38 lines
1.2 KiB
HLSL
38 lines
1.2 KiB
HLSL
// Copyright Epic Games, Inc. All Rights Reserved.
|
|
|
|
#include "/Engine/Private/Common.ush"
|
|
#include "/Engine/Private/RayTracing/RayTracingCommon.ush"
|
|
#include "/Engine/Private/PathTracing/PathTracingCommon.ush"
|
|
|
|
|
|
RAY_TRACING_ENTRY_CLOSEST_HIT(PathTracingDefaultOpaqueCHS,
|
|
FPackedPathTracingPayload, PackedPayload,
|
|
FRayTracingIntersectionAttributes, Attributes)
|
|
{
|
|
// mark hit as solid black
|
|
FPathTracingPayload Payload = (FPathTracingPayload)0;
|
|
Payload.ShadingModelID = SHADINGMODELID_UNLIT;
|
|
Payload.BSDFOpacity = 1.0;
|
|
PackedPayload = PackPathTracingPayload(Payload);
|
|
PackedPayload.HitT = RayTCurrent();
|
|
}
|
|
|
|
RAY_TRACING_ENTRY_CLOSEST_HIT(PathTracingDefaultHiddenCHS,
|
|
FPackedPathTracingPayload, PackedPayload,
|
|
FRayTracingIntersectionAttributes, Attributes)
|
|
{
|
|
// mark hit as fully transparent
|
|
FPathTracingPayload Payload = (FPathTracingPayload)0;
|
|
Payload.ShadingModelID = SHADINGMODELID_UNLIT;
|
|
Payload.TransparencyColor = 1.0;
|
|
PackedPayload = PackPathTracingPayload(Payload);
|
|
PackedPayload.HitT = RayTCurrent();
|
|
}
|
|
|
|
RAY_TRACING_ENTRY_ANY_HIT(PathTracingDefaultHiddenAHS,
|
|
FPackedPathTracingPayload, PackedPayload,
|
|
FRayTracingIntersectionAttributes, Attributes)
|
|
{
|
|
IgnoreHit();
|
|
}
|