diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/windlight/skyV.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class2/windlight/skyV.glsl | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl index 3788ddaf2d..a23a5d4076 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl @@ -1,5 +1,5 @@ /** - * @file WLSkyV.glsl + * @file class2\wl\skyV.glsl * * $LicenseInfo:firstyear=2005&license=viewerlgpl$ * Second Life Viewer Source Code @@ -39,6 +39,8 @@ uniform vec3 camPosLocal; uniform vec4 lightnorm; uniform vec4 sunlight_color; +uniform vec4 moonlight_color; +uniform int sun_up_factor; uniform vec4 ambient; uniform vec4 blue_horizon; uniform vec4 blue_density; @@ -47,10 +49,11 @@ 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 sun_moon_glow_factor; uniform vec4 cloud_color; void main() @@ -82,12 +85,14 @@ void main() vec4 temp2 = vec4(0.); vec4 blue_weight; vec4 haze_weight; - vec4 sunlight = sunlight_color; + vec4 sunlight = (sun_up_factor == 1) ? sunlight_color : moonlight_color; vec4 light_atten; + float dens_mul = density_multiplier * 0.45; + // 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; @@ -100,12 +105,12 @@ 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 // compiler gets confused. - temp1 = exp(-temp1 * temp2.z); + temp1 = exp(-temp1 * temp2.z * distance_multiplier); // Compute haze glow @@ -119,6 +124,8 @@ void main() temp2.x = pow(temp2.x, glow.z); // glow.z should be negative, so we're doing a sort of (1 / "angle") function + temp2.x *= sun_moon_glow_factor; + // Add "minimum anti-solar illumination" temp2.x += .25; |