From c7479098f5a60de0e14e18d427067338f0f6c6a6 Mon Sep 17 00:00:00 2001
From: Dave Parks <davep@lindenlab.com>
Date: Thu, 13 Jun 2013 14:33:59 -0500
Subject: NORSPEC-261 Better blending of environment map.
---
.../shaders/class1/deferred/softenLightF.glsl | 790 ++++++++++-----------
.../shaders/class2/deferred/softenLightF.glsl | 80 +--
2 files changed, 433 insertions(+), 437 deletions(-)
(limited to 'indra')
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index f7920f7595..4cae08b0b9 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -1,396 +1,394 @@
-/**
- * @file softenLightF.glsl
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, 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
- * $/LicenseInfo$
- */
-
-#extension GL_ARB_texture_rectangle : enable
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-uniform sampler2DRect diffuseRect;
-uniform sampler2DRect specularRect;
-uniform sampler2DRect positionMap;
-uniform sampler2DRect normalMap;
-uniform sampler2DRect lightMap;
-uniform sampler2DRect depthMap;
-uniform samplerCube environmentMap;
-uniform sampler2D lightFunc;
-
-uniform float blur_size;
-uniform float blur_fidelity;
-
-// Inputs
-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;
-
-#ifdef SINGLE_FP_ONLY
-vec2 encode_normal(vec3 n)
-{
- vec2 sn;
- sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f);
- return sn;
-}
-
-vec3 decode_normal (vec2 enc)
-{
- vec3 n;
- n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f);
- n.z = sqrt(1.0f - dot(n.xy,n.xy));
- return n;
-}
-#else
-vec3 decode_normal (vec2 enc)
-{
- vec2 fenc = enc*4-2;
- float f = dot(fenc,fenc);
- float g = sqrt(1-f/4);
- vec3 n;
- n.xy = fenc*g;
- n.z = 1-f/2;
- return n;
-}
-#endif
-
-vec4 getPosition_d(vec2 pos_screen, float depth)
-{
- vec2 sc = pos_screen.xy*2.0;
- sc /= screen_res;
- sc -= vec2(1.0,1.0);
- vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
- vec4 pos = inv_proj * ndc;
- pos /= pos.w;
- pos.w = 1.0;
- return pos;
-}
-
-vec4 getPosition(vec2 pos_screen)
-{ //get position in screen space (world units) given window coordinate and depth map
- float depth = texture2DRect(depthMap, pos_screen.xy).a;
- 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(pow(vec3(sunlight * .5), vec3(global_gamma)) * global_gamma);
- setAmblitColor(pow(vec3(tmpAmbient * .25), vec3(global_gamma)) * global_gamma);
- setAdditiveColor(pow(getAdditiveColor() * vec3(1.0 - temp1), vec3(global_gamma)) * global_gamma);
-}
-
-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;
- float depth = texture2DRect(depthMap, tc.xy).r;
- vec3 pos = getPosition_d(tc, depth).xyz;
- vec4 norm = texture2DRect(normalMap, tc);
- float envIntensity = norm.z;
- norm.xyz = decode_normal(norm.xy); // unpack norm
-
- float da = max(dot(norm.xyz, sun_dir.xyz), 0.0);
-
- vec4 diffuse = texture2DRect(diffuseRect, tc);
- vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
- vec3 col;
- float bloom = 0.0;
- {
- calcAtmospherics(pos.xyz, 1.0);
-
- col = atmosAmbient(vec3(0));
- float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
- ambient *= 0.5;
- ambient *= ambient;
- ambient = (1.0-ambient);
-
- col.rgb *= ambient;
-
- col += atmosAffectDirectionalLight(max(min(da, 1.0) * 2.6, 0.0));
-
- col *= diffuse.rgb;
-
- vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
-
- if (spec.a > 0.0) // specular reflection
- {
- // the old infinite-sky shiny reflection
- //
-
