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EEVEE-Next: Make closure evaluation fully type agnostic #118079

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Clément Foucault merged 31 commits from fclem/blender:eevee-next-forward-closure-agnostic into main 2024-02-24 00:00:20 +01:00
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Clément Foucault commented 2024-02-10 10:30:35 +01:00
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The goal of this task is to remove noise in the most common material
layering configuration.

Subsequently, this also split the evaluation of different closure to
their own buffer to avoid discontinuity when denoising them.

This commit does a few things:

  • Removes use of global for closure random number.
  • Refactor the forward evaluation to be closure type agnostic.
  • Refactor the gbuffer lib to be closure type agnostic.
  • Reduces the number of picked closure to 3 maximum or less.
  • Use GPU_MATFLAG_COAT to tag the use of multiple usage of glossy BSDF.
  • Use two closure bin for Glossy when more than one.
  • Set closure bin per type for best noise level for most materials.
  • Change the gbuffer header to put the closure at their bin index.
  • Add a method to get a closure from the gbuffer from a specific bin.
  • Split lighting passes per Closure.

TODO:

  • Clean naming convention between closure index / layer / bin.
  • Fix performance issue with Raytracing on.
The goal of this task is to remove noise in the most common material layering configuration. Subsequently, this also split the evaluation of different closure to their own buffer to avoid discontinuity when denoising them. This commit does a few things: - [x] Removes use of global for closure random number. - [x] Refactor the forward evaluation to be closure type agnostic. - [x] Refactor the gbuffer lib to be closure type agnostic. - [x] Reduces the number of picked closure to 3 maximum or less. - [x] Use GPU_MATFLAG_COAT to tag the use of multiple usage of glossy BSDF. - [x] Use two closure bin for Glossy when more than one. - [x] Set closure bin per type for best noise level for most materials. - [x] Change the gbuffer header to put the closure at their bin index. - [x] Add a method to get a closure from the gbuffer from a specific bin. - [x] Split lighting passes per Closure. TODO: - [x] Clean naming convention between closure index / layer / bin. - [x] Fix performance issue with Raytracing on.
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Clément Foucault added this to the 4.2 LTS milestone 2024-02-10 10:30:35 +01:00
Clément Foucault added the
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Clément Foucault added 8 commits 2024-02-10 10:30:45 +01:00 
This fixes some case where the variable was used
before initialization.
This breaks a few assumption that might be hard to fix.
Mostly, that first closure always contain diffuse/sss.
This avoids complexity issue and shader compilation
hanging on some platform.
Clément Foucault added 1 commit 2024-02-19 20:34:23 +01:00 
# Conflicts:
#	source/blender/draw/engines/eevee_next/eevee_shader.cc
#	source/blender/draw/engines/eevee_next/shaders/eevee_lightprobe_eval_lib.glsl
Clément Foucault added 12 commits 2024-02-21 19:53:57 +01:00 
This allows to recover what layer the data is from.
Avoid breaking a single closure into different
denoising passes (not implemented yet).
Clément Foucault added 1 commit 2024-02-22 17:30:31 +01:00 
This avoids cross contamination of closures during
denoising passes.
Clément Foucault added 2 commits 2024-02-22 18:39:31 +01:00
Clément Foucault added 2 commits 2024-02-23 14:43:27 +01:00
Clément Foucault added 1 commit 2024-02-23 16:00:53 +01:00
Clément Foucault added 1 commit 2024-02-23 17:16:38 +01:00
Clément Foucault added 2 commits 2024-02-23 18:50:25 +01:00
Clément Foucault added 1 commit 2024-02-23 22:15:54 +01:00
Cleanup naming convention
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Clément Foucault commented 2024-02-23 22:16:10 +01:00
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@blender-bot build

@blender-bot build
Clément Foucault changed title from WIP: EEVEE-Next: Make closure evaluation fully type agnostic to EEVEE-Next: Make closure evaluation fully type agnostic 2024-02-23 23:58:07 +01:00
Clément Foucault merged commit 06d3627c43 into main 2024-02-24 00:00:20 +01:00
Clément Foucault deleted branch eevee-next-forward-closure-agnostic 2024-02-24 00:00:22 +01:00
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