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-rw-r--r--indra/llrender/llshadermgr.cpp10
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl225
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/materialF.glsl235
-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl235
-rw-r--r--indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl5
-rw-r--r--indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl260
-rw-r--r--indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl122
-rw-r--r--indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersF.glsl49
-rw-r--r--indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl7
-rw-r--r--indra/newview/app_settings/shaders/class2/windlight/transportF.glsl25
-rw-r--r--indra/newview/llviewershadermgr.cpp28
11 files changed, 294 insertions, 907 deletions
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 129c915139..60cbbd942f 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -98,7 +98,7 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
}
}
- if (features->calculatesLighting || features->atmosphericHelpers)
+ if (features->calculatesLighting || features->calculatesAtmospherics)
{
if (!shader->attachObject("windlight/atmosphericsHelpersV.glsl"))
{
@@ -194,6 +194,14 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
}
}
+ if (features->calculatesLighting || features->calculatesAtmospherics)
+ {
+ if (!shader->attachObject("windlight/atmosphericsHelpersF.glsl"))
+ {
+ return FALSE;
+ }
+ }
+
// NOTE order of shader object attaching is VERY IMPORTANT!!!
if (features->hasGamma)
{
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 970f39ed02..2234ceeb53 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -39,19 +39,6 @@ out vec4 frag_color;
uniform float display_gamma;
uniform vec4 gamma;
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
-uniform vec4 ambient;
-uniform vec4 blue_horizon;
-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;
uniform mat3 env_mat;
uniform mat3 ssao_effect_mat;
@@ -84,12 +71,6 @@ VARYING vec3 vary_norm;
VARYING vec4 vertex_color;
#endif
-vec3 vary_PositionEye;
-vec3 vary_SunlitColor;
-vec3 vary_AmblitColor;
-vec3 vary_AdditiveColor;
-vec3 vary_AtmosAttenuation;
-
uniform mat4 inv_proj;
uniform vec2 screen_res;
@@ -107,6 +88,12 @@ vec3 linear_to_srgb(vec3 cl);
vec2 encode_normal (vec3 n);
vec3 decode_normal (vec2 enc);
+vec3 scaleFragSoftClip(vec3 l);
+vec3 atmosFragAmbient(vec3 light, vec3 sunlit);
+vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten);
+vec3 atmosFragAffectDirectionalLight(float light, vec3 sunlit);
+void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 atten, out vec3 additive);
+
vec3 calcDirectionalLight(vec3 n, vec3 l)
{
float a = max(dot(n,l),0.0);
@@ -174,191 +161,6 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc)
}
#endif
-vec3 getSunlitColor()
-{
- return vary_SunlitColor;
-}
-vec3 getAmblitColor()
-{
- return vary_AmblitColor;
-}
-vec3 getAdditiveColor()
-{
- return vary_AdditiveColor;
-}
-vec3 getAtmosAttenuation()
-{
- return vary_AtmosAttenuation;
-}
-
-void setPositionEye(vec3 v)
-{
- vary_PositionEye = v;
-}
-
-void setSunlitColor(vec3 v)
-{
- vary_SunlitColor = v;
-}
-
-void setAmblitColor(vec3 v)
-{
- vary_AmblitColor = v;
-}
-
-void setAdditiveColor(vec3 v)
-{
- vary_AdditiveColor = v;
-}
-
-void setAtmosAttenuation(vec3 v)
-{
- vary_AtmosAttenuation = v;
-}
-
-void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
-
- vec3 P = inPositionEye;
- setPositionEye(P);
-
- 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 = sunlight_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);
- temp2.y = 1. / 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
- setAtmosAttenuation(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;
-
- //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
- setAdditiveColor(
- 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
- setSunlitColor(vec3(sunlight * .5));
- setAmblitColor(vec3(tmpAmbient * .25));
- setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1));
-}
-
-vec3 atmosLighting(vec3 light)