- float sa = dot(refnormpersp, sun_dir.xyz);
- vec3 dumbshiny = vary_SunlitColor*(texture2D(lightFunc, vec2(sa, spec.a)).r);
-
- // add the two types of shiny together
- vec3 spec_contrib = dumbshiny * spec.rgb;
- bloom = dot(spec_contrib, spec_contrib) / 6;
- col += spec_contrib;
- }
-
-
- col = mix(col.rgb, pow(diffuse.rgb, vec3(1.0/2.2)), diffuse.a);
-
-
- if (envIntensity > 0.0)
- { //add environmentmap
- vec3 env_vec = env_mat * refnormpersp;
-
- float exponent = mix(2.2, 1.0, diffuse.a);
- vec3 refcol = pow(textureCube(environmentMap, env_vec).rgb, vec3(exponent))*exponent;
-
- col = mix(col.rgb, refcol,
- envIntensity);
-
- }
-
- float exponent = mix(1.0, 2.2, diffuse.a);
- col = pow(col, vec3(exponent));
-
- if (norm.w < 0.5)
- {
- col = mix(atmosLighting(col), fullbrightAtmosTransport(col), diffuse.a);
- col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a);
- }
-
- //col = vec3(1,0,1);
- //col.g = envIntensity;
- }
-
- frag_color.rgb = col;
-
- frag_color.a = bloom;
-}
+/**
+ * @file softenLightF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, 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
+ * $/LicenseInfo$
+ */
+
+#extension GL_ARB_texture_rectangle : enable
+
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+
+uniform sampler2DRect diffuseRect;
+uniform sampler2DRect specularRect;
+uniform sampler2DRect positionMap;
+uniform sampler2DRect normalMap;
+uniform sampler2DRect lightMap;
+uniform sampler2DRect depthMap;
+uniform samplerCube environmentMap;
+uniform sampler2D lightFunc;
+
+uniform float blur_size;
+uniform float blur_fidelity;
+
+// Inputs
+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;
+
+#ifdef SINGLE_FP_ONLY
+vec2 encode_normal(vec3 n)
+{
+ vec2 sn;
+ sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f);
+ return sn;
+}
+
+vec3 decode_normal (vec2 enc)
+{
+ vec3 n;
+ n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f);
+ n.z = sqrt(1.0f - dot(n.xy,n.xy));
+ return n;
+}
+#else
+vec3 decode_normal (vec2 enc)
+{
+ vec2 fenc = enc*4-2;
+ float f = dot(fenc,fenc);
+ float g = sqrt(1-f/4);
+ vec3 n;
+ n.xy = fenc*g;
+ n.z = 1-f/2;
+ return n;
+}
+#endif
+
+vec4 getPosition_d(vec2 pos_screen, float depth)
+{
+ vec2 sc = pos_screen.xy*2.0;
+ sc /= screen_res;
+ sc -= vec2(1.0,1.0);
+ vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
+ vec4 pos = inv_proj * ndc;
+ pos /= pos.w;
+ pos.w = 1.0;
+ return pos;
+}
+
+vec4 getPosition(vec2 pos_screen)
+{ //get position in screen space (world units) given window coordinate and depth map
+ float depth = texture2DRect(depthMap, pos_screen.xy).a;
+ 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(pow(vec3(sunlight * .5), vec3(global_gamma)) * global_gamma);
+ setAmblitColor(pow(vec3(tmpAmbient * .25), vec3(global_gamma)) * global_gamma);
+ setAdditiveColor(pow(getAdditiveColor() * vec3(1.0 - temp1), vec3(global_gamma)) * global_gamma);
+}
+
+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;
+ float depth = texture2DRect(depthMap, tc.xy).r;
+ vec3 pos = getPosition_d(tc, depth).xyz;
+ vec4 norm = texture2DRect(normalMap, tc);
+ float envIntensity = norm.z;
+ norm.xyz = decode_normal(norm.xy); // unpack norm
+
+ float da = max(dot(norm.xyz, sun_dir.xyz), 0.0);
+
+ vec4 diffuse = texture2DRect(diffuseRect, tc);
+
+ vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
+ vec3 col;
+ float bloom = 0.0;
+ {
+ calcAtmospherics(pos.xyz, 1.0);
+
+ col = atmosAmbient(vec3(0));
