Post-merge spaces fix

19 files changed, 408 insertions, 408 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarEyesV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarEyesV.glsl
index 43863dd37a..d3ca3ec8c1 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarEyesV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarEyesV.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file avatarEyesV.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
  * $/LicenseInfo$
  */
@@ -40,12 +40,12 @@ out vec3 vary_position;
 
 void main()
 {
-	//transform vertex
-	vary_position = (modelview_matrix * vec4(position.xyz, 1.0)).xyz;
-	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
-	vary_normal = normalize(normal_matrix * normal);
+    //transform vertex
+    vary_position = (modelview_matrix * vec4(position.xyz, 1.0)).xyz;
+    gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+    vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+
+    vary_normal = normalize(normal_matrix * normal);
 
-	vertex_color = diffuse_color;
+    vertex_color = diffuse_color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
index db7597dd74..b904df3a1b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file avatarF.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
  * $/LicenseInfo$
  */
@@ -37,21 +37,21 @@ in vec3 vary_position;
 
 void mirrorClip(vec3 pos);
 
-void main() 
+void main()
 {
     mirrorClip(vary_position);
 
-	vec4 diff = texture(diffuseMap, vary_texcoord0.xy);
-	
-	if (diff.a < minimum_alpha)
-	{
-		discard;
-	}
-	
-	frag_data[0] = vec4(diff.rgb, 0.0);
-	frag_data[1] = vec4(0,0,0,0);
-	vec3 nvn = normalize(vary_normal);
-	frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    vec4 diff = texture(diffuseMap, vary_texcoord0.xy);
+
+    if (diff.a < minimum_alpha)
+    {
+        discard;
+    }
+
+    frag_data[0] = vec4(diff.rgb, 0.0);
+    frag_data[1] = vec4(0,0,0,0);
+    vec3 nvn = normalize(vary_normal);
+    frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
     frag_data[3] = vec4(0);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarV.glsl
index 5cc2846156..aabbbac12a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarV.glsl
@@ -1,28 +1,28 @@
-/** 
+/**
  * @file avatarV.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
  * $/LicenseInfo$
  */
- 
+
 uniform mat4 projection_matrix;
 
 in vec3 position;
@@ -39,27 +39,27 @@ out vec3 vary_position;
 
 void main()
 {
-	vary_texcoord0 = texcoord0;
-				
-	vec4 pos;
-	vec3 norm;
-	
-	vec4 pos_in = vec4(position.xyz, 1.0);
-	mat4 trans = getSkinnedTransform();
-	pos.x = dot(trans[0], pos_in);
-	pos.y = dot(trans[1], pos_in);
-	pos.z = dot(trans[2], pos_in);
-	pos.w = 1.0;
-	
-	norm.x = dot(trans[0].xyz, normal);
-	norm.y = dot(trans[1].xyz, normal);
-	norm.z = dot(trans[2].xyz, normal);
-	norm = normalize(norm);
-	
-	vary_normal = norm;
-	
+    vary_texcoord0 = texcoord0;
+
+    vec4 pos;
+    vec3 norm;
+
+    vec4 pos_in = vec4(position.xyz, 1.0);
+    mat4 trans = getSkinnedTransform();
+    pos.x = dot(trans[0], pos_in);
+    pos.y = dot(trans[1], pos_in);
+    pos.z = dot(trans[2], pos_in);
+    pos.w = 1.0;
+
+    norm.x = dot(trans[0].xyz, normal);
+    norm.y = dot(trans[1].xyz, normal);
+    norm.z = dot(trans[2].xyz, normal);
+    norm = normalize(norm);
+
+    vary_normal = norm;
+
     vary_position = pos.xyz;
-	gl_Position = projection_matrix * pos;
+    gl_Position = projection_matrix * pos;
 }
 
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
index 8483f257fa..2cc3085cd0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
@@ -1,30 +1,30 @@
-/** 
+/**
  * @file bumpF.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
  * $/LicenseInfo$
  */
 
 /*[EXTRA_CODE_HERE]*/
- 
+
 out vec4 frag_data[4];
 
 uniform float minimum_alpha;
@@ -40,28 +40,28 @@ in vec2 vary_texcoord0;
 in vec3 vary_position;
 
 void mirrorClip(vec3 pos);
-void main() 
+void main()
 {
     mirrorClip(vary_position);
 
-	vec4 col = texture(diffuseMap, vary_texcoord0.xy);
-	
-	if(col.a < minimum_alpha)
-	{
-		discard;
-    }		
-		col *= vertex_color;
-		
-		vec3 norm = texture(bumpMap, vary_texcoord0.xy).rgb * 2.0 - 1.0;
+    vec4 col = texture(diffuseMap, vary_texcoord0.xy);
+
+    if(col.a < minimum_alpha)
+    {
+        discard;
+    }
+        col *= vertex_color;
+
+        vec3 norm = texture(bumpMap, vary_texcoord0.xy).rgb * 2.0 - 1.0;
+
+        vec3 tnorm = vec3(dot(norm,vary_mat0),
+              dot(norm,vary_mat1),
+              dot(norm,vary_mat2));
 
