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EEVEE: Use rasterizer to tag shadow update #123563

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Clément Foucault wants to merge 1 commits from fclem/blender:eevee-shadow-rasterized-update-tag into main
pull from: fclem/blender:eevee-shadow-rasterized-update-tag
merge into: blender:main

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Clément Foucault commented 2024-06-21 17:54:42 +02:00
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This improve the precision of the update tagging
(and avoid more false positive tagging), we tag
using a rasterized version of the bounding box
instead of the bounds of its projection (with
additional fallback).

TODOs:

  • Make it work: currently not working and breaks renderdoc captures (all magenta).
  • Add conservative rasterization equivalent (inflate bounds in screen space, see armature outline drawing).
  • Use infinite projection matrix to not loose distant objects.
This improve the precision of the update tagging (and avoid more false positive tagging), we tag using a rasterized version of the bounding box instead of the bounds of its projection (with additional fallback). TODOs: - [ ] Make it work: currently not working and breaks renderdoc captures (all magenta). - [ ] Add conservative rasterization equivalent (inflate bounds in screen space, see armature outline drawing). - [ ] Use infinite projection matrix to not loose distant objects.
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Clément Foucault added 1 commit 2024-06-21 17:54:46 +02:00 
This improve the precision of the update tagging
(and avoid more false positive tagging), we tag
using a rasterized version of the bounding box
instead of the bounds of its projection (with
additional fallback).
This pull request has changes conflicting with the target branch.
  • source/blender/draw/engines/eevee_next/shaders/eevee_shadow_tag_update_comp.glsl
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From your project repository, check out a new branch and test the changes.
git fetch -u eevee-shadow-rasterized-update-tag:fclem-eevee-shadow-rasterized-update-tag
git checkout fclem-eevee-shadow-rasterized-update-tag
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Reference: blender/blender#123563
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