-{
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor();
- return (2.0 * light);
-}
-
-vec3 atmosTransport(vec3 light) {
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor() * 2.0;
- return light;
-}
-vec3 atmosGetDiffuseSunlightColor()
-{
- return getSunlitColor();
-}
-
-vec3 scaleDownLight(vec3 light)
-{
- return (light / vec3(scene_light_strength, scene_light_strength, scene_light_strength));
-}
-
-vec3 scaleUpLight(vec3 light)
-{
- return (light * vec3(scene_light_strength, scene_light_strength, scene_light_strength));
-}
-
-vec3 atmosAmbient(vec3 light)
-{
- return getAmblitColor() + (light * vec3(0.5f, 0.5f, 0.5f));
-}
-
-vec3 atmosAffectDirectionalLight(float lightIntensity)
-{
- return getSunlitColor() * vec3(lightIntensity, lightIntensity, lightIntensity);
-}
-
-vec3 scaleSoftClip(vec3 light)
-{
- //soft clip effect:
- vec3 zeroes = vec3(0.0f, 0.0f, 0.0f);
- vec3 ones = vec3(1.0f, 1.0f, 1.0f);
-
- light = ones - clamp(light, zeroes, ones);
- light = ones - pow(light, gamma.xxx);
-
- return light;
-}
-
-vec3 fullbrightAtmosTransport(vec3 light) {
- float brightness = dot(light.rgb, vec3(0.33333));
-
- return mix(atmosTransport(light.rgb), light.rgb + getAdditiveColor().rgb, brightness * brightness);
-}
-
-vec3 fullbrightScaleSoftClip(vec3 light)
-{
- //soft clip effect:
- return light;
-}
void main()
{
@@ -475,7 +277,12 @@ void main()
vec3 norm = vary_norm;
- calcAtmospherics(pos.xyz, 1.0);
+ vec3 sunlit;
+ vec3 amblit;
+ vec3 additive;
+ vec3 atten;
+
+ calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
vec2 abnormal = encode_normal(norm.xyz);
norm.xyz = decode_normal(abnormal.xy);
@@ -490,7 +297,7 @@ void main()
vec4 color = vec4(0,0,0,0);
- color.rgb = atmosAmbient(color.rgb);
+ color.rgb = atmosFragAmbient(color.rgb, amblit);
color.a = final_alpha;
float ambient = abs(da);
@@ -499,13 +306,13 @@ void main()
ambient = (1.0-ambient);
color.rgb *= ambient;
- color.rgb += atmosAffectDirectionalLight(final_da);
+ color.rgb += atmosFragAffectDirectionalLight(final_da, sunlit);
color.rgb *= gamma_diff.rgb;
//color.rgb = mix(diff.rgb, color.rgb, final_alpha);
- color.rgb = atmosLighting(color.rgb);
- color.rgb = scaleSoftClip(color.rgb);
+ color.rgb = atmosFragLighting(color.rgb, additive, atten);
+ color.rgb = scaleFragSoftClip(color.rgb);
vec4 light = vec4(0,0,0,0);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index d14805eccf..a90e433622 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -40,6 +40,12 @@ vec4 applyWaterFogView(vec3 pos, vec4 color);
vec3 srgb_to_linear(vec3 cs);
vec3 linear_to_srgb(vec3 cl);
+vec3 atmosFragAmbient(vec3 l, vec3 ambient);
+vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
+vec3 scaleFragSoftClip(vec3 l);
+vec3 atmosFragAffectDirectionalLight(float intensity, vec3 sunlit);
+void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
+
#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)
#ifdef DEFINE_GL_FRAGCOLOR
@@ -88,19 +94,6 @@ uniform vec4 morphFactor;
uniform vec3 camPosLocal;
//uniform vec4 camPosWorld;
uniform vec4 gamma;
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
-uniform vec4 ambient;
-uniform vec4 blue_horizon;
-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;
uniform mat3 env_mat;
uniform mat3 ssao_effect_mat;
@@ -109,13 +102,6 @@ VARYING vec2 vary_fragcoord;
VARYING vec3 vary_position;
-vec3 vary_PositionEye;
-
-vec3 vary_SunlitColor;
-vec3 vary_AmblitColor;
-vec3 vary_AdditiveColor;
-vec3 vary_AtmosAttenuation;
-
uniform mat4 inv_proj;
uniform vec2 screen_res;
@@ -209,198 +195,6 @@ vec4 getPosition_d(vec2 pos_screen, float depth)
return pos;
}
-#ifndef WATER_FOG
-vec3 getPositionEye()
-{
- return vary_PositionEye;
-}
-#endif
-
-vec3 getSunlitColor()
-{
- return vary_SunlitColor;
-}
-vec3 getAmblitColor()
-{
- return vary_AmblitColor;
-}
-vec3 getAdditiveColor()
-{
- return vary_AdditiveColor;
-}
-vec3 getAtmosAttenuation()
-{
- return vary_AtmosAttenuation;
-}
-
-void setPositionEye(vec3 v)
-{
- vary_PositionEye = v;
-}
-
-void setSunlitColor(vec3 v)
-{
- vary_SunlitColor = v;