-		vec3 tnorm = vec3(dot(norm,vary_mat0),
-			  dot(norm,vary_mat1),
-			  dot(norm,vary_mat2));
-						
-		frag_data[0] = vec4(col.rgb, 0.0);
-		frag_data[1] = vertex_color.aaaa; // spec
-		//frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested
-		vec3 nvn = normalize(tnorm);
-		frag_data[2] = vec4(nvn, GBUFFER_FLAG_HAS_ATMOS);
+        frag_data[0] = vec4(col.rgb, 0.0);
+        frag_data[1] = vertex_color.aaaa; // spec
+        //frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested
+        vec3 nvn = normalize(tnorm);
+        frag_data[2] = vec4(nvn, GBUFFER_FLAG_HAS_ATMOS);
         frag_data[3] = vec4(vertex_color.a, 0, 0, 0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
index 74319349f6..a381392f6c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpV.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file bumpV.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
  * $/LicenseInfo$
  */
@@ -48,29 +48,29 @@ uniform mat4 projection_matrix;
 
 void main()
 {
-	//transform vertex
+    //transform vertex
 #ifdef HAS_SKIN
     mat4 mat = getObjectSkinnedTransform();
-	mat = modelview_matrix * mat;
-	vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
+    mat = modelview_matrix * mat;
+    vec3 pos = (mat*vec4(position.xyz, 1.0)).xyz;
     vary_position = pos;
-	gl_Position = projection_matrix*vec4(pos, 1.0);
+    gl_Position = projection_matrix*vec4(pos, 1.0);
 
-	vec3 n = normalize((mat * vec4(normal.xyz+position.xyz, 1.0)).xyz-pos.xyz);
-	vec3 t = normalize((mat * vec4(tangent.xyz+position.xyz, 1.0)).xyz-pos.xyz);
+    vec3 n = normalize((mat * vec4(normal.xyz+position.xyz, 1.0)).xyz-pos.xyz);
+    vec3 t = normalize((mat * vec4(tangent.xyz+position.xyz, 1.0)).xyz-pos.xyz);
 #else
     vary_position = (modelview_matrix*vec4(position.xyz, 1.0)).xyz;
-	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
-	vec3 n = normalize(normal_matrix * normal);
-	vec3 t = normalize(normal_matrix * tangent.xyz);
+    gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+    vec3 n = normalize(normal_matrix * normal);
+    vec3 t = normalize(normal_matrix * tangent.xyz);
 #endif
 
-	vec3 b = cross(n, t) * tangent.w;
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+    vec3 b = cross(n, t) * tangent.w;
+    vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+
+    vary_mat0 = vec3(t.x, b.x, n.x);
+    vary_mat1 = vec3(t.y, b.y, n.y);
+    vary_mat2 = vec3(t.z, b.z, n.z);
 
-	vary_mat0 = vec3(t.x, b.x, n.x);
-	vary_mat1 = vec3(t.y, b.y, n.y);
-	vary_mat2 = vec3(t.z, b.z, n.z);
-	
-	vertex_color = diffuse_color;
+    vertex_color = diffuse_color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl
index f6696e270c..385920f622 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file class1/deferred/deferredUtil.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
  * $/LicenseInfo$
  */
@@ -366,14 +366,14 @@ vec3 pbrIbl(vec3 diffuseColor,
             float perceptualRough)
 {
     // retrieve a scale and bias to F0. See [1], Figure 3
-	vec2 brdf = BRDF(clamp(nv, 0, 1), 1.0-perceptualRough);
-	vec3 diffuseLight = irradiance;
-	vec3 specularLight = radiance;
-    
-	vec3 diffuse = diffuseLight * diffuseColor;
-	vec3 specular = specularLight * (specularColor * brdf.x + brdf.y);
+    vec2 brdf = BRDF(clamp(nv, 0, 1), 1.0-perceptualRough);
+    vec3 diffuseLight = irradiance;
+    vec3 specularLight = radiance;
 
-	return (diffuse + specular) * ao;
+    vec3 diffuse = diffuseLight * diffuseColor;
+    vec3 specular = specularLight * (specularColor * brdf.x + brdf.y);
+
+    return (diffuse + specular) * ao;
 }
 
 
@@ -382,18 +382,18 @@ vec3 pbrIbl(vec3 diffuseColor,
 // of the shading terms, outlined in the Readme.MD Appendix.
 struct PBRInfo
 {
-	float NdotL;                  // cos angle between normal and light direction
-	float NdotV;                  // cos angle between normal and view direction
-	float NdotH;                  // cos angle between normal and half vector
-	float LdotH;                  // cos angle between light direction and half vector
-	float VdotH;                  // cos angle between view direction and half vector
-	float perceptualRoughness;    // roughness value, as authored by the model creator (input to shader)
-	float metalness;              // metallic value at the surface
-	vec3 reflectance0;            // full reflectance color (normal incidence angle)
-	vec3 reflectance90;           // reflectance color at grazing angle
-	float alphaRoughness;         // roughness mapped to a more linear change in the roughness (proposed by [2])
-	vec3 diffuseColor;            // color contribution from diffuse lighting
-	vec3 specularColor;           // color contribution from specular lighting
+    float NdotL;                  // cos angle between normal and light direction
+    float NdotV;                  // cos angle between normal and view direction
+    float NdotH;                  // cos angle between normal and half vector
+    float LdotH;                  // cos angle between light direction and half vector
+    float VdotH;                  // cos angle between view direction and half vector
+    float perceptualRoughness;    // roughness value, as authored by the model creator (input to shader)
+    float metalness;              // metallic value at the surface
+    vec3 reflectance0;            // full reflectance color (normal incidence angle)
+    vec3 reflectance90;           // reflectance color at grazing angle
+    float alphaRoughness;         // roughness mapped to a more linear change in the roughness (proposed by [2])
+    vec3 diffuseColor;            // color contribution from diffuse lighting
+    vec3 specularColor;           // color contribution from specular lighting
 };
 
