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208 行
8.8 KiB
208 行
8.8 KiB
#ifndef UNITY_MATERIAL_INCLUDED
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#define UNITY_MATERIAL_INCLUDED
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#include "Assets/ScriptableRenderLoop/ShaderLibrary/Packing.hlsl"
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#include "Assets/ScriptableRenderLoop/ShaderLibrary/BSDF.hlsl"
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#include "Assets/ScriptableRenderLoop/ShaderLibrary/CommonLighting.hlsl"
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#include "Assets/ScriptableRenderLoop/HDRenderLoop/Shaders/ShaderConfig.cs"
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#include "Assets/ScriptableRenderLoop/HDRenderLoop/Shaders/Debug/DebugCommon.hlsl"
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#include "Assets/ScriptableRenderLoop/HDRenderLoop/Shaders/LightDefinition.cs.hlsl"
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//-----------------------------------------------------------------------------
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// Parametrization function helpers
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//-----------------------------------------------------------------------------
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float PerceptualRoughnessToRoughness(float perceptualRoughness)
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{
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return perceptualRoughness * perceptualRoughness;
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}
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float RoughnessToPerceptualRoughness(float roughness)
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{
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return sqrt(roughness);
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}
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float PerceptualSmoothnessToRoughness(float perceptualSmoothness)
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{
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return (1 - perceptualSmoothness) * (1 - perceptualSmoothness);
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}
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float PerceptualSmoothnessToPerceptualRoughness(float perceptualSmoothness)
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{
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return (1 - perceptualSmoothness);
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}
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// Encode/Decode velocity in a buffer (either forward of deferred)
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// Design note: We assume that VelocityVector fit into a single buffer (i.e not spread on several buffer)
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void EncodeVelocity(float2 velocity, out float4 outBuffer)
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{
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// RT - 16:16 float
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outBuffer = float4(velocity.xy, 0.0, 0.0);
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}
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float2 DecodeVelocity(float4 inBuffer)
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{
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return float2(inBuffer.xy);
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}
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// Encode/Decode into GBuffer - This is share so others material can use it.
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// Design note: We assume that BakeDiffuseLighting and emissive fit into a single buffer (i.e not spread on several buffer)
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void EncodeBakedDiffuseLigthingIntoGBuffer(float3 bakeDiffuseLighting, out float4 outBuffer)
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{
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// RT - 11:11:10f
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outBuffer = float4(bakeDiffuseLighting.xyz, 0.0);
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}
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float3 DecodeBakedDiffuseLigthingFromGBuffer(float4 inBuffer)
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{
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return float3(inBuffer.xyz);
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}
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//-----------------------------------------------------------------------------
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// BuiltinData
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//-----------------------------------------------------------------------------
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#include "BuiltinData.hlsl"
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//-----------------------------------------------------------------------------
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// SurfaceData
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//-----------------------------------------------------------------------------
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// Here we include all the different lighting model supported by the renderloop based on define done in .shader
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#ifdef UNITY_MATERIAL_LIT
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#include "Lit.hlsl"