+ float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
+ ambient *= 0.5;
+ ambient *= ambient;
+ ambient = (1.0-ambient);
+
+ //col.rgb *= ambient;
+
+ col += atmosAffectDirectionalLight(max(min(da, 1.0) * 2.8, 0.0));
+
+ col *= diffuse.rgb;
+
+ vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
+
+ if (spec.a > 0.0) // specular reflection
+ {
+ // the old infinite-sky shiny reflection
+ //
+
+ float sa = dot(refnormpersp, sun_dir.xyz);
+ vec3 dumbshiny = vary_SunlitColor*(texture2D(lightFunc, vec2(sa, spec.a)).r);
+
+ // add the two types of shiny together
+ vec3 spec_contrib = dumbshiny * spec.rgb;
+ bloom = dot(spec_contrib, spec_contrib) / 6;
+ col += spec_contrib;
+ }
+
+
+ col = mix(col.rgb, diffuse.rgb, diffuse.a);
+
+ if (envIntensity > 0.0)
+ { //add environmentmap
+ vec3 env_vec = env_mat * refnormpersp;
+
+
+ vec3 refcol = textureCube(environmentMap, env_vec).rgb;
+
+ col = mix(pow(col.rgb, vec3(1.0/2.2)), refcol,
+ envIntensity);
+
+ col = pow(col, vec3(2.2));
+ }
+
+ if (norm.w < 0.5)
+ {
+ col = mix(atmosLighting(col), fullbrightAtmosTransport(col), diffuse.a);
+ col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a);
+ }
+
+ //col = vec3(1,0,1);
+ //col.g = envIntensity;
+ }
+
+ frag_color.rgb = col;
+
+ frag_color.a = bloom;
+}
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 520b3bbd47..eb83fab6b5 100755
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -78,38 +78,38 @@ vec3 vary_AtmosAttenuation;
uniform mat4 inv_proj;
uniform vec2 screen_res;
-#ifdef SINGLE_FP_ONLY
-vec2 encode_normal(vec3 n)
-{
- vec2 sn;
- sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f);
- return sn;
-}
-
-vec3 decode_normal (vec2 enc)
-{
- vec3 n;
- n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f);
- n.z = sqrt(1.0f - dot(n.xy,n.xy));
- return n;
-}
-#else
-vec2 encode_normal(vec3 n)
-{
- float f = sqrt(8 * n.z + 8);
- return n.xy / f + 0.5;
-}
-
-vec3 decode_normal (vec2 enc)
-{
- vec2 fenc = enc*4-2;
- float f = dot(fenc,fenc);
- float g = sqrt(1-f/4);
- vec3 n;
- n.xy = fenc*g;
- n.z = 1-f/2;
- return n;
-}
+#ifdef SINGLE_FP_ONLY
+vec2 encode_normal(vec3 n)
+{
+ vec2 sn;
+ sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f);
+ return sn;
+}
+
+vec3 decode_normal (vec2 enc)
+{
+ vec3 n;
+ n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f);
+ n.z = sqrt(1.0f - dot(n.xy,n.xy));
+ return n;
+}
+#else
+vec2 encode_normal(vec3 n)
+{
+ float f = sqrt(8 * n.z + 8);
+ return n.xy / f + 0.5;
+}
+
+vec3 decode_normal (vec2 enc)
+{
+ vec2 fenc = enc*4-2;
+ float f = dot(fenc,fenc);
+ float g = sqrt(1-f/4);
+ vec3 n;
+ n.xy = fenc*g;
+ n.z = 1-f/2;
+ return n;
+}
#endif
vec4 getPosition_d(vec2 pos_screen, float depth)
@@ -374,23 +374,21 @@ void main()
}
- col = mix(col.rgb, pow(diffuse.rgb, vec3(1.0/2.2)), diffuse.a);
-
-
+ col = mix(col.rgb, diffuse.rgb, diffuse.a);
+
if (envIntensity > 0.0)
{ //add environmentmap
vec3 env_vec = env_mat * refnormpersp;
- float exponent = mix(2.2, 1.0, diffuse.a);
- vec3 refcol = pow(textureCube(environmentMap, env_vec).rgb, vec3(exponent))*exponent;
+
+ vec3 refcol = textureCube(environmentMap, env_vec).rgb;
- col = mix(col.rgb, refcol,
+ col = mix(pow(col.rgb, vec3(1.0/2.2)), refcol,
envIntensity);
- }
+ col = pow(col, vec3(2.2));
- float exponent = mix(1.0, 2.2, diffuse.a);
- col = pow(col, vec3(exponent));
+ }
if (norm.w < 0.5)
{
--
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