pmndrs / pmndrs/postprocessing
Implement SSAOEffect
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- Dominant language
- JavaScript
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Description
Description
Implement an SSAOEffect.
Related: #214, #245, #579
References:
- https://github.com/mrdoob/three.js/issues/29668
- https://github.com/GameTechDev/XeGTAO
- https://github.com/N8python/n8ao
- https://github.com/gkjohnson/threejs-sandbox/tree/master/gtaoPass
- https://github.com/pmndrs/postprocessing/issues/192#issuecomment-636593555
- https://d29g4g2dyqv443.cloudfront.net/sites/default/files/akamai/gamedev%2Ffiles%2Fgdc12%2FGDC12_Bavoil_Stable_SSAO_In_BF3_With_STF.pdf
- https://github.com/asylum2010/Asylum_Tutorials/blob/master/Media/ShadersGL/gtaotemporaldenoiser.frag
- https://github.com/mrdoob/three.js/issues/29668
Tasks
- Create
SSAOEffect. - Create
ssaodemo. - Add unit test.
Implementation Details
- Find best SSAO technique before implementing (XeGTAO, SSRT3, GTVBAO, etc.).
- Should be done after
TAAEffectandDenoisePass(bilateral blur) have been implemented. Consider adding support for light bounce.(should be handled by GI)
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reviewing the referenced SSAO techniques and related issues, then check the prerequisite TAAEffect and DenoisePass work. The issue names no implementation file or test entry point. Done means creating SSAOEffect, adding an ssao demo, and adding a unit test after selecting and implementing a suitable technique.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- javascript
- Domain
- computer-graphics
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100