Add shaders

Sources/Shaders/EnviroFogRenderingDisabled.shader

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+
+Shader "Enviro/Standard/EnviroFogRenderingDisabled" 
+{
+	Properties
+	{ 
+		_EnviroVolumeLightingTex("Volume Lighting Tex",  Any) = ""{}
+		_MainTex("Source",  Any) = "black"{}
+	}
+	SubShader
+	{
+		Pass
+		{
+			ZTest Always Cull Off ZWrite Off Fog { Mode Off }
+
+	CGPROGRAM
+	#pragma vertex vert
+	#pragma fragment frag
+	#pragma target 3.0
+	#pragma multi_compile ENVIROVOLUMELIGHT
+	#pragma exclude_renderers gles
+
+	#include "UnityCG.cginc" 
+
+	UNITY_DECLARE_SCREENSPACE_TEXTURE(_MainTex);
+	uniform sampler2D _EnviroVolumeLightingTex;
+	uniform float4 _MainTex_TexelSize;
+	uniform float4 _EnviroParams;
+	uniform float _EnviroVolumeDensity;
+
+	struct appdata_t 
+	{
+		float4 vertex : POSITION;
+		float3 texcoord : TEXCOORD0;
+		UNITY_VERTEX_INPUT_INSTANCE_ID
+	};
+
+	struct v2f 
+	{
+		float4 pos : SV_POSITION;
+		float3 texcoord : TEXCOORD0;
+		float3 sky : TEXCOORD1;
+		float2 uv : TEXCOORD2;
+		UNITY_VERTEX_OUTPUT_STEREO
+	};
+
+
+	v2f vert(appdata_img v)
+	{
+		v2f o;
+		UNITY_SETUP_INSTANCE_ID(v); //Insert
+		UNITY_INITIALIZE_OUTPUT(v2f, o); //Insert
+		UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o); //Ins
+		o.pos = v.vertex * float4(2, 2, 1, 1) + float4(-1, -1, 0, 0);
+		o.uv.xy = v.texcoord.xy;
+#if UNITY_UV_STARTS_AT_TOP
+		if (_MainTex_TexelSize.y > 0)
+			o.uv.y = 1 - o.uv.y;
+#endif 
+		return o;
+	}
+
+	half3 tonemapACES(half3 color, float Exposure)
+	{
+		color *= Exposure;
+
+		// See https://knarkowicz.wordpress.com/2016/01/06/aces-filmic-tone-mapping-curve/
+		const half a = 2.51;
+		const half b = 0.03;
+		const half c = 2.43;
+		const half d = 0.59;
+		const half e = 0.14;
+		return saturate((color * (a * color + b)) / (color * (c * color + d) + e));
+	}
+
+	fixed4 frag(v2f i) : SV_Target
+	{
+		UNITY_SETUP_STEREO_EYE_INDEX_POST_VERTEX(i);
+		float4 source = UNITY_SAMPLE_SCREENSPACE_TEXTURE(_MainTex, UnityStereoTransformScreenSpaceTex(i.uv));
+		
+		#if defined (ENVIROVOLUMELIGHT)
+			float4 volumeLighting = tex2D(_EnviroVolumeLightingTex, UnityStereoTransformScreenSpaceTex(i.uv));
+			volumeLighting *= _EnviroParams.x; 
+			if (_EnviroParams.w == 1)
+			{
+				volumeLighting.rgb = tonemapACES(volumeLighting.rgb, 1.0);
+			}
+			return lerp(source, source + volumeLighting, _EnviroVolumeDensity);
+		#else
+			return source;
+		#endif
+		}
+		ENDCG
+		}
+	}
+	Fallback Off
+}