Fix simple lit pass not using the correct pass name for depth

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -103,6 +103,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed issue where changes to APV baking set lists were not saved.
 - Fixed Normal Map assignation when importing FBX Materials.
 - Fixed sky jittering when TAA is enabled
+- Fixed VFX simple lit opaque particles not working with Ambient occlusion (case 1347130).
 
 ### Changed
 - Converted most TGA textures files to TIF to reduce the size of HDRP material samples.

com.unity.render-pipelines.high-definition/Editor/VFXGraph/Shaders/Templates/Mesh/PassDepthForwardOnly.template

@@ -0,0 +1,17 @@
+Pass
+{		
+	Tags { "LightMode"="DepthForwardOnly" }
+
+	ZWrite On
+	Blend Off
+
+	HLSLPROGRAM
+	#define VFX_PASSDEPTH VFX_PASSDEPTH_ACTUAL
+	#pragma multi_compile _ WRITE_NORMAL_BUFFER
+    #pragma multi_compile _ WRITE_DECAL_BUFFER
+    #pragma multi_compile _ WRITE_MSAA_DEPTH
+	${VFXIncludeRP("Templates/Mesh/PassDepthOrMV.template")}
+
+
+	ENDHLSL
+}

com.unity.render-pipelines.high-definition/Editor/VFXGraph/Shaders/Templates/PlanarPrimitive/PassDepthForwardOnly.template

@@ -0,0 +1,15 @@
+Pass
+{
+    Tags { "LightMode"="DepthForwardOnly" }
+
+    ZWrite On
+    Blend Off
+
+    HLSLPROGRAM
+    #define VFX_PASSDEPTH VFX_PASSDEPTH_ACTUAL
+    #pragma multi_compile _ WRITE_NORMAL_BUFFER
+    #pragma multi_compile _ WRITE_MSAA_DEPTH
+    ${VFXIncludeRP("Templates/PlanarPrimitive/PassDepthOrMV.template")}
+
+    ENDHLSL
+}

com.unity.render-pipelines.high-definition/Editor/VFXGraph/Shaders/Templates/VFXParticleLitMesh.template

@@ -4,7 +4,8 @@
 	    Tags{ "RenderPipeline" = "HDRenderPipeline" }
 		${VFXInclude("Shaders/VFXParticleHeader.template")}
 		${VFXIncludeRP("Templates/Mesh/PassSelection.template")}
-		${VFXIncludeRP("Templates/Mesh/PassDepth.template"),IS_OPAQUE_PARTICLE}
+		${VFXIncludeRP("Templates/Mesh/PassDepth.template"),IS_OPAQUE_NOT_SIMPLE_LIT_PARTICLE}
+		${VFXIncludeRP("Templates/Mesh/PassDepthForwardOnly.template"),HDRP_MATERIAL_TYPE_SIMPLELIT}
 		${VFXIncludeRP("Templates/Mesh/PassVelocity.template"),USE_MOTION_VECTORS_PASS}
 		${VFXIncludeRP("Templates/Mesh/PassGBuffer.template"),IS_OPAQUE_NOT_SIMPLE_LIT_PARTICLE}
 		${VFXIncludeRP("Templates/Mesh/PassForward.template")}

com.unity.render-pipelines.high-definition/Editor/VFXGraph/Shaders/Templates/VFXParticleLitPlanarPrimitive.template

@@ -6,7 +6,8 @@
 
 		${VFXInclude("Shaders/VFXParticleHeader.template")}
 		${VFXIncludeRP("Templates/PlanarPrimitive/PassSelection.template")}
-		${VFXIncludeRP("Templates/PlanarPrimitive/PassDepth.template"),IS_OPAQUE_PARTICLE}
+		${VFXIncludeRP("Templates/PlanarPrimitive/PassDepth.template"),IS_OPAQUE_NOT_SIMPLE_LIT_PARTICLE}
+		${VFXIncludeRP("Templates/PlanarPrimitive/PassDepthForwardOnly.template"),HDRP_MATERIAL_TYPE_SIMPLELIT}
 		${VFXIncludeRP("Templates/PlanarPrimitive/PassVelocity.template"),USE_MOTION_VECTORS_PASS}
 		${VFXIncludeRP("Templates/PlanarPrimitive/PassGBuffer.template"),IS_OPAQUE_NOT_SIMPLE_LIT_PARTICLE}
 		${VFXIncludeRP("Templates/PlanarPrimitive/PassForward.template")}

com.unity.render-pipelines.high-definition/Runtime/Material/Lit/SimpleLit.hlsl

@@ -235,6 +235,14 @@ PreLightData GetPreLightData(float3 V, PositionInputs posInput, inout BSDFData b
     return preLightData;
 }
 
+NormalData ConvertSurfaceDataToNormalData(SurfaceData surfaceData)
+{
+    NormalData normalData;
+    normalData.normalWS = surfaceData.normalWS;
+    normalData.perceptualRoughness = PerceptualSmoothnessToPerceptualRoughness(surfaceData.perceptualSmoothness);
+    return normalData;
+}
+
 #ifdef HAS_LIGHTLOOP
 
 bool IsNonZeroBSDF(float3 V, float3 L, PreLightData preLightData, BSDFData bsdfData)