117 lines
2.4 KiB
Plaintext
117 lines
2.4 KiB
Plaintext
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
|
|
|
|
Shader "Hidden/Blend" {
|
|
Properties {
|
|
_MainTex ("Screen Blended", 2D) = "" {}
|
|
_ColorBuffer ("Color", 2D) = "" {}
|
|
}
|
|
|
|
CGINCLUDE
|
|
|
|
#include "UnityCG.cginc"
|
|
|
|
struct v2f {
|
|
float4 pos : SV_POSITION;
|
|
float2 uv[2] : TEXCOORD0;
|
|
};
|
|
struct v2f_mt {
|
|
float4 pos : SV_POSITION;
|
|
float2 uv[4] : TEXCOORD0;
|
|
};
|
|
|
|
sampler2D _ColorBuffer;
|
|
sampler2D _MainTex;
|
|
|
|
half _Intensity;
|
|
half4 _ColorBuffer_TexelSize;
|
|
half4 _MainTex_TexelSize;
|
|
|
|
v2f vert( appdata_img v ) {
|
|
v2f o;
|
|
o.pos = UnityObjectToClipPos(v.vertex);
|
|
o.uv[0] = v.texcoord.xy;
|
|
o.uv[1] = v.texcoord.xy;
|
|
|
|
#if UNITY_UV_STARTS_AT_TOP
|
|
if (_ColorBuffer_TexelSize.y < 0)
|
|
o.uv[1].y = 1-o.uv[1].y;
|
|
#endif
|
|
|
|
return o;
|
|
}
|
|
|
|
v2f_mt vertMultiTap( appdata_img v ) {
|
|
v2f_mt o;
|
|
o.pos = UnityObjectToClipPos(v.vertex);
|
|
o.uv[0] = v.texcoord.xy + _MainTex_TexelSize.xy * 0.5;
|
|
o.uv[1] = v.texcoord.xy - _MainTex_TexelSize.xy * 0.5;
|
|
o.uv[2] = v.texcoord.xy - _MainTex_TexelSize.xy * half2(1,-1) * 0.5;
|
|
o.uv[3] = v.texcoord.xy + _MainTex_TexelSize.xy * half2(1,-1) * 0.5;
|
|
return o;
|
|
}
|
|
|
|
half4 fragScreen (v2f i) : SV_Target {
|
|
half4 toBlend = saturate (tex2D(_MainTex, i.uv[0]) * _Intensity);
|
|
return 1-(1-toBlend)*(1-tex2D(_ColorBuffer, i.uv[1]));
|
|
}
|
|
|
|
half4 fragAdd (v2f i) : SV_Target {
|
|
return tex2D(_MainTex, i.uv[0].xy) * _Intensity + tex2D(_ColorBuffer, i.uv[1]);
|
|
}
|
|
|
|
half4 fragVignetteBlend (v2f i) : SV_Target {
|
|
return tex2D(_MainTex, i.uv[0].xy) * tex2D(_ColorBuffer, i.uv[0]);
|
|
}
|
|
|
|
half4 fragMultiTap (v2f_mt i) : SV_Target {
|
|
half4 outColor = tex2D(_MainTex, i.uv[0].xy);
|
|
outColor += tex2D(_MainTex, i.uv[1].xy);
|
|
outColor += tex2D(_MainTex, i.uv[2].xy);
|
|
outColor += tex2D(_MainTex, i.uv[3].xy);
|
|
return outColor * 0.25;
|
|
}
|
|
|
|
ENDCG
|
|
|
|
Subshader {
|
|
ZTest Always Cull Off ZWrite Off
|
|
|
|
// 0: nicer & softer "screen" blend mode
|
|
Pass {
|
|
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment fragScreen
|
|
ENDCG
|
|
}
|
|
|
|
// 1: simple "add" blend mode
|
|
Pass {
|
|
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment fragAdd
|
|
ENDCG
|
|
}
|
|
// 2: used for "stable" downsampling
|
|
Pass {
|
|
|
|
CGPROGRAM
|
|
#pragma vertex vertMultiTap
|
|
#pragma fragment fragMultiTap
|
|
ENDCG
|
|
}
|
|
// 3: vignette blending
|
|
Pass {
|
|
|
|
CGPROGRAM
|
|
#pragma vertex vert
|
|
#pragma fragment fragVignetteBlend
|
|
ENDCG
|
|
}
|
|
}
|
|
|
|
Fallback off
|
|
|
|
} // shader
|