Add missing files from viewer-experimental

22 files changed, 8924 insertions, 0 deletions

diff --git a/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl b/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl
new file mode 100644
index 0000000000..eef6556fba
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl
@@ -0,0 +1,30 @@
+/** 
+ * @file objectSkinV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+attribute vec4 object_weight;  
+
+uniform mat4 matrixPalette[64];
+
+mat4 getObjectSkinnedTransform()
+{
+	int i; 
+	
+	vec4 w = fract(object_weight);
+	vec4 index = floor(object_weight);
+	
+	float scale = 1.0/(w.x+w.y+w.z+w.w);
+	w *= scale;
+	
+	mat4 mat = matrixPalette[int(index.x)]*w.x;
+	mat += matrixPalette[int(index.y)]*w.y;
+	mat += matrixPalette[int(index.z)]*w.z;
+	mat += matrixPalette[int(index.w)]*w.w;
+		
+	return mat;
+}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
new file mode 100644
index 0000000000..fde0e97713
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
@@ -0,0 +1,75 @@
+/** 
+ * @file alphaSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
+mat4 getObjectSkinnedTransform();
+void calcAtmospherics(vec3 inPositionEye);
+
+float calcDirectionalLight(vec3 n, vec3 l);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+
+vec3 atmosAmbient(vec3 light);
+vec3 atmosAffectDirectionalLight(float lightIntensity);
+vec3 scaleDownLight(vec3 light);
+vec3 scaleUpLight(vec3 light);
+
+varying vec3 vary_position;
+varying vec3 vary_ambient;
+varying vec3 vary_directional;
+varying vec3 vary_normal;
+varying vec3 vary_light;
+
+void main()
+{
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+				
+	vec4 pos;
+	vec3 norm;
+	
+	mat4 trans = getObjectSkinnedTransform();
+	trans = gl_ModelViewMatrix * trans;
+	
+	pos = trans * gl_Vertex;
+	
+	norm = gl_Vertex.xyz + gl_Normal.xyz;
+	norm = normalize(( trans*vec4(norm, 1.0) ).xyz-pos.xyz);
+	
+	gl_Position = gl_ProjectionMatrix * pos;
+	
+	vary_position = pos.xyz;
+	vary_normal = norm;	
+	
+	calcAtmospherics(pos.xyz);
+
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
+
+	// Collect normal lights (need to be divided by two, as we later multiply by 2)
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
+	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	col.rgb = scaleDownLight(col.rgb);
+	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
+	vary_light = gl_LightSource[0].position.xyz;
+	
+	vary_ambient = col.rgb*gl_Color.rgb;
+	vary_directional = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a)));
+	
+	col.rgb = min(col.rgb*gl_Color.rgb, 1.0);
+	
+	gl_FrontColor = col;
+
+	gl_FogFragCoord = pos.z;
+}
+
+
diff --git a/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl
new file mode 100644
index 0000000000..085ffddeec
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl
@@ -0,0 +1,16 @@
+/** 
+ * @file avatarShadowF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+uniform sampler2D diffuseMap;
+
+
+void main() 
+{
+	//gl_FragColor = vec4(1,1,1,gl_Color.a * texture2D(diffuseMap, gl_TexCoord[0].xy).a);
+	gl_FragColor = vec4(1,1,1,1);
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl
new file mode 100644
index 0000000000..1626e21cd8
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowV.glsl
@@ -0,0 +1,25 @@
+/** 
+ * @file diffuseSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+mat4 getObjectSkinnedTransform();
+
+void main()
+{
+	//transform vertex
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	gl_FrontColor = gl_Color;
+	
+	gl_Position = gl_ProjectionMatrix*vec4(pos, 1.0);
+}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl
new file mode 100644
index 0000000000..d884f2e4a5
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpSkinnedV.glsl
@@ -0,0 +1,37 @@
+/** 
+ * @file bumpV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+varying vec3 vary_mat0;
+varying vec3 vary_mat1;
+varying vec3 vary_mat2;
+
+mat4 getObjectSkinnedTransform();
+
+void main()
+{
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	
+	vec3 n = normalize((mat * vec4(gl_Normal.xyz+gl_Vertex.xyz, 1.0)).xyz-pos.xyz);
+	vec3 b = normalize((mat * vec4(gl_MultiTexCoord2.xyz+gl_Vertex.xyz, 1.0)).xyz-pos.xyz);
+	vec3 t = cross(b, n);
+	
+	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);
+	
+	gl_Position = gl_ProjectionMatrix*vec4(pos, 1.0);
+	gl_FrontColor = gl_Color;
+}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseSkinnedV.glsl
new file mode 100644
index 0000000000..9a45c03237
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseSkinnedV.glsl
@@ -0,0 +1,33 @@
+/** 
+ * @file diffuseSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+varying vec3 vary_normal;
+
+mat4 getObjectSkinnedTransform();
+
+void main()
+{
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	vec4 norm = gl_Vertex;
+	norm.xyz += gl_Normal.xyz;
+	norm.xyz = (mat*norm).xyz;
+	norm.xyz = normalize(norm.xyz-pos.xyz);
+
+	vary_normal = norm.xyz;
+			
+	gl_FrontColor = gl_Color;
+	
+	gl_Position = gl_ProjectionMatrix*vec4(pos, 1.0);
+}
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl
new file mode 100644
index 0000000000..4cde013eef
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl
@@ -0,0 +1,15 @@
+/** 
+ * @file lightFullbrightShinyWaterF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+
+uniform sampler2D diffuseMap;
+uniform samplerCube environmentMap;
+
+void fullbright_shiny_lighting_water() 
+{
+	gl_FragColor = texture2D(diffuseMap, gl_TexCoord[0].xy);
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/fullbrightShinySkinnedV.glsl b/indra/newview/app_settings/shaders/class1/objects/fullbrightShinySkinnedV.glsl
new file mode 100644
index 0000000000..f0baeeeee5
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/fullbrightShinySkinnedV.glsl
@@ -0,0 +1,39 @@
+/** 
+ * @file shinySimpleSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+void calcAtmospherics(vec3 inPositionEye);
+mat4 getObjectSkinnedTransform();
+
+attribute vec4 object_weight;
+
+void main()
+{
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	vec4 norm = gl_Vertex;
+	norm.xyz += gl_Normal.xyz;
+	norm.xyz = (mat*norm).xyz;
+	norm.xyz = normalize(norm.xyz-pos.xyz);
+		
+	vec3 ref = reflect(pos.xyz, -norm.xyz);
+
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	gl_TexCoord[1] = gl_TextureMatrix[1]*vec4(ref,1.0);
+
+	calcAtmospherics(pos.xyz);
+
+	gl_FrontColor = gl_Color;
+	
+	gl_Position = gl_ProjectionMatrix*vec4(pos, 1.0);
+	
+	gl_FogFragCoord = pos.z;
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/fullbrightShinyWaterF.glsl b/indra/newview/app_settings/shaders/class1/objects/fullbrightShinyWaterF.glsl
new file mode 100644
index 0000000000..5e6e4c16b7
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/fullbrightShinyWaterF.glsl
@@ -0,0 +1,13 @@
+/** 
+ * @file fullbrightShinyWaterF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+void fullbright_shiny_lighting_water();
+
+void main() 
+{
+	fullbright_shiny_lighting_water();
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/fullbrightSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/objects/fullbrightSkinnedV.glsl
new file mode 100644
index 0000000000..02ff3cc2a9
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/fullbrightSkinnedV.glsl
@@ -0,0 +1,37 @@
+/** 
+ * @file fullbrightSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+void calcAtmospherics(vec3 inPositionEye);
+mat4 getObjectSkinnedTransform();
+
+attribute vec4 object_weight;
+
+void main()
+{
+	//transform vertex
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	vec4 norm = gl_Vertex;
+	norm.xyz += gl_Normal.xyz;
+	norm.xyz = (mat*norm).xyz;
+	norm.xyz = normalize(norm.xyz-pos.xyz);
+		
+	calcAtmospherics(pos.xyz);
+
+	gl_FrontColor = gl_Color;
+	
+	gl_Position = gl_ProjectionMatrix*vec4(pos, 1.0);
+		
+	gl_FogFragCoord = pos.z;
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/shinySimpleSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/objects/shinySimpleSkinnedV.glsl
new file mode 100644
index 0000000000..4146646058
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/shinySimpleSkinnedV.glsl
@@ -0,0 +1,39 @@
+/** 
+ * @file shinySimpleSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
+void calcAtmospherics(vec3 inPositionEye);
+mat4 getObjectSkinnedTransform();
+
+attribute vec4 object_weight;
+
+void main()
+{
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	vec4 norm = gl_Vertex;
+	norm.xyz += gl_Normal.xyz;
+	norm.xyz = (mat*norm).xyz;
+	norm.xyz = normalize(norm.xyz-pos.xyz);
+		
+	vec3 ref = reflect(pos.xyz, -norm.xyz);
+
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	gl_TexCoord[1] = gl_TextureMatrix[1]*vec4(ref,1.0);
+
+	calcAtmospherics(pos.xyz);
+
+	vec4 color = calcLighting(pos.xyz, norm.xyz, gl_Color, vec4(0.));
+	gl_FrontColor = color;
+	
+	gl_Position = gl_ProjectionMatrix*vec4(pos, 1.0);
+}
diff --git a/indra/newview/app_settings/shaders/class1/objects/simpleSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/objects/simpleSkinnedV.glsl
new file mode 100644
index 0000000000..59944b8861
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/objects/simpleSkinnedV.glsl
@@ -0,0 +1,39 @@
+/** 
+ * @file simpleV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#version 120
+
+vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
+void calcAtmospherics(vec3 inPositionEye);
+mat4 getObjectSkinnedTransform();
+
+attribute vec4 object_weight;
+
+void main()
+{
+	//transform vertex
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	vec4 norm = gl_Vertex;
+	norm.xyz += gl_Normal.xyz;
+	norm.xyz = (mat*norm).xyz;
+	norm.xyz = normalize(norm.xyz-pos.xyz);
+		
+	calcAtmospherics(pos.xyz);
+
+	vec4 color = calcLighting(pos.xyz, norm.xyz, gl_Color, vec4(0.));
+	gl_FrontColor = color;
+	
+	gl_Position = gl_ProjectionMatrix*vec4(pos, 1.0);
+	
+	gl_FogFragCoord = pos.z;
+}
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
new file mode 100644
index 0000000000..dc4663677b
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
@@ -0,0 +1,84 @@
+/** 
+ * @file alphaSkinnedV.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
+void calcAtmospherics(vec3 inPositionEye);
+
+float calcDirectionalLight(vec3 n, vec3 l);
+float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
+mat4 getObjectSkinnedTransform();
+vec3 atmosAmbient(vec3 light);
+vec3 atmosAffectDirectionalLight(float lightIntensity);
+vec3 scaleDownLight(vec3 light);
+vec3 scaleUpLight(vec3 light);
+
+varying vec3 vary_ambient;
+varying vec3 vary_directional;
+varying vec3 vary_fragcoord;
+varying vec3 vary_position;
+varying vec3 vary_light;
+
+uniform float near_clip;
+uniform float shadow_offset;
+uniform float shadow_bias;
+
+void main()
+{
+	gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
+	
+	mat4 mat = getObjectSkinnedTransform();
+	
+	mat = gl_ModelViewMatrix * mat;
+	
+	vec3 pos = (mat*gl_Vertex).xyz;
+	
+	gl_Position = gl_ProjectionMatrix * vec4(pos, 1.0);
+	
+	vec4 n = gl_Vertex;
+	n.xyz += gl_Normal.xyz;
+	n.xyz = (mat*n).xyz;
+	n.xyz = normalize(n.xyz-pos.xyz);
+	
+	vec3 norm = n.xyz;
+	
+	float dp_directional_light = max(0.0, dot(norm, gl_LightSource[0].position.xyz));
+	vary_position = pos.xyz + gl_LightSource[0].position.xyz * (1.0-dp_directional_light)*shadow_offset;
