Arnold : Add output presets demonstrating deepexr and LPE outputs

Changes.md

@@ -13,6 +13,9 @@ Improvements
   - Added the ability to edit the scale of node icons.
   - Improved layout of Box node plug creator visibility toggles.
 - ArnoldShader : Moved the `toon` shader's `*_tonemap_hue_saturation` parameters to appropriate sections in the UI.
+- Arnold :
+  - Added `deep_alpha` and `deep_beauty` output presets demonstrating outputs that produce deep images.
+  - Added `lpe` output preset demonstrating an output using a light path expression.
 
 API
 ---

startup/gui/outputs.py

@@ -118,16 +118,21 @@
 		"motionvector",
 		"normal",
 		"depth",
+		"deep_alpha",
+		"deep_beauty",
+		"lpe",
 	] :
 
 		label = aov.replace( "_", " " ).title().replace( " ", "_" )
-		if aov == "beauty":
+		if aov in ( "beauty", "deep_beauty" ) :
 			data = "rgba"
-		elif aov == "depth":
+		elif aov in ( "depth", "deep_alpha" ) :
 			data = "float Z"
-		elif aov == "normal":
+		elif aov == "normal" :
 			data = "color N"
-		else:
+		elif aov == "lpe" :
+			data = "lpe C.*"
+		else :
 			data = "color " + aov
 
 		if aov == "motionvector" :
@@ -137,12 +142,21 @@
 		else :
 			parameters = {}
 
-		if aov == "depth":
+		if aov == "depth" :
 			parameters["layerName"] = "Z"
 
-		if aov not in { "motionvector", "emission", "background" } :
+		if aov not in { "motionvector", "emission", "background", "deep_alpha", "lpe" } :
 			parameters["layerPerLightGroup"] = False
 
+		if aov.startswith( "deep_" ) :
+			driver = "deepexr"
+			parameters["alpha_tolerance"] = 0.01
+			parameters["depth_tolerance"] = 0.01
+			parameters["alpha_half_precision"] = False
+			parameters["depth_half_precision"] = False
+		else :
+			driver = "exr"
+
 		interactiveParameters = parameters.copy()
 		interactiveParameters.update(
 			{
@@ -153,6 +167,9 @@
 			}
 		)
 
+		if aov == "lpe" :
+			interactiveParameters["layerName"] = "lpe"
+
 		GafferScene.Outputs.registerOutput(
 			"Interactive/Arnold/" + label,
 			IECoreScene.Output(
@@ -167,7 +184,7 @@
 			"Batch/Arnold/" + label,
 			IECoreScene.Output(
 				"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( aov, aov ),
-				"exr",
+				driver,
 				data,
 				parameters,
 			)
@@ -348,7 +365,7 @@ def __registerOutputs( aovs, halfFloat = False, denoise = False ) :
 					"halfFloat" : halfFloat
 				}
 
-				if data == "lightgroup":
+				if data == "lightgroup" :
 					data = "lg lightgroup"
 					label = "Light_Group"
 
@@ -372,7 +389,7 @@ def __registerOutputs( aovs, halfFloat = False, denoise = False ) :
 				)
 
 				GafferScene.Outputs.registerOutput(
-									"Batch/Cycles/" + label,
+					"Batch/Cycles/" + label,
 					IECoreScene.Output(
 						"${project:rootDirectory}/renders/${script:name}/${renderPass}/%s/%s.####.exr" % ( aov, aov ),
 						"exr",
@@ -381,7 +398,7 @@ def __registerOutputs( aovs, halfFloat = False, denoise = False ) :
 					)
 				)
 
-				if denoise:
+				if denoise :
 					interactiveOutput["denoise"] = True
 					batchOutput["denoise"] = True