From 698966f8e7ddcc0b123a83d7c4e381778f8cd8ab Mon Sep 17 00:00:00 2001 From: RunitaiLinden Date: Tue, 4 Apr 2023 12:29:12 -0500 Subject: =?UTF-8?q?SL-19538=20Remove=20hacky=20ambiance=20scale=20and=20ta?= =?UTF-8?q?ke=20the=20mittens=20off=20probe=20a=E2=80=A6=20(#151)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * SL-19538 Remove hacky ambiance scale and take the mittens off probe ambiance values. Fix for sky brightening being done in sRGB space. --- .../shaders/class2/windlight/atmosphericsF.glsl | 6 +++++- .../class2/windlight/atmosphericsFuncs.glsl | 4 +--- .../shaders/class2/windlight/transportF.glsl | 22 ++++------------------ 3 files changed, 10 insertions(+), 22 deletions(-) (limited to 'indra/newview/app_settings/shaders/class2/windlight') diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl index 1d02498209..22e93496d2 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl @@ -30,10 +30,14 @@ vec3 scaleSoftClipFrag(vec3 light); vec3 srgb_to_linear(vec3 col); vec3 linear_to_srgb(vec3 col); +uniform int sun_up_factor; + vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten) { light *= atten.r; - light += additive * 2.0; + additive = srgb_to_linear(additive*2.0); + additive *= sun_up_factor + 1.0; + light += additive; return light; } diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl index c2527db218..12a99edc34 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsFuncs.glsl @@ -63,9 +63,7 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou vec3 rel_pos_norm = normalize(rel_pos); float rel_pos_len = length(rel_pos); - float scale = sun_up_factor + 1; vec3 sunlight = (sun_up_factor == 1) ? sunlight_color: moonlight_color; - sunlight *= scale; // sunlight attenuation effect (hue and brightness) due to atmosphere // this is used later for sunlight modulation at various altitudes @@ -143,7 +141,7 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou // fudge sunlit and amblit to get consistent lighting compared to legacy // midday before PBR was a thing - sunlit = sunlight.rgb / scale; + sunlit = sunlight.rgb; amblit = tmpAmbient.rgb * 0.25; additive *= vec3(1.0 - combined_haze); diff --git a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl index 6aa719d200..8221ba9516 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl @@ -30,14 +30,13 @@ vec3 getAdditiveColor(); vec3 getAtmosAttenuation(); -vec3 srgb_to_linear(vec3 col); -vec3 linear_to_srgb(vec3 col); +vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten); + +// the below implementations are deprecated but remain here as adapters for shaders that haven't been refactored yet vec3 atmosTransportFrag(vec3 light, vec3 additive, vec3 atten) { - light *= atten.r; - light += additive * 2.0; - return light; + return atmosFragLighting(light, additive, atten); } vec3 atmosTransport(vec3 light) @@ -45,30 +44,17 @@ vec3 atmosTransport(vec3 light) return atmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation()); } -vec3 fullbrightAtmosTransportFragLinear(vec3 light, vec3 additive, vec3 atten) -{ - // same as non-linear version, probably fine - //float brightness = dot(light.rgb * 0.5, vec3(0.3333)) + 0.1; - //return mix(atmosTransportFrag(light.rgb, additive, atten), light.rgb + additive, brightness * brightness); - return atmosTransportFrag(light, additive, atten); -} - vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten) { - //float brightness = dot(light.rgb * 0.5, vec3(0.3333)) + 0.1; - //return mix(atmosTransportFrag(light.rgb, additive, atten), light.rgb + additive, brightness * brightness); return atmosTransportFrag(light, additive, atten); } vec3 fullbrightAtmosTransport(vec3 light) { - //return fullbrightAtmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation()); return atmosTransport(light); } vec3 fullbrightShinyAtmosTransport(vec3 light) { - //float brightness = dot(light.rgb, vec3(0.33333)); - //return mix(atmosTransport(light.rgb), (light.rgb + getAdditiveColor().rgb) * (2.0 - brightness), brightness * brightness); return atmosTransport(light); } -- cgit v1.2.3