Forums | NoesisGUI

Shader "Noesis/Alpha Blended Premultiply" {
	Properties{
		_MainTex("RenderTexture", 2D) = "black" {}
	}

		Category{
			Blend Off
			Cull Off 
		    Lighting Off 
		    ZWrite Off 
		    Fog { Mode Off }

			SubShader {
				Pass {

					CGPROGRAM
					#pragma vertex vert
					#pragma fragment frag
					#include "UnityCG.cginc"

					sampler2D _MainTex;

					struct appdata_t {
						float4 vertex : POSITION;
						float2 texcoord : TEXCOORD0;
					};

					struct v2f {
						float4 vertex : SV_POSITION;
						float2 texcoord : TEXCOORD0;
					};

					float4 _MainTex_ST;

					v2f vert(appdata_t v)
					{
						v2f o;
						o.vertex = UnityObjectToClipPos(v.vertex);
						o.texcoord = TRANSFORM_TEX(v.texcoord,_MainTex);
						return o;
					}

					fixed4 frag(v2f i) : SV_Target
					{
						fixed4 c = tex2D(_MainTex, i.texcoord);
						c.r *= c.a;
						c.g *= c.a;
						c.b *= c.a;
				
						return c;
					}
					ENDCG
				}
			}
		}
}