+			
+	calcAtmospherics(pos.xyz);
+
+	//vec4 color = calcLighting(pos.xyz, norm, gl_Color, vec4(0.));
+	vec4 col = vec4(0.0, 0.0, 0.0, gl_Color.a);
+
+	// Collect normal lights (need to be divided by two, as we later multiply by 2)
+	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
+	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
+	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
+	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
+	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
+	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
+	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	col.rgb = scaleDownLight(col.rgb);
+	
+	// Add windlight lights
+	col.rgb += atmosAmbient(vec3(0.));
+	
+	vary_light = gl_LightSource[0].position.xyz;
+	
+	vary_ambient = col.rgb*gl_Color.rgb;
+	vary_directional.rgb = gl_Color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, gl_LightSource[0].position.xyz), (1.0-gl_Color.a)*(1.0-gl_Color.a)));
+	
+	col.rgb = min(col.rgb*gl_Color.rgb, 1.0);
+	
+	gl_FrontColor = col;
+
+	gl_FogFragCoord = pos.z;
+	
+	pos.xyz = (gl_ModelViewProjectionMatrix * gl_Vertex).xyz;
+	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
+	
+}
+
diff --git a/indra/newview/app_settings/shaders/class2/lighting/lightFullbrightShinyWaterF.glsl b/indra/newview/app_settings/shaders/class2/lighting/lightFullbrightShinyWaterF.glsl
new file mode 100644
index 0000000000..eca9a567f6
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/lighting/lightFullbrightShinyWaterF.glsl
@@ -0,0 +1,29 @@
+/** 
+ * @file lightFullbrightShinyWaterF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+uniform sampler2D diffuseMap;
+uniform samplerCube environmentMap;
+
+vec3 fullbrightShinyAtmosTransport(vec3 light);
+vec3 fullbrightScaleSoftClip(vec3 light);
+vec4 applyWaterFog(vec4 color);
+
+void fullbright_shiny_lighting_water()
+{
+	vec4 color = texture2D(diffuseMap, gl_TexCoord[0].xy);
+	color.rgb *= gl_Color.rgb;
+	
+	vec3 envColor = textureCube(environmentMap, gl_TexCoord[1].xyz).rgb;	
+	color.rgb = mix(color.rgb, envColor.rgb, gl_Color.a);
+
+	color.rgb = fullbrightShinyAtmosTransport(color.rgb);
+	color.rgb = fullbrightScaleSoftClip(color.rgb);
+	color.a = max(color.a, gl_Color.a);
+
+	gl_FragColor = applyWaterFog(color);
+}
+
diff --git a/indra/newview/llfloaterimportcollada.cpp b/indra/newview/llfloaterimportcollada.cpp
new file mode 100644
index 0000000000..476c02cd46
--- /dev/null
+++ b/indra/newview/llfloaterimportcollada.cpp
@@ -0,0 +1,1116 @@
+/** 
+ * @file llfloaterimportcollada.cpp
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloaterimportcollada.h"
+
+#include "dae.h"
+//#include "dom.h"
+#include "dom/domAsset.h"
+#include "dom/domBind_material.h"
+#include "dom/domConstants.h"
+#include "dom/domEffect.h"
+#include "dom/domGeometry.h"
+#include "dom/domInstance_geometry.h"
+#include "dom/domInstance_material.h"
+#include "dom/domInstance_node.h"
+#include "dom/domInstance_effect.h"
+#include "dom/domMaterial.h"
+#include "dom/domMatrix.h"
+#include "dom/domNode.h"
+#include "dom/domProfile_COMMON.h"
+#include "dom/domRotate.h"
+#include "dom/domScale.h"
+#include "dom/domTranslate.h"
+#include "dom/domVisual_scene.h"
+
+#include "llagent.h"
+#include "llassetuploadresponders.h"
+#include "lleconomy.h"
+#include "llfloaterperms.h"
+#include "llfloaterreg.h"
+#include "llsdutil.h"
+#include "llsdutil_math.h"
+#include "llselectmgr.h"
+#include "llvfile.h"
+#include "llvfs.h"
+#include "llviewermenufile.h"
+#include "llviewerregion.h"
+#include "llvolumemessage.h"
+#include "llmodel.h"
+#include "llmeshreduction.h"
+#include "material_codes.h"
+
+//
+// floater
+//
+
+#if LL_MESH_ENABLED
+
+LLFloaterImportCollada::LLFloaterImportCollada(const LLSD& key)
+	: LLFloater(key)
+{
+}
+
+
+BOOL LLFloaterImportCollada::postBuild()
+{
+	if (!LLFloater::postBuild())
+	{
+		return FALSE;
+	}
+
+	childSetCommitCallback("ok", LLImportCollada::onCommitOK, this);
+	childSetCommitCallback("cancel", LLImportCollada::onCommitCancel, this);
+	
+	setStatusIdle();
+	setAssetCount(0,0);
+	enableOK(TRUE);
+
+	return TRUE;
+}
+
+
+void LLFloaterImportCollada::setAssetCount(S32 mesh_count, S32 texture_count)
+{
+	childSetTextArg("mesh count", "[COUNT]", llformat("%d", mesh_count));
+	childSetTextArg("texture count", "[COUNT]", llformat("%d", texture_count));
+}
+
+void LLFloaterImportCollada::setStatusAssetUploading(std::string asset_name)
+{
+	LLUIString uploading = getString("status_uploading");
+	uploading.setArg("[NAME]", asset_name);
+	childSetTextArg("status", "[STATUS]", uploading.getString());
+}
+
+void LLFloaterImportCollada::setStatusCreatingPrim(std::string prim_name)
+{
+	LLUIString creating = getString("status_creating");
+	creating.setArg("[NAME]", prim_name);
+	childSetTextArg("status", "[STATUS]", creating.getString());
+}
+
+void LLFloaterImportCollada::setStatusIdle()
+{
+	childSetTextArg("status", "[STATUS]", getString("status_idle"));
+}
+
+void LLFloaterImportCollada::enableOK(BOOL enable)
+{
+	childSetEnabled("ok", enable);
+}
+
+
+//
+// misc helpers
+//
+
+
+// why oh why do forbid matrix multiplication in our llmath library?
+LLMatrix4 matrix_multiply(LLMatrix4 a, LLMatrix4 b)
+{
+	a *= b;
+
+	return a;
+}
+
+// why oh why does colladadom not provide such things?
+daeElement* getFirstChild(daeElement* parent)
+{
+	daeTArray< daeSmartRef<daeElement> > children = parent->getChildren();
+
+	if (children.getCount() > 0)
+	{
+		return children[0];
+	}
+	else
+	{
+		return NULL;
+	}
+}
+
+// why oh why does colladadom not provide such things?
