Load accumulation.shader

Author: przemyslawzaworski

Diff for: accumulation.cs

@@ -0,0 +1,31 @@
+//Assign script to main camera, then bind material with accumulation.shader
+//It draws fullscreen quad. Shader output is set as shader input for next frame.
+using UnityEngine;
+using System.Collections;
+
+public class accumulation : MonoBehaviour 
+{
+	public Material material;
+	
+	void OnPostRender()
+	{
+		GL.PushMatrix();
+		material.SetPass(0);
+		GL.LoadOrtho();
+		GL.Begin(GL.QUADS);
+		GL.TexCoord2(0, 0);
+		GL.Vertex3(0.0F, 0.0F, 0);
+		GL.TexCoord2(0, 1);
+		GL.Vertex3(0.0F, 1.0F, 0);
+		GL.TexCoord2(1, 1);
+		GL.Vertex3(1.0F, 1.0F, 0);
+		GL.TexCoord2(1, 0);
+		GL.Vertex3(1.0F, 0.0F, 0);
+		GL.End();
+		GL.PopMatrix();		
+		Texture2D buffer = new Texture2D(Screen.width, Screen.height);
+		buffer.ReadPixels(new Rect(0, 0, Screen.width, Screen.height), 0, 0);
+		buffer.Apply();
+		material.mainTexture = buffer;
+	}
+}