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Moved slice into a separate float to avoid unnecessary casting in the shader.

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uygar 7 年前
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34eeceb3
共有 6 个文件被更改，包括 109 次插入 和 143 次删除
  1. 13
      ScriptableRenderPipeline/Core/CoreRP/ShaderLibrary/Shadow/Shadow.hlsl
  2. 133
      ScriptableRenderPipeline/Core/CoreRP/ShaderLibrary/Shadow/ShadowAlgorithms.hlsl
  3. 78
      ScriptableRenderPipeline/Core/CoreRP/ShaderLibrary/Shadow/ShadowSampling.hlsl
  4. 12
      ScriptableRenderPipeline/Core/CoreRP/Shadow/Shadow.cs
  5. 9
      ScriptableRenderPipeline/Core/CoreRP/Shadow/ShadowBase.cs
  6. 7
      ScriptableRenderPipeline/Core/CoreRP/Shadow/ShadowBase.cs.hlsl

13
ScriptableRenderPipeline/Core/CoreRP/ShaderLibrary/Shadow/Shadow.hlsl
查看文件


#endif
#include "CoreRP/Shadow/ShadowBase.cs.hlsl" // ShadowData definition, auto generated (don't modify)
#include "ShadowTexFetch.hlsl" // Resource sampling definitions (don't modify)
#include "ShadowTexFetch.hlsl" // Resource sampling definitions (don't modify)
struct ShadowContext
{

SHADOW_DEFINE_SAMPLING_FUNCS( SHADOWCONTEXT_MAX_TEX2DARRAY, SHADOWCONTEXT_MAX_TEXCUBEARRAY, SHADOWCONTEXT_MAX_COMPSAMPLER, SHADOWCONTEXT_MAX_SAMPLER )
// helper function to extract shadowmap data from the ShadowData struct
void UnpackShadowmapId( uint shadowmapId, out uint texIdx, out uint sampIdx, out float slice )
{
texIdx = (shadowmapId >> 24) & 0xff;
sampIdx = (shadowmapId >> 16) & 0xff;
slice = shadowmapId & 0xffff;
}
void UnpackShadowmapId( uint shadowmapId, out float slice )
{
slice = shadowmapId & 0xffff;
}
void UnpackShadowType( uint packedShadowType, out uint shadowType, out uint shadowAlgorithm )
{
shadowType = packedShadowType >> 10;

133
ScriptableRenderPipeline/Core/CoreRP/ShaderLibrary/Shadow/ShadowAlgorithms.hlsl
查看文件


#endif
}
real EvalShadow_ReceiverBiasWeight( ShadowContext shadowContext, uint shadowAlgorithm, ShadowData sd, uint texIdx, uint sampIdx, real3 positionWS, real3 normalWS, real3 L, real L_dist, real slice, bool perspProj )
real EvalShadow_ReceiverBiasWeight( ShadowContext shadowContext, uint shadowAlgorithm, ShadowData sd, uint texIdx, uint sampIdx, real3 positionWS, real3 normalWS, real3 L, real L_dist, bool perspProj )
{
real weight = 1.0;

real3 pos = EvalShadow_ReceiverBiasWeightPos( positionWS, normalWS, L, EvalShadow_WorldTexelSize( sd, L_dist, perspProj ), sd.edgeTolerance, EvalShadow_ReceiverBiasWeightUseNormalFlag( sd.nrmlBias.w ) );
real3 tcs = EvalShadow_GetTexcoords( sd, pos, perspProj );
weight = SampleCompShadow_T2DA( shadowContext, texIdx, sampIdx, tcs, slice ).x;
weight = SampleCompShadow_T2DA( shadowContext, texIdx, sampIdx, tcs, sd.slice ).x;
real EvalShadow_ReceiverBiasWeight( ShadowData sd, Texture2DArray tex, SamplerComparisonState samp, real3 positionWS, real3 normalWS, real3 L, real L_dist, real slice, bool perspProj )
real EvalShadow_ReceiverBiasWeight( ShadowData sd, Texture2DArray tex, SamplerComparisonState samp, real3 positionWS, real3 normalWS, real3 L, real L_dist, bool perspProj )
return lerp( 1.0, SAMPLE_TEXTURE2D_ARRAY_SHADOW( tex, samp, EvalShadow_GetTexcoords( sd, pos, perspProj ), slice ).x, EvalShadow_ReceiverBiasWeightFlag( sd.nrmlBias.w ) );
return lerp( 1.0, SAMPLE_TEXTURE2D_ARRAY_SHADOW( tex, samp, EvalShadow_GetTexcoords( sd, pos, perspProj ), sd.slice ).x, EvalShadow_ReceiverBiasWeightFlag( sd.nrmlBias.w ) );
real EvalShadow_ReceiverBiasWeight( ShadowData sd, Texture2DArray tex, SamplerState samp, real3 positionWS, real3 normalWS, real3 L, real L_dist, real slice, bool perspProj )
real EvalShadow_ReceiverBiasWeight( ShadowData sd, Texture2DArray tex, SamplerState samp, real3 positionWS, real3 normalWS, real3 L, real L_dist, bool perspProj )
real EvalShadow_ReceiverBiasWeight( ShadowContext shadowContext, uint shadowAlgorithm, ShadowData sd, uint texIdx, uint sampIdx, real3 positionWS, real3 normalWS, real3 L, real L_dist, real slice, bool perspProj ) { return 1.0; }
real EvalShadow_ReceiverBiasWeight( ShadowData sd, Texture2DArray tex, SamplerComparisonState samp, real3 positionWS, real3 normalWS, real3 L, real L_dist, real slice, bool perspProj ) { return 1.0; }
real EvalShadow_ReceiverBiasWeight (ShadowData sd, Texture2DArray tex, SamplerState samp, real3 positionWS, real3 normalWS, real3 L, real L_dist, real slice, bool perspProj ) { return 1.0; }
real EvalShadow_ReceiverBiasWeight( ShadowContext shadowContext, uint shadowAlgorithm, ShadowData sd, uint texIdx, uint sampIdx, real3 positionWS, real3 normalWS, real3 L, real L_dist, bool perspProj ) { return 1.0; }
real EvalShadow_ReceiverBiasWeight( ShadowData sd, Texture2DArray tex, SamplerComparisonState samp, real3 positionWS, real3 normalWS, real3 L, real L_dist, bool perspProj ) { return 1.0; }
real EvalShadow_ReceiverBiasWeight (ShadowData sd, Texture2DArray tex, SamplerState samp, real3 positionWS, real3 normalWS, real3 L, real L_dist, bool perspProj ) { return 1.0; }
#endif // SHADOW_USE_VIEW_BIAS_SCALING != 0
// receiver bias either using the normal to weight normal and view biases, or just light view biasing

