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187 行
8.4 KiB
187 行
8.4 KiB
#ifndef UNITY_MATERIAL_INCLUDED
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#define UNITY_MATERIAL_INCLUDED
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#include "Packing.hlsl"
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#include "BSDF.hlsl"
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#include "Debug.hlsl"
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#include "GeometricTools.hlsl"
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#include "CommonMaterial.hlsl"
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#include "EntityLighting.hlsl"
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//-----------------------------------------------------------------------------
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// common Encode/Decode functions
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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 "Builtin/BuiltinData.hlsl"
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//-----------------------------------------------------------------------------
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// Material definition
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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/Lit.hlsl"
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#elif defined(UNITY_MATERIAL_UNLIT)
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#include "Unlit/Unlit.hlsl"
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#endif
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//-----------------------------------------------------------------------------
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// Define for GBuffer management
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//-----------------------------------------------------------------------------
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#ifdef GBUFFERMATERIAL_COUNT
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#if GBUFFERMATERIAL_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) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 0), uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 1) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 1), uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 2) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 2), 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 GBUFFERMATERIAL_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) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 0), uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 1) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 1), uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 2) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 2), uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 3) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 3), 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 GBUFFERMATERIAL_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) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 0), uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 1) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 1), uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 2) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 2), uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 3) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 3), uint3(UV, 0)); \
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float4 MERGE_NAME(NAME, 4) = LOAD_TEXTURE2D(MERGE_NAME(TEX, 4), 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 GBUFFERMATERIAL_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 GBUFFERMATERIAL_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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