diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl index 7d57eaa13d..155f03fdcf 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl @@ -288,8 +288,18 @@ void main() // screen-space cheap fakey reflection map // + depth -= 0.5; // unbias depth // first figure out where we'll make our 2D guess from - vec2 ref2d = tc.xy + (0.5 * screen_res.y) * (refnorm.xy) * abs(refnorm.z) / depth; + vec2 ref2d = (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); + 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; @@ -301,7 +311,7 @@ void main() //refapprop *= step(dot(refnorm, refn), 0.0); refapprop = min(refapprop, max(0.0, -dot(refnorm, refn))); // more conservative variant // get appropriate light strength for guess-point - float reflit = max(dot(refn, vary_light.xyz), 0.0); + float reflit = max(dot(refn, lightnorm.xyz), 0.0); // apply sun color to guess-point, dampen according to inappropriateness of guess vec3 refprod = (vary_SunlitColor*reflit) * refcol.rgb * refapprop; vec3 ssshiny = (refprod * spec.a); |