float nrmlBiasMax = sd.nrmlBias.y;
float nrmlBiasScale = sd.nrmlBias.z;
float NdotL = saturate( dot( normalWS, L ) );
float NdotL = dot( normalWS, L );
float sine = sqrt( saturate( 1.0 - NdotL * NdotL ) );
float tangent = abs( NdotL ) > 0.0 ? (sine / NdotL) : 0.0;
sine = clamp( sine * nrmlBiasScale, nrmlBiasMin, nrmlBiasMax );

UnpackShadowType( sd.shadowType, shadowType, shadowAlgorithm );
// get the texture
uint texIdx, sampIdx;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
UnpackShadowmapId( sd.id, texIdx, sampIdx );
float recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, L_dist, slice, true );
float recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, L_dist, true );
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, L_dist, recvBiasWeight, true );
// get shadowmap texcoords
real3 posTC = EvalShadow_GetTexcoords( sd, positionWS, true );

uint payloadOffset = GetPayloadOffset( sd );
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithm, texIdx, sampIdx );
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithm, texIdx, sampIdx );
}
#define EvalShadow_PointDepth_( _samplerType ) \

float slice; \
UnpackShadowmapId( sd.id, slice ); \
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, L_dist, slice, true ); \
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, L_dist, true ); \
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, L_dist, recvBiasWeight, true ); \
/* get shadowmap texcoords */ \
real3 posTC = EvalShadow_GetTexcoords( sd, positionWS, true ); \

uint payloadOffset = GetPayloadOffset( sd ); \
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithm, tex, samp ); \
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithm, tex, samp ); \
}
EvalShadow_PointDepth_( SamplerComparisonState )
EvalShadow_PointDepth_( SamplerState )

UnpackShadowType( sd.shadowType, shadowType, shadowAlgorithm );
// sample the texture according to the given algorithm
uint texIdx, sampIdx;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
UnpackShadowmapId( sd.id, texIdx, sampIdx );
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, L_dist, slice, true );
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, L_dist, true );
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, L_dist, recvBiasWeight, true );
// get shadowmap texcoords
real3 posTC = EvalShadow_GetTexcoords( sd, positionWS, true );

uint payloadOffset = GetPayloadOffset( sd );
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithm, texIdx, sampIdx );
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithm, texIdx, sampIdx );
}
#define EvalShadow_SpotDepth_( _samplerType ) \

