From 940bca8ebc03d963d8384f07b4bea7c5484691a3 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Sun, 9 May 2010 15:02:10 +0100 Subject: Rejig deferred normal-map packing a little, to double its accuracy for free. --- indra/newview/app_settings/shaders/class1/deferred/giF.glsl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class1/deferred/giF.glsl') diff --git a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl index b351eec6e5..d4b153c4af 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl @@ -159,7 +159,8 @@ void main() { vec2 pos_screen = vary_fragcoord.xy; vec4 pos = getPosition(pos_screen); - vec3 norm = texture2DRect(normalMap, pos_screen).xyz*2.0-1.0; + vec3 norm = texture2DRect(normalMap, pos_screen).xyz; + norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm gl_FragData[0].xyz = giAmbient(pos, norm); } -- cgit v1.2.3