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Arnold : Multiple Outputs Per Driver #6208

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Arnold : Multiple Outputs Per Driver #6208

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5065f1f
InteractiveRenderTest : Use different fileNames for different outputs.
danieldresser-ie Jan 8, 2025
ec82197
IECoreArnoldTest/RendererTest : Different fileNames for different outs
danieldresser-ie Jan 8, 2025
5612a4a
IECoreArnold : Support multiple outputs as layers in one exr file
danieldresser-ie Jan 4, 2025
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4 changes: 2 additions & 2 deletions python/GafferSceneTest/InteractiveRenderTest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -189,7 +189,7 @@ def testAddAndRemoveOutput( self ):
s["o"].addOutput(
"beauty2",
IECoreScene.Output(
"test1",
"test2",
"ieDisplay",
"rgba",
{
Expand Down Expand Up @@ -218,7 +218,7 @@ def testAddAndRemoveOutput( self ):
s["o"].addOutput(
"beauty3",
IECoreScene.Output(
"test1",
"test3",
"ieDisplay",
"rgba",
{
Expand Down
121 changes: 119 additions & 2 deletions python/IECoreArnoldTest/RendererTest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -671,7 +671,7 @@ def testOutputs( self ) :
r.output(
"testB",
IECoreScene.Output(
"beauty.exr",
"beautyWithAlpha.exr",
"exr",
"color B",
{
Expand Down Expand Up @@ -769,7 +769,7 @@ def testOutputLPEs( self ) :
r.output(
"testWithAlpha",
IECoreScene.Output(
"beauty.exr",
"beautyWithAlpha.exr",
"exr",
"lpe C.*D.*",
{
Expand Down Expand Up @@ -802,6 +802,123 @@ def testOutputLPEs( self ) :
"ieCoreArnold:lpe:testWithAlpha C.*D.*"
] ) )

def testCombinedOutputs( self ) :

r = GafferScene.Private.IECoreScenePreview.Renderer.create(
"Arnold",
GafferScene.Private.IECoreScenePreview.Renderer.RenderType.SceneDescription,
str( self.temporaryDirectory() / "test.ass" )
)

r.output(
"testA",
IECoreScene.Output(
"combined.exr",
"exr",
"color A",
{}
)
)

r.output(
"testB",
IECoreScene.Output(
"combined.exr",
"exr",
"color B",
{ "testParm" : 2 }
)
)

with self.assertRaisesRegex( RuntimeError, 'Mismatch in combined output driver for file name "combined.exr" : missing parameter "testParm"' ):
r.render()

r.output(
"testA",
IECoreScene.Output(
"combined.exr",
"exr",
"color A",
{ "testParm" : 2 }
)
)

r.output(
"testC",
IECoreScene.Output(
"single.exr",
"exr",
"color C",
{ "whatever" : 3 }
)
)

r.output(
"testD",
IECoreScene.Output(
"combined2.exr",
"exr",
"color D",
{ "filter" : "catrom" }
)
)

r.output(
"testE",
IECoreScene.Output(
"combined2.exr",
"exr",
"color E",
{ "filter" : "catrom" }
)
)

r.output(
"testF",
IECoreScene.Output(
"combined2.exr",
"exr",
"color F",
{ "filter" : "catrom" }
)
)

r.render()
del r

with IECoreArnold.UniverseBlock( writable = True ) as universe :

arnold.AiSceneLoad( universe, str( self.temporaryDirectory() / "test.ass" ), None )

options = arnold.AiUniverseGetOptions( universe )
outputs = arnold.AiNodeGetArray( options, "outputs" )
outputSet = set( arnold.AiArrayGetStr( outputs, i ) for i in range( 0, arnold.AiArrayGetNumElements( outputs ) ) )
self.assertEqual( outputSet, set( [
"A RGB ieCoreArnold:filter:testA,testB ieCoreArnold:display:testA,testB",
"E RGB ieCoreArnold:filter:testD,testE,testF ieCoreArnold:display:testD,testE,testF",
"B RGB ieCoreArnold:filter:testA,testB ieCoreArnold:display:testA,testB",
"C RGB ieCoreArnold:filter:testC ieCoreArnold:display:testC",
"D RGB ieCoreArnold:filter:testD,testE,testF ieCoreArnold:display:testD,testE,testF",
"F RGB ieCoreArnold:filter:testD,testE,testF ieCoreArnold:display:testD,testE,testF"
] ) )

driver1 = arnold.AiNodeLookUpByName( universe, "ieCoreArnold:display:testA,testB" )
self.assertEqual( arnold.AiNodeGetStr( driver1, "filename" ), "combined.exr" )
self.assertEqual( arnold.AiNodeGetInt( driver1, "testParm" ), 2 )
filter1 = arnold.AiNodeLookUpByName( universe, "ieCoreArnold:filter:testA,testB" )
self.assertEqual( arnold.AiNodeEntryGetName( arnold.AiNodeGetNodeEntry( filter1 ) ), "gaussian_filter" )

driver2 = arnold.AiNodeLookUpByName( universe, "ieCoreArnold:display:testC" )
self.assertEqual( arnold.AiNodeGetStr( driver2, "filename" ), "single.exr" )
self.assertEqual( arnold.AiNodeGetInt( driver2, "whatever" ), 3 )
filter2 = arnold.AiNodeLookUpByName( universe, "ieCoreArnold:filter:testC" )
self.assertEqual( arnold.AiNodeEntryGetName( arnold.AiNodeGetNodeEntry( filter2 ) ), "gaussian_filter" )

driver3 = arnold.AiNodeLookUpByName( universe, "ieCoreArnold:display:testD,testE,testF" )
self.assertEqual( arnold.AiNodeGetStr( driver3, "filename" ), "combined2.exr" )
filter3 = arnold.AiNodeLookUpByName( universe, "ieCoreArnold:filter:testD,testE,testF" )
self.assertEqual( arnold.AiNodeEntryGetName( arnold.AiNodeGetNodeEntry( filter3 ) ), "catrom_filter" )

def testMultipleCameras( self ) :
r = GafferScene.Private.IECoreScenePreview.Renderer.create(
"Arnold",
Expand Down
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