+daeElement* getNextSibling(daeElement* child)
+{
+	daeElement* parent = child->getParent();
+
+	if (parent == NULL)
+	{
+		// must be root, root has no siblings
+		return NULL;
+	}
+
+	daeElement* sibling = NULL;
+
+	daeTArray< daeSmartRef<daeElement> > children = parent->getChildren();
+	for (S32 i = 0; i < children.getCount(); i++)
+	{
+		if (child == children[i])
+		{
+			if ((i+1) < children.getCount())
+			{
+				sibling = children[i+1];
+			}
+		}
+	}
+
+	return sibling;
+}
+
+// try to get a decent label for this element
+std::string getElementLabel(daeElement *element)
+{
+	// if we have a name attribute, use it
+	std::string name = element->getAttribute("name");
+	if (name.length())
+	{
+		return name;
+	}
+
+	// if we have an ID attribute, use it
+	if (element->getID())
+	{
+		return std::string(element->getID());
+	}
+
+	// if we have a parent, use it
+	daeElement* parent = element->getParent();
+	if (parent)
+	{
+		// if parent has a name, use it
+		std::string name = parent->getAttribute("name");
+		if (name.length())
+		{
+			return name;
+		}
+
+		// if parent has an ID, use it
+		if (parent->getID())
+		{
+			return std::string(parent->getID());
+		}
+	}
+
+	// try to use our type
+	daeString element_name = element->getElementName();
+	if (element_name)
+	{
+		return std::string(element_name);
+	}
+
+	// if all else fails, use "object"
+	return std::string("object");
+}
+
+LLColor4 getDaeColor(daeElement* element)
+{
+	LLColor4 value;
+	domCommon_color_or_texture_type_complexType::domColor* color =
+		daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(element->getDescendant("color"));
+	if (color)
+	{
+		domFx_color_common domfx_color = color->getValue();
+		value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);
+	}
+
+	return value;
+}
+
+LLTextureEntry profileToTextureEntry(domProfile_COMMON* material)
+{
+	LLTextureEntry te;
+
+	te.setID(LLUUID("5748decc-f629-461c-9a36-a35a221fe21f")); // blank texture
+	daeElement* diffuse = material->getDescendant("diffuse");
+	if (diffuse)
+	{
+		te.setColor(LLColor3(0.1f, 0.9f, 1.0f));
+					
+		domCommon_color_or_texture_type_complexType::domTexture* texture =
+			daeSafeCast<domCommon_color_or_texture_type_complexType::domTexture>(diffuse->getDescendant("texture"));
+		if (texture)
+		{
+			domCommon_newparam_type_Array newparams = material->getNewparam_array();
+			for (S32 i = 0; i < newparams.getCount(); i++)
+			{
+				domFx_surface_common* surface = newparams[i]->getSurface();
+				if (surface)
+				{
+					domFx_surface_init_common* init = surface->getFx_surface_init_common();
+					if (init)
+					{
+						domFx_surface_init_from_common_Array init_from = init->getInit_from_array();
+
+						if (init_from.getCount() > 0)
+						{
+							daeElement* image = init_from[0]->getValue().getElement();
+							if (image)
+							{
+								LLUUID texture_asset = LLImportColladaAssetCache::getInstance()->getAssetForDaeElement(image);
+
+								if (texture_asset.notNull())
+								{
+									te.setID(texture_asset);
+									te.setColor(LLColor3(1,1,1));
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		
+		domCommon_color_or_texture_type_complexType::domColor* color =
+			daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(diffuse->getDescendant("color"));
+		if (color)
+		{
+			domFx_color_common domfx_color = color->getValue();
+			LLColor4 value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);
+			te.setColor(value);
+		}
+	}
+
+	daeElement* emission = material->getDescendant("emission");
+	if (emission)
+	{
+		LLColor4 emission_color = getDaeColor(emission);
+		if (((emission_color[0] + emission_color[1] + emission_color[2]) / 3.0) > 0.25)
+		{
+			te.setFullbright(TRUE);
+		}
+	}
+
+	return te;
+}
+
+std::vector<LLTextureEntry> getMaterials(LLModel* model, domInstance_geometry* instance_geo)
+{
+	std::vector<LLTextureEntry> texture_entries;
+	for (int i = 0; i < model->mMaterialList.size(); i++)
+	{
+		LLTextureEntry texture_entry;
+
+		domInstance_material* instance_mat = NULL;
+
+		domBind_material::domTechnique_common* technique =
+			daeSafeCast<domBind_material::domTechnique_common>(instance_geo->getDescendant(daeElement::matchType(domBind_material::domTechnique_common::ID())));
+
+		if (technique)
+		{
+			daeTArray< daeSmartRef<domInstance_material> > inst_materials = technique->getChildrenByType<domInstance_material>();
+			for (int j = 0; j < inst_materials.getCount(); j++)
+			{
+				std::string symbol(inst_materials[j]->getSymbol());
+
+				if (symbol == model->mMaterialList[i]) // found the binding
+				{
+					instance_mat = inst_materials[j];
+				}
+			}
+		}
+
+		if (instance_mat)
+		{
+			domMaterial* material = daeSafeCast<domMaterial>(instance_mat->getTarget().getElement());
+			if (material)
+			{
+				domInstance_effect* instance_effect =
+					daeSafeCast<domInstance_effect>(material->getDescendant(daeElement::matchType(domInstance_effect::ID())));
+				if (instance_effect)
+				{
+					domEffect* effect = daeSafeCast<domEffect>(instance_effect->getUrl().getElement());
+					if (effect)
+					{
+						domProfile_COMMON* profile =
+							daeSafeCast<domProfile_COMMON>(effect->getDescendant(daeElement::matchType(domProfile_COMMON::ID())));
+						if (profile)
+						{
+							texture_entry = profileToTextureEntry(profile);
+						}
+					}
+				}
+			}
+		}
+		
+		texture_entries.push_back(texture_entry);
+	}
+
+	return texture_entries;
+}
+
+LLTextureEntry instanceGeoToTextureEntry(domInstance_geometry* instance_geo)
+{
+	LLTextureEntry te;
+	domInstance_material* instance_mat = 
+		daeSafeCast<domInstance_material>(instance_geo->getDescendant(daeElement::matchType(domInstance_material::ID())));
+	if (instance_mat)
+	{
+	}
+
+	return te;
+}
+
+
+
+// responder for asset uploads
+// does all the normal stuff followed by a notification to continue importing
+// WARNING - currently unused - TODO
+class LLColladaNewAgentInventoryResponder : public LLNewAgentInventoryResponder
+{
+	LLColladaNewAgentInventoryResponder(const LLSD& post_data,
+										const LLUUID& vfile_id,
+										LLAssetType::EType asset_type)
+	    : LLNewAgentInventoryResponder(post_data, vfile_id, asset_type)
