*

Assets/Standard Assets/Image Effects (Pro Only)/_Sources/Shaders/GlowEffectDownsample.shader

@@ -0,0 +1,73 @@
+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+Shader "Hidden/Glow Downsample" {
+
+Properties {
+	_Color ("Color", color) = (1,1,1,0)
+	_MainTex ("", 2D) = "white" {}
+}
+
+Subshader { 
+	
+	Pass {
+		ZTest Always Cull Off ZWrite Off
+		
+CGPROGRAM
+#pragma vertex vert
+#pragma fragment frag
+
+#include "UnityCG.cginc"
+
+struct v2f {
+	float4 pos : SV_POSITION;
+	float4 uv[4] : TEXCOORD0;
+};
+
+float4 _MainTex_TexelSize;
+
+v2f vert (appdata_img v)
+{
+	v2f o;
+	o.pos = UnityObjectToClipPos (v.vertex);
+	float4 uv;
+	uv.xy = MultiplyUV (UNITY_MATRIX_TEXTURE0, v.texcoord);
+	uv.zw = 0;
+	float offX = _MainTex_TexelSize.x;
+	float offY = _MainTex_TexelSize.y;
+	
+	// Direct3D9 needs some texel offset!
+	#ifdef UNITY_HALF_TEXEL_OFFSET
+	uv.x += offX * 2.0f;
+	uv.y += offY * 2.0f;
+	#endif
+	o.uv[0] = uv + float4(-offX,-offY,0,1);
+	o.uv[1] = uv + float4( offX,-offY,0,1);
+	o.uv[2] = uv + float4( offX, offY,0,1);
+	o.uv[3] = uv + float4(-offX, offY,0,1);
+	return o;
+}
+
+sampler2D _MainTex;
+fixed4 _Color;
+
+fixed4 frag( v2f i ) : SV_Target
+{
+	fixed4 c;
+	c  = tex2D( _MainTex, i.uv[0].xy );
+	c += tex2D( _MainTex, i.uv[1].xy );
+	c += tex2D( _MainTex, i.uv[2].xy );
+	c += tex2D( _MainTex, i.uv[3].xy );
+	c /= 4;
+	c.rgb *= _Color.rgb;
+	c.rgb *= (c.a + _Color.a);
+	c.a = 0;
+	return c;
+}
+ENDCG
+
+	}
+}
+
+Fallback off
+
+}