using System;
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using System.Collections.Generic;
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namespace UnityEngine.PostProcessing
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{
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using UnityObject = Object;
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public sealed class MaterialFactory : IDisposable
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{
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Dictionary<string, Material> m_Materials;
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public MaterialFactory()
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{
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m_Materials = new Dictionary<string, Material>();
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}
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public Material Get(string shaderName)
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{
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Material material;
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if (!m_Materials.TryGetValue(shaderName, out material))
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{
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var shader = Shader.Find(shaderName);
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if (shader == null)
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throw new ArgumentException(string.Format("Shader not found ({0})", shaderName));
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material = new Material(shader)
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{
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name = string.Format("PostFX - {0}", shaderName.Substring(shaderName.LastIndexOf("/") + 1)),
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hideFlags = HideFlags.DontSave
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};
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m_Materials.Add(shaderName, material);
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}
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return material;
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}
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public void Dispose()
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{
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var enumerator = m_Materials.GetEnumerator();
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while (enumerator.MoveNext())
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{
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var material = enumerator.Current.Value;
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GraphicsUtils.Destroy(material);
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}
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m_Materials.Clear();
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}
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}
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}
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