+	{
+	}
+	LLColladaNewAgentInventoryResponder(const LLSD& post_data,
+										const std::string& file_name,
+										LLAssetType::EType asset_type)
+	    : LLNewAgentInventoryResponder(post_data, file_name, asset_type)
+	{
+	}
+
+	virtual void uploadComplete(const LLSD& content)
+	{
+		LLNewAgentInventoryResponder::uploadComplete(content);
+	}
+	
+};
+
+BOOL LLImportColladaAssetCache::uploadImageAsset(domImage* image)
+{
+	// we only support init_from now - embedded data will come later
+	domImage::domInit_from* init = image->getInit_from();
+	if (!init)
+	{
+		return FALSE;
+	}
+
+	std::string filename = cdom::uriToNativePath(init->getValue().str());
+
+	std::string name = getElementLabel(image);
+	
+	LLUUID transaction_id = upload_new_resource(filename, name, std::string(),
+												0, LLFolderType::FT_TEXTURE, LLInventoryType::IT_TEXTURE,
+												LLFloaterPerms::getNextOwnerPerms(), LLFloaterPerms::getGroupPerms(),
+												LLFloaterPerms::getEveryonePerms(),
+												name, NULL,
+												LLGlobalEconomy::Singleton::getInstance()->getPriceUpload(), NULL);
+
+	if (transaction_id.isNull())
+	{
+		llwarns << "cannot upload " << filename << llendl;
+		
+		return FALSE;
+	}
+
+	mTransactionMap[transaction_id] = image;
+
+	LLFloaterReg::findTypedInstance<LLFloaterImportCollada>("import_collada")->setStatusAssetUploading(name);
+	
+	return TRUE;
+}
+
+
+
+//
+// asset cache -
+// uploads assets and provides a map from collada element to asset
+//
+
+
+
+BOOL LLImportColladaAssetCache::uploadMeshAsset(domMesh* mesh)
+{
+	LLPointer<LLModel> model = LLModel::loadModelFromDomMesh(mesh);
+
+	if (model->getNumVolumeFaces() == 0)
+	{
+		return FALSE;
+	}
+
+	// generate LODs
+	
+	
+	std::vector<LLPointer<LLModel> > lods;
+	lods.push_back(model);
+	S32 triangle_count = model->getNumTriangles();
+
+	for (S32 i = 0; i < 4; i++)
+	{
+		LLPointer<LLModel> last_model = lods.back();
+
+		S32 triangle_target = (S32)(triangle_count / pow(3.f, i + 1));
+		if (triangle_target > 16)
+		{
+			LLMeshReduction reduction;
+			LLPointer<LLModel> new_model = reduction.reduce(model, triangle_target, LLMeshReduction::TRIANGLE_BUDGET);
+			lods.push_back(new_model);
+		}
+		else
+		{
+			lods.push_back(last_model);
+		}
+	}
+	
+    // write model to temp file
+
+	std::string filename = gDirUtilp->getTempFilename();
+	LLModel::writeModel(filename,
+						lods[4],
+						lods[0],
+						lods[1],
+						lods[2],
+		                lods[3],
+						lods[4]->mPhysicsShape);
+
+
+	// copy file to VFS
+
+	LLTransactionID tid;
+	tid.generate();
+	LLAssetID uuid = tid.makeAssetID(gAgent.getSecureSessionID());  // create asset uuid
+
+	S32 file_size;
+	LLAPRFile infile ;
+	infile.open(filename, LL_APR_RB, NULL, &file_size);
+
+	if (infile.getFileHandle())
+	{
+		LLVFile file(gVFS, uuid, LLAssetType::AT_MESH, LLVFile::WRITE);
+
+		file.setMaxSize(file_size);
+
+		const S32 buf_size = 65536;
+		U8 copy_buf[buf_size];
+		while ((file_size = infile.read(copy_buf, buf_size)))
+		{
+			file.write(copy_buf, file_size);
+		}
+	}
+
+	
+	std::string name = getElementLabel(mesh);
+	
+	upload_new_resource(tid, LLAssetType::AT_MESH, name, std::string(), 0,LLFolderType::FT_MESH, LLInventoryType::IT_MESH,
+						LLFloaterPerms::getNextOwnerPerms(), LLFloaterPerms::getGroupPerms(), LLFloaterPerms::getEveryonePerms(),
+						name, NULL,
+						LLGlobalEconomy::Singleton::getInstance()->getPriceUpload(), NULL);
+
+	LLFile::remove(filename);
+
+	mTransactionMap[uuid] = mesh;
+
+	LLFloaterReg::findTypedInstance<LLFloaterImportCollada>("import_collada")->setStatusAssetUploading(name);
+
+	return TRUE;
+}
+
+
+// called by the mesh asset upload responder to indicate the mesh asset has been uploaded
+void LLImportColladaAssetCache::assetUploaded(LLUUID transaction_uuid, LLUUID asset_uuid, BOOL success)
+{
+	std::map<LLUUID, daeElement*>::iterator i = mTransactionMap.find(transaction_uuid);
+
+	if (i != mTransactionMap.end())
+	{
+		daeElement* element = i->second;
+			
+
+		if (success)
+		{
+			mAssetMap[element] = asset_uuid;
+		}
+		else // failure
+		{
+			// if failed, put back on end of queue
+			mUploadsPending.push_back(element);
+		}
+		
+		mUploads--;
+		uploadNextAsset();
+	}
+}
+
+const S32 MAX_CONCURRENT_UPLOADS = 5;
+
+void LLImportColladaAssetCache::uploadNextAsset()
+{
+	while ((mUploadsPending.size() > 0) && (mUploads < MAX_CONCURRENT_UPLOADS))
+	{
+		BOOL upload_started = FALSE;
+
+		daeElement* element = mUploadsPending.back();
+		mUploadsPending.pop_back();
+
+		domImage* image = daeSafeCast<domImage>(element);
+		if (image)
+		{
+			upload_started = uploadImageAsset(image);
+		}
+		
+		domMesh* mesh = daeSafeCast<domMesh>(element);
+		if (mesh)
+		{
+			upload_started = uploadMeshAsset(mesh);
+		}
+
+		if (upload_started)
+		{
+			mUploads++;
+		}
+
+	}
+
+	if ((mUploadsPending.size() == 0) && (mUploads == 0))
+	{
+		// we're done! notify the importer
+		LLImportCollada::getInstance()->assetsUploaded();
+	}
+
+	updateCount();
+}
+
+
+void LLImportColladaAssetCache::clear()
+{
+	mDAE = NULL;
+	mTransactionMap.clear();
+	mAssetMap.clear();
+	mUploadsPending.clear();
+	mUploads = 0;
+}
+
+void LLImportColladaAssetCache::endImport()
+{
+	clear();
+}
+
+void LLImportColladaAssetCache::updateCount()
+{
+	S32 mesh_count = 0;
+	S32 image_count = 0;
+
+	for (S32 i = 0; i < mUploadsPending.size(); i++)
+	{
+		daeElement* element = mUploadsPending[i];
+
+		if (daeSafeCast<domMesh>(element))
+		{
+			mesh_count++;
+		}
+
+		if (daeSafeCast<domImage>(element))
+		{
+			image_count++;
+		}
+	}
+	
+	LLFloaterReg::findTypedInstance<LLFloaterImportCollada>("import_collada")->setAssetCount(mesh_count, image_count);
+}
+
+void LLImportColladaAssetCache::prepareForUpload(DAE* dae)
+{
+	clear();
+	mDAE = dae;
+
+	daeDatabase* db = mDAE->getDatabase();
+
+	S32 mesh_count = db->getElementCount(NULL, COLLADA_TYPE_MESH);
+	for (S32 i = 0; i < mesh_count; i++)
+	{
+		domMesh* mesh = NULL;
+
+		db->getElement((daeElement**) &mesh, i, NULL, COLLADA_TYPE_MESH);
+
+		mUploadsPending.push_back(mesh);
+	}
+
+	
+	S32 image_count = db->getElementCount(NULL, COLLADA_TYPE_IMAGE);
+	for (S32 i = 0; i < image_count; i++)
+	{
