Updating shader to use PackageRequirements

com.unity.perception/Editor/GroundTruth/ShaderPreprocessor.cs

-using System.Collections.Generic;
-using System.Linq;
-using UnityEditor.Build;
-using UnityEditor.Rendering;
-using UnityEngine;
-using UnityEngine.Rendering;
-
-namespace UnityEditor.Perception.GroundTruth
-{
-    public class ShaderPreprocessor : IPreprocessShaders
-    {
-        private string[] shadersToPreprocess = new[]
-        {
-            "Perception/KeypointDepthCheck"
-        };
-        public int callbackOrder => 0;
-        public void OnProcessShader(Shader shader, ShaderSnippetData snippet, IList<ShaderCompilerData> data)
-        {
-            if (!shadersToPreprocess.Contains(shader.name))
-                return;
-
-            var hdrpKeyword = new ShaderKeyword(shader, "HDRP_ENABLED");
-#if HDRP_PRESENT || URP_PRESENT
-
-#if HDRP_PRESENT
-            bool isHdrp = true;
-#else
-            bool isHdrp = false;
-#endif
-            for (var i = data.Count - 1; i >= 0; --i)
-            {
-                if (data[i].shaderKeywordSet.IsEnabled(hdrpKeyword) == isHdrp)
-                    continue;
-
-                data.RemoveAt(i);
-            }
-#endif
-        }
-    }
-}
+// using System.Collections.Generic;
+// using System.Linq;
+// using UnityEditor.Build;
+// using UnityEditor.Rendering;
+// using UnityEngine;
+// using UnityEngine.Rendering;
+//
+// namespace UnityEditor.Perception.GroundTruth
+// {
+//     public class ShaderPreprocessor : IPreprocessShaders
+//     {
+//         private string[] shadersToPreprocess = new[]
+//         {
+//             "Perception/KeypointDepthCheck"
+//         };
+//         public int callbackOrder => 0;
+//         public void OnProcessShader(Shader shader, ShaderSnippetData snippet, IList<ShaderCompilerData> data)
+//         {
+//             if (!shadersToPreprocess.Contains(shader.name))
+//                 return;
+//
+//             var hdrpKeyword = new ShaderKeyword(shader, "HDRP_ENABLED");
+// #if HDRP_PRESENT || URP_PRESENT
+//
+// #if HDRP_PRESENT
+//             bool isHdrp = true;
+// #else
+//             bool isHdrp = false;
+// #endif
+//             for (var i = data.Count - 1; i >= 0; --i)
+//             {
+//                 if (data[i].shaderKeywordSet.IsEnabled(hdrpKeyword) == isHdrp)
+//                     continue;
+//
+//                 data.RemoveAt(i);
+//             }
+// #endif
+//         }
+//     }
+// }

com.unity.perception/Runtime/GroundTruth/Resources/KeypointDepthCheck.shader

     {
         Pass
         {
+            PackageRequirements {
+                "com.unity.render-pipelines.highdefinition"
+            }
             Tags { "LightMode" = "SRP" }
 
             Name "KeypointDepthCheck"
             Texture2D _Positions;
             Texture2D _KeypointCheckDepth;
 
-#if HDRP_ENABLED
             #pragma enable_d3d11_debug_symbols
 
             #include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassCommon.hlsl"
                 uint result = depth >= checkDepth ? 1 : 0;
                 return float4(result, result, result, 1);
             }
-#else
+            ENDHLSL
+        }
+        Pass
+        {
+            PackageRequirements {
+                "com.unity.render-pipelines.universal"
+            }
+            Tags { "LightMode" = "SRP" }
+
+            Name "KeypointDepthCheck"
+            ZWrite Off
+            ZTest Always
+            Blend SrcAlpha OneMinusSrcAlpha
+            Cull Off
+
+            HLSLPROGRAM
+            #pragma only_renderers d3d11 vulkan metal
+            #pragma target 4.5
+            #pragma vertex Vert
+            #pragma fragment Frag
+
+
+            static const float2 checkOffsets[9] = {
+                float2( 0,  0),
+                float2(-1, -1),
+                float2( 0, -1),
+                float2( 1, -1),
+                float2(-1,  0),
+                float2( 1,  0),
+                float2(-1,  1),
+                float2( 0,  1),
+                float2( 1,  1)};
+
+            Texture2D _Positions;
+            Texture2D _KeypointCheckDepth;
             #include "UnityCG.cginc"
 
             //copied from UnityInput.hlsl
                 uint result = depthVSActual >= depthVSToCheck  ? 1 : 0;
                 return float4(result, result, result, 1);
             }
-#endif
             ENDHLSL
         }
     }