- Fixed meta pass to use correctly UV 2 and 3 and world space position for planar (planar still does not work though because of possible C++ dependency in the meta pass)

- Added a planar lit case in LayeredLitTest scene

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/Lit.shader

             // both direct and indirect lighting) will hand up in the "regular" lightmap->LIGHTMAP_ON.
 
             #define SHADERPASS SHADERPASS_LIGHT_TRANSPORT
+            #define USE_LEGACY_UNITY_MATRIX_VARIABLES
             #include "../../ShaderVariables.hlsl"
             #include "../../Material/Material.hlsl"
             #include "ShaderPass/LitMetaPass.hlsl"

ScriptableRenderPipeline/HDRenderPipeline/Material/Lit/ShaderPass/LitMetaPass.hlsl

 #define ATTRIBUTES_NEED_TEXCOORD0
 #define ATTRIBUTES_NEED_TEXCOORD1
 #define ATTRIBUTES_NEED_TEXCOORD2
+#define ATTRIBUTES_NEED_TEXCOORD3
 
 #ifdef _VERTEX_WIND
 #define ATTRIBUTES_NEED_COLOR
 
 #define VARYINGS_NEED_TEXCOORD0
 #define VARYINGS_NEED_TEXCOORD1
+#define VARYINGS_NEED_TEXCOORD2
+#define VARYINGS_NEED_TEXCOORD3
+
+#define VARYINGS_NEED_POSITION_WS
 
 #if REQUIRE_VERTEX_COLOR
 #define VARYINGS_NEED_COLOR

ScriptableRenderPipeline/HDRenderPipeline/Material/Unlit/ShaderPass/UnlitMetaPass.hlsl

 #define ATTRIBUTES_NEED_TEXCOORD0
 #define ATTRIBUTES_NEED_TEXCOORD1
 #define ATTRIBUTES_NEED_TEXCOORD2
+#define ATTRIBUTES_NEED_TEXCOORD3
+#define VARYINGS_NEED_TEXCOORD2
+#define VARYINGS_NEED_TEXCOORD3
+
+#define VARYINGS_NEED_POSITION_WS
 
 // This include will define the various Attributes/Varyings structure
 #include "../../ShaderPass/VaryingMesh.hlsl"

ScriptableRenderPipeline/HDRenderPipeline/ShaderPass/ShaderPassLightTransport.hlsl

     output.vmesh.positionCS = float4(uv * 2.0 - 1.0, inputMesh.positionOS.z > 0 ? 1.0e-4 : 0.0, 1.0);
     output.vmesh.texCoord0  = inputMesh.uv0;
     output.vmesh.texCoord1  = inputMesh.uv1;
+    output.vmesh.texCoord2  = inputMesh.uv2;
+    output.vmesh.texCoord3  = inputMesh.uv3;
+
+    float3 positionWS = GetCameraRelativePositionWS(TransformObjectToWorld(inputMesh.positionOS));
+    output.vmesh.positionWS = positionWS;
 
 #if defined(VARYINGS_NEED_COLOR)
     output.vmesh.color = inputMesh.color;
 
     // input.unPositionSS is SV_Position
     PositionInputs posInput = GetPositionInput(input.unPositionSS.xy, _ScreenSize.zw);
+    UpdatePositionInput(input.unPositionSS.z, input.unPositionSS.w, input.positionWS, posInput);
     // No position and depth in case of light transport
     float3 V = float3(0.0, 0.0, 1.0); // No vector view in case of light transport
 

SampleScenes/HDTest/LayeredLitTest/Material/Lit_UVChart_Planar_Detail.mat

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SampleScenes/HDTest/LayeredLitTest/Material/Lit_UVChart_Planar_Detail.mat.meta

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