+		domImage* image = NULL;
+		db->getElement((daeElement**) &image, i, NULL, COLLADA_TYPE_IMAGE);
+		
+		mUploadsPending.push_back(image);
+	}
+
+	updateCount();
+}
+
+
+void LLImportColladaAssetCache::uploadAssets()
+{
+	uploadNextAsset();
+}
+
+
+LLUUID LLImportColladaAssetCache::getAssetForDaeElement(daeElement* element)
+{
+	LLUUID id;
+	
+	std::map<daeElement*, LLUUID>::iterator i = mAssetMap.find(element);
+	if (i != mAssetMap.end())
+	{
+		id = i->second;
+	}
+
+	return id;
+}
+
+
+//
+// importer
+//
+
+
+
+LLImportCollada::LLImportCollada()
+{
+	mIsImporting = FALSE;
+}
+
+
+
+
+void LLImportCollada::appendObjectAsset(domInstance_geometry* instance_geo)
+{
+	domGeometry* geo = daeSafeCast<domGeometry>(instance_geo->getUrl().getElement());
+	if (!geo)
+	{
+		llwarns << "cannot find geometry" << llendl;
+		return;
+	}
+	
+	domMesh* mesh = daeSafeCast<domMesh>(geo->getDescendant(daeElement::matchType(domMesh::ID())));
+	if (!mesh)
+	{
+		llwarns << "could not find mesh" << llendl;
+		return;
+	}
+	
+	LLUUID mesh_asset = LLImportColladaAssetCache::getInstance()->getAssetForDaeElement(mesh);
+	if (mesh_asset.isNull())
+	{
+		llwarns << "no mesh asset, skipping" << llendl;
+		return;
+	}
+
+	// load the model
+	LLModel* model = LLModel::loadModelFromDomMesh(mesh);
+
+
+
+	
+	// get our local transformation
+	LLMatrix4 transformation = mStack.front().transformation;
+
+	// adjust the transformation to compensate for mesh normalization
+	LLVector3 mesh_scale_vector;
+	LLVector3 mesh_translation_vector;
+	model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+	LLMatrix4 mesh_translation;
+	mesh_translation.setTranslation(mesh_translation_vector);
+	transformation = matrix_multiply(mesh_translation, transformation);
+	LLMatrix4 mesh_scale;
+	mesh_scale.initScale(mesh_scale_vector);
+	transformation = matrix_multiply(mesh_scale, transformation);
+
+	// check for reflection
+	BOOL reflected = (transformation.determinant() < 0);
+	
+	// compute position
+	LLVector3 position = LLVector3(0, 0, 0) * transformation;
+
+	// compute scale
+	LLVector3 x_transformed = LLVector3(1, 0, 0) * transformation - position;
+	LLVector3 y_transformed = LLVector3(0, 1, 0) * transformation - position;
+	LLVector3 z_transformed = LLVector3(0, 0, 1) * transformation - position;
+	F32 x_length = x_transformed.normalize();
+	F32 y_length = y_transformed.normalize();
+	F32 z_length = z_transformed.normalize();
+	LLVector3 scale = LLVector3(x_length, y_length, z_length);
+
+	// adjust for "reflected" geometry
+	LLVector3 x_transformed_reflected = x_transformed;
+	if (reflected)
+	{
+		x_transformed_reflected *= -1.0;
+	}
+	
+	// compute rotation
+	LLMatrix3 rotation_matrix;
+	rotation_matrix.setRows(x_transformed_reflected, y_transformed, z_transformed);
+	LLQuaternion quat_rotation = rotation_matrix.quaternion();
+	quat_rotation.normalize(); // the rotation_matrix might not have been orthoginal.  make it so here.
+	LLVector3 euler_rotation;
+	quat_rotation.getEulerAngles(&euler_rotation.mV[VX], &euler_rotation.mV[VY], &euler_rotation.mV[VZ]);
+
+	
+	//
+	// build parameter block to construct this prim
+	//
+	
+	LLSD object_params;
+
+    // create prim
+
+	// set volume params
+	LLVolumeParams  volume_params;
+	volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE );
+	volume_params.setBeginAndEndS( 0.f, 1.f );
+	volume_params.setBeginAndEndT( 0.f, 1.f );
+	volume_params.setRatio  ( 1, 1 );
+	volume_params.setShear  ( 0, 0 );
+	U8 sculpt_type = LL_SCULPT_TYPE_MESH;
+	if (reflected)
+	{
+		sculpt_type |= LL_SCULPT_FLAG_MIRROR;
+	}
+	volume_params.setSculptID(mesh_asset, sculpt_type);
+	object_params["shape"] = volume_params.asLLSD();
+
+	object_params["material"] = LL_MCODE_WOOD;
+
+	object_params["group-id"] = gAgent.getGroupID();
+	object_params["pos"] = ll_sd_from_vector3(position);
+	object_params["rotation"] = ll_sd_from_quaternion(quat_rotation);
+	object_params["scale"] = ll_sd_from_vector3(scale);
+	object_params["name"] = mStack.front().name;
+
+	// load material from dae file
+	std::vector<LLTextureEntry> texture_entries = getMaterials(model, instance_geo);
+	object_params["facelist"] = LLSD::emptyArray();
+	for (int i = 0; i < texture_entries.size(); i++)
+	{
+		object_params["facelist"][i] = texture_entries[i].asLLSD();
+	}
+
+	// set extra parameters
+	LLSculptParams sculpt_params;
+	sculpt_params.setSculptTexture(mesh_asset);
+	sculpt_params.setSculptType(sculpt_type);
+	U8 buffer[MAX_OBJECT_PARAMS_SIZE+1];
+	LLDataPackerBinaryBuffer dp(buffer, MAX_OBJECT_PARAMS_SIZE);
+	sculpt_params.pack(dp);
+	std::vector<U8> v(dp.getCurrentSize());
+	memcpy(&v[0], buffer, dp.getCurrentSize());
+	LLSD extra_parameter;
+	extra_parameter["extra_parameter"] = sculpt_params.mType;
+	extra_parameter["param_data"] = v;
+	object_params["extra_parameters"].append(extra_parameter);
+
+	mObjectList.append(object_params);
+	
+	delete model;
+
+	LLFloaterReg::findTypedInstance<LLFloaterImportCollada>("import_collada")->setStatusCreatingPrim(mStack.front().name);
+	
+	return;
+}
+
+void LLImportCollada::uploadObjectAsset()
+{
+	LLSD request;
+	request["objects"] = mObjectList;
+	
+	std::string url = gAgent.getRegion()->getCapability("UploadObjectAsset");
+	LLHTTPClient::post(url, request, new LLHTTPClient::Responder());
+}
+
+
+
+void LLImportCollada::importFile(std::string filename)
+{
+	if (mIsImporting)
+	{
+		llwarns << "Importer already running, import command for " << filename << " ignored" << llendl;
+		return;
+	}
+
+	LLFloaterReg::showInstance("import_collada");
+	LLFloaterReg::findTypedInstance<LLFloaterImportCollada>("import_collada")->enableOK(TRUE);
+
+	
+	mIsImporting = TRUE;
+	mDAE = new DAE;
+	mImportOrigin = gAgent.getPositionAgent() + LLVector3(0, 0, 2);
+	mSceneTransformation = LLMatrix4();  // identity
+	mFilename = filename;
+	mCreates = 0;
+	mObjectList = LLSD::emptyArray();
+	
+	if (mDAE->open(mFilename) == NULL)
+	{
+		llwarns << "cannot open file " << mFilename << llendl;
+		endImport();
+		return;
+	}
+
+	LLImportColladaAssetCache::getInstance()->prepareForUpload(mDAE);
+
+	return;
+}
+
+
+void LLImportCollada::assetsUploaded()
+{
+	if (!mIsImporting)
+	{
+		// weird, we got a callback while not importing.
