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220 行
14 KiB
220 行
14 KiB
#ifndef UNITY_MACROS_INCLUDED
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#define UNITY_MACROS_INCLUDED
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// Some shader compiler don't support to do multiple ## for concatenation inside the same macro, it require an indirection.
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// This is the purpose of this macro
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#define MERGE_NAME(X, Y) X##Y
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// These define are use to abstract the way we sample into a cubemap array.
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// Some platform don't support cubemap array so we fallback on 2D latlong
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#ifdef UNITY_NO_CUBEMAP_ARRAY
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#define TEXTURECUBE_ARRAY_ABSTRACT TEXTURE2D_ARRAY
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#define TEXTURECUBE_ARRAY_ARGS_ABSTRACT TEXTURE2D_ARRAY_ARGS
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#define TEXTURECUBE_ARRAY_PARAM_ABSTRACT TEXTURE2D_ARRAY_PARAM
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#define SAMPLE_TEXTURECUBE_ARRAY_LOD_ABSTRACT(textureName, samplerName, coord3, index, lod) SAMPLE_TEXTURE2D_ARRAY_LOD(textureName, samplerName, DirectionToLatLongCoordinate(coord3), index, lod)
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#else
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#define TEXTURECUBE_ARRAY_ABSTRACT TEXTURECUBE_ARRAY
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#define TEXTURECUBE_ARRAY_ARGS_ABSTRACT TEXTURECUBE_ARRAY_ARGS
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#define TEXTURECUBE_ARRAY_PARAM_ABSTRACT TEXTURECUBE_ARRAY_PARAM
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#define SAMPLE_TEXTURECUBE_ARRAY_LOD_ABSTRACT(textureName, samplerName, coord3, index, lod) SAMPLE_TEXTURECUBE_ARRAY_LOD(textureName, samplerName, coord3, index, lod)
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#endif
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#define PI 3.14159265358979323846
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#define TWO_PI 6.28318530717958647693
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#define FOUR_PI 12.5663706143591729538
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#define INV_PI 0.31830988618379067154
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#define INV_TWO_PI 0.15915494309189533577
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#define INV_FOUR_PI 0.07957747154594766788
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#define HALF_PI 1.57079632679489661923
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#define INV_HALF_PI 0.63661977236758134308
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#define LOG2_E 1.44269504088896340736
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#define MILLIMETERS_PER_METER 1000
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#define METERS_PER_MILLIMETER rcp(MILLIMETERS_PER_METER)
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#define CENTIMETERS_PER_METER 100
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#define METERS_PER_CENTIMETER rcp(CENTIMETERS_PER_METER)
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#define FLT_INF asfloat(0x7F800000)
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#define FLT_EPS 5.960464478e-8 // 2^-24, machine epsilon: 1 + EPS = 1 (half of the ULP for 1.0f)
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#define FLT_MIN 1.175494351e-38 // Minimum representable positive floating-point number
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#define FLT_MAX 3.402823466e+38 // Maximum representable floating-point number
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#define HALF_MIN 6.103515625e-5 // 2^-14, the same value for 10, 11 and 16-bit: https://www.khronos.org/opengl/wiki/Small_Float_Formats
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#define HALF_MAX 65504.0
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#define UINT_MAX 0xFFFFFFFFu
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#define TEMPLATE_1_FLT(FunctionName, Parameter1, FunctionBody) \
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float FunctionName(float Parameter1) { FunctionBody; } \
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float2 FunctionName(float2 Parameter1) { FunctionBody; } \
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float3 FunctionName(float3 Parameter1) { FunctionBody; } \
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float4 FunctionName(float4 Parameter1) { FunctionBody; }
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#define TEMPLATE_1_HALF(FunctionName, Parameter1, FunctionBody) \
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half FunctionName(half Parameter1) { FunctionBody; } \
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half2 FunctionName(half2 Parameter1) { FunctionBody; } \
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half3 FunctionName(half3 Parameter1) { FunctionBody; } \
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half4 FunctionName(half4 Parameter1) { FunctionBody; } \
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float FunctionName(float Parameter1) { FunctionBody; } \
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float2 FunctionName(float2 Parameter1) { FunctionBody; } \
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float3 FunctionName(float3 Parameter1) { FunctionBody; } \
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float4 FunctionName(float4 Parameter1) { FunctionBody; }
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#ifdef SHADER_API_GLES
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#define TEMPLATE_1_INT(FunctionName, Parameter1, FunctionBody) \
