for.

However this repository is too old to build the solution yet.

FYI: cg2glsl is also similar the solution however I’ll have to convert GLSL from “Properties” and “SubShader” of Unity Shader manually then I don’t adopt it for now.

github.com

libretro/RetroArch/blob/master/tools/cg2glsl.py

#!/usr/bin/env python3

"""
Python 3 script which converts simple RetroArch Cg shaders to modern GLSL (ES) format.
Author: Hans-Kristian Arntzen (Themaister)
License: Public domain
"""

import os
import errno
import subprocess
import sys

if sys.version_info < (3, 0, 0):
    sys.stderr.write("You need python 3.0 or later to run this script\n")
    exit(1)

batch_mode = False

def log(*arg):

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Even though I can built and convert to GLSL from Unity Shader (Built-in Shader) by hlsl2glsl
I additionally have to convert the GLSL for Substance Painter from the GLSL using Substance Painter Shader API.

So I will have to do at least 2 steps to achieve my goal but I can’t yet due to the above reason.

Could you please tell me how to convert GLSL for Substance Painter from Unity shader if you have the solution?

Thanks in advance,

Ryu