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| author | Ptolemy <ptolemy@lindenlab.com> | 2020-06-29 12:00:42 -0700 |
|---|---|---|
| committer | Ptolemy <ptolemy@lindenlab.com> | 2020-06-29 12:00:42 -0700 |
| commit | 82882d77c41edc3fc3a962ab95ad19fc99604228 (patch) | |
| tree | bd0bd417a89841e017c09ddc8be9dd25fd6e39fe /indra/newview/app_settings/shaders/class1/environment | |
| parent | 2805f380743ae56deed97e3ad2c849abd36e7244 (diff) | |
DRTVWR-497: Cleanup: Document algorithm name for normal packing/unpacking.
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/environment')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/environment/encodeNormF.glsl | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/encodeNormF.glsl b/indra/newview/app_settings/shaders/class1/environment/encodeNormF.glsl index 50e781fa78..6cd2445522 100644 --- a/indra/newview/app_settings/shaders/class1/environment/encodeNormF.glsl +++ b/indra/newview/app_settings/shaders/class1/environment/encodeNormF.glsl @@ -23,6 +23,9 @@ * $/LicenseInfo$ */ +// Lambert Azimuthal Equal-Area projection +// See: https://aras-p.info/texts/CompactNormalStorage.html +// Also see: A_bit_more_deferred_-_CryEngine3.ppt vec2 encode_normal(vec3 n) { float f = sqrt(8 * n.z + 8); |