ShadowData sd = shadowContext.shadowDatas[index]; \
float slice; \
UnpackShadowmapId( sd.id, slice ); \
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, L_dist, slice, true ); \
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, L_dist, true ); \
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, L_dist, recvBiasWeight, true ); \
/* get shadowmap texcoords */ \
real3 posTC = EvalShadow_GetTexcoords( sd, positionWS, true ); \

uint payloadOffset = GetPayloadOffset( sd ); \
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithm, tex, samp ); \
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithm, tex, samp ); \
}
EvalShadow_SpotDepth_( SamplerComparisonState )
EvalShadow_SpotDepth_( SamplerState )

sd.worldToShadow = shadowContext.shadowDatas[index + EvalShadow_GetCubeFaceID( L ) + 1].worldToShadow;
sd.shadowToWorld = shadowContext.shadowDatas[index + EvalShadow_GetCubeFaceID( L ) + 1].shadowToWorld;
sd.scaleOffset.zw = shadowContext.shadowDatas[index + EvalShadow_GetCubeFaceID( L ) + 1].scaleOffset.zw;
sd.slice = shadowContext.shadowDatas[index + EvalShadow_GetCubeFaceID( L ) + 1].slice;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
UnpackShadowmapId( sd.id, texIdx, sampIdx );
float recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, L_dist, slice, true );
float recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, L_dist, true );
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, L_dist, recvBiasWeight, true );
// get shadowmap texcoords
real3 posTC = EvalShadow_GetTexcoords( sd, positionWS, true );

uint payloadOffset = GetPayloadOffset( sd );
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithm, texIdx, sampIdx );
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithm, texIdx, sampIdx );
}
#define EvalShadow_PunctualDepth_( _samplerType ) \

sd.worldToShadow = shadowContext.shadowDatas[index + EvalShadow_GetCubeFaceID( L ) + 1].worldToShadow; \
sd.shadowToWorld = shadowContext.shadowDatas[index + EvalShadow_GetCubeFaceID( L ) + 1].shadowToWorld; \
sd.scaleOffset.zw = shadowContext.shadowDatas[index + EvalShadow_GetCubeFaceID( L ) + 1].scaleOffset.zw; \
sd.slice = shadowContext.shadowDatas[index + EvalShadow_GetCubeFaceID( L ) + 1].slice; \
float slice; \
UnpackShadowmapId( sd.id, slice ); \
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, L_dist, slice, true ); \
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, L_dist, true ); \
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, L_dist, recvBiasWeight, true ); \
/* get shadowmap texcoords */ \
real3 posTC = EvalShadow_GetTexcoords( sd, positionWS, true ); \

uint payloadOffset = GetPayloadOffset( sd ); \
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithm, tex, samp ); \
return SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithm, tex, samp ); \
//
// Directional shadows (cascaded shadow map)

// sample the texture
uint texIdx, sampIdx;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
UnpackShadowmapId( sd.id, texIdx, sampIdx );
uint shadowType, shadowAlgorithm;
UnpackShadowType( sd.shadowType, shadowType, shadowAlgorithm );

real recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, 1.0, slice, false );
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, 1.0, false );
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, 1.0, recvBiasWeight, false );
// Be careful of this code, we need it here before the if statement otherwise the compiler screws up optimizing dirShadowSplitSpheres VGPRs away
real3 splitSphere = dirShadowSplitSpheres[shadowSplitIndex].xyz;

// evaluate the first cascade
real2 sampleBias = EvalShadow_SampleBias_Ortho( sd, normalWS );
real shadow = SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithm, texIdx, sampIdx );
real shadow = SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithm, texIdx, sampIdx );
real shadow1 = 1.0;
shadowSplitIndex++;

positionWS = EvalShadow_ReceiverBias( sd, orig_pos, normalWS, L, 1.0, recvBiasWeight, false );
posTC = EvalShadow_GetTexcoords( sd, positionWS, posNDC, false, false );
// sample the texture
UnpackShadowmapId( sd.id, slice );
shadow1 = SampleShadow_SelectAlgorithm( shadowContext, sd, orig_payloadOffset, posTC, sampleBias, slice, shadowAlgorithm, texIdx, sampIdx );
shadow1 = SampleShadow_SelectAlgorithm( shadowContext, sd, orig_payloadOffset, posTC, sampleBias, shadowAlgorithm, texIdx, sampIdx );
}
}
shadow = lerp( shadow, shadow1, alpha );

\
ShadowData sd = shadowContext.shadowDatas[index + 1 + shadowSplitIndex]; \
\
/* sample the texture */ \
float slice; \
UnpackShadowmapId( sd.id, slice ); \
\
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, 1.0, slice, false ); \
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, 1.0, false ); \
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, 1.0, recvBiasWeight, false ); \
/* Be careful of this code, we need it here before the if statement otherwise the compiler screws up optimizing dirShadowSplitSpheres VGPRs away */ \
real3 splitSphere = dirShadowSplitSpheres[shadowSplitIndex].xyz; \

real3 posTC = EvalShadow_GetTexcoords( sd, positionWS, posNDC, true, false ); \
/* evalute the first cascade */ \
real2 sampleBias = EvalShadow_SampleBias_Ortho( sd, normalWS ); \
real shadow = SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithms[shadowSplitIndex], tex, samp ); \
real shadow = SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithms[shadowSplitIndex], tex, samp ); \
real shadow1 = 1.0; \
\
shadowSplitIndex++; \

positionWS = EvalShadow_ReceiverBias( sd, orig_pos, normalWS, L, 1.0, recvBiasWeight, false ); \
posTC = EvalShadow_GetTexcoords( sd, positionWS, posNDC, false, false ); \
/* sample the texture */ \
UnpackShadowmapId( sd.id, slice ); \
shadow1 = SampleShadow_SelectAlgorithm( shadowContext, sd, orig_payloadOffset, posTC, sampleBias, slice, shadowAlgorithms[shadowSplitIndex], tex, samp ); \
shadow1 = SampleShadow_SelectAlgorithm( shadowContext, sd, orig_payloadOffset, posTC, sampleBias, shadowAlgorithms[shadowSplitIndex], tex, samp ); \
} \
} \
shadow = lerp( shadow, shadow1, alpha ); \

