From 12d3ba4baee93bcb024fbeee0d6f05df6d02935f 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/class2/deferred/blurLightF.glsl | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl index 0fad5b4b50..d1c5d7cb19 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/blurLightF.glsl @@ -37,7 +37,8 @@ vec4 getPosition(vec2 pos_screen) void main() { - vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz*2.0-1.0; + vec3 norm = texture2DRect(normalMap, vary_fragcoord.xy).xyz; + norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm vec3 pos = getPosition(vary_fragcoord.xy).xyz; vec4 ccol = texture2DRect(lightMap, vary_fragcoord.xy).rgba; -- cgit v1.2.3