1 files changed, 30 insertions, 26 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pbropaqueV.glsl
index 160ae7a215..0ad9bf5e4b 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
  * $/LicenseInfo$
  */
@@ -28,8 +28,9 @@
 
 //deferred opaque implementation
 
-#ifdef HAS_SKIN
 uniform mat4 modelview_matrix;
+
+#ifdef HAS_SKIN
 uniform mat4 projection_matrix;
 mat4 getObjectSkinnedTransform();
 #else
@@ -53,30 +54,32 @@ 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;
 flat out float vary_sign;
 out vec3 vary_normal;
+out vec3 vary_position;
 
 vec2 texture_transform(vec2 vertex_texcoord, vec4[2] khr_gltf_transform, mat4 sl_animation_transform);
-vec3 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform, mat4 sl_animation_transform);
+vec4 tangent_space_transform(vec4 vertex_tangent, vec3 vertex_normal, vec4[2] khr_gltf_transform, mat4 sl_animation_transform);
 
 void main()
 {
 #ifdef HAS_SKIN
-	mat4 mat = getObjectSkinnedTransform();
-
-	mat = modelview_matrix * mat;
+    mat4 mat = getObjectSkinnedTransform();
 
-	vec3 pos = (mat*vec4(position.xyz,1.0)).xyz;
+    mat = modelview_matrix * mat;
 
-	gl_Position = projection_matrix*vec4(pos,1.0);
+    vec3 pos = (mat*vec4(position.xyz,1.0)).xyz;
+    vary_position = pos;
+    gl_Position = projection_matrix*vec4(pos,1.0);
 
 #else
-	//transform vertex
-	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
+    vary_position = (modelview_matrix*vec4(position.xyz, 1.0)).xyz;
+    //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);
@@ -85,23 +88,24 @@ 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);
 
-    vary_tangent = normalize(tangent_space_transform(vec4(t, tangent.w), n, texture_normal_transform, texture_matrix0));
-    vary_sign = tangent.w;
+    vec4 transformed_tangent = tangent_space_transform(vec4(t, tangent.w), n, texture_normal_transform, texture_matrix0);
+    vary_tangent = normalize(transformed_tangent.xyz);
+    vary_sign = transformed_tangent.w;
     vary_normal = n;
-	
-	vertex_color = diffuse_color;
+
+    vertex_color = diffuse_color;
 }
 
-#else 
+#else
 
 // fullbright HUD implementation
 
@@ -118,7 +122,7 @@ 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);
@@ -126,7 +130,7 @@ 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);