// get texture description
uint texIdx, sampIdx;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
UnpackShadowmapId( sd.id, texIdx, sampIdx );
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, 1.0, slice, false );
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( shadowContext, shadowAlgorithm, sd, texIdx, sampIdx, positionWS, normalWS, L, 1.0, false );
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, 1.0, recvBiasWeight, false );
// get shadowmap texcoords
real3 posNDC;

}
// sample the texture
real2 sampleBias = EvalShadow_SampleBias_Ortho( sd, normalWS );
real shadow = SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithm, texIdx, sampIdx );
real shadow = SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithm, texIdx, sampIdx );
return shadowSplitIndex < (kMaxShadowCascades-1) ? shadow : lerp( shadow, 1.0, alpha );
}

real alpha = border <= 0.0 ? 0.0 : saturate( (relDistance - (1.0 - border)) / border ); \
\
ShadowData sd = shadowContext.shadowDatas[index + 1 + shadowSplitIndex]; \
\
/* get texture description */ \
float slice; \
UnpackShadowmapId( sd.id, slice ); \
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, 1.0, slice, false ); \
real recvBiasWeight = EvalShadow_ReceiverBiasWeight( sd, tex, samp, positionWS, normalWS, L, 1.0, false ); \
positionWS = EvalShadow_ReceiverBias( sd, positionWS, normalWS, L, 1.0, recvBiasWeight, false ); \
/* get shadowmap texcoords */ \
real3 posNDC; \

} \
/* sample the texture */ \
real2 sampleBias = EvalShadow_SampleBias_Ortho( sd, normalWS ); \
real shadow = SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, slice, shadowAlgorithms[shadowSplitIndex], tex, samp ); \
real shadow = SampleShadow_SelectAlgorithm( shadowContext, sd, payloadOffset, posTC, sampleBias, shadowAlgorithms[shadowSplitIndex], tex, samp ); \
return shadowSplitIndex < (kMaxShadowCascades-1) ? shadow : lerp( shadow, 1.0, alpha ); \
} \
\

// load the texel
uint texIdx, sampIdx;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
closestNDC.z = LoadShadow_T2DA( shadowContext, texIdx, texelIdx, slice );
UnpackShadowmapId( sd.id, texIdx, sampIdx );
closestNDC.z = LoadShadow_T2DA( shadowContext, texIdx, texelIdx, sd.slice );
// reconstruct depth position
real4 closestWS = mul( closestNDC, sd.shadowToWorld );

uint2 texelIdx = EvalShadow_GetTexcoords( sd, positionWS, closestNDC.xy, true );
// load the texel
float slice;
UnpackShadowmapId(sd.id, slice);
closestNDC.z = LOAD_TEXTURE2D_ARRAY_LOD( tex, texelIdx, slice, 0 ).x;
closestNDC.z = LOAD_TEXTURE2D_ARRAY_LOD( tex, texelIdx, sd.slice, 0 ).x;
// reconstruct depth position
real4 closestWS = mul( closestNDC, sd.shadowToWorld );

// load the texel
uint texIdx, sampIdx;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
closestNDC.z = LoadShadow_T2DA( shadowContext, texIdx, texelIdx, slice );
UnpackShadowmapId( sd.id, texIdx, sampIdx );
closestNDC.z = LoadShadow_T2DA( shadowContext, texIdx, texelIdx, sd.slice );
// reconstruct depth position
real4 closestWS = mul( closestNDC, sd.shadowToWorld );

uint2 texelIdx = EvalShadow_GetTexcoords( sd, positionWS, closestNDC.xy, true );
// load the texel
float slice;
UnpackShadowmapId(sd.id, slice);
closestNDC.z = LOAD_TEXTURE2D_ARRAY_LOD( tex, texelIdx, slice, 0 ).x;
closestNDC.z = LOAD_TEXTURE2D_ARRAY_LOD( tex, texelIdx, sd.slice, 0 ).x;
// reconstruct depth position
real4 closestWS = mul( closestNDC, sd.shadowToWorld );

