USDLightUI : Add RenderMan native parameters

Author: ericmehl

Changes.md

@@ -7,7 +7,9 @@ Improvements
 - Crop : Added `Auto` mode for `areaSource`, automatically cropping to show only non-empty pixels.
 - GraphEditor : Improved responsiveness of select-drag, by deferring NodeEditor update until the drag ends.
 - RenderManOptions : Added `ri:progress` option to control logging of render progress.
-- USDLight : Added filters to control which plugs are visible. Renderer-based filters show or hide renderer-specific parameters. A second, general purpose text filter provides additional filtering based on the plug name.
+- USDLight :
+  - Added filters to control which plugs are visible. Renderer-based filters show or hide renderer-specific parameters. A second, general purpose text filter provides additional filtering based on the plug name.
+  - Added RenderMan-specific light parameters.
 
 API
 ---

bin/_gaffer.py

@@ -335,6 +335,7 @@ def setUpRenderMan() :
 	appendToPath( rmanTree / "lib" / "plugins", "RMAN_RIXPLUGINPATH" )
 	appendToPath( rmanTree / "lib" / "shaders", "OSL_SHADER_PATHS" )
 	appendToPath( pluginRoot / "plugins", "RMAN_DISPLAYS_PATH" )
+	prependToPath( rmanTree / "lib" / "usd_plugins" / "usdRiPxr" / "Resources", "PXR_PLUGINPATH_NAME" )
 
 	if sys.platform == "win32" :
 		appendToPath( rmanTree / "bin", "IECORE_DLL_DIRECTORIES" )

python/GafferUSDUI/USDShaderUI.py

@@ -114,7 +114,7 @@ def __label( plug ) :
 
 	property = __primProperty( plug )
 	if property :
-		return property.GetMetadata( "displayName" )
+		return property.GetMetadata( "displayName" ) + ( " (RenderMan)" if plug.getName().startswith( "ri:" ) else "" )
 
 	return __sdrProperty( plug ).GetLabel() or None
 

resources/graphics.py

@@ -543,6 +543,8 @@
 				"rendererArnoldOffIcon",
 				"rendererCyclesOnIcon",
 				"rendererCyclesOffIcon",
+				"rendererRenderManOnIcon",
+				"rendererRenderManOffIcon",
 			],
 
 		},