-}
-
-void setAmblitColor(vec3 v)
-{
- vary_AmblitColor = v;
-}
-
-void setAdditiveColor(vec3 v)
-{
- vary_AdditiveColor = v;
-}
-
-void setAtmosAttenuation(vec3 v)
-{
- vary_AtmosAttenuation = v;
-}
-
-void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
-
- vec3 P = inPositionEye;
- setPositionEye(P);
-
- 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 = sunlight_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);
- temp2.y = 1. / 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
- setAtmosAttenuation(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;
-
- //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
- setAdditiveColor(
- 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
- setSunlitColor(vec3(sunlight * .5));
- setAmblitColor(vec3(tmpAmbient * .25));
- setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1));
-}
-
-vec3 atmosLighting(vec3 light)
-{
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor();
- return (2.0 * light);
-}
-
-vec3 atmosTransport(vec3 light) {
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor() * 2.0;
- return light;
-}
-vec3 atmosGetDiffuseSunlightColor()
-{
- return getSunlitColor();
-}
-
-vec3 scaleDownLight(vec3 light)
-{
- return (light / vec3(scene_light_strength, scene_light_strength, scene_light_strength));
-}
-
-vec3 scaleUpLight(vec3 light)
-{
- return (light * vec3(scene_light_strength, scene_light_strength, scene_light_strength));
-}
-
-vec3 atmosAmbient(vec3 light)
-{
- return getAmblitColor() + (light * vec3(0.5f, 0.5f, 0.5f));
-}
-
-vec3 atmosAffectDirectionalLight(float lightIntensity)
-{
- return getSunlitColor() * vec3(lightIntensity, lightIntensity, lightIntensity);
-}
-
-vec3 scaleSoftClip(vec3 light)
-{
- //soft clip effect:
- vec3 zeroes = vec3(0.0f, 0.0f, 0.0f);
- vec3 ones = vec3(1.0f, 1.0f, 1.0f);
-
- light = ones - clamp(light, zeroes, ones);
- light = ones - pow(light, gamma.xxx);
-
- return light;
-}
-
-vec3 fullbrightAtmosTransport(vec3 light) {
- float brightness = dot(light.rgb, vec3(0.33333));
-
- return mix(atmosTransport(light.rgb), light.rgb + getAdditiveColor().rgb, brightness * brightness);
-}
-
-vec3 fullbrightScaleSoftClip(vec3 light)
-{
- //soft clip effect:
- return light;
-}
#else
#ifdef DEFINE_GL_FRAGCOLOR
@@ -585,7 +379,12 @@ void main()
vec3 col = vec3(0.0f,0.0f,0.0f);
float bloom = 0.0;
- calcAtmospherics(pos.xyz, 1.0);
+ vec3 sunlit;
+ vec3 amblit;
+ vec3 additive;
+ vec3 atten;
+
+ calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
@@ -598,7 +397,7 @@ void main()
final_da = min(final_da, 1.0f);
final_da = pow(final_da, 1.0/1.3);
- col.rgb = atmosAmbient(col);
+ col.rgb = atmosFragAmbient(col, amblit);
float ambient = min(abs(da), 1.0);
ambient *= 0.5;
@@ -607,7 +406,7 @@ void main()
col.rgb *= ambient;
- col.rgb = col.rgb + atmosAffectDirectionalLight(final_da);
+ col.rgb = col.rgb + atmosFragAffectDirectionalLight(final_da, sunlit);
col.rgb *= gamma_diff.rgb;
@@ -620,7 +419,7 @@ void main()
//
float sa = dot(refnormpersp, sun_dir.xyz);
- vec3 dumbshiny = vary_SunlitColor*shadow*(texture2D(lightFunc, vec2(sa, spec.a)).r);
+ vec3 dumbshiny = sunlit*shadow*(texture2D(lightFunc, vec2(sa, spec.a)).r);
// add the two types of shiny together
vec3 spec_contrib = dumbshiny * spec.rgb;
@@ -654,8 +453,8 @@ void main()
//col = mix(atmosLighting(col), fullbrightAtmosTransport(col), diffuse.a);
//col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a);
- col = atmosLighting(col);
- col = scaleSoftClip(col);
+ col = atmosFragLighting(col, additive, atten);
+ col = scaleFragSoftClip(col);
//convert to linear space before adding local lights
col = srgb_to_linear(col);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 5983d74cbc..fbfd43a4da 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -51,33 +51,13 @@ uniform vec4 morphFactor;
uniform vec3 camPosLocal;
//uniform vec4 camPosWorld;
uniform vec4 gamma;
-uniform vec4 lightnorm;
-uniform vec4 sunlight_color;
-uniform vec4 ambient;
-uniform vec4 blue_horizon;
-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 global_gamma;
