*

Assets/Standard Assets/Image Effects (Pro Only)/ImageEffectBase.cs

@@ -0,0 +1,40 @@
+using UnityEngine;
+
+[RequireComponent (typeof(Camera))]
+[AddComponentMenu("")]
+public class ImageEffectBase : MonoBehaviour {
+	/// Provides a shader property that is set in the inspector
+	/// and a material instantiated from the shader
+	public Shader   shader;
+	private Material m_Material;
+
+	protected virtual void Start ()
+	{
+		// Disable if we don't support image effects
+		if (!SystemInfo.supportsImageEffects) {
+			enabled = false;
+			return;
+		}
+		
+		// Disable the image effect if the shader can't
+		// run on the users graphics card
+		if (!shader || !shader.isSupported)
+			enabled = false;
+	}
+
+	protected Material material {
+		get {
+			if (m_Material == null) {
+				m_Material = new Material (shader);
+				m_Material.hideFlags = HideFlags.HideAndDontSave;
+			}
+			return m_Material;
+		} 
+	}
+	
+	protected virtual void OnDisable() {
+		if( m_Material ) {
+			DestroyImmediate( m_Material );
+		}
+	}
+}