For the time being use GGX LTC table for hair. (#4903)

* [HDRP] Fix AxF debug output in certain configurations (#4641)

* Fix AxF debug output in certain configurations.

* Update comment

* Fix SSR accumulation white flash (#4648)

* Fix white flash

* changelog

Co-authored-by: sebastienlagarde <[email protected]>

* Display Info Box when MSAA + ray tracing is onr (#4627)

* Show info box when ray tracing is enabled.

* Changelog

* Move below MSAA

Co-authored-by: sebastienlagarde <[email protected]>

* Fix distortion when resizing the window in player builds with the Graphics Compositor enabled (#4593)

Co-authored-by: sebastienlagarde <[email protected]>

* Add support for the camera bridge in the graphics compositor (#4599)

* Fix Jittered Project Matrix Infinite Far Clip Plane  (#4638)

* Reconstruct jittered projection matrix far plane (for Infinite )

* Changelog

Co-authored-by: sebastienlagarde <[email protected]>

* Fixed a memory leak related to not disposing of the RTAS at the end HDRP's lifecycle. (#4688)

Co-authored-by: sebastienlagarde <[email protected]>

* Fix custom pass utils Blur + Copy overdraw. (#4623)

* Fix overdraw in custom pass utils blur function

* Updated changelog

Co-authored-by: sebastienlagarde <[email protected]>

* Fix draw procedural invalid pass idx 1 on first template load (#4632)

* Fix

* changelog

* Force sync compilation for TAA

Co-authored-by: CifaCia <[email protected]>
Co-authored-by: sebastienlagarde <[email protected]>

* Changed light reset to preserve type (#4624)

Co-authored-by: sebastienlagarde <[email protected]>

* Revert "Add support for the camera bridge in the graphics compositor (#4599)"

This reverts commit 2325e3f.

* AxF carpaint: Fix a compilation issue on Vulkan until the cpp HLSLcc side is updated. (case 1335737, related to 1314040) (#4691)

Co-authored-by: sebastienlagarde <[email protected]>

* Revert "Revert "Add support for the camera bridge in the graphics compositor (#4599)""

This reverts commit 30fffd5.

* revert: Fix distortion when resizing the window in player builds with the Graphi

* Fixed the ray traced sub subsurface scattering debug mode not displaying only the RTSSS Data (case 1332904). (#4626)

* Fixed the ray traced sub subsurface scattering debug mode not displaying only the RTSSS Data (case 1332904).

* Add test scene

Co-authored-by: Remi Chapelain <[email protected]>
Co-authored-by: Sebastien Lagarde <[email protected]>

* Fix for discrepancies in saturation and intensity between screen space refraction and probe refraction (#4653)

* Delete the second transmittance mul

* Changelog

Co-authored-by: Sebastien Lagarde <[email protected]>

* Fix a Divide-by-Zero Warning for some Anisotropic Models (Fabric, Lit) (#4636)

* Initialize the shading normal to a non-zero value for anisotropy

* Changelog

Co-authored-by: sebastienlagarde <[email protected]>

* [HDRP] Fix VfX lit particle AOV output color space (#4646)

* Fix VfX lit particle aov output color space

* Update comment

Co-authored-by: sebastienlagarde <[email protected]>

* [HDRP][Path Tracing] Fixed transparent unlit (#4605)

* Fixed issue with transparent unlit.

* Updated changelog.

* Reverted accidental change to default mtl.

Co-authored-by: sebastienlagarde <[email protected]>

* Fix distortion with MSAA (#4711)

* Fix contact shadow debug views (#4720)

* Fix

* changelog

Co-authored-by: sebastienlagarde <[email protected]>

* Update Decal-Projector.md (#4695)

* [HDRP] Fixed nullref when deleting the texture asset assigned in a local volumetric fog volume (#4728)

* Fixed nullref when deleting the 3D mask of a density volume (case 1339330)

* Updated changelog

Co-authored-by: sebastienlagarde <[email protected]>

* Fix decal layer enum (#4753)

* Fix typo

* Fixed reflection probes being injected into the ray tracing light cluster even if not baked (case 1329083). (#4640)

Co-authored-by: sebastienlagarde <[email protected]>

* Ignore hybrid duplicated reflection probes during light baking (#4663)

* Ignore hybrid duplicated reflection probes during light baking

* test path instead of scene

Co-authored-by: sebastienlagarde <[email protected]>

* Fix double sided option moving when toggling it in the material UI (#4725)

* Fix double sided option moving when toggling it in the material UI (case 1328877)

* Updated changelog

Co-authored-by: sebastienlagarde <[email protected]>

* Fix formatting

* Fix volumetric fog in planar reflections (#4736)

* Fix planar reflection

* changelog

Co-authored-by: sebastienlagarde <[email protected]>

* Fix motion blur compute dispatch size (#4737)

Co-authored-by: sebastienlagarde <[email protected]>

* - Updated the recursive rendering documentation (case 1338639). (#4759)

* - Updated the recursive rendering documentation (case 1338639).

