From 3f05cd7e7fdb7da83f27f798913a0b0b848a08a6 Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Tue, 6 Apr 2010 22:24:57 +0100 Subject: extra diffuse sample in ssreflection to decrease aliasing. --- .../app_settings/shaders/class1/deferred/softenLightF.glsl | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'indra') diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl index 503c7d0b83..3f4425a0b2 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl @@ -298,13 +298,18 @@ void main() // of the diffuse map. LOD would be better in that regard. // The goal of the blur is to soften reflections in surfaces // with low shinyness, and also to disguise our lameness. + // --------------------- + // ^ ^ ^ ^ ^ + // a . b o c . d check=0:avg(a,b) check=1:avg(c,d) float checkerboard = floor(mod(tc.x+tc.y, 2.0)); // 0.0, 1.0 - ref2d += normalize(ref2d)*14.0*(1.0-spec.a)*(checkerboard-0.5); + vec2 checkoffset = normalize(ref2d)*5.0*(1.0-spec.a)*(checkerboard-0.5); + ref2d += checkoffset; ref2d += tc.xy; // use as offset from destination // get attributes from the 2D guess point float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; - vec3 refcol = texture2DRect(diffuseRect, ref2d).rgb; + vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d).rgb + + texture2DRect(diffuseRect, ref2d + checkoffset*2.0).rgb); vec3 refn = normalize(texture2DRect(normalMap, ref2d).rgb * 2.0 - 1.0); // figure out how appropriate our guess actually was float refapprop = max(0.0, dot(-refnorm, normalize(pos - refpos))); -- cgit v1.2.3