+		return;
+	}
+	
+	daeDocument* doc = mDAE->getDoc(mFilename);
+	if (!doc)
+	{
+		llwarns << "can't find internal doc" << llendl;
+		endImport();
+	}
+	
+	daeElement* root = doc->getDomRoot();
+	if (!root)
+	{
+		llwarns << "document has no root" << llendl;
+		endImport();
+	}
+
+	domAsset::domUnit* unit = daeSafeCast<domAsset::domUnit>(root->getDescendant(daeElement::matchType(domAsset::domUnit::ID())));
+	if (unit)
+	{
+		mSceneTransformation *= unit->getMeter();
+	}
+
+	domUpAxisType up = UPAXISTYPE_Y_UP;  // default is Y_UP
+	domAsset::domUp_axis* up_axis =
+		daeSafeCast<domAsset::domUp_axis>(root->getDescendant(daeElement::matchType(domAsset::domUp_axis::ID())));
+	if (up_axis)
+	{
+		up = up_axis->getValue();
+	}
+	
+	if (up == UPAXISTYPE_X_UP)
+	{
+		LLMatrix4 rotation;
+		rotation.initRotation(0.0f, 90.0f * DEG_TO_RAD, 0.0f);
+
+		mSceneTransformation = matrix_multiply(rotation, mSceneTransformation);
+	}
+	else if (up == UPAXISTYPE_Y_UP)
+	{
+		LLMatrix4 rotation;
+		rotation.initRotation(90.0f * DEG_TO_RAD, 0.0f, 0.0f);
+
+		mSceneTransformation = matrix_multiply(rotation, mSceneTransformation);
+	}
+    // else Z_UP, which is our behavior
+
+	
+
+	daeElement* scene = root->getDescendant("visual_scene");
+	if (!scene)
+	{
+		llwarns << "document has no visual_scene" << llendl;
+		endImport();
+	}
+
+	processElement(scene);
+	processNextElement();
+}
+
+void LLImportCollada::pushStack(daeElement* next_element, std::string name, LLMatrix4 transformation)
+{
+	struct StackState new_state;
+
+	new_state.next_element = next_element;
+	new_state.name = name;
+	new_state.transformation = transformation;
+
+	mStack.push_front(new_state);
+}
+
+
+
+void LLImportCollada::popStack()
+{
+	mStack.pop_front();
+}
+
+
+
+BOOL LLImportCollada::processElement(daeElement* element)
+{
+	if (mStack.size() > 0)
+	{
+		mStack.front().next_element = getNextSibling(element);
+	}
+	
+	domTranslate* translate = daeSafeCast<domTranslate>(element);
+	if (translate)
+	{
+		domFloat3 dom_value = translate->getValue();
+
+		LLMatrix4 translation;
+		translation.setTranslation(LLVector3(dom_value[0], dom_value[1], dom_value[2]));
+
+		mStack.front().transformation = matrix_multiply(translation, mStack.front().transformation);
+	}
+
+	domRotate* rotate = daeSafeCast<domRotate>(element);
+	if (rotate)
+	{
+		domFloat4 dom_value = rotate->getValue();
+
+		LLMatrix4 rotation;
+		rotation.initRotTrans(dom_value[3] * DEG_TO_RAD, LLVector3(dom_value[0], dom_value[1], dom_value[2]), LLVector3(0, 0, 0));
+
+		mStack.front().transformation = matrix_multiply(rotation, mStack.front().transformation);
+	}
+
+	domScale* scale = daeSafeCast<domScale>(element);
+	if (scale)
+	{
+		domFloat3 dom_value = scale->getValue();
+
+		LLMatrix4 scaling;
+		scaling.initScale(LLVector3(dom_value[0], dom_value[1], dom_value[2]));
+
+		mStack.front().transformation = matrix_multiply(scaling, mStack.front().transformation);
+	}
+
+	domMatrix* matrix = daeSafeCast<domMatrix>(element);
+	if (matrix)
+	{
+		domFloat4x4 dom_value = matrix->getValue();
+
+		LLMatrix4 matrix_transform;
+
+		for (int i = 0; i < 4; i++)
+			for(int j = 0; j < 4; j++)
+			{
+				matrix_transform.mMatrix[i][j] = dom_value[i + j*4];
+			}
+		
+		mStack.front().transformation = matrix_multiply(matrix_transform, mStack.front().transformation);
+	}
+
+	domInstance_geometry* instance_geo = daeSafeCast<domInstance_geometry>(element);
+	if (instance_geo)
+	{
+		appendObjectAsset(instance_geo);
+	}
+
+	domNode* node = daeSafeCast<domNode>(element);
+	if (node)
+	{
+		pushStack(getFirstChild(element), getElementLabel(element), mStack.front().transformation);
+	}
+
+	domInstance_node* instance_node = daeSafeCast<domInstance_node>(element);
+	if (instance_node)
+	{
+		daeElement* instance = instance_node->getUrl().getElement();
+		if (instance)
+		{
+			pushStack(getFirstChild(instance), getElementLabel(instance), mStack.front().transformation);
+		}
+	}
+
+	domVisual_scene* scene = daeSafeCast<domVisual_scene>(element);
+	if (scene)
+	{
+		pushStack(getFirstChild(element), std::string("scene"), mSceneTransformation);
+	}
+
+	return FALSE;
+}
+
+
+void LLImportCollada::processNextElement()
+{
+	while(1)
+	{
+		if (mStack.size() == 0)
+		{
+			uploadObjectAsset();
+			endImport();
+			return;
+		}
+
+		daeElement *element = mStack.front().next_element;
+
+		if (element == NULL)
+		{
+			popStack();
+		}
+		else
+		{
+			processElement(element);
+		}
+	}
+}
+
+
+void LLImportCollada::endImport()
+{
+	LLFloaterReg::hideInstance("import_collada");
+
+	LLImportColladaAssetCache::getInstance()->endImport();
+	
+	if (mDAE)
+	{
+		delete mDAE;
+		mDAE = NULL;
+	}
+	
