131 lines
4.8 KiB
Plaintext
131 lines
4.8 KiB
Plaintext
Shader "Renderers/HairShadowRenderer"
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{
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Properties
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{
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_Color("Color", Color) = (1,1,1,1)
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_ColorMap("ColorMap", 2D) = "white" {}
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// Transparency
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_AlphaCutoff("Alpha Cutoff", Range(0.0, 1.0)) = 0.5
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[HideInInspector]_BlendMode("_BlendMode", Range(0.0, 1.0)) = 0.5
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}
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HLSLINCLUDE
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#pragma target 4.5
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#pragma only_renderers d3d11 playstation xboxone xboxseries vulkan metal switch
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// #pragma enable_d3d11_debug_symbols
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#include "Packages/com.unity.render-pipelines.core/ShaderLibrary/Common.hlsl"
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/ShaderPass.cs.hlsl"
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//#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/FragInputs.hlsl"
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//enable GPU instancing support
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#pragma multi_compile_instancing
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#pragma multi_compile _ DOTS_INSTANCING_ON
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ENDHLSL
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SubShader
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{
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Tags{ "RenderPipeline" = "HDRenderPipeline" }
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Pass
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{
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Name "HairShadow"
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Tags { "LightMode" = "HairShadow" }
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Blend Off
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ZWrite On
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ZTest LEqual
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Cull Front
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HLSLPROGRAM
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#define _SURFACE_TYPE_OPAQUE
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// Toggle the alpha test
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#define _ALPHATEST_ON
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// Toggle transparency
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// #define _SURFACE_TYPE_TRANSPARENT
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// Toggle fog on transparent
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#define _ENABLE_FOG_ON_TRANSPARENT
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// List all the attributes needed in your shader (will be passed to the vertex shader)
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// you can see the complete list of these attributes in VaryingMesh.hlsl
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#define ATTRIBUTES_NEED_TEXCOORD0
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#define ATTRIBUTES_NEED_NORMAL
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#define ATTRIBUTES_NEED_TANGENT
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// List all the varyings needed in your fragment shader
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#define VARYINGS_NEED_TEXCOORD0
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#define VARYINGS_NEED_TANGENT_TO_WORLD
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#define SHADERPASS SHADERPASS_FORWARD_UNLIT
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int _HairShadowPassChannel;
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TEXTURE2D(_ColorMap);
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TEXTURE2D(_HairShadowTex);
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SAMPLER(sampler_HairShadowTex);
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// Declare properties in the UnityPerMaterial cbuffer to make the shader compatible with SRP Batcher.
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CBUFFER_START(UnityPerMaterial)
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float4 _ColorMap_ST;
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float4 _Color;
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float _AlphaCutoff;
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float _BlendMode;
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CBUFFER_END
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassRenderersV2.hlsl"
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// If you need to modify the vertex datas, you can uncomment this code
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// Note: all the transformations here are done in object space
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// #define HAVE_MESH_MODIFICATION
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// AttributesMesh ApplyMeshModification(AttributesMesh input, float3 timeParameters)
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// {
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// input.positionOS += input.normalOS * 0.0001; // inflate a bit the mesh to avoid z-fight
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// return input;
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// }
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// Put the code to render the objects in your custom pass in this function
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void GetSurfaceAndBuiltinData(FragInputs fragInputs, float3 viewDirection, inout PositionInputs posInput, out SurfaceData surfaceData, out BuiltinData builtinData)
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{
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float cDepth = SampleCameraDepth(posInput.positionNDC);
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float mDepth = posInput.deviceDepth;
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float opacity = 1;
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// const float3 color = float3(LinearEyeDepth(posInput.deviceDepth, _ZBufferParams), 0, 0);
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// A manual depth test is needed here. Custom pass will always draw with no regard of depth.
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// This test was given a quite large leeway to avoid discarding when cDepth = mDepth [Suomi, 20230915]
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//float3 color = float3(cDepth < mDepth + 0.01 ? mDepth : 0, 0, 0); // Can get that in HDRP directly
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float3 color = float3(0, 0, 0);
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color.r = mDepth;
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#ifdef _ALPHATEST_ON
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DoAlphaTest(opacity, _AlphaCutoff);
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#endif
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// Write back the data to the output structures
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ZERO_BUILTIN_INITIALIZE(builtinData); // No call to InitBuiltinData as we don't have any lighting
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ZERO_INITIALIZE(SurfaceData, surfaceData);
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builtinData.opacity = opacity;
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builtinData.emissiveColor = float3(0, 0, 0);
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surfaceData.color = color;
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}
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#include "Packages/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/ShaderPass/ShaderPassForwardUnlit.hlsl"
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#pragma vertex Vert
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#pragma fragment Frag
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ENDHLSL
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}
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}
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}
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