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87 lines
1.8 KiB
87 lines
1.8 KiB
// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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//Shader "Hidden/LowResReplace"
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Shader "Hidden/Fog Volume/Surrogate"
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{
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SubShader{
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Tags{
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"Queue" = "Transparent" "IgnoreProjector" = "True"
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// "RenderType" = "Opaque"
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}
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LOD 100
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//Blend One OneMinusSrcAlpha
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// Blend SrcAlpha OneMinusSrcAlpha
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Blend[_SrcBlend] OneMinusSrcAlpha //One OneMinusSrcAlpha works best with noise
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Fog{ Mode Off }
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Cull Front
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Lighting Off
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ZWrite Off
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ZTest [_ztest]
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//ZTest LEqual
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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#pragma shader_feature _EDITOR_WINDOW
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#define red float4(1, 0,0,1)
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#define green float4(0, 1,0,1)
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int _SrcBlend, _ztest;
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sampler2D RT_FogVolume, RT_FogVolumeR;
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struct appdata_t {
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float4 vertex : POSITION;
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float2 texcoord: TEXCOORD0;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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float4 projPos : TEXCOORD0;
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//float2 uv : TEXCOORD1;
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};
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v2f vert(appdata_t v)
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{
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#if UNITY_UV_STARTS_AT_TOP
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float scale = -1.0;
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#else
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float scale = 1.0;
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#endif
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.projPos = ComputeScreenPos(o.vertex);
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return o;
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}
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half4 frag(v2f i) : SV_Target
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{
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float4 coords = 0, FV;
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coords = UNITY_PROJ_COORD(i.projPos);
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float2 screenUV = coords.xy / coords.w;
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#if UNITY_SINGLE_PASS_STEREO
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float4 scaleOffset = unity_StereoScaleOffset[unity_StereoEyeIndex];
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screenUV = (screenUV - scaleOffset.zw) / scaleOffset.xy;
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#endif
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if (unity_StereoEyeIndex == 0)
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{
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FV = tex2D(RT_FogVolume, screenUV)/**red*/;
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}
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else
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{
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FV = tex2D(RT_FogVolumeR, screenUV)/**green*/;
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}
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#ifdef _EDITOR_WINDOW
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FV = 0;
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// FV= float4(1, 0, 0, 1)*FV;
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#endif
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return FV;
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return float4(1, 0, 0, 1)*FV;
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}
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ENDCG
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}
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}
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}
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