clean project

Assets/Oculus/VR/Editor/OVRShaderBuildProcessor.cs

@@ -0,0 +1,54 @@
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEditor.Build;
+using UnityEditor.Rendering;
+using UnityEngine;
+using UnityEngine.Rendering;
+
+public class OVRShaderBuildProcessor : IPreprocessShaders
+{
+	public int callbackOrder { get { return 0; } }
+
+	public void OnProcessShader(
+		Shader shader, ShaderSnippetData snippet, IList<ShaderCompilerData> shaderCompilerData)
+	{
+		var projectConfig = OVRProjectConfig.GetProjectConfig();
+		if (projectConfig == null)
+		{
+			return;
+		}
+
+		if (!projectConfig.skipUnneededShaders)
+		{
+			return;
+		}
+
+		if (EditorUserBuildSettings.activeBuildTarget != BuildTarget.Android)
+		{
+			return;
+		}
+
+		var strippedGraphicsTiers = new HashSet<GraphicsTier>();
+
+		// Unity only uses shader Tier2 on Quest and Go (regardless of graphics API)
+		if (projectConfig.targetDeviceTypes.Contains(OVRProjectConfig.DeviceType.Quest) || 
+			projectConfig.targetDeviceTypes.Contains(OVRProjectConfig.DeviceType.Quest2))
+		{
+			strippedGraphicsTiers.Add(GraphicsTier.Tier1);
+			strippedGraphicsTiers.Add(GraphicsTier.Tier3);
+		}
+
+		if (strippedGraphicsTiers.Count == 0)
+		{
+			return;
+		}
+
+		for (int i = shaderCompilerData.Count - 1; i >= 0; --i)
+		{
+			if (strippedGraphicsTiers.Contains(shaderCompilerData[i].graphicsTier))
+			{
+				shaderCompilerData.RemoveAt(i);
+			}
+		}
+	}
+}