HDRP: PreIntegratedFDG material as resource

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/HDAssetFactory.cs

                 newAsset.opaqueAtmosphericScattering = Load<Shader>(HDRenderPipelinePath + "Sky/OpaqueAtmosphericScattering.shader");
                 newAsset.hdriSky = Load<Shader>(HDRenderPipelinePath + "Sky/HDRISky/HDRISky.shader");
                 newAsset.proceduralSky = Load<Shader>(HDRenderPipelinePath + "Sky/ProceduralSky/ProceduralSky.shader");
+                // Skybox/Cubemap is a builtin shader, must use Sahder.Find to access it. It is fine because we are in the editor
+                newAsset.skyboxCubemap = Shader.Find("Skybox/Cubemap");
+
+                // Material
+                newAsset.preIntegratedFGD = Load<Shader>(HDRenderPipelinePath + "Material/PreIntegratedFGD.shader");
-
-                // Skybox/Cubemap is a builtin shader, must use Sahder.Find to access it. It is fine because we are in the editor
-                newAsset.skyboxCubemap = Shader.Find("Skybox/Cubemap");
 
                 // Shadow
                 newAsset.shadowClearShader = Load<Shader>(CorePath + "Shadow/ShadowClear.shader");

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/PreIntegratedFGD/PreIntegratedFGD.cs

         int m_refCounting;
 
         // For image based lighting
-        Material m_InitPreFGD;
+        Material m_PreIntegratedFGDMaterial;
         RenderTexture m_PreIntegratedFGD;
 
         PreIntegratedFGD()
 
             if (m_refCounting == 0)
             {
-                m_InitPreFGD = CoreUtils.CreateEngineMaterial("Hidden/HDRenderPipeline/PreIntegratedFGD");
+                var hdrp = GraphicsSettings.renderPipelineAsset as HDRenderPipelineAsset;
+                m_PreIntegratedFGDMaterial = CoreUtils.CreateEngineMaterial(hdrp.renderPipelineResources.preIntegratedFGD);
 
                 m_PreIntegratedFGD = new RenderTexture(128, 128, 0, RenderTextureFormat.ARGB2101010, RenderTextureReadWrite.Linear);
                 m_PreIntegratedFGD.hideFlags = HideFlags.HideAndDontSave;
             if (m_isInit)
                 return;
 
-            using (new ProfilingSample(cmd, "Init PreFGD"))
+            using (new ProfilingSample(cmd, "PreIntegratedFGD Material Generation"))
-                CoreUtils.DrawFullScreen(cmd, m_InitPreFGD, new RenderTargetIdentifier(m_PreIntegratedFGD));
+                CoreUtils.DrawFullScreen(cmd, m_PreIntegratedFGDMaterial, new RenderTargetIdentifier(m_PreIntegratedFGD));
             }
 
             m_isInit = true;
 
             if (m_refCounting == 0)
             {
-                CoreUtils.Destroy(m_InitPreFGD);
+                CoreUtils.Destroy(m_PreIntegratedFGDMaterial);
                 CoreUtils.Destroy(m_PreIntegratedFGD);
 
                 m_isInit = false;

ScriptableRenderPipeline/HDRenderPipeline/HDRP/RenderPipelineResources/RenderPipelineResources.cs

         public Shader opaqueAtmosphericScattering;
         public Shader hdriSky;
         public Shader proceduralSky;
-
+
+        // Material
+        public Shader preIntegratedFGD;
 
         // Utilities / Core
         public ComputeShader encodeBC6HCS;

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Material/PreIntegratedFGD/Resources.meta

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