// load the texel
uint texIdx, sampIdx;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
closestNDC.z = LoadShadow_T2DA( shadowContext, texIdx, texelIdx, slice );
UnpackShadowmapId( sd.id, texIdx, sampIdx );
closestNDC.z = LoadShadow_T2DA( shadowContext, texIdx, texelIdx, sd.slice );
// reconstruct depth position
real4 closestWS = mul( closestNDC, sd.shadowToWorld );

uint2 texelIdx = EvalShadow_GetTexcoords( sd, positionWS, closestNDC.xy, true );
// load the texel
float slice;
UnpackShadowmapId(sd.id, slice);
closestNDC.z = LOAD_TEXTURE2D_ARRAY_LOD( tex, texelIdx, slice, 0 ).x;
closestNDC.z = LOAD_TEXTURE2D_ARRAY_LOD( tex, texelIdx, sd.slice, 0 ).x;
// reconstruct depth position
real4 closestWS = mul( closestNDC, sd.shadowToWorld );

// load the texel
uint texIdx, sampIdx;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
closestNDC.z = LoadShadow_T2DA( shadowContext, texIdx, texelIdx, slice );
UnpackShadowmapId( sd.id, texIdx, sampIdx );
closestNDC.z = LoadShadow_T2DA( shadowContext, texIdx, texelIdx, sd.slice );
// reconstruct depth position
real4 closestWS = mul( closestNDC, sd.shadowToWorld );

// load the texel
uint texIdx, sampIdx;
float slice;
UnpackShadowmapId( sd.id, texIdx, sampIdx, slice );
closestNDC.z = LOAD_TEXTURE2D_ARRAY_LOD( tex, texelIdx, slice, 0 ).x;
UnpackShadowmapId( sd.id, texIdx, sampIdx );
closestNDC.z = LOAD_TEXTURE2D_ARRAY_LOD( tex, texelIdx, sd.slice, 0 ).x;
// reconstruct depth position
real4 closestWS = mul( closestNDC, sd.shadowToWorld );

78
ScriptableRenderPipeline/Core/CoreRP/ShaderLibrary/Shadow/ShadowSampling.hlsl
查看文件


//
// 1 tap PCF sampling
//
real SampleShadow_PCF_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, uint slice, uint texIdx, uint sampIdx )
real SampleShadow_PCF_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, float slice, uint texIdx, uint sampIdx )
{
real depthBias = asfloat( shadowContext.payloads[payloadOffset].x );
payloadOffset++;

return SampleCompShadow_T2DA( shadowContext, texIdx, sampIdx, tcs, slice ).x;
}
real SampleShadow_PCF_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, uint slice, Texture2DArray tex, SamplerComparisonState compSamp )
real SampleShadow_PCF_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, float slice, Texture2DArray tex, SamplerComparisonState compSamp )
{
real depthBias = asfloat( shadowContext.payloads[payloadOffset].x );
payloadOffset++;

//
// 3x3 tent PCF sampling (4 taps)
//
real SampleShadow_PCF_Tent_3x3( ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, uint slice, uint texIdx, uint sampIdx )
real SampleShadow_PCF_Tent_3x3( ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, float slice, uint texIdx, uint sampIdx )
{
real2 params = asfloat( shadowContext.payloads[payloadOffset].xy );
real depthBias = params.x;

return shadow;
}
real SampleShadow_PCF_Tent_3x3(ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, uint slice, Texture2DArray tex, SamplerComparisonState compSamp )
real SampleShadow_PCF_Tent_3x3(ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, float slice, Texture2DArray tex, SamplerComparisonState compSamp )
{
real2 params = asfloat( shadowContext.payloads[payloadOffset].xy );
real depthBias = params.x;

//
// 5x5 tent PCF sampling (9 taps)
//
real SampleShadow_PCF_Tent_5x5( ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, uint slice, uint texIdx, uint sampIdx )
real SampleShadow_PCF_Tent_5x5( ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, float slice, uint texIdx, uint sampIdx )
{
real2 params = asfloat( shadowContext.payloads[payloadOffset].xy );
real depthBias = params.x;

return shadow;
}
real SampleShadow_PCF_Tent_5x5(ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, uint slice, Texture2DArray tex, SamplerComparisonState compSamp )
real SampleShadow_PCF_Tent_5x5(ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, float slice, Texture2DArray tex, SamplerComparisonState compSamp )
{
real2 params = asfloat( shadowContext.payloads[payloadOffset].xy );
real depthBias = params.x;

//
// 7x7 tent PCF sampling (16 taps)
//
real SampleShadow_PCF_Tent_7x7( ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, uint slice, uint texIdx, uint sampIdx )
real SampleShadow_PCF_Tent_7x7( ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, float slice, uint texIdx, uint sampIdx )
{
real2 params = asfloat( shadowContext.payloads[payloadOffset].xy );
real depthBias = params.x;

return shadow;
}
real SampleShadow_PCF_Tent_7x7(ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, uint slice, Texture2DArray tex, SamplerComparisonState compSamp )
real SampleShadow_PCF_Tent_7x7(ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 coord, real2 sampleBias, float slice, Texture2DArray tex, SamplerComparisonState compSamp )
{
real2 params = asfloat( shadowContext.payloads[payloadOffset].xy );
real depthBias = params.x;

