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| author | Tofu Linden <tofu.linden@lindenlab.com> | 2010-05-09 15:02:10 +0100 |
|---|---|---|
| committer | Tofu Linden <tofu.linden@lindenlab.com> | 2010-05-09 15:02:10 +0100 |
| commit | 514186eee31c4bc44e7bc021bb9c526e4138cb07 (patch) | |
| tree | baead739f98c7e374c073ff8012c346b5ce4383f /indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl | |
| parent | 6b26a7c330e83860b28ae051ddd4e88078921256 (diff) | |
Rejig deferred normal-map packing a little, to double its accuracy for free.
(transplanted from bf541483d9074c18c6d4f4bd19caf0de82013cbf)
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl index 794c4d2761..7423347346 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl @@ -104,8 +104,9 @@ void main() vec4 pos = getPosition(pos_screen); vec4 nmap4 = texture2DRect(normalMap, pos_screen); + nmap4 = vec4((nmap4.xy-0.5)*2.0,nmap4.z,nmap4.w); // unpack norm float displace = nmap4.w; - vec3 norm = nmap4.xyz*2.0-1.0; + vec3 norm = nmap4.xyz; /*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL { |