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Assets/JMO Assets/Cartoon FX Remaster/CFXR Assets/Editor/CFXR_BuildShaderPreprocessor.cs

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+using System.Collections.Generic;
+using UnityEditor.Build;
+using UnityEditor.Build.Reporting;
+using UnityEditor.Rendering;
+using UnityEngine.Rendering;
+using UnityEngine;
+
+namespace CartoonFX
+{
+    class CFXR_BuildShaderPreprocessor : IPreprocessShaders, IPreprocessBuildWithReport, IPostprocessBuildWithReport
+    {
+        static int shaderVariantsRemoved;
+        static bool isUsingURP;
+
+        // --------------------------------------------------------------------------------------------------------------------------------
+        // IPreprocessBuildWithReport, IPostprocessBuildWithReport
+
+        public void OnPreprocessBuild(BuildReport report)
+        {
+            // Figure out if we're using built-in or URP
+#if UNITY_2019_3_OR_NEWER
+            var renderPipeline = GraphicsSettings.currentRenderPipeline;
+#else
+            var renderPipeline = GraphicsSettings.renderPipelineAsset;
+#endif
+            isUsingURP = renderPipeline != null && renderPipeline.GetType().Name.Contains("Universal");
+            shaderVariantsRemoved = 0;
+        }
+
+        public void OnPostprocessBuild(BuildReport report)
+        {
+            if (shaderVariantsRemoved > 0)
+            {
+                string currentPipeline = isUsingURP ? "Universal" : "Built-in";
+                Debug.Log(string.Format("<color=#ec7d38>[Cartoon FX Remaster]</color> {0} Render Pipeline detected, {1} Shader variants have been stripped from the build.", currentPipeline, shaderVariantsRemoved));
+            }
+        }
+
+        // --------------------------------------------------------------------------------------------------------------------------------
+        // IPreprocessShaders
+
+        public int callbackOrder
+        {
+            get { return 1000; }
+        }
+
+        public void OnProcessShader(Shader shader, ShaderSnippetData snippet, IList<ShaderCompilerData> shaderCompilerData)
+        {
+            if (snippet.passType == PassType.ShadowCaster)
+            {
+                return;
+            }
+            
+            if (shader.name.Contains("Cartoon FX/Remaster"))
+            {
+                // Strip Cartoon FX Remaster Shader variants based on current render pipeline
+                if ((isUsingURP && snippet.passType != PassType.ScriptableRenderPipeline) ||
+                    (!isUsingURP && snippet.passType == PassType.ScriptableRenderPipeline))
+                {
+                    shaderVariantsRemoved += shaderCompilerData.Count;
+                    shaderCompilerData.Clear();
+                }
+            }
+        }
+    }
+}