//
// 9 tap adaptive PCF sampling
//
real SampleShadow_PCF_9tap_Adaptive( ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 tcs, real2 sampleBias, uint slice, uint texIdx, uint sampIdx )
real SampleShadow_PCF_9tap_Adaptive( ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 tcs, real2 sampleBias, float slice, uint texIdx, uint sampIdx )
{
real2 params = asfloat( shadowContext.payloads[payloadOffset].xy );
real depthBias = params.x;

return flSum;
}
real SampleShadow_PCF_9tap_Adaptive(ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 tcs, real2 sampleBias, uint slice, Texture2DArray tex, SamplerComparisonState compSamp )
real SampleShadow_PCF_9tap_Adaptive(ShadowContext shadowContext, inout uint payloadOffset, real4 texelSizeRcp, real3 tcs, real2 sampleBias, float slice, Texture2DArray tex, SamplerComparisonState compSamp )
{
real2 params = asfloat( shadowContext.payloads[payloadOffset].xy );
real depthBias = params.x;

//
// 1 tap VSM sampling
//
real SampleShadow_VSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, uint slice, uint texIdx, uint sampIdx )
real SampleShadow_VSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, float slice, uint texIdx, uint sampIdx )
{
#if UNITY_REVERSED_Z
real depth = 1.0 - tcs.z;

return ShadowMoments_ChebyshevsInequality( moments, depth, varianceBias, lightLeakBias );
}
real SampleShadow_VSM_1tap(ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, uint slice, Texture2DArray tex, SamplerState samp )
real SampleShadow_VSM_1tap(ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, float slice, Texture2DArray tex, SamplerState samp )
{
#if UNITY_REVERSED_Z
real depth = 1.0 - tcs.z;

//
// 1 tap EVSM sampling
//
real SampleShadow_EVSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, uint slice, uint texIdx, uint sampIdx, bool fourMoments )
real SampleShadow_EVSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, float slice, uint texIdx, uint sampIdx, bool fourMoments )
{
#if UNITY_REVERSED_Z
real depth = 1.0 - tcs.z;

}
}
real SampleShadow_EVSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, uint slice, Texture2DArray tex, SamplerState samp, bool fourMoments )
real SampleShadow_EVSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, float slice, Texture2DArray tex, SamplerState samp, bool fourMoments )
{
#if UNITY_REVERSED_Z
real depth = 1.0 - tcs.z;

//
// 1 tap MSM sampling
//
real SampleShadow_MSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, uint slice, uint texIdx, uint sampIdx, bool useHamburger )
real SampleShadow_MSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, float slice, uint texIdx, uint sampIdx, bool useHamburger )
{
real4 params = asfloat( shadowContext.payloads[payloadOffset] );
real lightLeakBias = params.x;

return (z[1] < 0.0 || z[2] > 1.0) ? ShadowMoments_SolveDelta4MSM( z, b, lightLeakBias ) : ShadowMoments_SolveDelta3MSM( z, b.xy, lightLeakBias );
}
real SampleShadow_MSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, uint slice, Texture2DArray tex, SamplerState samp, bool useHamburger )
real SampleShadow_MSM_1tap( ShadowContext shadowContext, inout uint payloadOffset, real3 tcs, float slice, Texture2DArray tex, SamplerState samp, bool useHamburger )
{
real4 params = asfloat( shadowContext.payloads[payloadOffset] );
real lightLeakBias = params.x;