-uniform float scene_light_strength;
uniform mat3 env_mat;
uniform mat3 ssao_effect_mat;
uniform vec3 sun_dir;
VARYING vec2 vary_fragcoord;
-vec3 vary_PositionEye;
-
-vec3 vary_SunlitColor;
-vec3 vary_AmblitColor;
-vec3 vary_AdditiveColor;
-vec3 vary_AtmosAttenuation;
-
uniform mat4 inv_proj;
uniform vec2 screen_res;
@@ -89,6 +69,15 @@ vec3 srgb_to_linear(vec3 cs);
vec3 linear_to_srgb(vec3 cl);
vec3 decode_normal (vec2 enc);
+vec3 atmosFragAmbient(vec3 l, vec3 ambient);
+vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
+vec3 scaleFragSoftClip(vec3 l);
+vec3 atmosFragAffectDirectionalLight(float intensity, vec3 sunlit);
+vec3 fullbrightFragAtmosTransport(vec3 l, vec3 additive, vec3 atten);
+vec3 fullbrightScaleSoftClipFrag(vec3 l, vec3 atten);
+
+void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
+
vec4 getPosition_d(vec2 pos_screen, float depth)
{
vec2 sc = pos_screen.xy*2.0;
@@ -107,196 +96,6 @@ vec4 getPosition(vec2 pos_screen)
return getPosition_d(pos_screen, depth);
}
-vec3 getPositionEye()
-{
- return vary_PositionEye;
-}
-vec3 getSunlitColor()
-{
- return vary_SunlitColor;
-}
-vec3 getAmblitColor()
-{
- return vary_AmblitColor;
-}
-vec3 getAdditiveColor()
-{
- return vary_AdditiveColor;
-}
-vec3 getAtmosAttenuation()
-{
- return vary_AtmosAttenuation;
-}
-
-void setPositionEye(vec3 v)
-{
- vary_PositionEye = v;
-}
-
-void setSunlitColor(vec3 v)
-{
- vary_SunlitColor = v;
-}
-
-void setAmblitColor(vec3 v)
-{
- vary_AmblitColor = v;
-}
-
-void setAdditiveColor(vec3 v)
-{
- vary_AdditiveColor = v;
-}
-
-void setAtmosAttenuation(vec3 v)
-{
- vary_AtmosAttenuation = v;
-}
-
-void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
-
- vec3 P = inPositionEye;
- setPositionEye(P);
-
- 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 = sunlight_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);
- temp2.y = 1. / 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
- setAtmosAttenuation(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;
-
- //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
- setAdditiveColor(
- 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
- setSunlitColor(vec3(sunlight * .5));
- setAmblitColor(vec3(tmpAmbient * .25));
- setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1));
-}
-
-vec3 atmosLighting(vec3 light)
-{
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor();
- return (2.0 * light);
-}
-
-vec3 atmosTransport(vec3 light) {
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor() * 2.0;
- return light;
-}
-
-vec3 fullbrightAtmosTransport(vec3 light) {
- float brightness = dot(light.rgb, vec3(0.33333));
-
- return mix(atmosTransport(light.rgb), light.rgb + getAdditiveColor().rgb, brightness * brightness);
-}
-
-
-
-vec3 atmosGetDiffuseSunlightColor()
-{
- return getSunlitColor();
-}
-
-vec3 scaleDownLight(vec3 light)
-{
- return (light / scene_light_strength );
-}
-
-vec3 scaleUpLight(vec3 light)
-{
- return (light * scene_light_strength);
-}
-
-vec3 atmosAmbient(vec3 light)
-{
- return getAmblitColor() + light / 2.0;
-}
-
-vec3 atmosAffectDirectionalLight(float lightIntensity)
-{
- return getSunlitColor() * lightIntensity;
-}
-
-vec3 scaleSoftClip(vec3 light)
-{
- //soft clip effect:
- light = 1. - clamp(light, vec3(0.), vec3(1.));
- light = 1. - pow(light, gamma.xxx);
-
- return light;
-}
-
-
-vec3 fullbrightScaleSoftClip(vec3 light)
-{
- //soft clip effect:
- return light;
-}
void main()
{
@@ -324,9 +123,13 @@ void main()
vec3 col;
float bloom = 0.0;
{
- calcAtmospherics(pos.xyz, 1.0);
+ vec3 sunlit;
+ vec3 amblit;
+ vec3 additive;
+ vec3 atten;
+ calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
- col = atmosAmbient(vec3(0));
+ col = atmosFragAmbient(vec3(0), amblit);
float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
ambient *= 0.5;
ambient *= ambient;
@@ -334,7 +137,7 @@ void main()
col.rgb *= ambient;
- col += atmosAffectDirectionalLight(final_da);
+ col += atmosFragAffectDirectionalLight(final_da, sunlit);
col *= diffuse.rgb;
@@ -346,7 +149,7 @@ void main()
//
