Always add render engine to Blender args

src/engines/blender/blender_engine.py

@@ -1,5 +1,6 @@
 import json
 import re
+from concurrent.futures import ThreadPoolExecutor
 
 from src.engines.core.base_engine import *
 from src.utilities.misc_helper import system_safe_path
@@ -148,7 +149,13 @@ class Blender(BaseRenderEngine):
         return options
 
     def system_info(self):
-        return {'render_devices': self.get_render_devices()}
+        with ThreadPoolExecutor() as executor:
+            future_render_devices = executor.submit(self.get_render_devices)
+            future_engines = executor.submit(self.supported_render_engines)
+            render_devices = future_render_devices.result()
+            engines = future_engines.result()
+
+        return {'render_devices': render_devices, 'engines': engines}
 
     def get_render_devices(self):
         script_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'scripts', 'get_system_info.py')

src/engines/blender/blender_worker.py

@@ -40,11 +40,13 @@ class BlenderRenderWorker(BaseRenderWorker):
         if custom_camera:
             python_exp = python_exp + f"bpy.context.scene.camera = bpy.data.objects['{custom_camera}'];"
 
-        # Set Render Device (gpu/cpu/any)
+        # Setup Render Engines
-        blender_engine = self.args.get('engine', 'BLENDER_EEVEE').upper()
+        self.args['engine'] = self.args.get('engine', 'CYCLES').upper()  # set default render engine
-        if blender_engine == 'CYCLES':
+        # Configure Cycles
+        if self.args['engine'] == 'CYCLES':
+            # Set Render Device (gpu/cpu/any)
             render_device = self.args.get('render_device', 'any').lower()
-            if render_device not in {'any', 'gpu', 'cpu'}:
+            if render_device not in ['any', 'gpu', 'cpu']:
                 raise AttributeError(f"Invalid Cycles render device: {render_device}")
 
             use_gpu = render_device in {'any', 'gpu'}