ScriptableRenderPipeline/com.unity.testing.srp.lightweight/Tests/Scenes/029_Particles/Shaders/CustomParticleData.shader

Shader "Custom/LightweightPipeline/CustomParticleData"
{
	Properties
	{
		_Color("Color", Color) = (1,1,1,1)
	}
	SubShader
	{
        Tags { "RenderType" = "Opaque" "IgnoreProjectors" = "True" }
		LOD 100

		Blend SrcAlpha OneMinusSrcAlpha

		Pass
		{
			CGPROGRAM
			#pragma vertex vert
			#pragma fragment frag
			// make fog work
			#pragma multi_compile_fog
			
			#include "UnityCG.cginc"

			struct appdata
			{
				float4 vertex : POSITION;
				float4 uv : TEXCOORD0;
				float3 uv2 : TEXCOORD1;
			};

			struct v2f
			{
				float4 uv : TEXCOORD0;
				float3 uv2 : TEXCOORD1;

				UNITY_FOG_COORDS(1)
				float4 vertex : SV_POSITION;
			};
			
			v2f vert (appdata v)
			{
				v2f o;
				o.vertex = UnityObjectToClipPos(v.vertex);
				o.uv = v.uv;
				o.uv2 = v.uv2;
				UNITY_TRANSFER_FOG(o,o.vertex);
				return o;
			}
			
			fixed4 frag (v2f i) : SV_Target
			{
				// sample the texture
				fixed4 col = float4(i.uv.zw, i.uv2.x, 1);
				// apply fog
				UNITY_APPLY_FOG(i.fogCoord, col);
				return col;
			}
			ENDCG
		}
	}
}