From e16eb4ae4a73125bc4e74fc667aa99110ac77c29 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Wed, 27 Jul 2011 01:04:53 -0500 Subject: SH-1990 Fix for redundantly applying some color scaling to sky and water (also add some snazzy specular bloom from the sun) --- .../shaders/class3/deferred/softenLightF.glsl | 113 +++++++-------------- 1 file changed, 36 insertions(+), 77 deletions(-) (limited to 'indra/newview/app_settings/shaders/class3') diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl index d38d33cc21..1ae10a5faa 100644 --- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl +++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl @@ -268,91 +268,50 @@ void main() float da = max(dot(norm.xyz, vary_light.xyz), 0.0); vec4 diffuse = texture2DRect(diffuseRect, tc); - vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); + vec3 col; + float bloom = 0.0; + + if (diffuse.a < 0.9) + { + vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy); - da = texture2D(lightFunc, vec2(da, 0.0)).a; + da = texture2D(lightFunc, vec2(da, 0.0)).a; - vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; - float scol = max(scol_ambocc.r, diffuse.a); - float ambocc = scol_ambocc.g; + vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg; + float scol = max(scol_ambocc.r, diffuse.a); + float ambocc = scol_ambocc.g; - calcAtmospherics(pos.xyz, ambocc); + calcAtmospherics(pos.xyz, ambocc); - vec3 col = atmosAmbient(vec3(0)); - col += atmosAffectDirectionalLight(max(min(da, scol), diffuse.a)); + col = atmosAmbient(vec3(0)); + col += atmosAffectDirectionalLight(max(min(da, scol), diffuse.a)); - col *= diffuse.rgb; + col *= diffuse.rgb; - if (spec.a > 0.0) // specular reflection + if (spec.a > 0.0) // specular reflection + { + // the old infinite-sky shiny reflection + // + vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); + float sa = dot(refnormpersp, vary_light.xyz); + vec3 dumbshiny = vary_SunlitColor*scol*texture2D(lightFunc, vec2(sa, spec.a)).a; + + // add the two types of shiny together + vec3 spec_contrib = dumbshiny * spec.rgb; + bloom = dot(spec_contrib, spec_contrib); + col += spec_contrib; + } + + col = atmosLighting(col); + col = scaleSoftClip(col); + + col = mix(col, diffuse.rgb, diffuse.a); + } + else { - // the old infinite-sky shiny reflection - // - vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz)); - float sa = dot(refnormpersp, vary_light.xyz); - vec3 dumbshiny = vary_SunlitColor*scol*texture2D(lightFunc, vec2(sa, spec.a)).a; - - /* - // screen-space cheap fakey reflection map - // - vec3 refnorm = normalize(reflect(vec3(0,0,-1), norm.xyz)); - depth -= 0.5; // unbias depth - // first figure out where we'll make our 2D guess from - 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 - float checkoffset = (3.0 + (7.0*(1.0-spec.a)))*(checkerboard-0.5); - - ref2d += vec2(checkoffset, checkoffset); - ref2d += tc.xy; // use as offset from destination - // Get attributes from the 2D guess point. - // We average two samples of diffuse (not of anything else) per - // pixel to try to reduce aliasing some more. - vec3 refcol = 0.5 * (texture2DRect(diffuseRect, ref2d + vec2(0.0, -checkoffset)).rgb + - texture2DRect(diffuseRect, ref2d + vec2(-checkoffset, 0.0)).rgb); - float refdepth = texture2DRect(depthMap, ref2d).a; - vec3 refpos = getPosition_d(ref2d, refdepth).xyz; - float refshad = texture2DRect(lightMap, ref2d).r; - vec3 refn = texture2DRect(normalMap, ref2d).rgb; - refn = vec3((refn.xy-0.5)*2.0,refn.z); // unpack norm - refn = normalize(refn); - // figure out how appropriate our guess actually was - float refapprop = max(0.0, dot(-refnorm, normalize(pos - refpos))); - // darken reflections from points which face away from the reflected ray - our guess was a back-face - //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. - // reflect light direction to increase the illusion that - // these are reflections. - vec3 reflight = reflect(lightnorm.xyz, norm.xyz); - float reflit = min(max(dot(refn, reflight.xyz), 0.0), refshad); - // apply sun color to guess-point, dampen according to inappropriateness of guess - float refmod = min(refapprop, reflit); - vec3 refprod = vary_SunlitColor * refcol.rgb * refmod; - vec3 ssshiny = (refprod * spec.a); - ssshiny *= 0.3; // dampen it even more - */ - vec3 ssshiny = vec3(0,0,0); - - // add the two types of shiny together - col += (ssshiny + dumbshiny) * spec.rgb; + col = diffuse.rgb; } - - col = atmosLighting(col); - col = scaleSoftClip(col); gl_FragColor.rgb = col; - - //gl_FragColor.rgb = gi_col.rgb; - gl_FragColor.a = 0.0; - - //gl_FragColor.rg = scol_ambocc.rg; - //gl_FragColor.rgb = texture2DRect(lightMap, vary_fragcoord.xy).rgb; - //gl_FragColor.rgb = norm.rgb*0.5+0.5; - //gl_FragColor.rgb = vec3(ambocc); - //gl_FragColor.rgb = vec3(scol); + gl_FragColor.a = bloom; } -- cgit v1.2.3