https://github.com/davidb/jme3_ext_deferred

[experimental] a deferred rendering for jME3
https://github.com/davidb/jme3_ext_deferred

Last synced: about 2 months ago
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[experimental] a deferred rendering for jME3

• Host: GitHub
• URL: https://github.com/davidb/jme3_ext_deferred
• Owner: davidB
• License: cc0-1.0
• Created: 2014-10-29T10:30:49.000Z (about 10 years ago)
• Default Branch: master
• Last Pushed: 2016-04-14T18:23:50.000Z (over 8 years ago)
• Last Synced: 2024-05-01T22:09:59.801Z (8 months ago)
• Language: Xtend
• Size: 954 KB
• Stars: 6
• Watchers: 5
• Forks: 0
• Open Issues: 4
• Metadata Files:
  • Readme: README.md
  • License: LICENSE.md

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README

        
[![CC-0](http://i.creativecommons.org/p/zero/1.0/88x31.png)](http://creativecommons.org/publicdomain/zero/1.0/)

An experimental deferred rendering pipeline for [jmonkeyengine 3](http://jmonkeyengine.org).

[![](http://img.youtube.com/vi/VcggFR0hMuA/0.jpg)](

https://www.youtube.com/watch?v=VcggFR0hMuA&index=8&list=PLR6cFelWHJZ1-GbCoDQ7gxT3Q7qqyrmYE)

# DONE (+/-)

* store normal as Oct16, based on [A Survey of Efficient Representations for Independent Unit Vectors](http://jcgt.org/published/0003/02/01/) ~ 2014

* use [Scalable Ambient Obscurance (SAO)](http://graphics.cs.williams.edu/papers/SAOHPG12/) ~2012 (I adapted G3D shader from sample), including blur (H+V)

* lights are defined as geometries + use stencil buffer to restrict area of effects.

* use material Id (+ table) to define some materials (diffuse, ...)

* display intermediate data textures (to help for debug) :  normals, depths, matIds, materials table, ao,

# TODO

* generate final result

* add more kind of lights (points, spotlight, directionnals, ambiants) (WIP)

* add "brdf" lighting

* try accumulated light buffer (ignoring material/surface)

* add NPR samples

* optimisation

  * profiler (jvisualvm, mat, ...)

  * bench : via [jmh](https://github.com/melix/jmh-gradle-plugin)

* clean-up

* modularize shader to ease reuse, customisation,...

* basic documentation (README, usages)

* provide doc/sample how to

  * change lighting function

  * add light type

  * extends GBuffer to store additionnal data

  * extends MatIdManager to store additionnal data

* add shadow

  * cast-received shadow (hybrid map + volume) ?

* try [mssao](http://www.comp.nus.edu.sg/~lowkl/publications/mssao_cgi2011.pdf)

* use deep GBuffer based on 

  * update SAO

  * add  pseudo-radiosity (??)

  * add Motion Blur

* a lot of more ...

* support env without depth24stencil8, some ways to explore :

  * http://en.wikibooks.org/wiki/OpenGL_Programming/Stencil_buffer

  * https://www.opengl.org/wiki/Framebuffer_Object_Examples#Stencil

  * https://www.khronos.org/registry/gles/extensions/OES/OES_packed_depth_stencil.txt

  * https://www.opengl.org/registry/specs/EXT/packed_depth_stencil.txt

  * using STENCIL_INDEX8 https://www.khronos.org/registry/gles/extensions/OES/OES_texture_stencil8.txt

     https://groups.google.com/forum/#!topic/webgl-dev-list/6pfpr1GW_-g

* support mac osx

  * https://developer.apple.com/opengl/

  * https://developer.apple.com/opengl/capabilities/index.html