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UnrealEngineUWP/Engine/Shaders/Private/PathTracing
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chris kulla b5b78d8b33 Introduce new RT payload for path tracing shaders 
The goal is to simplify the code for path tracing and make room for fields that will be required by future feature additions without impacting the regular RT shaders.

Simplified the packing/unpacking logic a bit since we have more space available in this context.

Remove path tracing specific flags from RT payload and indicate which flags are free for future use

#rb Patrick.Kelly

[CL 16607005 by chris kulla in ue5-main branch]
2021-06-09 12:31:00 -04:00
..
Light
Unify RT Skylight with Path Tracer implementation
2021-04-26 12:05:18 -04:00
Material
Introduce new RT payload for path tracing shaders
2021-06-09 12:31:00 -04:00
Sensor
Add light culling for path tracer
2021-04-15 12:22:28 -04:00
Utilities
Optimize VSM projection and SMRT
2021-03-11 22:07:24 -04:00
BuildSkyLightColumnCdfComputeShader.usf
…
BuildSkyLightCubeFaceCdfComputeShader.usf
…
BuildSkyLightRowCdfComputeShader.usf
…
PathTracing.usf
Introduce new RT payload for path tracing shaders
2021-06-09 12:31:00 -04:00
PathTracingBuildLightGrid.usf
Add light culling for path tracer
2021-04-15 12:22:28 -04:00
PathTracingCamera.ush
Remove unused variance tree and ray count code from path tracer
2021-02-23 15:48:28 -04:00
PathTracingCommon.ush
Introduce new RT payload for path tracing shaders
2021-06-09 12:31:00 -04:00
PathTracingCompositingPixelShader.usf
Fix multi-view rendering for the path tracer
2021-05-18 13:11:59 -04:00
PathTracingIESAtlas.usf
Change IES lookup to use a Texture2DArray instead of a Texture3D as this more cleanly reflects how the atlas is built (no interpolation between slices is desired).
2020-12-15 13:35:11 -04:00
PathTracingMaterialHitShader.usf
Introduce new RT payload for path tracing shaders
2021-06-09 12:31:00 -04:00
PathTracingSkylightMISCompensation.usf
Avoid rebuilding Skylight importance tables for the path tracer each frame.
2021-03-01 18:28:37 -04:00
PathTracingSkylightPrepare.usf
New skydome importance sampling for path tracer
2021-02-25 17:46:16 -04:00
VisualizeMipTreePixelShader.usf
…
VisualizeSkyLightCdfPixelShader.usf
…