Added a new screenshot test for ThinObject transmission.

Signed-off-by: santorac <[email protected]>

Objects/grass_tile_large.fbx

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:44cfaf47811e14f0ce29e45694188dcc025787170b080347c718df9c535f3573
+size 449660

Scripts/ExpectedScreenshots/StandardPBR/015_subsurfacescattering_transmission_thin.png

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b23df9b20d354c9fa4829e2ca7e180c6dc2562bdb8c420c24c4da39966976cbe
+size 610786

Scripts/MaterialScreenshotTests.bv.lua

@@ -17,6 +17,7 @@ g_modelWithoutLayerMask = 'objects/bunny.azmodel'
 g_modelWithLayerMask = 'testdata/objects/paintedplane.azmodel'
 g_modelHermanubis = 'materialeditor/viewportmodels/hermanubis.azmodel'
 g_modelTube = 'testdata/objects/tube.azmodel'
+g_modelGrass = 'objects/grass_tile_large.azmodel'
 
 function GenerateMaterialScreenshot(imageComparisonThresholdLevel, materialName, options)
     if options == nil then options = {} end
@@ -123,6 +124,7 @@ GenerateMaterialScreenshot('Level H', '014_ClearCoat_NormalMap_2ndUv', {lighting
 GenerateMaterialScreenshot('Level F', '014_ClearCoat_RoughnessMap', {lighting="Neutral Urban"})
 GenerateMaterialScreenshot('Level F', '015_SubsurfaceScattering', {lighting="Dark Test Lighting", cameraHeading = 45.0, cameraPitch=30.0, cameraDistance=1.5})
 GenerateMaterialScreenshot('Level D', '015_SubsurfaceScattering_Transmission', {lighting="Dark Test Lighting", cameraHeading = 45.0, cameraPitch=-30.0, cameraDistance=1.5})
+GenerateMaterialScreenshot('Level E', '015_SubsurfaceScattering_Transmission_Thin', {model=g_modelGrass, lighting="Goegap (Alt)", cameraHeading = -150.0, cameraPitch=5.0, cameraDistance=1.5})
 GenerateMaterialScreenshot('Level I', '100_UvTiling_AmbientOcclusion')
 GenerateMaterialScreenshot('Level I', '100_UvTiling_BaseColor')
 GenerateMaterialScreenshot('Level I', '100_UvTiling_Emissive')