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authorBrad Payne (Vir Linden) <vir@lindenlab.com>2020-09-28 19:51:24 +0100
committerBrad Payne (Vir Linden) <vir@lindenlab.com>2020-09-28 19:51:24 +0100
commit376f690f8fb9253f33bc207dce6e533dff9c8687 (patch)
tree9b5077efe190e91f0c2a309038dca2e48664582c /indra/newview/app_settings/shaders/class1/environment
parent1cba874abf6f955cf52d68c30c3230ec58528057 (diff)
parentbac6652cdcd2d8333df04c3ebd3a6a7b752328b3 (diff)
Merge remote-tracking branch 'origin/master' into DRTVWR-517
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/environment')
-rw-r--r--indra/newview/app_settings/shaders/class1/environment/encodeNormF.glsl3
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);