float sa = dot(refnormpersp, sun_dir.xyz);
- vec3 dumbshiny = vary_SunlitColor*(texture2D(lightFunc, vec2(sa, spec.a)).r);
+ vec3 dumbshiny = sunlit*(texture2D(lightFunc, vec2(sa, spec.a)).r);
// add the two types of shiny together
vec3 spec_contrib = dumbshiny * spec.rgb;
@@ -370,8 +173,8 @@ void main()
if (norm.w < 0.5)
{
- col = mix(atmosLighting(col), fullbrightAtmosTransport(col), diffuse.a);
- col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a);
+ col = mix(atmosFragLighting(col, additive, atten), fullbrightFragAtmosTransport(col, atten, additive), diffuse.a);
+ col = mix(scaleFragSoftClip(col), fullbrightScaleSoftClipFrag(col, atten), diffuse.a);
}
#ifdef WATER_FOG
diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl
index aacc503e13..584bd568c5 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl
@@ -31,3 +31,8 @@ vec3 atmosLighting(vec3 light)
return light;
}
+
+void calcFragAtmospherics(vec3 inPositionEye, float ambFactor) {
+ /* stub function for fallback compatibility on class1 hardware */
+}
+
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index fc69f6a69c..c20092bfe0 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -70,13 +70,6 @@ uniform mat3 ssao_effect_mat;
uniform vec3 sun_dir;
VARYING vec2 vary_fragcoord;
-vec3 vary_PositionEye;
-
-vec3 vary_SunlitColor;
-vec3 vary_AmblitColor;
-vec3 vary_AdditiveColor;
-vec3 vary_AtmosAttenuation;
-
uniform mat4 inv_proj;
uniform vec2 screen_res;
@@ -84,6 +77,12 @@ vec3 srgb_to_linear(vec3 cs);
vec3 linear_to_srgb(vec3 cl);
vec3 decode_normal (vec2 enc);
+vec3 atmosFragAmbient(vec3 l, vec3 ambient);
+vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
+vec3 scaleFragSoftClip(vec3 l);
+vec3 atmosFragAffectDirectionalLight(float intensity, vec3 sunlit);
+void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
+
vec4 getPosition_d(vec2 pos_screen, float depth)
{
vec2 sc = pos_screen.xy*2.0;
@@ -102,243 +101,11 @@ vec4 getPosition(vec2 pos_screen)
return getPosition_d(pos_screen, depth);
}
-vec3 getPositionEye()
-{
- return vary_PositionEye;
-}
-vec3 getSunlitColor()
-{
- return vary_SunlitColor;
-}
-vec3 getAmblitColor()
-{
- return vary_AmblitColor;
-}
-vec3 getAdditiveColor()
-{
- return vary_AdditiveColor;
-}
-vec3 getAtmosAttenuation()
-{
- return vary_AtmosAttenuation;
-}
-
-void setPositionEye(vec3 v)
-{
- vary_PositionEye = v;
-}
-
-void setSunlitColor(vec3 v)
-{
- vary_SunlitColor = v;
-}
-
-void setAmblitColor(vec3 v)
-{
- vary_AmblitColor = v;
-}
-
-void setAdditiveColor(vec3 v)
-{
- vary_AdditiveColor = v;
-}
-
-void setAtmosAttenuation(vec3 v)
-{
- vary_AtmosAttenuation = v;
-}
-
-void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
-
- vec3 P = inPositionEye;
- setPositionEye(P);
-
- 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 = sunlight_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);
- temp2.y = 1. / 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
- setAtmosAttenuation(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;
-
- //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
- setAdditiveColor(
- 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
- setSunlitColor(vec3(sunlight * .5));
- setAmblitColor(vec3(tmpAmbient * .25));
- setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1));
-}
#ifdef WATER_FOG
-uniform vec4 waterPlane;
-uniform vec4 waterFogColor;
-uniform float waterFogDensity;
-uniform float waterFogKS;
-
-vec4 applyWaterFogDeferred(vec3 pos, vec4 color)
-{
- //normalize view vector
- vec3 view = normalize(pos);
- float es = -(dot(view, waterPlane.xyz));
-
- //find intersection point with water plane and eye vector
-
- //get eye depth
- float e0 = max(-waterPlane.w, 0.0);
-
- vec3 int_v = waterPlane.w > 0.0 ? view * waterPlane.w/es : vec3(0.0, 0.0, 0.0);
-
- //get object depth
- float depth = length(pos - int_v);
-
- //get "thickness" of water
- float l = max(depth, 0.1);
-
- float kd = waterFogDensity;
- float ks = waterFogKS;
- vec4 kc = waterFogColor;
-
- float F = 0.98;
-
- float t1 = -kd * pow(F, ks * e0);
- float t2 = kd + ks * es;
