modified maps

modified maps

Assets/NatureStarterKit2/Standard Assets/Effects/ImageEffects/Scripts/BlurOptimized.cs

@@ -0,0 +1,93 @@
+using System;
+using UnityEngine;
+
+namespace UnityStandardAssets.ImageEffects
+{
+    [ExecuteInEditMode]
+    [RequireComponent (typeof(Camera))]
+    [AddComponentMenu ("Image Effects/Blur/Blur (Optimized)")]
+    public class BlurOptimized : PostEffectsBase
+    {
+
+        [Range(0, 2)]
+        public int downsample = 1;
+
+        public enum BlurType {
+            StandardGauss = 0,
+            SgxGauss = 1,
+        }
+
+        [Range(0.0f, 10.0f)]
+        public float blurSize = 3.0f;
+
+        [Range(1, 4)]
+        public int blurIterations = 2;
+
+        public BlurType blurType= BlurType.StandardGauss;
+
+        public Shader blurShader = null;
+        private Material blurMaterial = null;
+
+
+        public override bool CheckResources () {
+            CheckSupport (false);
+
+            blurMaterial = CheckShaderAndCreateMaterial (blurShader, blurMaterial);
+
+            if (!isSupported)
+                ReportAutoDisable ();
+            return isSupported;
+        }
+
+        public void OnDisable () {
+            if (blurMaterial)
+                DestroyImmediate (blurMaterial);
+        }
+
+        public void OnRenderImage (RenderTexture source, RenderTexture destination) {
+            if (CheckResources() == false) {
+                Graphics.Blit (source, destination);
+                return;
+            }
+
+            float widthMod = 1.0f / (1.0f * (1<<downsample));
+
+            blurMaterial.SetVector ("_Parameter", new Vector4 (blurSize * widthMod, -blurSize * widthMod, 0.0f, 0.0f));
+            source.filterMode = FilterMode.Bilinear;
+
+            int rtW = source.width >> downsample;
+            int rtH = source.height >> downsample;
+
+            // downsample
+            RenderTexture rt = RenderTexture.GetTemporary (rtW, rtH, 0, source.format);
+
+            rt.filterMode = FilterMode.Bilinear;
+            Graphics.Blit (source, rt, blurMaterial, 0);
+
+            var passOffs= blurType == BlurType.StandardGauss ? 0 : 2;
+
+            for(int i = 0; i < blurIterations; i++) {
+                float iterationOffs = (i*1.0f);
+                blurMaterial.SetVector ("_Parameter", new Vector4 (blurSize * widthMod + iterationOffs, -blurSize * widthMod - iterationOffs, 0.0f, 0.0f));
+
+                // vertical blur
+                RenderTexture rt2 = RenderTexture.GetTemporary (rtW, rtH, 0, source.format);
+                rt2.filterMode = FilterMode.Bilinear;
+                Graphics.Blit (rt, rt2, blurMaterial, 1 + passOffs);
+                RenderTexture.ReleaseTemporary (rt);
+                rt = rt2;
+
+                // horizontal blur
+                rt2 = RenderTexture.GetTemporary (rtW, rtH, 0, source.format);
+                rt2.filterMode = FilterMode.Bilinear;
+                Graphics.Blit (rt, rt2, blurMaterial, 2 + passOffs);
+                RenderTexture.ReleaseTemporary (rt);
+                rt = rt2;
+            }
+
+            Graphics.Blit (rt, destination);
+
+            RenderTexture.ReleaseTemporary (rt);
+        }
+    }
+}