From a6d45be78af9e5ef547fa594c284a878bdf19ffb Mon Sep 17 00:00:00 2001 From: Tofu Linden Date: Mon, 29 Mar 2010 11:30:08 +0100 Subject: ss reflections tweakage: + // Offset the guess source a little according to a trivial + // checkerboard dither function and spec.a. + // This is meant to be similar to sampling a blurred version + // 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. --- .../app_settings/shaders/class2/deferred/softenLightF.glsl | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl') diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl index 78e4c179d7..5769288a36 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl @@ -290,6 +290,14 @@ void main() depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from vec2 ref2d = tc.xy + (0.25 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; + // Offset the guess source a little according to a trivial + // checkerboard dither function and spec.a. + // This is meant to be similar to sampling a blurred version + // 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. + 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); // get attributes from the 2D guess point float refdepth = texture2DRect(depthMap, ref2d).a; vec3 refpos = getPosition_d(ref2d, refdepth).xyz; -- cgit v1.2.3