 // Basic Lambertian diffuse
@@ -401,14 +401,14 @@ struct PBRInfo
 // See also [1], Equation 1
 vec3 diffuse(PBRInfo pbrInputs)
 {
-	return pbrInputs.diffuseColor / M_PI;
+    return pbrInputs.diffuseColor / M_PI;
 }
 
 // The following equation models the Fresnel reflectance term of the spec equation (aka F())
 // Implementation of fresnel from [4], Equation 15
 vec3 specularReflection(PBRInfo pbrInputs)
 {
-	return pbrInputs.reflectance0 + (pbrInputs.reflectance90 - pbrInputs.reflectance0) * pow(clamp(1.0 - pbrInputs.VdotH, 0.0, 1.0), 5.0);
+    return pbrInputs.reflectance0 + (pbrInputs.reflectance90 - pbrInputs.reflectance0) * pow(clamp(1.0 - pbrInputs.VdotH, 0.0, 1.0), 5.0);
 }
 
 // This calculates the specular geometric attenuation (aka G()),
@@ -417,13 +417,13 @@ vec3 specularReflection(PBRInfo pbrInputs)
 // alphaRoughness as input as originally proposed in [2].
 float geometricOcclusion(PBRInfo pbrInputs)
 {
-	float NdotL = pbrInputs.NdotL;
-	float NdotV = pbrInputs.NdotV;
-	float r = pbrInputs.alphaRoughness;
+    float NdotL = pbrInputs.NdotL;
+    float NdotV = pbrInputs.NdotV;
+    float r = pbrInputs.alphaRoughness;
 
-	float attenuationL = 2.0 * NdotL / (NdotL + sqrt(r * r + (1.0 - r * r) * (NdotL * NdotL)));
-	float attenuationV = 2.0 * NdotV / (NdotV + sqrt(r * r + (1.0 - r * r) * (NdotV * NdotV)));
-	return attenuationL * attenuationV;
+    float attenuationL = 2.0 * NdotL / (NdotL + sqrt(r * r + (1.0 - r * r) * (NdotL * NdotL)));
+    float attenuationV = 2.0 * NdotV / (NdotV + sqrt(r * r + (1.0 - r * r) * (NdotV * NdotV)));
+    return attenuationL * attenuationV;
 }
 
 // The following equation(s) model the distribution of microfacet normals across the area being drawn (aka D())
@@ -431,13 +431,13 @@ float geometricOcclusion(PBRInfo pbrInputs)
 // Follows the distribution function recommended in the SIGGRAPH 2013 course notes from EPIC Games [1], Equation 3.
 float microfacetDistribution(PBRInfo pbrInputs)
 {
-	float roughnessSq = pbrInputs.alphaRoughness * pbrInputs.alphaRoughness;
-	float f = (pbrInputs.NdotH * roughnessSq - pbrInputs.NdotH) * pbrInputs.NdotH + 1.0;
-	return roughnessSq / (M_PI * f * f);
+    float roughnessSq = pbrInputs.alphaRoughness * pbrInputs.alphaRoughness;
+    float f = (pbrInputs.NdotH * roughnessSq - pbrInputs.NdotH) * pbrInputs.NdotH + 1.0;
+    return roughnessSq / (M_PI * f * f);
 }
 
-vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor, 
-                    float perceptualRoughness, 
+vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor,
+                    float perceptualRoughness,
                     float metallic,
                     vec3 n, // normal
                     vec3 v, // surface point to camera
@@ -445,53 +445,53 @@ vec3 pbrPunctual(vec3 diffuseColor, vec3 specularColor,
 {
     // make sure specular highlights from punctual lights don't fall off of polished surfaces
     perceptualRoughness = max(perceptualRoughness, 8.0/255.0);
-    
-	float alphaRoughness = perceptualRoughness * perceptualRoughness;
-
-	// Compute reflectance.
-	float reflectance = max(max(specularColor.r, specularColor.g), specularColor.b);
-
-	// For typical incident reflectance range (between 4% to 100%) set the grazing reflectance to 100% for typical fresnel effect.
-	// For very low reflectance range on highly diffuse objects (below 4%), incrementally reduce grazing reflecance to 0%.
-	float reflectance90 = clamp(reflectance * 25.0, 0.0, 1.0);
-	vec3 specularEnvironmentR0 = specularColor.rgb;
-	vec3 specularEnvironmentR90 = vec3(1.0, 1.0, 1.0) * reflectance90;
-
-	vec3 h = normalize(l+v);                        // Half vector between both l and v
-	vec3 reflection = -normalize(reflect(v, n));
-	reflection.y *= -1.0f;
-
-	float NdotL = clamp(dot(n, l), 0.001, 1.0);
-	float NdotV = clamp(abs(dot(n, v)), 0.001, 1.0);
-	float NdotH = clamp(dot(n, h), 0.0, 1.0);
-	float LdotH = clamp(dot(l, h), 0.0, 1.0);
-	float VdotH = clamp(dot(v, h), 0.0, 1.0);
-
-	PBRInfo pbrInputs = PBRInfo(
-		NdotL,
-		NdotV,
-		NdotH,
-		LdotH,
-		VdotH,
-		perceptualRoughness,
-		metallic,
-		specularEnvironmentR0,
-		specularEnvironmentR90,
-		alphaRoughness,
-		diffuseColor,
-		specularColor
-	);
-
-	// Calculate the shading terms for the microfacet specular shading model
-	vec3 F = specularReflection(pbrInputs);
-	float G = geometricOcclusion(pbrInputs);
-	float D = microfacetDistribution(pbrInputs);
-
-	// Calculation of analytical lighting contribution
-	vec3 diffuseContrib = (1.0 - F) * diffuse(pbrInputs);
-	vec3 specContrib = F * G * D / (4.0 * NdotL * NdotV);
-	// Obtain final intensity as reflectance (BRDF) scaled by the energy of the light (cosine law)
-	vec3 color = NdotL * (diffuseContrib + specContrib);
+
+    float alphaRoughness = perceptualRoughness * perceptualRoughness;
+
+    // Compute reflectance.
+    float reflectance = max(max(specularColor.r, specularColor.g), specularColor.b);
+
+    // For typical incident reflectance range (between 4% to 100%) set the grazing reflectance to 100% for typical fresnel effect.
+    // For very low reflectance range on highly diffuse objects (below 4%), incrementally reduce grazing reflecance to 0%.
+    float reflectance90 = clamp(reflectance * 25.0, 0.0, 1.0);
+    vec3 specularEnvironmentR0 = specularColor.rgb;
+    vec3 specularEnvironmentR90 = vec3(1.0, 1.0, 1.0) * reflectance90;
+
+    vec3 h = normalize(l+v);                        // Half vector between both l and v
+    vec3 reflection = -normalize(reflect(v, n));
+    reflection.y *= -1.0f;
+
+    float NdotL = clamp(dot(n, l), 0.001, 1.0);
+    float NdotV = clamp(abs(dot(n, v)), 0.001, 1.0);
+    float NdotH = clamp(dot(n, h), 0.0, 1.0);
+    float LdotH = clamp(dot(l, h), 0.0, 1.0);
+    float VdotH = clamp(dot(v, h), 0.0, 1.0);
+
+    PBRInfo pbrInputs = PBRInfo(
+        NdotL,
+        NdotV,
+        NdotH,
+        LdotH,
+        VdotH,
+        perceptualRoughness,
+        metallic,
+        specularEnvironmentR0,
+        specularEnvironmentR90,
+        alphaRoughness,
+        diffuseColor,
+        specularColor
+    );
+
+    // Calculate the shading terms for the microfacet specular shading model
+    vec3 F = specularReflection(pbrInputs);
+    float G = geometricOcclusion(pbrInputs);
+    float D = microfacetDistribution(pbrInputs);
+
+    // Calculation of analytical lighting contribution
+    vec3 diffuseContrib = (1.0 - F) * diffuse(pbrInputs);
+    vec3 specContrib = F * G * D / (4.0 * NdotL * NdotV);
+    // Obtain final intensity as reflectance (BRDF) scaled by the energy of the light (cosine law)
+    vec3 color = NdotL * (diffuseContrib + specContrib);
 
     return clamp(color, vec3(0), vec3(10));
 }
@@ -509,9 +509,9 @@ vec3 pbrBaseLight(vec3 diffuseColor, vec3 specularColor, float metallic, vec3 v,
     vec3 color = vec3(0);
 
     float NdotV = clamp(abs(dot(norm, v)), 0.001, 1.0);
-    
+
     color += pbrIbl(diffuseColor, specularColor, radiance, irradiance, ao, NdotV, perceptualRoughness);
-    
+
     color += pbrPunctual(diffuseColor, specularColor, perceptualRoughness, metallic, norm, v, normalize(light_dir)) * sunlit * 3.0 * scol; //magic number to balance with legacy materials
 
     color += colorEmissive;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
index 82d5d363d2..1751e17814 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file diffuseAlphaMaskF.glsl
  *
  * $LicenseInfo:firstyear=2011&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2011, 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
  * $/LicenseInfo$
  */
@@ -39,21 +39,21 @@ in vec2 vary_texcoord0;
 
 void mirrorClip(vec3 pos);
 
-void main() 
+void main()
 {
     mirrorClip(vary_position);
 
-	vec4 col = texture(diffuseMap, vary_texcoord0.xy) * vertex_color;
-	
-	if (col.a < minimum_alpha)
-	{
-		discard;
-	}
-
-	frag_data[0] = vec4(col.rgb, 0.0);
-	frag_data[1] = vec4(0,0,0,0); // spec
-	vec3 nvn = normalize(vary_normal);
-	frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    vec4 col = texture(diffuseMap, vary_texcoord0.xy) * vertex_color;
+
+    if (col.a < minimum_alpha)
+    {
+        discard;
+    }
+
+    frag_data[0] = vec4(col.rgb, 0.0);
+    frag_data[1] = vec4(0,0,0,0); // spec
+    vec3 nvn = normalize(vary_normal);
+    frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
     frag_data[3] = vec4(0);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl
index 788ea633fc..f5b517a8ea 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file diffuseAlphaMaskIndexedF.glsl
  *
  * $LicenseInfo:firstyear=2011&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2011, 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
  * $/LicenseInfo$
  */
@@ -37,20 +37,20 @@ in vec2 vary_texcoord0;
 
 void mirrorClip(vec3 pos);
 
