Ticket #161 (closed enhancement: fixed)

Opened 11 years ago

Last modified 10 years ago

Better normal representation in G-Buffer

Reported by: gongminmin Owned by: gongminmin
Priority: major Milestone: 4.5.0
Component: Core-Rendering system Version: 4.4.0
Keywords: Cc:

Description

Currently the normal is stored in "best fit normal" way. The error distribution is not good enough.

Change History

Changed 10 years ago by gongminmin

  • milestone set to 4.5.0

Changed 10 years ago by gongminmin

May follow this:  http://faculty.cs.tamu.edu/schaefer/research/normalCompression.pdf

Changed 10 years ago by gongminmin

  • status changed from new to closed
  • version changed from 4.3.0 to 4.4.0
  • resolution set to fixed

Some research shows the method from that paper is not suitable for realtime G-Buffer usage. Sphere map with 24-bit is better than best fit normals. Implemented in changeset 130394a715d43cef25ae71ca59a0f2f36e738e45.

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