- float t3 = pow(F, t2*l) - 1.0;
-
- float L = min(t1/t2*t3, 1.0);
-
- float D = pow(0.98, l*kd);
-
- color.rgb = color.rgb * D + kc.rgb * L;
- color.a = kc.a + color.a;
-
- return color;
-}
+vec4 applyWaterFogDeferred(vec3 pos, vec4 color);
#endif
-vec3 atmosLighting(vec3 light)
-{
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor();
- return (2.0 * light);
-}
-
-vec3 atmosTransport(vec3 light) {
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor() * 2.0;
- return light;
-}
-
-vec3 fullbrightAtmosTransport(vec3 light) {
- float brightness = dot(light.rgb, vec3(0.33333));
-
- return mix(atmosTransport(light.rgb), light.rgb + getAdditiveColor().rgb, brightness * brightness);
-}
-
-
-
-vec3 atmosGetDiffuseSunlightColor()
-{
- return getSunlitColor();
-}
-
-vec3 scaleDownLight(vec3 light)
-{
- return (light / scene_light_strength );
-}
-
-vec3 scaleUpLight(vec3 light)
-{
- return (light * scene_light_strength);
-}
-
-vec3 atmosAmbient(vec3 light)
-{
- return getAmblitColor() + light / 2.0;
-}
-
-vec3 atmosAffectDirectionalLight(float lightIntensity)
-{
- return getSunlitColor() * lightIntensity;
-}
-
-vec3 scaleSoftClip(vec3 light)
-{
- //soft clip effect:
- light = 1. - clamp(light, vec3(0.), vec3(1.));
- light = 1. - pow(light, gamma.xxx);
-
- return light;
-}
-
-
-vec3 fullbrightScaleSoftClip(vec3 light)
-{
- //soft clip effect:
- return light;
-}
-
void main()
{
vec2 tc = vary_fragcoord.xy;
@@ -372,8 +139,13 @@ void main()
float ambocc = scol_ambocc.g;
+
+ vec3 sunlit;
+ vec3 amblit;
+ vec3 additive;
+ vec3 atten;
- calcAtmospherics(pos.xyz, ambocc);
+ calcFragAtmospherics(pos.xyz, ambocc, sunlit, amblit, additive, atten);
col = atmosAmbient(vec3(0));
float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
@@ -383,7 +155,7 @@ void main()
col.rgb *= ambient;
- col += atmosAffectDirectionalLight(max(min(da, scol), 0.0));
+ col += atmosFragAffectDirectionalLight(max(min(da, scol), 0.0), sunlit);
col *= diffuse.rgb;
@@ -419,8 +191,8 @@ void main()
if (norm.w < 0.5)
{
- col = mix(atmosLighting(col), fullbrightAtmosTransport(col), diffuse.a);
- col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a);
+ col = mix(atmosFragLighting(col, additive, atten), fullbrightFragAtmosTransport(col, atten, additive), diffuse.a);
+ col = mix(scaleFragSoftClip(col), fullbrightFragScaleSoftClip(col), diffuse.a);
}
#ifdef WATER_FOG
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
index fea3cbf69b..fee1a7f311 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsF.glsl
@@ -22,23 +22,127 @@
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
-
-
-
-//////////////////////////////////////////////////////////
-// The fragment shader for the terrain atmospherics
-//////////////////////////////////////////////////////////
vec3 getAdditiveColor();
vec3 getAtmosAttenuation();
uniform sampler2D cloudMap;
+uniform vec4 gamma;
uniform vec4 cloud_pos_density1;
+uniform vec4 lightnorm;
+uniform vec4 sunlight_color;
+uniform vec4 ambient;
+uniform vec4 blue_horizon;
+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;
+uniform mat3 ssao_effect_mat;
-vec3 atmosLighting(vec3 light)
+vec3 scaleFragSoftClip(vec3 light)
+{
+ //soft clip effect:
+ light = 1. - clamp(light, vec3(0.), vec3(1.));
+ light = 1. - pow(light, gamma.xxx);
+ return light;
+}
+
+vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten)
{
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor();
+ light *= atten.r;
+ light += additive;
return (2.0 * light);
}
+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;
+
+ 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 = sunlight_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);
+ temp2.y = 1. / 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;
+
+ //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 * .5);
+ amblit = vec3(tmpAmbient * .25);
+ additive *= vec3(1.0 - temp1);
+}
+
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersF.glsl
new file mode 100644
index 0000000000..3582759e62
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsHelpersF.glsl