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int FunctionName(int Parameter1) { FunctionBody; } \
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int2 FunctionName(int2 Parameter1) { FunctionBody; } \
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int3 FunctionName(int3 Parameter1) { FunctionBody; } \
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int4 FunctionName(int4 Parameter1) { FunctionBody; }
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#else
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#define TEMPLATE_1_INT(FunctionName, Parameter1, FunctionBody) \
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int FunctionName(int Parameter1) { FunctionBody; } \
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int2 FunctionName(int2 Parameter1) { FunctionBody; } \
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int3 FunctionName(int3 Parameter1) { FunctionBody; } \
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int4 FunctionName(int4 Parameter1) { FunctionBody; } \
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uint FunctionName(uint Parameter1) { FunctionBody; } \
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uint2 FunctionName(uint2 Parameter1) { FunctionBody; } \
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uint3 FunctionName(uint3 Parameter1) { FunctionBody; } \
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uint4 FunctionName(uint4 Parameter1) { FunctionBody; }
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#endif
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#define TEMPLATE_2_FLT(FunctionName, Parameter1, Parameter2, FunctionBody) \
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float FunctionName(float Parameter1, float Parameter2) { FunctionBody; } \
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float2 FunctionName(float2 Parameter1, float2 Parameter2) { FunctionBody; } \
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float3 FunctionName(float3 Parameter1, float3 Parameter2) { FunctionBody; } \
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float4 FunctionName(float4 Parameter1, float4 Parameter2) { FunctionBody; }
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#define TEMPLATE_2_HALF(FunctionName, Parameter1, Parameter2, FunctionBody) \
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half FunctionName(half Parameter1, half Parameter2) { FunctionBody; } \
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half2 FunctionName(half2 Parameter1, half2 Parameter2) { FunctionBody; } \
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half3 FunctionName(half3 Parameter1, half3 Parameter2) { FunctionBody; } \
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half4 FunctionName(half4 Parameter1, half4 Parameter2) { FunctionBody; } \
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float FunctionName(float Parameter1, float Parameter2) { FunctionBody; } \
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float2 FunctionName(float2 Parameter1, float2 Parameter2) { FunctionBody; } \
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float3 FunctionName(float3 Parameter1, float3 Parameter2) { FunctionBody; } \
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float4 FunctionName(float4 Parameter1, float4 Parameter2) { FunctionBody; }
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#ifdef SHADER_API_GLES
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#define TEMPLATE_2_INT(FunctionName, Parameter1, Parameter2, FunctionBody) \
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int FunctionName(int Parameter1, int Parameter2) { FunctionBody; } \
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int2 FunctionName(int2 Parameter1, int2 Parameter2) { FunctionBody; } \
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int3 FunctionName(int3 Parameter1, int3 Parameter2) { FunctionBody; } \
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int4 FunctionName(int4 Parameter1, int4 Parameter2) { FunctionBody; }
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#else
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#define TEMPLATE_2_INT(FunctionName, Parameter1, Parameter2, FunctionBody) \
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int FunctionName(int Parameter1, int Parameter2) { FunctionBody; } \
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int2 FunctionName(int2 Parameter1, int2 Parameter2) { FunctionBody; } \
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int3 FunctionName(int3 Parameter1, int3 Parameter2) { FunctionBody; } \
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int4 FunctionName(int4 Parameter1, int4 Parameter2) { FunctionBody; } \
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uint FunctionName(uint Parameter1, uint Parameter2) { FunctionBody; } \
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uint2 FunctionName(uint2 Parameter1, uint2 Parameter2) { FunctionBody; } \
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uint3 FunctionName(uint3 Parameter1, uint3 Parameter2) { FunctionBody; } \
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uint4 FunctionName(uint4 Parameter1, uint4 Parameter2) { FunctionBody; }
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#endif
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#define TEMPLATE_3_FLT(FunctionName, Parameter1, Parameter2, Parameter3, FunctionBody) \
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float FunctionName(float Parameter1, float Parameter2, float Parameter3) { FunctionBody; } \
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float2 FunctionName(float2 Parameter1, float2 Parameter2, float2 Parameter3) { FunctionBody; } \
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float3 FunctionName(float3 Parameter1, float3 Parameter2, float3 Parameter3) { FunctionBody; } \
