Blender Hydra Implementation | Failed verification: ' !aovBindings.empty() ' -- No AOV bindings to render into!

[cjhosken]

Hey all! I've tried hooking ArnoldUSD up with Blender and I'm a bit stuck on parsing AOVs into the Delegate. In my Blender Addon I've got the HydraRenderEngine hooked up using this AOV system. This has been taken from the builtin HdStorm Delegate Blender has.

    def get_render_settings(self, engine_type):
        return {
            'aovToken:Combined': "color",
            'aovToken:Depth': "depth",
        }
    
    def update_render_passes(self, scene, render_layer):
        if render_layer.use_pass_z:
            self.register_pass(scene, render_layer, 'Depth', 1, 'Z', 'VALUE')

However, when running the render context, I get:
Coding Error: in _Execute at line 642 of /home/hoske/.btoa/source/libs/render_delegate/render_pass.cpp -- Failed verification: ' !aovBindings.empty() ' -- No AOV bindings to render into!

Would you be able to give any insight on how I'd be able to access the arnoldUSD aovs (is there documentation for it?) as well as other settings for Delegate management.

Thanks in Advance

[autodesk-oss-arnold-bot]

Issue synced internally to ARNOLD-15632