-void main() 
+void main()
 {
     mirrorClip(vary_position);
 
-	vec4 col = diffuseLookup(vary_texcoord0.xy) * vertex_color;
-	
-	if (col.a < minimum_alpha)
-	{
-		discard;
-	}
-	
-	frag_data[0] = vec4(col.rgb, 0.0);
-	frag_data[1] = vec4(0,0,0,0);
-	vec3 nvn = normalize(vary_normal);
-	frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    vec4 col = diffuseLookup(vary_texcoord0.xy) * vertex_color;
+
+    if (col.a < minimum_alpha)
+    {
+        discard;
+    }
+
+    frag_data[0] = vec4(col.rgb, 0.0);
+    frag_data[1] = vec4(0,0,0,0);
+    vec3 nvn = normalize(vary_normal);
+    frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
     frag_data[3] = vec4(0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl
index 22e6d60419..89ea0c1710 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl
@@ -1,28 +1,28 @@
-/** 
+/**
  * @file diffuseAlphaMaskNoColorF.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
  * $/LicenseInfo$
  */
- 
+
 /*[EXTRA_CODE_HERE]*/
 
 out vec4 frag_data[4];
@@ -34,19 +34,19 @@ uniform sampler2D diffuseMap;
 in vec3 vary_normal;
 in vec2 vary_texcoord0;
 
-void main() 
+void main()
 {
-	vec4 col = texture(diffuseMap, vary_texcoord0.xy);
-	
-	if (col.a < minimum_alpha)
-	{
-		discard;
-	}
-
-	frag_data[0] = vec4(col.rgb, 0.0);
-	frag_data[1] = vec4(0,0,0,0); // spec
-	vec3 nvn = normalize(vary_normal);
-	frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    vec4 col = texture(diffuseMap, vary_texcoord0.xy);
+
+    if (col.a < minimum_alpha)
+    {
+        discard;
+    }
+
+    frag_data[0] = vec4(col.rgb, 0.0);
+    frag_data[1] = vec4(0,0,0,0); // spec
+    vec3 nvn = normalize(vary_normal);
+    frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
     frag_data[3] = vec4(0);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
index 799fc62a42..7f056a51e8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
@@ -1,30 +1,30 @@
-/** 
+/**
  * @file diffuseF.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
  * $/LicenseInfo$
  */
 
 /*[EXTRA_CODE_HERE]*/
- 
+
 out vec4 frag_data[4];
 
 uniform sampler2D diffuseMap;
@@ -36,15 +36,15 @@ in vec3 vary_position;
 
 void mirrorClip(vec3 pos);
 
-void main() 
+void main()
 {
     mirrorClip(vary_position);
-	vec3 col = vertex_color.rgb * texture(diffuseMap, vary_texcoord0.xy).rgb;
-	frag_data[0] = vec4(col, 0.0);
-	frag_data[1] = vertex_color.aaaa; // spec
-	//frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested
-	vec3 nvn = normalize(vary_normal);
-	frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    vec3 col = vertex_color.rgb * texture(diffuseMap, vary_texcoord0.xy).rgb;
+    frag_data[0] = vec4(col, 0.0);
+    frag_data[1] = vertex_color.aaaa; // spec
+    //frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested
+    vec3 nvn = normalize(vary_normal);
+    frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
     frag_data[3] = vec4(vertex_color.a, 0, 0, 0);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
index 3362a180c6..5c73878ba9 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file diffuseIndexedF.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
  * $/LicenseInfo$
  */
@@ -35,17 +35,17 @@ in vec3 vary_position;
 void mirrorClip(vec3 pos);
 vec3 linear_to_srgb(vec3 c);
 
-void main() 
+void main()
 {
     mirrorClip(vary_position);
-	vec3 col = vertex_color.rgb * diffuseLookup(vary_texcoord0.xy).rgb;
+    vec3 col = vertex_color.rgb * diffuseLookup(vary_texcoord0.xy).rgb;
 
-	vec3 spec;
-	spec.rgb = vec3(vertex_color.a);
+    vec3 spec;
+    spec.rgb = vec3(vertex_color.a);
 
-	frag_data[0] = vec4(col, 0.0);
-	frag_data[1] = vec4(spec, vertex_color.a); // spec
-	vec3 nvn = normalize(vary_normal);
-	frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    frag_data[0] = vec4(col, 0.0);
+    frag_data[1] = vec4(spec, vertex_color.a); // spec
+    vec3 nvn = normalize(vary_normal);
+    frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
     frag_data[3] = vec4(vertex_color.a, 0, 0, 0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
index 64230dc680..4bd31cef9e 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file diffuseV.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
  * $/LicenseInfo$
  */
@@ -59,13 +59,13 @@ void main()
     vary_normal = normalize((mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz);
 #else
     vary_position = (modelview_matrix * vec4(position.xyz, 1.0)).xyz;
-	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
+    gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
     vary_normal = normalize(normal_matrix * normal);
 #endif
-	
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
-	passTextureIndex();
 
