From 6eb915c129fc90c6f4c82ae097dd6ffad5239efc Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Mon, 25 Jan 2021 14:28:30 +0800
Subject: +scripts

---
 Client/Assets/Scripts/PostEffect/FastBloom.cs | 98 +++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 Client/Assets/Scripts/PostEffect/FastBloom.cs

(limited to 'Client/Assets/Scripts/PostEffect/FastBloom.cs')

diff --git a/Client/Assets/Scripts/PostEffect/FastBloom.cs b/Client/Assets/Scripts/PostEffect/FastBloom.cs
new file mode 100644
index 00000000..dc1fc745
--- /dev/null
+++ b/Client/Assets/Scripts/PostEffect/FastBloom.cs
@@ -0,0 +1,98 @@
+using UnityEngine;
+using System.Collections;
+
+[ExecuteInEditMode]
+[RequireComponent(typeof(Camera))]
+public class FastBloom : PostEffectsBase
+{
+    public enum Resolution {
+		Low = 0,
+		High = 1,
+	}
+
+	public enum BlurType {
+		Standard = 0,
+		Sgx = 1,
+	}
+
+	[Range(0.0f, 1.5f)]
+	public float threshhold = 0.25f;
+	[Range(0.0f, 2.5f)]
+	public float intensity = 0.75f;
+
+	[Range(0.25f, 5.5f)]
+	public float blurSize = 1.0f;
+	
+	Resolution resolution = Resolution.Low;
+	[Range(1, 4)]
+	public int blurIterations = 1;
+
+	public BlurType blurType = BlurType.Standard;
+
+	public Shader fastBloomShader;
+	private Material fastBloomMaterial = null;
+	
+	new bool CheckResources ()
+    {	
+		CheckSupport (false);	
+	
+		fastBloomMaterial = CheckShaderAndCreateMaterial (fastBloomShader, fastBloomMaterial);
+		
+		if(!isSupported)
+			ReportAutoDisable ();
+		return isSupported;				
+	}
+
+	void OnDisable() {
+		if(fastBloomMaterial)
+			DestroyImmediate (fastBloomMaterial);
+	}
+	
+	void OnRenderImage (RenderTexture source, RenderTexture destination) 
+    {	
+		if(CheckResources() == false) {
+			Graphics.Blit (source, destination);
+			return;
+		}
+
+		int divider = resolution == Resolution.Low ? 4 : 2;
+		float widthMod = resolution == Resolution.Low ? 0.5f : 1.0f;
+
+		fastBloomMaterial.SetVector ("_Parameter",new Vector4 (blurSize * widthMod, 0.0f, threshhold, intensity));
+		source.filterMode = FilterMode.Bilinear;
+
+		var rtW = source.width/divider;
+		var rtH = source.height/divider;
+
+		// downsample
+		RenderTexture rt = RenderTexture.GetTemporary (rtW, rtH, 0, source.format);
+		rt.filterMode = FilterMode.Bilinear;
+		Graphics.Blit (source, rt, fastBloomMaterial, 1);
+
+		int passOffs = blurType == BlurType.Standard ? 0 : 2;
+		
+		for(int i = 0; i < blurIterations; i++) {
+            fastBloomMaterial.SetVector("_Parameter", new Vector4(blurSize * widthMod + (i * 1.0f), 0.0f, threshhold, intensity));
+
+			// vertical blur
+			RenderTexture rt2 = RenderTexture.GetTemporary (rtW, rtH, 0, source.format);
+			rt2.filterMode = FilterMode.Bilinear;
+			Graphics.Blit (rt, rt2, fastBloomMaterial, 2 + passOffs);
+			RenderTexture.ReleaseTemporary (rt);
+			rt = rt2;
+
+			// horizontal blur
+			rt2 = RenderTexture.GetTemporary (rtW, rtH, 0, source.format);
+			rt2.filterMode = FilterMode.Bilinear;
+			Graphics.Blit (rt, rt2, fastBloomMaterial, 3 + passOffs);
+			RenderTexture.ReleaseTemporary (rt);
+			rt = rt2;
+		}
+		
+		fastBloomMaterial.SetTexture ("_Bloom", rt);
+
+		Graphics.Blit (source, destination, fastBloomMaterial, 0);
+
+		RenderTexture.ReleaseTemporary (rt);
+	}	
+}
-- 
cgit v1.1-26-g67d0