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#elif defined(UNITY_MATERIAL_UNLIT)
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#include "Unlit.hlsl"
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#endif
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//-----------------------------------------------------------------------------
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// Define for GBuffer
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//-----------------------------------------------------------------------------
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#ifdef GBUFFER_MATERIAL_COUNT
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#if GBUFFER_MATERIAL_COUNT == 3
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#define OUTPUT_GBUFFER(NAME) \
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out float4 MERGE_NAME(NAME, 0) : SV_Target0, \
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out float4 MERGE_NAME(NAME, 1) : SV_Target1, \
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out float4 MERGE_NAME(NAME, 2) : SV_Target2
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#define DECLARE_GBUFFER_TEXTURE(NAME) \
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Texture2D MERGE_NAME(NAME, 0); \
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Texture2D MERGE_NAME(NAME, 1); \
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Texture2D MERGE_NAME(NAME, 2);
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#define FETCH_GBUFFER(NAME, TEX, UV) \
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float4 MERGE_NAME(NAME, 0) = MERGE_NAME(TEX, 0).Load(uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 1) = MERGE_NAME(TEX, 1).Load(uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 2) = MERGE_NAME(TEX, 2).Load(uint3(UV, 0));
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#define ENCODE_INTO_GBUFFER(SURFACE_DATA, NAME) EncodeIntoGBuffer(SURFACE_DATA, MERGE_NAME(NAME,0), MERGE_NAME(NAME,1), MERGE_NAME(NAME,2))
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#define DECODE_FROM_GBUFFER(NAME) DecodeFromGBuffer(MERGE_NAME(NAME,0), MERGE_NAME(NAME,1), MERGE_NAME(NAME,2))
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#ifdef VELOCITY_IN_GBUFFER
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#define GBUFFER_VELOCITY_NAME(NAME) MERGE_NAME(NAME, 3)
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#define GBUFFER_VELOCITY_TARGET(TARGET) MERGE_NAME(TARGET, 3)
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#define GBUFFER_BAKE_LIGHTING_NAME(NAME) MERGE_NAME(NAME, 4)
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#define GBUFFER_BAKE_LIGHTING_TARGET(TARGET) MERGE_NAME(TARGET, 4)
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#else
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#define GBUFFER_BAKE_LIGHTING_NAME(NAME) MERGE_NAME(NAME, 3)
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#define GBUFFER_BAKE_LIGHTING_TARGET(TARGET) MERGE_NAME(TARGET, 3)
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#endif
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#elif GBUFFER_MATERIAL_COUNT == 4
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#define OUTPUT_GBUFFER(NAME) \
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out float4 MERGE_NAME(NAME, 0) : SV_Target0, \
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out float4 MERGE_NAME(NAME, 1) : SV_Target1, \
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out float4 MERGE_NAME(NAME, 2) : SV_Target2, \
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out float4 MERGE_NAME(NAME, 3) : SV_Target3
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#define DECLARE_GBUFFER_TEXTURE(NAME) \
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Texture2D MERGE_NAME(NAME, 0); \
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Texture2D MERGE_NAME(NAME, 1); \
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Texture2D MERGE_NAME(NAME, 2); \
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Texture2D MERGE_NAME(NAME, 3);
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#define FETCH_GBUFFER(NAME, TEX, UV) \
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float4 MERGE_NAME(NAME, 0) = MERGE_NAME(TEX, 0).Load(uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 1) = MERGE_NAME(TEX, 1).Load(uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 2) = MERGE_NAME(TEX, 2).Load(uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 3) = MERGE_NAME(TEX, 3).Load(uint3(UV, 0));
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#define ENCODE_INTO_GBUFFER(SURFACE_DATA, NAME) EncodeIntoGBuffer(SURFACE_DATA, MERGE_NAME(NAME, 0), MERGE_NAME(NAME, 1), MERGE_NAME(NAME, 2), MERGE_NAME(NAME, 3))
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#define DECODE_FROM_GBUFFER(NAME) DecodeFromGBuffer(MERGE_NAME(NAME, 0), MERGE_NAME(NAME, 1), MERGE_NAME(NAME, 2), MERGE_NAME(NAME, 3))
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#ifdef VELOCITY_IN_GBUFFER
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#define GBUFFER_VELOCITY_NAME(NAME) MERGE_NAME(NAME, 4)
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#define GBUFFER_VELOCITY_TARGET(TARGET) MERGE_NAME(TARGET, 4)
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#define GBUFFER_BAKE_LIGHTING_NAME(NAME) MERGE_NAME(NAME, 5)
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#define GBUFFER_BAKE_LIGHTING_TARGET(TARGET) MERGE_NAME(TARGET, 5)
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#else
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#define GBUFFER_BAKE_LIGHTING_NAME(NAME) MERGE_NAME(NAME, 4)
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#define GBUFFER_BAKE_LIGHTING_TARGET(TARGET) MERGE_NAME(TARGET, 4)