//-----------------------------------------------------------------------------------------------------
// helper function to dispatch a specific shadow algorithm
real SampleShadow_SelectAlgorithm( ShadowContext shadowContext, ShadowData shadowData, inout uint payloadOffset, real3 posTC, real2 sampleBias, uint slice, uint algorithm, uint texIdx, uint sampIdx )
real SampleShadow_SelectAlgorithm( ShadowContext shadowContext, ShadowData shadowData, inout uint payloadOffset, real3 posTC, real2 sampleBias, uint algorithm, uint texIdx, uint sampIdx )
case GPUSHADOWALGORITHM_PCF_1TAP : return SampleShadow_PCF_1tap( shadowContext, payloadOffset, posTC, slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_PCF_9TAP : return SampleShadow_PCF_9tap_Adaptive( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_PCF_TENT_3X3 : return SampleShadow_PCF_Tent_3x3( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_PCF_TENT_5X5 : return SampleShadow_PCF_Tent_5x5( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_PCF_TENT_7X7 : return SampleShadow_PCF_Tent_7x7( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_VSM : return SampleShadow_VSM_1tap( shadowContext, payloadOffset, posTC, slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_EVSM_2 : return SampleShadow_EVSM_1tap( shadowContext, payloadOffset, posTC, slice, texIdx, sampIdx, false );
case GPUSHADOWALGORITHM_EVSM_4 : return SampleShadow_EVSM_1tap( shadowContext, payloadOffset, posTC, slice, texIdx, sampIdx, true );
case GPUSHADOWALGORITHM_MSM_HAM : return SampleShadow_MSM_1tap( shadowContext, payloadOffset, posTC, slice, texIdx, sampIdx, true );
case GPUSHADOWALGORITHM_MSM_HAUS : return SampleShadow_MSM_1tap( shadowContext, payloadOffset, posTC, slice, texIdx, sampIdx, false );
case GPUSHADOWALGORITHM_PCF_1TAP : return SampleShadow_PCF_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_PCF_9TAP : return SampleShadow_PCF_9tap_Adaptive( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, shadowData.slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_PCF_TENT_3X3 : return SampleShadow_PCF_Tent_3x3( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, shadowData.slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_PCF_TENT_5X5 : return SampleShadow_PCF_Tent_5x5( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, shadowData.slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_PCF_TENT_7X7 : return SampleShadow_PCF_Tent_7x7( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, shadowData.slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_VSM : return SampleShadow_VSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, texIdx, sampIdx );
case GPUSHADOWALGORITHM_EVSM_2 : return SampleShadow_EVSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, texIdx, sampIdx, false );
case GPUSHADOWALGORITHM_EVSM_4 : return SampleShadow_EVSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, texIdx, sampIdx, true );
case GPUSHADOWALGORITHM_MSM_HAM : return SampleShadow_MSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, texIdx, sampIdx, true );
case GPUSHADOWALGORITHM_MSM_HAUS : return SampleShadow_MSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, texIdx, sampIdx, false );
real SampleShadow_SelectAlgorithm( ShadowContext shadowContext, ShadowData shadowData, inout uint payloadOffset, real3 posTC, real2 sampleBias, uint slice, uint algorithm, Texture2DArray tex, SamplerComparisonState compSamp )
real SampleShadow_SelectAlgorithm( ShadowContext shadowContext, ShadowData shadowData, inout uint payloadOffset, real3 posTC, real2 sampleBias, uint algorithm, Texture2DArray tex, SamplerComparisonState compSamp )
case GPUSHADOWALGORITHM_PCF_1TAP : return SampleShadow_PCF_1tap( shadowContext, payloadOffset, posTC, slice, tex, compSamp );
case GPUSHADOWALGORITHM_PCF_9TAP : return SampleShadow_PCF_9tap_Adaptive( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, slice, tex, compSamp );
case GPUSHADOWALGORITHM_PCF_TENT_3X3 : return SampleShadow_PCF_Tent_3x3( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, slice, tex, compSamp );
case GPUSHADOWALGORITHM_PCF_TENT_5X5 : return SampleShadow_PCF_Tent_5x5( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, slice, tex, compSamp );
case GPUSHADOWALGORITHM_PCF_TENT_7X7 : return SampleShadow_PCF_Tent_7x7( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, slice, tex, compSamp );
case GPUSHADOWALGORITHM_PCF_1TAP : return SampleShadow_PCF_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, tex, compSamp );
case GPUSHADOWALGORITHM_PCF_9TAP : return SampleShadow_PCF_9tap_Adaptive( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, shadowData.slice, tex, compSamp );
case GPUSHADOWALGORITHM_PCF_TENT_3X3 : return SampleShadow_PCF_Tent_3x3( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, shadowData.slice, tex, compSamp );
case GPUSHADOWALGORITHM_PCF_TENT_5X5 : return SampleShadow_PCF_Tent_5x5( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, shadowData.slice, tex, compSamp );
case GPUSHADOWALGORITHM_PCF_TENT_7X7 : return SampleShadow_PCF_Tent_7x7( shadowContext, payloadOffset, shadowData.texelSizeRcp, posTC, sampleBias, shadowData.slice, tex, compSamp );
real SampleShadow_SelectAlgorithm( ShadowContext shadowContext, ShadowData shadowData, inout uint payloadOffset, real3 posTC, real2 sampleBias, uint slice, uint algorithm, Texture2DArray tex, SamplerState samp )
real SampleShadow_SelectAlgorithm( ShadowContext shadowContext, ShadowData shadowData, inout uint payloadOffset, real3 posTC, real2 sampleBias, uint algorithm, Texture2DArray tex, SamplerState samp )
case GPUSHADOWALGORITHM_VSM : return SampleShadow_VSM_1tap( shadowContext, payloadOffset, posTC, slice, tex, samp );
case GPUSHADOWALGORITHM_EVSM_2 : return SampleShadow_EVSM_1tap( shadowContext, payloadOffset, posTC, slice, tex, samp, false );
case GPUSHADOWALGORITHM_EVSM_4 : return SampleShadow_EVSM_1tap( shadowContext, payloadOffset, posTC, slice, tex, samp, true );
case GPUSHADOWALGORITHM_MSM_HAM : return SampleShadow_MSM_1tap( shadowContext, payloadOffset, posTC, slice, tex, samp, true );
case GPUSHADOWALGORITHM_MSM_HAUS : return SampleShadow_MSM_1tap( shadowContext, payloadOffset, posTC, slice, tex, samp, false );
case GPUSHADOWALGORITHM_VSM : return SampleShadow_VSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, tex, samp );
case GPUSHADOWALGORITHM_EVSM_2 : return SampleShadow_EVSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, tex, samp, false );
case GPUSHADOWALGORITHM_EVSM_4 : return SampleShadow_EVSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, tex, samp, true );
case GPUSHADOWALGORITHM_MSM_HAM : return SampleShadow_MSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, tex, samp, true );
case GPUSHADOWALGORITHM_MSM_HAUS : return SampleShadow_MSM_1tap( shadowContext, payloadOffset, posTC, shadowData.slice, tex, samp, false );
default: return 1.0;
}
}