-	vertex_color = diffuse_color;
+    vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+
+    passTextureIndex();
+
+    vertex_color = diffuse_color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
index c64f65e32c..99cb23839a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file impostorF.glsl
  *
  * $LicenseInfo:firstyear=2011&license=viewerlgpl$
  * 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
  * $/LicenseInfo$
  */
@@ -38,20 +38,20 @@ in vec2 vary_texcoord0;
 
 vec3 linear_to_srgb(vec3 c);
 
-void main() 
+void main()
 {
-	vec4 col = texture(diffuseMap, vary_texcoord0.xy);
+    vec4 col = texture(diffuseMap, vary_texcoord0.xy);
 
-	if (col.a < minimum_alpha)
-	{
-		discard;
-	}
+    if (col.a < minimum_alpha)
+    {
+        discard;
+    }
 
-	vec4 norm = texture(normalMap,   vary_texcoord0.xy);
-	vec4 spec = texture(specularMap, vary_texcoord0.xy);
+    vec4 norm = texture(normalMap,   vary_texcoord0.xy);
+    vec4 spec = texture(specularMap, vary_texcoord0.xy);
 
-	frag_data[0] = vec4(col.rgb, 0.0);
-	frag_data[1] = spec;
-	frag_data[2] = vec4(norm.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    frag_data[0] = vec4(col.rgb, 0.0);
+    frag_data[1] = spec;
+    frag_data[2] = vec4(norm.xyz, GBUFFER_FLAG_HAS_ATMOS);
     frag_data[3] = vec4(0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialV.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialV.glsl
index ddf878ae60..b6528dfcf8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialV.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file materialV.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
  * $/LicenseInfo$
  */
@@ -65,67 +65,67 @@ out vec3 vary_normal;
 in vec2 texcoord2;
 out vec2 vary_texcoord2;
 #endif
- 
+
 out vec4 vertex_color;
 out vec2 vary_texcoord0;
 
 void main()
 {
 #ifdef HAS_SKIN
-	mat4 mat = getObjectSkinnedTransform();
+    mat4 mat = getObjectSkinnedTransform();
 
-	mat = modelview_matrix * mat;
+    mat = modelview_matrix * mat;
 
-	vec3 pos = (mat*vec4(position.xyz,1.0)).xyz;
+    vec3 pos = (mat*vec4(position.xyz,1.0)).xyz;
 
-	vary_position = pos;
+    vary_position = pos;
 
-	gl_Position = projection_matrix*vec4(pos,1.0);
+    gl_Position = projection_matrix*vec4(pos,1.0);
 
 #else
-	//transform vertex
-	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
+    //transform vertex
+    gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 
 #endif
-	
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
+
+    vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+
 #ifdef HAS_NORMAL_MAP
-	vary_texcoord1 = (texture_matrix0 * vec4(texcoord1,0,1)).xy;
+    vary_texcoord1 = (texture_matrix0 * vec4(texcoord1,0,1)).xy;
 #endif
 
 #ifdef HAS_SPECULAR_MAP
-	vary_texcoord2 = (texture_matrix0 * vec4(texcoord2,0,1)).xy;
+    vary_texcoord2 = (texture_matrix0 * vec4(texcoord2,0,1)).xy;
 #endif
 
 #ifdef HAS_SKIN
-	vec3 n = normalize((mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz);
+    vec3 n = normalize((mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz);
 #ifdef HAS_NORMAL_MAP
-	vec3 t = normalize((mat*vec4(tangent.xyz+position.xyz,1.0)).xyz-pos.xyz);
+    vec3 t = normalize((mat*vec4(tangent.xyz+position.xyz,1.0)).xyz-pos.xyz);
 
     vary_tangent = t;
     vary_sign = tangent.w;
     vary_normal = n;
 #else //HAS_NORMAL_MAP
-	vary_normal  = n;
+    vary_normal  = n;
 #endif //HAS_NORMAL_MAP
 #else //HAS_SKIN
-	vec3 n = normalize(normal_matrix * normal);
+    vec3 n = normalize(normal_matrix * normal);
 #ifdef HAS_NORMAL_MAP
-	vec3 t = normalize(normal_matrix * tangent.xyz);
+    vec3 t = normalize(normal_matrix * tangent.xyz);
 
     vary_tangent = t;
     vary_sign = tangent.w;
     vary_normal = n;
 #else //HAS_NORMAL_MAP
-	vary_normal = n;
+    vary_normal = n;
 #endif //HAS_NORMAL_MAP
 #endif //HAS_SKIN
-	
-	vertex_color = diffuse_color;
+
+    vertex_color = diffuse_color;
 
