Validate only when redshift renderer is used

client/ayon_core/hosts/maya/plugins/publish/validate_current_renderlayer_renderable.py

@@ -36,6 +36,12 @@ class ValidateCurrentRenderLayerIsRenderable(pyblish.api.ContextPlugin,
         if not context_plugin_should_run(self, context):
             return
 
+        # This validator only makes sense when publishing renderlayer instances
+        # with Redshift. We skip validation if there isn't any.
+        if not any(self.is_active_redshift_render_instance(instance)
+                   for instance in context):
+            return
+
         cameras = cmds.ls(type="camera", long=True)
         renderable = any(c for c in cameras if cmds.getAttr(c + ".renderable"))
         if not renderable:
@@ -47,3 +53,22 @@ class ValidateCurrentRenderLayerIsRenderable(pyblish.api.ContextPlugin,
                 ),
                 description=inspect.getdoc(self)
             )
+
+    @staticmethod
+    def is_active_redshift_render_instance(instance) -> bool:
+        """Return whether instance is an active renderlayer instance set to
+        render with Redshift renderer."""
+        if not instance.data.get("active", True):
+            return False
+
+        # Check this before families just because it's a faster check
+        if not instance.data.get("renderer") == "redshift":
+            return False
+
+        families = set()
+        families.add(instance.data.get("family"))
+        families.update(instance.data.get("families", []))
+        if "renderlayer" not in families:
+            return False
+
+        return True