* review fixes

Co-authored-by: sebastienlagarde <[email protected]>

* Fix issue with OnDemand directional shadow map being corrupted when reflection probe are updated same frame (#4812)

* Don't mark as rendered for reflection probes as we want the cached version to be from main view

* Do the thing just for directional

* Doc update

* changelog

Co-authored-by: sebastienlagarde <[email protected]>

* Fix cropping issue with the compositor camera bridge (#4802)

Co-authored-by: sebastienlagarde <[email protected]>

* Fix for unused resources in depth of field (#4796)

* Removing the word Radii from exposure settings (#4854)

* Rename in UX

* Update docs

* [HDRP][Path Tracing] Support for shadow mattes (#4745)

* Shadow matte support.

* Updated changelog.

* Only take occluders into account, closer match to raster mode.

* Added test scene.

Co-authored-by: sebastienlagarde <[email protected]>

* Revert "[HDRP][Path Tracing] Support for shadow mattes (#4745)"

This reverts commit 85ebbc2.

* Fixed the transparent cutoff not working properly in semi-transparent  and color shadows (case 1340234). (#4756)

* Fixed the transparent cutoff not working properly in semi-transparent and color shadows (case 1340234).

* Update test ref image

Co-authored-by: Remi Chapelain <[email protected]>
Co-authored-by: sebastienlagarde <[email protected]>

* Use non jittered projection in outline pass (#4836)

Co-authored-by: sebastienlagarde <[email protected]>

* [HDRP][Path Tracing] Sky settings now properly taken into account when using recorder (#4856)

* Make sure sky settings are correctly set when recording.

* Updated changelog.

Co-authored-by: sebastienlagarde <[email protected]>

* Use GGX for hair for the time being.

* changelog

* Update CHANGELOG.md

Co-authored-by: Pavlos Mavridis <[email protected]>
Co-authored-by: sebastienlagarde <[email protected]>
Co-authored-by: John Parsaie <[email protected]>
Co-authored-by: anisunity <[email protected]>
Co-authored-by: Antoine Lelievre <[email protected]>
Co-authored-by: CifaCia <[email protected]>
Co-authored-by: Adrien de Tocqueville <[email protected]>
Co-authored-by: slunity <[email protected]>
Co-authored-by: Remi Chapelain <[email protected]>
Co-authored-by: Emmanuel Turquin <[email protected]>
Co-authored-by: Adrian1066 <[email protected]>

Author: 12 people

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -355,6 +355,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - When a ray hits the sky in the ray marching part of mixed ray tracing, it is considered a miss.
 - TAA jitter is disabled while using Frame Debugger now.
 - Depth of field at half or quarter resolution is now computed consistently with the full resolution option (case 1335687).
+- Hair uses GGX LTC for area light specular.
 
 ## [11.0.0] - 2020-10-21
 

com.unity.render-pipelines.high-definition/Runtime/Material/Hair/Hair.hlsl

@@ -336,7 +336,9 @@ PreLightData GetPreLightData(float3 V, PositionInputs posInput, inout BSDFData b
     // Note we load the matrix transpose (avoid to have to transpose it in shader)
     preLightData.ltcTransformSpecular      = 0.0;
     preLightData.ltcTransformSpecular._m22 = 1.0;
-    preLightData.ltcTransformSpecular._m00_m02_m11_m20 = SAMPLE_TEXTURE2D_ARRAY_LOD(_LtcData, s_linear_clamp_sampler, uv, LTCLIGHTINGMODEL_KAJIYA_KAY_SPECULAR, 0);
+    // IMPORTANT NOTE: For the time being, until we solve issues with Kajiya Kay anisotropy and LTC tables, hair will fall-back on GGX.
+    // To be replaced with LTCLIGHTINGMODEL_KAJIYA_KAY_SPECULAR when that table is going to be valid.
+    preLightData.ltcTransformSpecular._m00_m02_m11_m20 = SAMPLE_TEXTURE2D_ARRAY_LOD(_LtcData, s_linear_clamp_sampler, uv, LTCLIGHTINGMODEL_GGX, 0);
 
     // Construct a right-handed view-dependent orthogonal basis around the normal
     preLightData.orthoBasisViewNormal = GetOrthoBasisViewNormal(V, N, preLightData.NdotV);