 #if !defined(HAS_SKIN)
-	vary_position = (modelview_matrix*vec4(position.xyz, 1.0)).xyz;
+    vary_position = (modelview_matrix*vec4(position.xyz, 1.0)).xyz;
 #endif
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl
index 5e0141910b..fd020afd57 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file pbropaqueV.glsl
  *
  * $LicenseInfo:firstyear=2022&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2022, 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
  * $/LicenseInfo$
  */
@@ -54,7 +54,7 @@ out vec2 base_color_texcoord;
 out vec2 normal_texcoord;
 out vec2 metallic_roughness_texcoord;
 out vec2 emissive_texcoord;
- 
+
 out vec4 vertex_color;
 
 out vec3 vary_tangent;
@@ -68,18 +68,18 @@ vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] kh
 void main()
 {
 #ifdef HAS_SKIN
-	mat4 mat = getObjectSkinnedTransform();
+    mat4 mat = getObjectSkinnedTransform();
 
-	mat = modelview_matrix * mat;
+    mat = modelview_matrix * mat;
 
-	vec3 pos = (mat*vec4(position.xyz,1.0)).xyz;
+    vec3 pos = (mat*vec4(position.xyz,1.0)).xyz;
     vary_position = pos;
-	gl_Position = projection_matrix*vec4(pos,1.0);
+    gl_Position = projection_matrix*vec4(pos,1.0);
 
 #else
     vary_position = (modelview_matrix*vec4(position.xyz, 1.0)).xyz;
-	//transform vertex
-	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
+    //transform vertex
+    gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 #endif
 
     base_color_texcoord = texture_transform(texcoord0, texture_base_color_transform, texture_matrix0);
@@ -88,11 +88,11 @@ void main()
     emissive_texcoord = texture_transform(texcoord0, texture_emissive_transform, texture_matrix0);
 
 #ifdef HAS_SKIN
-	vec3 n = (mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz;
-	vec3 t = (mat*vec4(tangent.xyz+position.xyz,1.0)).xyz-pos.xyz;
+    vec3 n = (mat*vec4(normal.xyz+position.xyz,1.0)).xyz-pos.xyz;
+    vec3 t = (mat*vec4(tangent.xyz+position.xyz,1.0)).xyz-pos.xyz;
 #else //HAS_SKIN
-	vec3 n = normal_matrix * normal;
-	vec3 t = normal_matrix * tangent.xyz;
+    vec3 n = normal_matrix * normal;
+    vec3 t = normal_matrix * tangent.xyz;
 #endif
 
     n = normalize(n);
@@ -100,11 +100,11 @@ void main()
     vary_tangent = normalize(tangent_space_transform(vec4(t, tangent.w), n, texture_normal_transform, texture_matrix0));
     vary_sign = tangent.w;
     vary_normal = n;
-	
-	vertex_color = diffuse_color;
+
+    vertex_color = diffuse_color;
 }
 
-#else 
+#else
 
 // fullbright HUD implementation
 
@@ -121,7 +121,7 @@ in vec2 texcoord0;
 
 out vec2 base_color_texcoord;
 out vec2 emissive_texcoord;
- 
+
 out vec4 vertex_color;
 
 vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform);
@@ -129,7 +129,7 @@ vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl
 void main()
 {
     //transform vertex
-    gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
+    gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 
     base_color_texcoord = texture_transform(texcoord0, texture_base_color_transform, texture_matrix0);
     emissive_texcoord = texture_transform(texcoord0, texture_emissive_transform, texture_matrix0);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl
index 489fc26e3f..4efb9a1f53 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pbrterrainV.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file class1\environment\pbrterrainV.glsl
  *
  * $LicenseInfo:firstyear=2023&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2023, 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
  * $/LicenseInfo$
  */
@@ -56,12 +56,12 @@ vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] kh
 void main()
 {
     //transform vertex
-	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
+    gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
     vary_position = (modelview_matrix*vec4(position.xyz, 1.0)).xyz;
 
-	vec3 n = normal_matrix * normal;
+    vec3 n = normal_matrix * normal;
     vary_vertex_normal = normal;
-	vec3 t = normal_matrix * tangent.xyz;
+    vec3 t = normal_matrix * tangent.xyz;
 
     vary_tangent = normalize(t);
     // *TODO: Decide if we want this. It may be better to just calculate the
@@ -88,7 +88,7 @@ void main()
 #elif TERRAIN_PLANAR_TEXTURE_SAMPLE_COUNT == 1
     vary_texcoord0.xy = texture_transform(position.xy, texture_base_color_transform, texture_matrix0);
 #endif
-    
+
     vec4 tc = vec4(texcoord1,0,1);
     vary_texcoord0.zw = tc.xy;
     vary_texcoord1.xy = tc.xy-vec2(2.0, 0.0);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
index 1629ed91c8..a0eb6cfbb8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
@@ -1,28 +1,28 @@
-/** 
+/**
  * @file postDeferredGammaCorrect.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
  * $/LicenseInfo$
  */
- 
+
 /*[EXTRA_CODE_HERE]*/
 
 out vec4 frag_color;
@@ -79,7 +79,7 @@ vec3 RRTAndODTFit(vec3 color)
 }
 
 
-// tone mapping 
+// tone mapping
 vec3 toneMapACES_Hill(vec3 color)
 {
     color = ACESInputMat * color;
@@ -103,7 +103,7 @@ vec3 toneMap(vec3 color)
 {
 #ifndef NO_POST
     float exp_scale = texture(exposureMap, vec2(0.5,0.5)).r;
-    
+
     color *= exposure * exp_scale;
 