12
ScriptableRenderPipeline/Core/CoreRP/Shadow/Shadow.cs
查看文件


sd.scaleOffset = new Vector4( ce.current.viewport.width * m_WidthRcp, ce.current.viewport.height * m_HeightRcp, ce.current.viewport.x, ce.current.viewport.y );
sd.textureSize = new Vector4( m_Width, m_Height, ce.current.viewport.width, ce.current.viewport.height );
sd.texelSizeRcp = new Vector4( m_WidthRcp, m_HeightRcp, 1.0f / ce.current.viewport.width, 1.0f / ce.current.viewport.height );
sd.PackShadowmapId( m_TexSlot, m_SampSlot, ce.current.slice );
sd.PackShadowmapId( m_TexSlot, m_SampSlot );
sd.slice = ce.current.slice;
sd.PackShadowType( sr.shadowType, sanitizedAlgo );
sd.payloadOffset = originalPayloadCount;
entries.AddUnchecked( sd );

ShadowData sd = entries[ce.key.shadowDataIdx];
// update the shadow data with the actual result of the layouting step
sd.scaleOffset = new Vector4( ce.current.viewport.width * m_WidthRcp, ce.current.viewport.height * m_HeightRcp, ce.current.viewport.x * m_WidthRcp, ce.current.viewport.y * m_HeightRcp );
sd.PackShadowmapId( m_TexSlot, m_SampSlot, ce.current.slice );
sd.PackShadowmapId( m_TexSlot, m_SampSlot );
sd.slice = ce.current.slice;
// write back the correct results
entries[ce.key.shadowDataIdx] = sd;
}

int offset = (m_TmpRequests[index].facecount > 1 ) ? 1 : 0;
VectorArray<ShadowData> shadowDatas = m_ShadowCtxt.shadowDatas;
ShadowData faceData = shadowDatas[(uint)(m_ShadowIndices[index] + offset + faceIndex)];
uint texID, samplerID, slice;
faceData.UnpackShadowmapId(out texID, out samplerID, out slice);
m_Shadowmaps[texID].DisplayShadowMap(cmd, faceData.scaleOffset, slice, screenX, screenY, screenSizeX, screenSizeY, minValue, maxValue);
uint texID, samplerID;
faceData.UnpackShadowmapId(out texID, out samplerID);
m_Shadowmaps[texID].DisplayShadowMap(cmd, faceData.scaleOffset, (uint) faceData.slice, screenX, screenY, screenSizeX, screenSizeY, minValue, maxValue);
}
public override void DisplayShadowMap(CommandBuffer cmd, uint shadowMapIndex, uint sliceIndex, float screenX, float screenY, float screenSizeX, float screenSizeY, float minValue, float maxValue)

9
ScriptableRenderPipeline/Core/CoreRP/Shadow/ShadowBase.cs
查看文件


public uint id; // packed texture id, sampler id and slice idx
public uint shadowType; // determines the shadow algorithm, i.e. which map to sample and how to interpret the data
public uint payloadOffset; // if this shadow type requires additional data it can be fetched from a global Buffer<uint> at payloadOffset.
public float slice; // shadowmap slice
public void PackShadowmapId( uint texIdx, uint sampIdx, uint slice )
public void PackShadowmapId( uint texIdx, uint sampIdx )
Debug.Assert( slice <= 0xffff );
id = texIdx << 24 | sampIdx << 16 | slice;
id = texIdx << 24 | sampIdx << 16;
public void UnpackShadowmapId(out uint texIdx, out uint sampIdx, out uint slice)
public void UnpackShadowmapId( out uint texIdx, out uint sampIdx )
slice = (id & 0xffff);
}
public void PackShadowType( GPUShadowType type, GPUShadowAlgorithm algorithm )

7
ScriptableRenderPipeline/Core/CoreRP/Shadow/ShadowBase.cs.hlsl
查看文件


uint id;
uint shadowType;
uint payloadOffset;
float slice;
float edgeTolerance;
float4 viewBias;
float4 nrmlBias;

{
return value.payloadOffset;
}
float GetSlice(ShadowData value)
{
return value.slice;
}
return value.edgeTolerance;
return value.edgeTolerance;
}
float4 GetViewBias(ShadowData value)
{

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