From b184c643961e3a0361835268b66aa5b440460c72 Mon Sep 17 00:00:00 2001
From: splidje <jonathan.hearn@ajptechnical.com>
Date: Tue, 19 May 2026 16:17:56 +0100
Subject: [PATCH 1/2] [opencue_requires_gpu] (it rhymes) Added checkbox to
 write node `requires_gpu` as a shortcut to setting the OpenCue publish
 attribute, so "Render On Farm" button picks it up.

---
 client/ayon_nuke/api/lib.py      | 33 ++++++++++++++++++++++++++++++++
 client/ayon_nuke/api/pipeline.py |  4 ++++
 client/ayon_nuke/api/plugin.py   | 10 ++++++++++
 3 files changed, 47 insertions(+)

diff --git a/client/ayon_nuke/api/lib.py b/client/ayon_nuke/api/lib.py
index f20d0d57aa..2bf13f7d71 100644
--- a/client/ayon_nuke/api/lib.py
+++ b/client/ayon_nuke/api/lib.py
@@ -48,6 +48,7 @@
 from ayon_core.pipeline.colorspace import (
     get_current_context_imageio_config_preset
 )
+from ayon_core.pipeline.create import CreateContext
 from ayon_core.resources import get_ayon_icon_filepath
 
 from .gizmo_menu import GizmoMenu
@@ -1293,6 +1294,11 @@ def create_write_node(
     # adding clear rendered button
     add_button_clear_rendered(GN)
 
+    if data.get("render_on_farm", False):
+        requires_gpu_knob = nuke.Boolean_Knob("requires_gpu", "Requires GPU")
+        GN.addKnob(requires_gpu_knob)
+        requires_gpu_knob.setFlag(nuke.STARTLINE)
+
     # set tile color
     tile_color = next(
         iter(
@@ -1311,6 +1317,33 @@ def create_write_node(
     return GN
 
 
+def group_node_knob_changed():
+    requires_gpu_knob = nuke.thisKnob()
+    if requires_gpu_knob.name() != "requires_gpu":
+        return
+
+    instance_id = get_node_data(nuke.thisNode(), INSTANCE_DATA_KNOB).get("instance_id")
+    if not instance_id:
+        return
+    
+    with nuke.Root():
+        create_context = CreateContext(registered_host())
+        instance = create_context.instances_by_id.get(instance_id)
+    if not instance:
+        return
+    
+    collect_opencue_layer_args = instance.publish_attributes.get("CollectOpenCueLayerArgs")
+    if not collect_opencue_layer_args:
+        return
+    
+    requires_gpu = requires_gpu_knob.value()
+    if collect_opencue_layer_args.get("requires_gpu") == requires_gpu:
+        return
+    
+    collect_opencue_layer_args["requires_gpu"] = requires_gpu
+    create_context.save_changes()
+
+
 def set_node_knobs_from_settings(node, knob_settings, **kwargs):
     """Overriding knob values from settings
 
diff --git a/client/ayon_nuke/api/pipeline.py b/client/ayon_nuke/api/pipeline.py
index dec42e71de..714024363d 100644
--- a/client/ayon_nuke/api/pipeline.py
+++ b/client/ayon_nuke/api/pipeline.py
@@ -58,6 +58,7 @@
     dirmap_file_name_filter,
     add_scripts_menu,
     add_scripts_gizmo,
+    group_node_knob_changed,
     get_node_data,
     set_node_data,
     MENU_LABEL,
@@ -196,6 +197,9 @@ def add_nuke_callbacks(project_settings: dict = None):
         # Add dirmap for file paths.
         nuke.addFilenameFilter(dirmap_file_name_filter)
 
+    # add callback for opencue requires gpu knob
+    nuke.addKnobChanged(group_node_knob_changed, nodeClass="Group")
+
     log.info("Added Nuke callbacks ...")
 
 
diff --git a/client/ayon_nuke/api/plugin.py b/client/ayon_nuke/api/plugin.py
index c15b2ad88d..9e2ff88d68 100644
--- a/client/ayon_nuke/api/plugin.py
+++ b/client/ayon_nuke/api/plugin.py
@@ -405,6 +405,16 @@ def update_instances(self, update_list):
             # ensure was not deleted by super()
             if self.create_context.get_instance_by_id(created_inst.id):
                 self._update_write_node_filepath(created_inst, changes)
+            requires_gpu = (
+                "publish_attributes" in (changes.changed_keys - changes.removed_keys)
+                and changes.new_value.get(
+                    "publish_attributes", {}
+                ).get("CollectOpenCueLayerArgs", {}).get("requires_gpu")
+            )
+            # Approach to avoiding the infinite loop of this bi-directional
+            # relationship is just to only set if different.
+            if isinstance(requires_gpu, bool) and created_inst.transient_data["node"]["requires_gpu"].value() != requires_gpu:
+                created_inst.transient_data["node"]["requires_gpu"].setValue(requires_gpu)
 
     def _update_write_node_filepath(self, created_inst, changes):
         """Update instance node on context changes.

From 408f2de24c66c91454a12daaa6b3eb69767e0362 Mon Sep 17 00:00:00 2001
From: splidje <jonathan.hearn@ajptechnical.com>
Date: Wed, 27 May 2026 12:47:20 +0100
Subject: [PATCH 2/2] [opencue_requires_gpu] more robust. handles the
 "requires_gpu" knob missing from the write node.

---
 client/ayon_nuke/api/plugin.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/client/ayon_nuke/api/plugin.py b/client/ayon_nuke/api/plugin.py
index 9e2ff88d68..2337e05cb5 100644
--- a/client/ayon_nuke/api/plugin.py
+++ b/client/ayon_nuke/api/plugin.py
@@ -413,8 +413,9 @@ def update_instances(self, update_list):
             )
             # Approach to avoiding the infinite loop of this bi-directional
             # relationship is just to only set if different.
-            if isinstance(requires_gpu, bool) and created_inst.transient_data["node"]["requires_gpu"].value() != requires_gpu:
-                created_inst.transient_data["node"]["requires_gpu"].setValue(requires_gpu)
+            requires_gpu_knob = created_inst.transient_data["node"].knob("requires_gpu")
+            if isinstance(requires_gpu, bool) and requires_gpu_knob and requires_gpu_knob.value() != requires_gpu:
+                requires_gpu_knob.setValue(requires_gpu)
 
     def _update_write_node_filepath(self, created_inst, changes):
         """Update instance node on context changes.