     // mix ACES and Linear here as a compromise to avoid over-darkening legacy content
@@ -117,38 +117,38 @@ vec3 toneMap(vec3 color)
 
 //=================================
 // borrowed noise from:
-//	<https://www.shadertoy.com/view/4dS3Wd>
-//	By Morgan McGuire @morgan3d, http://graphicscodex.com
+//  <https://www.shadertoy.com/view/4dS3Wd>
+//  By Morgan McGuire @morgan3d, http://graphicscodex.com
 //
 float hash(float n) { return fract(sin(n) * 1e4); }
 float hash(vec2 p) { return fract(1e4 * sin(17.0 * p.x + p.y * 0.1) * (0.1 + abs(sin(p.y * 13.0 + p.x)))); }
 
 float noise(float x) {
-	float i = floor(x);
-	float f = fract(x);
-	float u = f * f * (3.0 - 2.0 * f);
-	return mix(hash(i), hash(i + 1.0), u);
+    float i = floor(x);
+    float f = fract(x);
+    float u = f * f * (3.0 - 2.0 * f);
+    return mix(hash(i), hash(i + 1.0), u);
 }
 
 float noise(vec2 x) {
-	vec2 i = floor(x);
-	vec2 f = fract(x);
-
-	// Four corners in 2D of a tile
-	float a = hash(i);
-	float b = hash(i + vec2(1.0, 0.0));
-	float c = hash(i + vec2(0.0, 1.0));
-	float d = hash(i + vec2(1.0, 1.0));
-
-	// Simple 2D lerp using smoothstep envelope between the values.
-	// return vec3(mix(mix(a, b, smoothstep(0.0, 1.0, f.x)),
-	//			mix(c, d, smoothstep(0.0, 1.0, f.x)),
-	//			smoothstep(0.0, 1.0, f.y)));
-
-	// Same code, with the clamps in smoothstep and common subexpressions
-	// optimized away.
-	vec2 u = f * f * (3.0 - 2.0 * f);
-	return mix(a, b, u.x) + (c - a) * u.y * (1.0 - u.x) + (d - b) * u.x * u.y;
+    vec2 i = floor(x);
+    vec2 f = fract(x);
+
+    // Four corners in 2D of a tile
+    float a = hash(i);
+    float b = hash(i + vec2(1.0, 0.0));
+    float c = hash(i + vec2(0.0, 1.0));
+    float d = hash(i + vec2(1.0, 1.0));
+
+    // Simple 2D lerp using smoothstep envelope between the values.
+    // return vec3(mix(mix(a, b, smoothstep(0.0, 1.0, f.x)),
+    //          mix(c, d, smoothstep(0.0, 1.0, f.x)),
+    //          smoothstep(0.0, 1.0, f.y)));
+
+    // Same code, with the clamps in smoothstep and common subexpressions
+    // optimized away.
+    vec2 u = f * f * (3.0 - 2.0 * f);
+    return mix(a, b, u.x) + (c - a) * u.y * (1.0 - u.x) + (d - b) * u.x * u.y;
 }
 
 //=============================
@@ -171,7 +171,7 @@ vec3 legacyGamma(vec3 color)
     return c;
 }
 
-void main() 
+void main()
 {
     //this is the one of the rare spots where diffuseRect contains linear color values (not sRGB)
     vec4 diff = texture(diffuseRect, vary_fragcoord);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
index 708acd0194..05922ecb1a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file treeF.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
  * $/LicenseInfo$
  */
@@ -37,18 +37,18 @@ in vec3 vary_position;
 uniform float minimum_alpha;
 
 void mirrorClip(vec3 pos);
-void main() 
+void main()
 {
     mirrorClip(vary_position);
-	vec4 col = texture(diffuseMap, vary_texcoord0.xy);
-	if (col.a < minimum_alpha)
-	{
-		discard;
-	}
+    vec4 col = texture(diffuseMap, vary_texcoord0.xy);
+    if (col.a < minimum_alpha)
+    {
+        discard;
+    }
 
-	frag_data[0] = vec4(vertex_color.rgb*col.rgb, 0.0);
-	frag_data[1] = vec4(0,0,0,0);
-	vec3 nvn = normalize(vary_normal);
-	frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
+    frag_data[0] = vec4(vertex_color.rgb*col.rgb, 0.0);
+    frag_data[1] = vec4(0,0,0,0);
+    vec3 nvn = normalize(vary_normal);
+    frag_data[2] = vec4(nvn.xyz, GBUFFER_FLAG_HAS_ATMOS);
     frag_data[3] = vec4(0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeV.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeV.glsl
index c84fccd4c6..ef5602f1e5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/treeV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeV.glsl
@@ -1,24 +1,24 @@
-/** 
+/**
  * @file treeV.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
  * $/LicenseInfo$
  */
@@ -39,13 +39,13 @@ out vec3 vary_position;
 
 void main()
 {
-	//transform vertex
-	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
+    //transform vertex
+    gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
     vary_position = (modelview_matrix*vec4(position.xyz, 1.0)).xyz;
 
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
-	vary_normal = normalize(normal_matrix * normal);
+    vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
+
+    vary_normal = normalize(normal_matrix * normal);
 
-	vertex_color = vec4(1,1,1,1);
+    vertex_color = vec4(1,1,1,1);
 }