@@ -0,0 +1,49 @@
+/**
+ * @file atmosphericsHelpersV.glsl
+ *
+ * $LicenseInfo:firstyear=2005&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2005, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+// Output variables
+
+uniform float scene_light_strength;
+
+vec3 atmosFragAmbient(vec3 light, vec3 amblit)
+{
+ return amblit + light / 2.0;
+}
+
+vec3 atmosFragAffectDirectionalLight(float lightIntensity, vec3 sunlit)
+{
+ return sunlit * lightIntensity;
+}
+
+vec3 scaleDownLightFrag(vec3 light)
+{
+ return (light / scene_light_strength );
+}
+
+vec3 scaleUpLightFrag(vec3 light)
+{
+ return (light * scene_light_strength);
+}
+
diff --git a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
index 478373d729..2db633cd01 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/gammaF.glsl
@@ -38,7 +38,12 @@ vec3 scaleSoftClip(vec3 light) {
return light;
}
+vec3 fullbrightScaleSoftClipFrag(vec3 light, vec3 atten)
+{
+ return mix(scaleSoftClip(light.rgb), light.rgb, atten);
+}
+
vec3 fullbrightScaleSoftClip(vec3 light) {
- return mix(scaleSoftClip(light.rgb), light.rgb, getAtmosAttenuation());
+ return fullbrightScaleSoftClipFrag(light.rgb, getAtmosAttenuation());
}
diff --git a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl
index 8a8e4cb0f6..82e1d7fe35 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl
@@ -33,21 +33,30 @@ vec3 getAtmosAttenuation();
uniform sampler2D cloudMap;
uniform vec4 cloud_pos_density1;
-vec3 atmosTransport(vec3 light) {
- light *= getAtmosAttenuation().r;
- light += getAdditiveColor() * 2.0;
+vec3 atmosFragTransport(vec3 light, vec3 atten, vec3 additive) {
+ light *= atten.r;
+ light += additive * 2.0;
return light;
}
-vec3 fullbrightAtmosTransport(vec3 light) {
+vec3 fullbrightFragAtmosTransport(vec3 light, vec3 atten, vec3 additive) {
float brightness = dot(light.rgb, vec3(0.33333));
-
- return mix(atmosTransport(light.rgb), light.rgb + getAdditiveColor().rgb, brightness * brightness);
+ return mix(atmosFragTransport(light.rgb, atten, additive), light.rgb + additive.rgb, brightness * brightness);
}
-vec3 fullbrightShinyAtmosTransport(vec3 light) {
+vec3 fullbrightFragShinyAtmosTransport(vec3 light, vec3 atten, vec3 additive) {
float brightness = dot(light.rgb, vec3(0.33333));
+ return mix(atmosFragTransport(light.rgb, atten, additive), (light.rgb + additive.rgb) * (2.0 - brightness), brightness * brightness);
+}
- return mix(atmosTransport(light.rgb), (light.rgb + getAdditiveColor().rgb) * (2.0 - brightness), brightness * brightness);
+vec3 atmosTransport(vec3 light) {
+ return atmosFragTransport(light, getAtmosAttenuation(), getAdditiveColor());
}
+vec3 fullbrightAtmosTransport(vec3 light) {
+ return fullbrightFragAtmosTransport(light, getAtmosAttenuation(), getAdditiveColor());
+}
+
+vec3 fullbrightShinyAtmosTransport(vec3 light) {
+ return fullbrightFragShinyAtmosTransport(light, getAtmosAttenuation(), getAdditiveColor());
+}
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index abb0f78c98..54f48baa97 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -941,9 +941,10 @@ BOOL LLViewerShaderMgr::loadBasicShaders()
ch = llmax(LLGLSLShader::sIndexedTextureChannels-1, 1);
}
- std::vector<S32> index_channels;
+ std::vector<S32> index_channels;
index_channels.push_back(-1); shaders.push_back( make_pair( "windlight/atmosphericsVarsF.glsl", mVertexShaderLevel[SHADER_WINDLIGHT] ) );
index_channels.push_back(-1); shaders.push_back( make_pair( "windlight/atmosphericsVarsWaterF.glsl", mVertexShaderLevel[SHADER_WINDLIGHT] ) );
+ index_channels.push_back(-1); shaders.push_back( make_pair( "windlight/atmosphericsHelpersF.glsl", mVertexShaderLevel[SHADER_WINDLIGHT] ) );
index_channels.push_back(-1); shaders.push_back( make_pair( "windlight/gammaF.glsl", mVertexShaderLevel[SHADER_WINDLIGHT]) );
index_channels.push_back(-1); shaders.push_back( make_pair( "windlight/atmosphericsF.glsl", mVertexShaderLevel[SHADER_WINDLIGHT] ) );
index_channels.push_back(-1); shaders.push_back( make_pair( "windlight/transportF.glsl", mVertexShaderLevel[SHADER_WINDLIGHT] ) );
