Image Effect Template

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(Created page with "Category: Unity 3.x shaders Category: Cg shaders Author: Daniel Brauer == Description == This is one of the simplest image effect shaders you c...")

Revision as of 20:21, 2 January 2013


Author: Daniel Brauer

Description

This is one of the simplest image effect shaders you can write. It uses a vertex program and input defined in UnityCG, and the fragment program just returns the colour that was fed in. This is a good starting point for custom image effects applied using Graphics.Blit().

ShaderLab - Passthrough.shader

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Shader "Hidden/Passthrough" {
	Properties {
		_MainTex ("Render Input", 2D) = "white" {}
	}
	SubShader {
		
		Pass {
			CGPROGRAM
				#pragma vertex vert_img
				#pragma fragment frag
				#include "UnityCG.cginc"
			
				sampler2D _MainTex;
			
				float4 frag(v2f_img IN) : COLOR {
					half4 c = tex2D (_MainTex, IN.uv);
					return c;
				}
			ENDCG
		}
	}
}
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