diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl index 6a83be1426..da3d922017 100644 --- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl +++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl @@ -47,12 +47,12 @@ uniform vec4 sunlight_color; uniform vec4 ambient; uniform vec4 blue_horizon; uniform vec4 blue_density; -uniform vec4 haze_horizon; -uniform vec4 haze_density; -uniform vec4 cloud_shadow; -uniform vec4 density_multiplier; -uniform vec4 distance_multiplier; -uniform vec4 max_y; +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; void calcAtmospherics(vec3 inPositionEye) { @@ -61,8 +61,8 @@ void calcAtmospherics(vec3 inPositionEye) { setPositionEye(P); //(TERRAIN) limit altitude - if (P.y > max_y.x) P *= (max_y.x / P.y); - if (P.y < -max_y.x) P *= (-max_y.x / P.y); + if (P.y > max_y) P *= (max_y / P.y); + if (P.y < -max_y) P *= (-max_y / P.y); vec3 tmpLightnorm = lightnorm.xyz; @@ -78,13 +78,13 @@ void calcAtmospherics(vec3 inPositionEye) { //sunlight attenuation effect (hue and brightness) due to atmosphere //this is used later for sunlight modulation at various altitudes - light_atten = (blue_density * 1.0 + vec4(haze_density.r) * 0.25) * (density_multiplier.x * max_y.x); + 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.r); + temp1 = blue_density + vec4(haze_density); blue_weight = blue_density / temp1; - haze_weight = vec4(haze_density.r) / 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); @@ -92,12 +92,12 @@ void calcAtmospherics(vec3 inPositionEye) { sunlight *= exp( - light_atten * temp2.y); // main atmospheric scattering line integral - temp2.z = Plen * density_multiplier.x; + temp2.z = Plen * density_multiplier; // Transparency (-> temp1) - // ATI Bugfix -- can't store temp1*temp2.z*distance_multiplier.x in a variable because the ati + // 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.x); + temp1 = exp(-temp1 * temp2.z * distance_multiplier); //final atmosphere attenuation factor setAtmosAttenuation(temp1.rgb); @@ -122,12 +122,12 @@ void calcAtmospherics(vec3 inPositionEye) { //increase ambient when there are more clouds - vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow.x * 0.5; + vec4 tmpAmbient = ambient + (vec4(1.) - ambient) * cloud_shadow * 0.5; //haze color setAdditiveColor( - vec3(blue_horizon * blue_weight * (sunlight*(1.-cloud_shadow.x) + tmpAmbient) - + (haze_horizon.r * haze_weight) * (sunlight*(1.-cloud_shadow.x) * temp2.x + 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 |