49 lines
1.6 KiB
C#
49 lines
1.6 KiB
C#
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace VLB
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{
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public static class DummyMaterial
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{
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#if UNITY_EDITOR
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static string GetPath(ShaderMode shaderMode, Shader shader)
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{
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string kDummyFilename = "VLBDummyMaterial" + shaderMode + ".mat";
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string kDummyPathFallback = "Assets/" + Consts.PluginFolder + "/Shaders/" + kDummyFilename;
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Debug.Assert(shader);
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var shaderPath = AssetDatabase.GetAssetPath(shader);
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if (string.IsNullOrEmpty(shaderPath))
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return kDummyPathFallback;
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var shaderFolder = System.IO.Path.GetDirectoryName(shaderPath);
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return System.IO.Path.Combine(shaderFolder, kDummyFilename);
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}
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/// <summary>
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/// Create a dummy material with the proper instancing flag to prevent from stripping away needed shader variants when exporting build
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/// </summary>
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public static Material Create(ShaderMode shaderMode, Shader shader, bool gpuInstanced)
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{
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if (shader == null)
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return null;
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string path = GetPath(shaderMode, shader);
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var dummyMat = AssetDatabase.LoadAssetAtPath<Material>(path);
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if (dummyMat == null
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|| dummyMat.shader != shader
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|| BatchingHelper.IsGpuInstancingEnabled(dummyMat) != gpuInstanced)
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{
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dummyMat = MaterialManager.NewMaterialPersistent(shader, gpuInstanced);
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if (dummyMat)
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AssetDatabase.CreateAsset(dummyMat, path);
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}
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return dummyMat;
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}
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#endif
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}
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}
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