Add pipeline subshader tags for HD

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Debug/DebugColorPicker.shader

 {
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             ZWrite Off

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Debug/DebugDisplayLatlong.shader

 {
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             ZWrite On

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Debug/DebugFullScreen.shader

 {
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             ZWrite Off

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Debug/DebugViewMaterialGBuffer.shader

 {
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             ZWrite Off

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Debug/DebugViewTiles.shader

 {
     SubShader
     {
-
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             ZWrite Off

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/EditorRenderPipelineResources/ReflectionProbesPreview.shader

 		_Exposure("_Exposure", Range(-10.0,10.0)) = 0.0
 
 	}
-		SubShader
+	
+	SubShader
-		Tags{ "RenderType" = "Opaque" "Queue" = "Transparent" }
+		Tags{ "RenderPipeline" = "HDPipeline" "RenderType" = "Opaque" "Queue" = "Transparent" }
 		ZWrite On
 		Cull Back
 

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Material/DiffusionProfile/DrawDiffusionProfile.shader

 {
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             Cull   Off

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Material/DiffusionProfile/DrawTransmittanceGraph.shader

 {
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             Cull   Off

ScriptableRenderPipeline/HDRenderPipeline/HDRP/HDRenderPipeline.cs

             // Initialize various compute shader resources
             m_applyDistortionKernel = m_applyDistortionCS.FindKernel("KMain");
 
+            // Set subshader pipeline tag
+            Shader.globalRenderPipeline = "HDPipeline";
+
             // General material
             m_CopyStencilForNoLighting = CoreUtils.CreateEngineMaterial(asset.renderPipelineResources.copyStencilBuffer);
             m_CopyStencilForNoLighting.SetInt(HDShaderIDs._StencilRef, (int)StencilLightingUsage.NoLighting);

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Lighting/Deferred.shader

 
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             Stencil

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Decal/Decal.shader

         Pass
         {
             Name "DBuffer"  // Name is not used
-            Tags { "LightMode" = "DBuffer" } // This will be only for opaque object based on the RenderQueue index
+            Tags { "RenderPipeline" = "HDPipeline" "LightMode" = "DBuffer" } // This will be only for opaque object based on the RenderQueue index
 
 			// back faces with zfail, for cases when camera is inside the decal volume
             Cull Front

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/GGXConvolution/GGXConvolve.shader

 {
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             Cull   Off

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/LayeredLit/LayeredLit.shader

     SubShader
     {
         // This tags allow to use the shader replacement features
-        Tags{ "RenderType" = "HDLitShader" }
+        Tags{ "RenderPipeline" = "HDPipeline" "RenderType" = "HDLitShader" }
 
         // Caution: The outline selection in the editor use the vertex shader/hull/domain shader of the first pass declare. So it should not bethe  meta pass.
         Pass

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/LayeredLit/LayeredLitTessellation.shader

     SubShader
     {
         // This tags allow to use the shader replacement features
-        Tags{ "RenderType" = "HDLitShader" }
+        Tags{ "RenderPipeline" = "HDPipeline" "RenderType" = "HDLitShader" }
 
          // Caution: The outline selection in the editor use the vertex shader/hull/domain shader of the first pass declare. So it should not bethe  meta pass.
         Pass

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Lit/Lit.shader

     SubShader
     {
         // This tags allow to use the shader replacement features
-        Tags{ "RenderType" = "HDLitShader" }
+        Tags{ "RenderPipeline"="HDPipeline" "RenderType" = "HDLitShader" }
 
         // Caution: The outline selection in the editor use the vertex shader/hull/domain shader of the first pass declare. So it should not bethe  meta pass.
         Pass

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Lit/LitTessellation.shader

     SubShader
     {
         // This tags allow to use the shader replacement features
-        Tags{ "RenderType" = "HDLitShader" }
+        Tags{ "RenderPipeline" = "HDPipeline" "RenderType" = "HDLitShader" }
 
         // Caution: The outline selection in the editor use the vertex shader/hull/domain shader of the first pass declare. So it should not bethe  meta pass.
         Pass

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Lit/Resources/PreIntegratedFGD.shader

 Shader "Hidden/HDRenderPipeline/PreIntegratedFGD"
 {
-   SubShader {
-        Pass {
+    SubShader 
+    {
+        Tags{ "RenderPipeline" = "HDPipeline" }
+        Pass 
+        {
             ZTest Always Cull Off ZWrite Off
 
             HLSLPROGRAM

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/SubsurfaceScattering/CombineLighting.shader

 
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             Stencil

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/SubsurfaceScattering/SubsurfaceScattering.shader

 
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
         Pass
         {
             Stencil

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/Unlit/Unlit.shader

     SubShader
     {
         // This tags allow to use the shader replacement features
-        Tags{ "RenderType" = "HDUnlitShader" }
+        Tags{ "RenderPipeline" = "HDPipeline" "RenderType" = "HDUnlitShader" }
 
         // Caution: The outline selection in the editor use the vertex shader/hull/domain shader of the first pass declare. So it should not be the meta pass.
 

ScriptableRenderPipeline/HDRenderPipeline/HDRP/RenderPipelineResources/Blit.shader

 
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
+        
         // 0: Nearest
         Pass
         {

ScriptableRenderPipeline/HDRenderPipeline/HDRP/RenderPipelineResources/CameraMotionVectors.shader

 
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
+        
         Pass
         {
             // We will perform camera motion velocity only where there is no object velocity

ScriptableRenderPipeline/HDRenderPipeline/HDRP/RenderPipelineResources/CopyDepthBuffer.shader

 
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
+        
         Pass
         {
             Name "Copy Depth"

ScriptableRenderPipeline/HDRenderPipeline/HDRP/RenderPipelineResources/CopyStencilBuffer.shader

 
     SubShader
     {
+        Tags{ "RenderPipeline" = "HDPipeline" }
+        
         Pass
         {
             Name "Pass 0 - Copy stencilRef to output"