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author | Tofu Linden <tofu.linden@lindenlab.com> | 2010-05-09 15:02:10 +0100 |
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committer | Tofu Linden <tofu.linden@lindenlab.com> | 2010-05-09 15:02:10 +0100 |
commit | 12d3ba4baee93bcb024fbeee0d6f05df6d02935f (patch) | |
tree | 890058e8315e803a0d2f740a9fe4bddcd53706f5 /indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl | |
parent | 08755849ab126c13580f3af38721f83cb5ce01ce (diff) |
Rejig deferred normal-map packing a little, to double its accuracy for free.
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl index eeaecc157f..8a90199b7c 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl @@ -82,7 +82,8 @@ void main() discard; } - vec3 norm = texture2DRect(normalMap, frag.xy).xyz*2.0-1.0; + vec3 norm = texture2DRect(normalMap, frag.xy).xyz; + norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm norm = normalize(norm); float l_dist = -dot(lv, proj_n); |