Instanced version of the Mobile/Particles/Additive shader

gistfile1.txt

// Instanced version of the Mobile/Particles/Additive shader

// Copyright (c) 2021 bd_. MIT license
// Based on Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt)

Shader "bd_/MobileParticleAdditiveInstanced"
{
    Properties
    {
        _MainTex ("Particle Texture", 2D) = "white" {}
    }
    SubShader
    {
        Tags { "Queue" = "Transparent" "IgnoreProjector" = "True" "RenderType" = "Transparent" "PreviewType" = "Plane" }
        Blend SrcAlpha One
        Cull Off Lighting Off ZWrite Off
        LOD 100

        Pass
        {
            CGPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            // make fog work
            #pragma multi_compile_fog
            #pragma multi_compile_instancing

            #include "UnityCG.cginc"

            UNITY_INSTANCING_BUFFER_START(Props)
            UNITY_INSTANCING_BUFFER_END(Props)

            struct appdata
            {
                float4 vertex : POSITION;
                fixed4 color : COLOR;
                float2 uv : TEXCOORD0;
                UNITY_VERTEX_INPUT_INSTANCE_ID
            };

            struct v2f
            {
                float2 uv : TEXCOORD0;
                fixed4 color : COLOR;
                UNITY_FOG_COORDS(1)
                float4 vertex : SV_POSITION;
            };

            sampler2D _MainTex;
            float4 _MainTex_ST;

            v2f vert (appdata v)
            {
                v2f o;

                UNITY_SETUP_INSTANCE_ID(v);

                o.vertex = UnityObjectToClipPos(v.vertex);
                o.uv = TRANSFORM_TEX(v.uv, _MainTex);
                o.color = v.color;
                UNITY_TRANSFER_FOG(o,o.vertex);
                return o;
            }

            fixed4 frag (v2f i) : SV_Target
            {
                // sample the texture
                fixed4 col = tex2D(_MainTex, i.uv) * i.color;
                // apply fog
                UNITY_APPLY_FOG(i.fogCoord, col);
                return col;
            }
            ENDCG
        }
    }
}