diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2')
4 files changed, 10 insertions, 102 deletions
diff --git a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl index 26f8095dc1..ea926ab5f1 100644 --- a/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl +++ b/indra/newview/app_settings/shaders/class2/deferred/skyF.glsl @@ -117,10 +117,11 @@ void main() vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color; vec4 light_atten; + float dens_mul = density_multiplier * 0.5; // Sunlight attenuation effect (hue and brightness) due to atmosphere // this is used later for sunlight modulation at various altitudes - light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); + light_atten = (blue_density + vec4(haze_density * 0.25)) * (dens_mul * max_y); // Calculate relative weights temp1 = blue_density + haze_density; @@ -133,7 +134,7 @@ void main() sunlight *= exp( - light_atten * temp2.y); // Distance - temp2.z = Plen * density_multiplier; + temp2.z = Plen * dens_mul; // Transparency (-> temp1) // ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl index 7b46a2ed28..a93253c981 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl @@ -37,8 +37,6 @@ uniform vec4 blue_density; uniform float haze_horizon; uniform float haze_density; uniform float cloud_shadow; -uniform float density_multiplier; -uniform float distance_multiplier; uniform float max_y; uniform vec4 glow; uniform float scene_light_strength; @@ -64,97 +62,3 @@ vec3 atmosLighting(vec3 light) { return atmosFragLighting(light, getAdditiveColor(), getAtmosAttenuation()); } - -void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten) { - - vec3 P = inPositionEye; - - //(TERRAIN) limit altitude - if (P.y > max_y) P *= (max_y / P.y); - if (P.y < -max_y) P *= (-max_y / P.y); - - vec3 tmpLightnorm = lightnorm.xyz; - - vec3 Pn = normalize(P); - float Plen = length(P); - - vec4 temp1 = vec4(0); - vec3 temp2 = vec3(0); - vec4 blue_weight; - vec4 haze_weight; - vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color; - vec4 light_atten; - - //sunlight attenuation effect (hue and brightness) due to atmosphere - //this is used later for sunlight modulation at various altitudes - light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); - //I had thought blue_density and haze_density should have equal weighting, - //but attenuation due to haze_density tends to seem too strong - - temp1 = blue_density + vec4(haze_density); - blue_weight = blue_density / temp1; - haze_weight = vec4(haze_density) / temp1; - - //(TERRAIN) compute sunlight from lightnorm only (for short rays like terrain) - temp2.y = max(0.0, tmpLightnorm.y); - if (temp2.y > 0.001f) - { - temp2.y = 1. / temp2.y; - } - temp2.y = max(0.001f, temp2.y); - sunlight *= exp(-light_atten * temp2.y); - - // main atmospheric scattering line integral - temp2.z = Plen * density_multiplier; - - // Transparency (-> temp1) - // ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier in a variable because the ati - // compiler gets confused. - temp1 = exp(-temp1 * temp2.z * distance_multiplier); - - //final atmosphere attenuation factor - atten = temp1.rgb; - - //compute haze glow - //(can use temp2.x as temp because we haven't used it yet) - temp2.x = dot(Pn, tmpLightnorm.xyz); - temp2.x = 1. - temp2.x; - //temp2.x is 0 at the sun and increases away from sun - temp2.x = max(temp2.x, .03); //was glow.y - //set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) - temp2.x *= glow.x; - //higher glow.x gives dimmer glow (because next step is 1 / "angle") - temp2.x = pow(temp2.x, glow.z); - //glow.z should be negative, so we're doing a sort of (1 / "angle") function - - //add "minimum anti-solar illumination" - temp2.x += .25; - - temp2.x *= sun_moon_glow_factor; - - //increase ambient when there are more clouds - vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow * 0.5; - - /* decrease value and saturation (that in HSV, not HSL) for occluded areas - * // for HSV color/geometry used here, see http://gimp-savvy.com/BOOK/index.html?node52.html - * // The following line of code performs the equivalent of: - * float ambAlpha = tmpAmbient.a; - * float ambValue = dot(vec3(tmpAmbient), vec3(0.577)); // projection onto <1/rt(3), 1/rt(3), 1/rt(3)>, the neutral white-black axis - * vec3 ambHueSat = vec3(tmpAmbient) - vec3(ambValue); - * tmpAmbient = vec4(RenderSSAOEffect.valueFactor * vec3(ambValue) + RenderSSAOEffect.saturationFactor *(1.0 - ambFactor) * ambHueSat, ambAlpha); - */ - tmpAmbient = vec4(mix(ssao_effect_mat * tmpAmbient.rgb, tmpAmbient.rgb, ambFactor), tmpAmbient.a); - - //haze color - additive = - vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow) + tmpAmbient) - + (haze_horizon * haze_weight) * (sunlight*(1.-cloud_shadow) * temp2.x - + tmpAmbient)); - - //brightness of surface both sunlight and ambient - sunlit = vec3(sunlight.rgb); - amblit = vec3(tmpAmbient * .25); - additive = normalize(additive); - additive *= vec3(1.0 - exp(-temp2.z * distance_multiplier)) * 0.5; -} - diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl index 36badc5214..fcfe5bbba0 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl @@ -103,10 +103,11 @@ void main() vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color; vec4 light_atten; + float dens_mul = density_multiplier * 0.5; // Sunlight attenuation effect (hue and brightness) due to atmosphere // this is used later for sunlight modulation at various altitudes - light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); + light_atten = (blue_density + vec4(haze_density * 0.25)) * (dens_mul * max_y); // Calculate relative weights temp1 = blue_density + haze_density; @@ -119,7 +120,7 @@ void main() sunlight *= exp( - light_atten * temp2.y); // Distance - temp2.z = Plen * density_multiplier; + temp2.z = Plen * dens_mul; // Transparency (-> temp1) // ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati diff --git a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl index 5798493ce5..a253bb72d5 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl @@ -87,9 +87,11 @@ void main() vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color; vec4 light_atten; + float dens_mul = density_multiplier * 0.5; + // Sunlight attenuation effect (hue and brightness) due to atmosphere // this is used later for sunlight modulation at various altitudes - light_atten = (blue_density + vec4(haze_density * 0.25)) * (density_multiplier * max_y); + light_atten = (blue_density + vec4(haze_density * 0.25)) * (dens_mul * max_y); // Calculate relative weights temp1 = blue_density + haze_density; @@ -102,7 +104,7 @@ void main() sunlight *= exp( - light_atten * temp2.y); // Distance - temp2.z = Plen * density_multiplier; + temp2.z = Plen * dens_mul; // Transparency (-> temp1) // ATI Bugfix -- can't store temp1*temp2.z in a variable because the ati |