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float4 FunctionName(float4 Parameter1, float4 Parameter2, float4 Parameter3) { FunctionBody; }
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#define TEMPLATE_3_HALF(FunctionName, Parameter1, Parameter2, Parameter3, FunctionBody) \
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half FunctionName(half Parameter1, half Parameter2, half Parameter3) { FunctionBody; } \
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half2 FunctionName(half2 Parameter1, half2 Parameter2, half2 Parameter3) { FunctionBody; } \
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half3 FunctionName(half3 Parameter1, half3 Parameter2, half3 Parameter3) { FunctionBody; } \
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half4 FunctionName(half4 Parameter1, half4 Parameter2, half4 Parameter3) { FunctionBody; } \
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float FunctionName(float Parameter1, float Parameter2, float Parameter3) { FunctionBody; } \
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float2 FunctionName(float2 Parameter1, float2 Parameter2, float2 Parameter3) { FunctionBody; } \
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float3 FunctionName(float3 Parameter1, float3 Parameter2, float3 Parameter3) { FunctionBody; } \
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float4 FunctionName(float4 Parameter1, float4 Parameter2, float4 Parameter3) { FunctionBody; }
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#ifdef SHADER_API_GLES
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#define TEMPLATE_3_INT(FunctionName, Parameter1, Parameter2, Parameter3, FunctionBody) \
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int FunctionName(int Parameter1, int Parameter2, int Parameter3) { FunctionBody; } \
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int2 FunctionName(int2 Parameter1, int2 Parameter2, int2 Parameter3) { FunctionBody; } \
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int3 FunctionName(int3 Parameter1, int3 Parameter2, int3 Parameter3) { FunctionBody; } \
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int4 FunctionName(int4 Parameter1, int4 Parameter2, int4 Parameter3) { FunctionBody; }
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#else
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#define TEMPLATE_3_INT(FunctionName, Parameter1, Parameter2, Parameter3, FunctionBody) \
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int FunctionName(int Parameter1, int Parameter2, int Parameter3) { FunctionBody; } \
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int2 FunctionName(int2 Parameter1, int2 Parameter2, int2 Parameter3) { FunctionBody; } \
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int3 FunctionName(int3 Parameter1, int3 Parameter2, int3 Parameter3) { FunctionBody; } \
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int4 FunctionName(int4 Parameter1, int4 Parameter2, int4 Parameter3) { FunctionBody; } \
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uint FunctionName(uint Parameter1, uint Parameter2, uint Parameter3) { FunctionBody; } \
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uint2 FunctionName(uint2 Parameter1, uint2 Parameter2, uint2 Parameter3) { FunctionBody; } \
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uint3 FunctionName(uint3 Parameter1, uint3 Parameter2, uint3 Parameter3) { FunctionBody; } \
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uint4 FunctionName(uint4 Parameter1, uint4 Parameter2, uint4 Parameter3) { FunctionBody; }
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#endif
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#ifdef SHADER_API_GLES
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#define TEMPLATE_SWAP(FunctionName) \
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void FunctionName(inout real a, inout real b) { real t = a; a = b; b = t; } \
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void FunctionName(inout real2 a, inout real2 b) { real2 t = a; a = b; b = t; } \
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void FunctionName(inout real3 a, inout real3 b) { real3 t = a; a = b; b = t; } \
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void FunctionName(inout real4 a, inout real4 b) { real4 t = a; a = b; b = t; } \
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void FunctionName(inout int a, inout int b) { int t = a; a = b; b = t; } \
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void FunctionName(inout int2 a, inout int2 b) { int2 t = a; a = b; b = t; } \
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void FunctionName(inout int3 a, inout int3 b) { int3 t = a; a = b; b = t; } \
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void FunctionName(inout int4 a, inout int4 b) { int4 t = a; a = b; b = t; } \
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void FunctionName(inout bool a, inout bool b) { bool t = a; a = b; b = t; } \
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void FunctionName(inout bool2 a, inout bool2 b) { bool2 t = a; a = b; b = t; } \
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void FunctionName(inout bool3 a, inout bool3 b) { bool3 t = a; a = b; b = t; } \
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void FunctionName(inout bool4 a, inout bool4 b) { bool4 t = a; a = b; b = t; }
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#else
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#if HAS_HALF
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#define TEMPLATE_SWAP(FunctionName) \
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void FunctionName(inout real a, inout real b) { real t = a; a = b; b = t; } \
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void FunctionName(inout real2 a, inout real2 b) { real2 t = a; a = b; b = t; } \
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void FunctionName(inout real3 a, inout real3 b) { real3 t = a; a = b; b = t; } \
