This needs to be done. I’m not sure there’s any good workaround without it, unless you start patching the engine code or similar: Custom attributes on material's shader definitions. · Issue #3485 · playcanvas/engine · GitHub
This needs to be done. I’m not sure there’s any good workaround without it, unless you start patching the engine code or similar: Custom attributes on material's shader definitions. · Issue #3485 · playcanvas/engine · GitHub