OutlinePostProcess.shader

// Pastebin needs better syntax highlighting. This is a .shader file if that isn't obvious.

// This shader is basically a placeholder that just holds properties mentioned in the other scripts.
// Also I have made this shader SRP batcher compatible.

Shader "Hidden/Harryh___h/Outline_Post_Process"
{
    Properties
    {
        _HHO_OuterThreshold ("Outer Threshold", float) = 0.0
        _HHO_InnerThreshold ("Inner Threshold", float) = 0.0
        _HHO_OutlineSizeX ("Outline Size X", float) = 1.0
        _HHO_OutlineSizeY ("Outline Size Y", float) = 1.0
        _HHO_Rotations ("Rotations", int) = 6
        _HHO_DepthPush ("Depth Push", float) = 0.0
        _HHO_OuterLUT ("Outer LUT", 2D) = "white" {}
        _HHO_InnerLUT ("Inner Lut", 2D) = "white" {}
    }
    SubShader
    {
        Tags
        {
            "LightMode" = "Outline"
        }
        Pass
        {
            Name "Outline"
            HLSLPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma target 5.0

            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
            #include "OutlineShared.hlsl"


            CBUFFER_START(UnityPerMaterial)

            TEXTURE2D(_HHO_OutlineOpaqueTexture);
            SAMPLER(sampler_HHO_OutlineOpaqueTexture);

            CBUFFER_END

            Varyings vert(Attributes IN)
            {
                Varyings OUT;
                OUT.positionHCS = TransformObjectToHClip(IN.positionOS.xyz);
                OUT.uv = IN.uv;
                return OUT;
            }

            float4 frag(Varyings input) : SV_Target
            {
                float4 col = SAMPLE_TEXTURE2D(_HHO_OutlineOpaqueTexture, sampler_HHO_OutlineOpaqueTexture, input.uv);
                return col;
            }
            ENDHLSL
        }
        Tags
        {
            "LightMode" = "OutlineDepth"
        }
        Pass
        {
            Name "OutlineDepth"
            HLSLPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma target 5.0

            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
            #include "OutlineShared.hlsl"

            CBUFFER_START(UnityPerMaterial)

            TEXTURE2D(_HHO_OutlineDepthTexture);
            SAMPLER(sampler_HHO_OutlineDepthTexture);

            CBUFFER_END

            Varyings vert(Attributes IN)
            {
                Varyings OUT;
                OUT.positionHCS = TransformObjectToHClip(IN.positionOS.xyz);
                OUT.uv = IN.uv;
                return OUT;
            }

            float4 frag(Varyings input) : SV_Target
            {
                float4 col = SAMPLE_DEPTH_TEXTURE(_HHO_OutlineDepthTexture, sampler_HHO_OutlineDepthTexture, input.uv);
                return col;
            }
            ENDHLSL
        }
        Tags
        {
            "LightMode" = "OutlineDirect"
        }
        Pass
        {
            Name "OutlineDirect"
            HLSLPROGRAM
            #pragma vertex vert
            #pragma fragment frag
            #pragma target 5.0

            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Core.hlsl"
            #include "Packages/com.unity.render-pipelines.universal/ShaderLibrary/Lighting.hlsl"
            #include "OutlineShared.hlsl"

            CBUFFER_START(UnityPerMaterial)
            TEXTURE2D(_HHO_Pass);
            SAMPLER(sampler_HHO_Pass);
            CBUFFER_END

            Varyings vert(Attributes IN)
            {
                Varyings OUT;
                OUT.positionHCS = TransformObjectToHClip(IN.positionOS.xyz);
                OUT.uv = IN.uv;
                return OUT;
            }

            float4 frag(Varyings input) : SV_Target
            {
                float4 col = SAMPLE_TEXTURE2D(_HHO_Pass, sampler_HHO_Pass, input.uv);
                return col;
            }
            ENDHLSL
        }
    }
}