@@ -1316,6 +1317,9 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
gDeferredSkinnedAlphaProgram.mFeatures.hasSrgb = true;
gDeferredSkinnedAlphaProgram.mFeatures.decodesNormal = true;
gDeferredSkinnedAlphaProgram.mFeatures.encodesNormal = true;
+ gDeferredSkinnedAlphaProgram.mFeatures.calculatesAtmospherics = true;
+ gDeferredSkinnedAlphaProgram.mFeatures.hasAtmospherics = true;
+
gDeferredSkinnedAlphaProgram.mShaderFiles.clear();
gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -1382,6 +1386,8 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
gDeferredMaterialProgram[i].mFeatures.hasSrgb = true;
gDeferredMaterialProgram[i].mFeatures.decodesNormal = true;
gDeferredMaterialProgram[i].mFeatures.encodesNormal = true;
+ gDeferredMaterialProgram[i].mFeatures.calculatesAtmospherics = true;
+ gDeferredMaterialProgram[i].mFeatures.hasAtmospherics = true;
if (has_skin)
{
@@ -1415,6 +1421,8 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
gDeferredMaterialWaterProgram[i].mFeatures.hasSrgb = true;
gDeferredMaterialWaterProgram[i].mFeatures.decodesNormal = true;
gDeferredMaterialWaterProgram[i].mFeatures.encodesNormal = true;
+ gDeferredMaterialWaterProgram[i].mFeatures.calculatesAtmospherics = true;
+ gDeferredMaterialWaterProgram[i].mFeatures.hasAtmospherics = true;
if (has_skin)
{
@@ -1582,6 +1590,8 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
gDeferredAlphaProgram.mFeatures.hasSrgb = true;
gDeferredAlphaProgram.mFeatures.decodesNormal = true;
gDeferredAlphaProgram.mFeatures.encodesNormal = true;
+ gDeferredAlphaProgram.mFeatures.calculatesAtmospherics = true;
+ gDeferredAlphaProgram.mFeatures.hasAtmospherics = true;
if (mVertexShaderLevel[SHADER_DEFERRED] < 1)
{
@@ -1655,6 +1665,8 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
gDeferredAlphaWaterProgram.mFeatures.hasSrgb = true;
gDeferredAlphaWaterProgram.mFeatures.decodesNormal = true;
gDeferredAlphaWaterProgram.mFeatures.encodesNormal = true;
+ gDeferredAlphaWaterProgram.mFeatures.calculatesAtmospherics = true;
+ gDeferredAlphaWaterProgram.mFeatures.hasAtmospherics = true;
if (mVertexShaderLevel[SHADER_DEFERRED] < 1)
{
@@ -1861,6 +1873,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
gDeferredSoftenProgram.mShaderFiles.clear();
gDeferredSoftenProgram.mFeatures.hasSrgb = true;
gDeferredSoftenProgram.mFeatures.decodesNormal = true;
+ gDeferredSoftenProgram.mFeatures.calculatesAtmospherics = true;
+ gDeferredSoftenProgram.mFeatures.hasAtmospherics = true;
+ gDeferredSoftenProgram.mFeatures.hasTransport = true;
+ gDeferredSoftenProgram.mFeatures.hasGamma = true;
+
gDeferredSoftenProgram.mShaderFiles.push_back(make_pair("deferred/softenLightV.glsl", GL_VERTEX_SHADER_ARB));
gDeferredSoftenProgram.mShaderFiles.push_back(make_pair("deferred/softenLightF.glsl", GL_FRAGMENT_SHADER_ARB));
@@ -1887,6 +1904,10 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
gDeferredSoftenWaterProgram.mFeatures.hasWaterFog = true;
gDeferredSoftenWaterProgram.mFeatures.hasSrgb = true;
gDeferredSoftenWaterProgram.mFeatures.decodesNormal = true;
+ gDeferredSoftenWaterProgram.mFeatures.calculatesAtmospherics = true;
+ gDeferredSoftenWaterProgram.mFeatures.hasAtmospherics = true;
+ gDeferredSoftenWaterProgram.mFeatures.hasTransport = true;
+ gDeferredSoftenWaterProgram.mFeatures.hasGamma = true;
if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
{ //if using SSAO, take screen space light map into account as if shadows are enabled
@@ -1988,6 +2009,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
gDeferredAvatarAlphaProgram.mFeatures.hasSrgb = true;
gDeferredAvatarAlphaProgram.mFeatures.encodesNormal = true;
gDeferredAvatarAlphaProgram.mFeatures.decodesNormal = true;
+ gDeferredAvatarAlphaProgram.mFeatures.calculatesAtmospherics = true;
+ gDeferredAvatarAlphaProgram.mFeatures.hasAtmospherics = true;
+ gDeferredAvatarAlphaProgram.mFeatures.hasTransport = true;
+ gDeferredAvatarAlphaProgram.mFeatures.hasGamma = true;
+
gDeferredAvatarAlphaProgram.mShaderFiles.clear();
gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));