Cycles: show viewport hair settings when using Cycles

Before this patch, users had to switch render engines just to change how the
hair should be displayed in solid and material preview viewport shading modes.

Differential Revision: https://developer.blender.org/D14290

release/scripts/startup/bl_ui/properties_render.py

@@ -484,6 +484,18 @@ class RENDER_PT_eevee_film(RenderButtonsPanel, Panel):
         sub.prop(props, "overscan_size", text="")
 
 
+def draw_hair_settings(self, context):
+    layout = self.layout
+    scene = context.scene
+    rd = scene.render
+
+    layout.use_property_split = True
+    layout.use_property_decorate = False  # No animation.
+
+    layout.prop(rd, "hair_type", text="Shape", expand=True)
+    layout.prop(rd, "hair_subdiv")
+
+
 class RENDER_PT_eevee_hair(RenderButtonsPanel, Panel):
     bl_label = "Hair"
     bl_options = {'DEFAULT_CLOSED'}
@@ -494,14 +506,7 @@ class RENDER_PT_eevee_hair(RenderButtonsPanel, Panel):
         return (context.engine in cls.COMPAT_ENGINES)
 
     def draw(self, context):
-        layout = self.layout
-        scene = context.scene
-        rd = scene.render
-
-        layout.use_property_split = True
-
-        layout.prop(rd, "hair_type", expand=True)
-        layout.prop(rd, "hair_subdiv")
+        draw_hair_settings(self, context)
 
 
 class RENDER_PT_eevee_performance(RenderButtonsPanel, Panel):
@@ -519,6 +524,7 @@ class RENDER_PT_eevee_performance(RenderButtonsPanel, Panel):
         rd = scene.render
 
         layout.use_property_split = True
+        layout.use_property_decorate = False  # No animation.
 
         layout.prop(rd, "use_high_quality_normals")