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void FunctionName(inout real4 a, inout real4 b) { real4 t = a; a = b; b = t; } \
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void FunctionName(inout float a, inout float b) { float t = a; a = b; b = t; } \
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void FunctionName(inout float2 a, inout float2 b) { float2 t = a; a = b; b = t; } \
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void FunctionName(inout float3 a, inout float3 b) { float3 t = a; a = b; b = t; } \
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void FunctionName(inout float4 a, inout float4 b) { float4 t = a; a = b; b = t; } \
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void FunctionName(inout int a, inout int b) { int t = a; a = b; b = t; } \
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void FunctionName(inout int2 a, inout int2 b) { int2 t = a; a = b; b = t; } \
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void FunctionName(inout int3 a, inout int3 b) { int3 t = a; a = b; b = t; } \
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void FunctionName(inout int4 a, inout int4 b) { int4 t = a; a = b; b = t; } \
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void FunctionName(inout uint a, inout uint b) { uint t = a; a = b; b = t; } \
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void FunctionName(inout uint2 a, inout uint2 b) { uint2 t = a; a = b; b = t; } \
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void FunctionName(inout uint3 a, inout uint3 b) { uint3 t = a; a = b; b = t; } \
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void FunctionName(inout uint4 a, inout uint4 b) { uint4 t = a; a = b; b = t; } \
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void FunctionName(inout bool a, inout bool b) { bool t = a; a = b; b = t; } \
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void FunctionName(inout bool2 a, inout bool2 b) { bool2 t = a; a = b; b = t; } \
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void FunctionName(inout bool3 a, inout bool3 b) { bool3 t = a; a = b; b = t; } \
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void FunctionName(inout bool4 a, inout bool4 b) { bool4 t = a; a = b; b = t; }
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#else
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#define TEMPLATE_SWAP(FunctionName) \
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void FunctionName(inout real a, inout real b) { real t = a; a = b; b = t; } \
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void FunctionName(inout real2 a, inout real2 b) { real2 t = a; a = b; b = t; } \
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void FunctionName(inout real3 a, inout real3 b) { real3 t = a; a = b; b = t; } \
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void FunctionName(inout real4 a, inout real4 b) { real4 t = a; a = b; b = t; } \
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void FunctionName(inout int a, inout int b) { int t = a; a = b; b = t; } \
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void FunctionName(inout int2 a, inout int2 b) { int2 t = a; a = b; b = t; } \
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void FunctionName(inout int3 a, inout int3 b) { int3 t = a; a = b; b = t; } \
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void FunctionName(inout int4 a, inout int4 b) { int4 t = a; a = b; b = t; } \
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void FunctionName(inout uint a, inout uint b) { uint t = a; a = b; b = t; } \
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void FunctionName(inout uint2 a, inout uint2 b) { uint2 t = a; a = b; b = t; } \
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void FunctionName(inout uint3 a, inout uint3 b) { uint3 t = a; a = b; b = t; } \
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void FunctionName(inout uint4 a, inout uint4 b) { uint4 t = a; a = b; b = t; } \
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void FunctionName(inout bool a, inout bool b) { bool t = a; a = b; b = t; } \
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void FunctionName(inout bool2 a, inout bool2 b) { bool2 t = a; a = b; b = t; } \
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void FunctionName(inout bool3 a, inout bool3 b) { bool3 t = a; a = b; b = t; } \
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void FunctionName(inout bool4 a, inout bool4 b) { bool4 t = a; a = b; b = t; }
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#endif
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#endif
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// MACRO from Legacy Untiy
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// Transforms 2D UV by scale/bias property
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#define TRANSFORM_TEX(tex, name) ((tex.xy) * name##_ST.xy + name##_ST.zw)
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#define GET_TEXELSIZE_NAME(name) (name##_TexelSize)
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#if UNITY_REVERSED_Z
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# define COMPARE_DEVICE_DEPTH_CLOSER(shadowMapDepth, zDevice) (shadowMapDepth > zDevice)
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# define COMPARE_DEVICE_DEPTH_CLOSEREQUAL(shadowMapDepth, zDevice) (shadowMapDepth >= zDevice)
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#else
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# define COMPARE_DEVICE_DEPTH_CLOSER(shadowMapDepth, zDevice) (shadowMapDepth < zDevice)
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# define COMPARE_DEVICE_DEPTH_CLOSEREQUAL(shadowMapDepth, zDevice) (shadowMapDepth <= zDevice)
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#endif
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#endif // UNITY_MACROS_INCLUDED
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