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#endif
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#elif GBUFFER_MATERIAL_COUNT == 5
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#define OUTPUT_GBUFFER(NAME) \
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out float4 MERGE_NAME(NAME, 0) : SV_Target0, \
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out float4 MERGE_NAME(NAME, 1) : SV_Target1, \
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out float4 MERGE_NAME(NAME, 2) : SV_Target2, \
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out float4 MERGE_NAME(NAME, 3) : SV_Target3, \
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out float4 MERGE_NAME(NAME, 4) : SV_Target4
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#define DECLARE_GBUFFER_TEXTURE(NAME) \
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Texture2D MERGE_NAME(NAME, 0); \
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Texture2D MERGE_NAME(NAME, 1); \
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Texture2D MERGE_NAME(NAME, 2); \
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Texture2D MERGE_NAME(NAME, 3); \
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Texture2D MERGE_NAME(NAME, 4);
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#define FETCH_GBUFFER(NAME, TEX, UV) \
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float4 MERGE_NAME(NAME, 0) = MERGE_NAME(TEX, 0).Load(uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 1) = MERGE_NAME(TEX, 1).Load(uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 2) = MERGE_NAME(TEX, 2).Load(uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 3) = MERGE_NAME(TEX, 3).Load(uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 4) = MERGE_NAME(TEX, 4).Load(uint3(UV, 0));
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#define ENCODE_INTO_GBUFFER(SURFACE_DATA, NAME) EncodeIntoGBuffer(SURFACE_DATA, MERGE_NAME(NAME, 0), MERGE_NAME(NAME, 1), MERGE_NAME(NAME, 2), MERGE_NAME(NAME, 3), MERGE_NAME(NAME, 4))
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#define DECODE_FROM_GBUFFER(NAME) DecodeFromGBuffer(MERGE_NAME(NAME, 0), MERGE_NAME(NAME, 1), MERGE_NAME(NAME, 2), MERGE_NAME(NAME, 3), MERGE_NAME(NAME, 4))
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#ifdef VELOCITY_IN_GBUFFER
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#define GBUFFER_VELOCITY_NAME(NAME) MERGE_NAME(NAME, 5)
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#define GBUFFER_VELOCITY_TARGET(TARGET) MERGE_NAME(TARGET, 5)
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#define GBUFFER_BAKE_LIGHTING_NAME(NAME) MERGE_NAME(NAME, 6)
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#define GBUFFER_BAKE_LIGHTING_TARGET(TARGET) MERGE_NAME(TARGET, 6)
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#else
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#define GBUFFER_BAKE_LIGHTING_NAME(NAME) MERGE_NAME(NAME, 5)
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#define GBUFFER_BAKE_LIGHTING_TARGET(TARGET) MERGE_NAME(TARGET, 5)
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#endif
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#endif // #if GBUFFER_MATERIAL_COUNT == 3
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// Generic whatever the number of GBuffer
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#ifdef VELOCITY_IN_GBUFFER
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#define OUTPUT_GBUFFER_VELOCITY(NAME) out float4 GBUFFER_VELOCITY_NAME(NAME) : GBUFFER_VELOCITY_TARGET(SV_Target)
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#define DECLARE_GBUFFER_VELOCITY_TEXTURE(NAME) Texture2D GBUFFER_VELOCITY_NAME(NAME);
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#define ENCODE_VELOCITY_INTO_GBUFFER(VELOCITY, NAME) EncodeVelocity(VELOCITY, GBUFFER_VELOCITY_NAME(NAME))
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#endif
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#define OUTPUT_GBUFFER_BAKE_LIGHTING(NAME) out float4 GBUFFER_BAKE_LIGHTING_NAME(NAME) : GBUFFER_BAKE_LIGHTING_TARGET(SV_Target)
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#define DECLARE_GBUFFER_BAKE_LIGHTING(NAME) Texture2D GBUFFER_BAKE_LIGHTING_NAME(NAME);
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#define ENCODE_BAKE_LIGHTING_INTO_GBUFFER(BAKE_DIFFUSE_LIGHTING, NAME) EncodeBakedDiffuseLigthingIntoGBuffer(BAKE_DIFFUSE_LIGHTING, GBUFFER_BAKE_LIGHTING_NAME(NAME))
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#define FETCH_BAKE_LIGHTING_GBUFFER(NAME, TEX, UV) float4 GBUFFER_BAKE_LIGHTING_NAME(NAME) = GBUFFER_BAKE_LIGHTING_NAME(TEX).Load(uint3(UV, 0));
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#define DECODE_BAKE_LIGHTING_FROM_GBUFFER(NAME) DecodeBakedDiffuseLigthingFromGBuffer(GBUFFER_BAKE_LIGHTING_NAME(NAME))
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#endif // #ifdef GBUFFER_MATERIAL_COUNT
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// Decode velocity need to be accessible in both forward and deferred
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#ifdef VELOCITY_IN_GBUFFER
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#define DECODE_VELOCITY_BUFFER(NAME) DecodeVelocity(GBUFFER_VELOCITY_NAME(NAME))
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#else
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#define DECODE_VELOCITY_BUFFER(NAME) DecodeVelocity(GBUFFER_VELOCITY_NAME(NAME))
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#endif
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#endif // UNITY_MATERIAL_INCLUDED
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