68 lines
3.2 KiB
HLSL
68 lines
3.2 KiB
HLSL
// SPDX-License-Identifier: (Not available for this version, you are only allowed to use this software if you have express permission from the copyright holder and agreed to the latest NiloToonURP EULA)
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// Copyright (c) 2021 Kuroneko ShaderLab Limited
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// For more information, visit -> https://github.com/ColinLeung-NiloCat/UnityURPToonLitShaderExample
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// This file is intended for you to extend NiloToon Environment shader with your own custom logic.
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// Add whatever code you want in this file, there are some empty functions below for you to override by your own method
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// *Recommend using Rider as shader IDE to get auto complete from function's input struct
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// You can extend NiloToon Environment shader by writing additional code here without worrying about merge conflict in future updates,
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// because this .hlsl is just an almost empty .hlsl file with empty functions for you to fill in extra code (NiloToon's developer wont make change to this file often).
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// You can use empty functions below to apply your global effect, similar to environment-only postprocess (e.g. add fog of war/dithered transparency/scan line/...).
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// If you want us to expose more empty functions at another shading timing, feel free contact nilotoon@gmail.com
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// #pragma once is a safeguard best practice in almost every .hlsl,
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// doing this can make sure your .hlsl's user can include this .hlsl anywhere anytime without producing any multi include conflict
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#pragma once
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// [write your custom local/global uniforms, includes and texture/samplers here]
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// #include "YourCustomLogic.hlsl"
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// sampler2D _YourGlobalTexture;
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// float _YourGlobalUniform;
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// sampler2D _YourLocalTexture;
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// float _YourLocalUniform; // will break SRP batching, because it is not inside CBUFFER_START(UnityPerMaterial)
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void ApplyCustomUserLogicToVertexAttributeAtVertexShaderStart(inout Attributes attribute)
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{
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// edit vertex Attributes by your custom logic here
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// similar to the vertex output node of URP's Lit ShaderGraph:
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// - (Object Space) Vertex
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// - (Object Space) Normal
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// - (Object Space) Tangent
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//attribute.positionOS *= 0.5; // example code, make environment mesh smaller
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}
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void ApplyCustomUserLogicToVertexShaderOutputAtVertexShaderEnd(inout Varyings output, Attributes attribute)
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{
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// edit vertex to fragment Varying struct by your custom logic here
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//output.positionCS.xy += sin(_Time + output.positionWS.z) * 0.25; // example code, make environment vertex move in clip space
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}
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void ApplyCustomUserLogicToSurfaceData(inout SurfaceData surfaceData, Varyings input)
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{
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// edit SurfaceData by your custom logic here
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//surfaceData.albedo *= half4(1,0,0,1); // example code, tint environment's albedo with red color
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}
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void ApplyCustomUserLogicBeforeFog(inout half4 color, SurfaceData surfaceData, InputData inputData)
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{
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// edit color by your custom logic here
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//color.rgb *= frac(length(inputData.positionWS)); // example code, tint some pattern to environment's color before applying fog
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}
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void ApplyCustomUserLogicAfterFog(inout half4 color, SurfaceData surfaceData, InputData inputData)
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{
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// edit color by your custom logic here
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//color *= half4(0,1,0,1); // example code, tint environment's final display pixels with green color
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}
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