+	mIsImporting = FALSE;
+}
+
+
+/* static */
+void LLImportCollada::onCommitOK(LLUICtrl*, void*)
+{
+	LLFloaterReg::findTypedInstance<LLFloaterImportCollada>("import_collada")->enableOK(FALSE);
+
+	LLImportColladaAssetCache::getInstance()->uploadAssets();
+}
+
+
+/* static */
+void LLImportCollada::onCommitCancel(LLUICtrl*, void*)
+{
+	getInstance()->endImport();
+}
+
+#endif
diff --git a/indra/newview/llfloaterimportcollada.h b/indra/newview/llfloaterimportcollada.h
new file mode 100644
index 0000000000..818b19e403
--- /dev/null
+++ b/indra/newview/llfloaterimportcollada.h
@@ -0,0 +1,143 @@
+/** 
+ * @file llfloaterimportcollada.h
+ * @brief The about box from Help -> About
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLFLOATERIMPORTCOLLADA_H
+#define LL_LLFLOATERIMPORTCOLLADA_H
+
+#include "llfloater.h"
+#include "llvolume.h" //for LL_MESH_ENABLED
+
+#if LL_MESH_ENABLED
+
+class LLFloaterImportCollada : public LLFloater
+{
+public:
+	LLFloaterImportCollada(const LLSD& key);
+	/* virtual */ BOOL postBuild();
+
+	void setAssetCount(S32 mesh_count, S32 texture_count);
+	void setStatusAssetUploading(std::string asset_name);
+	void setStatusCreatingPrim(std::string prim_name);
+	void setStatusIdle();
+	void enableOK(BOOL enable);
+};
+
+class LLViewerObject;
+class DAE;
+class daeElement;
+class domMesh;
+class domImage;
+class domInstance_geometry;
+class LLModel;
+class LLImportCollada;
+
+class LLImportColladaAssetCache : public LLSingleton<LLImportColladaAssetCache>
+{
+public:
+	// called first to initialize 
+	void prepareForUpload(DAE* dae);
+
+	// upload the assets in this collada file
+	void uploadAssets();
+
+	// get the uploaded assets which corresponds to this element
+	LLUUID getAssetForDaeElement(daeElement* element);
+
+	// stop the upload
+	void endImport();
+	
+	// reset
+	void clear();
+
+	// callback for notification when an asset has been uploaded
+	void assetUploaded(LLUUID transaction_uuid, LLUUID asset_uuid, BOOL success);
+
+private:
+	void uploadNextAsset();
+	BOOL uploadMeshAsset(domMesh* mesh);
+	BOOL uploadImageAsset(domImage* image);
+	void updateCount();
+	
+	std::vector<daeElement*> mUploadsPending;
+	std::map<LLUUID, daeElement*> mTransactionMap;
+	std::map<daeElement*, LLUUID> mAssetMap;
+	
+	DAE* mDAE;
+	S32 mUploads;
+};
+
+
+class LLImportCollada 
+: public LLSingleton<LLImportCollada>
+{
+public:
+	LLImportCollada();
+	void importFile(std::string filename);
+
+	// callback when all assets have been uploaded
+	void assetsUploaded();
+
+	// callback when buttons pressed
+	static void onCommitOK(LLUICtrl*, void*);
+	static void onCommitCancel(LLUICtrl*, void*);
+	
+	
+private:
+	void endImport();
+	void processNextElement();
+	BOOL processElement(daeElement* element);
+	void pushStack(daeElement* next_element, std::string name, LLMatrix4 transformation);
+	void popStack();
+	void appendObjectAsset(domInstance_geometry* instance_geo);
+	void uploadObjectAsset();
+	
+	struct StackState
+	{
+		daeElement* next_element;
+		std::string name;
+		LLMatrix4 transformation;
+	};
+
+	std::list<struct StackState> mStack;
+	S32 mCreates;
+	LLVector3 mImportOrigin;
+	std::string mFilename;
+	BOOL mIsImporting;
+	DAE  *mDAE;
+	LLSD mObjectList;
+	
+	LLMatrix4   mSceneTransformation;
+};
+
+#endif
+
+#endif // LL_LLFLOATERIMPORTCOLLADA_H
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
new file mode 100644
index 0000000000..5dd983d818
--- /dev/null
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -0,0 +1,3382 @@
+/** 
+ * @file llfloatermodelpreview.cpp
+ * @brief LLFloaterModelPreview class implementation
+ *
+ * $LicenseInfo:firstyear=2004&license=viewergpl$
+ * 
+ * Copyright (c) 2004-2007, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "dae.h"
+//#include "dom.h"
+#include "dom/domAsset.h"
+#include "dom/domBind_material.h"
+#include "dom/domCOLLADA.h"
+#include "dom/domConstants.h"
+#include "dom/domController.h"
+#include "dom/domEffect.h"
+#include "dom/domGeometry.h"
+#include "dom/domInstance_geometry.h"
+#include "dom/domInstance_material.h"
+#include "dom/domInstance_node.h"
+#include "dom/domInstance_effect.h"
+#include "dom/domMaterial.h"
+#include "dom/domMatrix.h"
+#include "dom/domNode.h"
+#include "dom/domProfile_COMMON.h"
+#include "dom/domRotate.h"
+#include "dom/domScale.h"
+#include "dom/domTranslate.h"
+#include "dom/domVisual_scene.h"
+
+#include "llfloatermodelpreview.h"
+
+#include "llfilepicker.h"
+#include "llimagebmp.h"
+#include "llimagetga.h"
+#include "llimagejpeg.h"
+#include "llimagepng.h"
+
+#include "llagent.h"
+#include "llbutton.h"
+#include "llcombobox.h"
+#include "lldatapacker.h"
+#include "lldrawable.h"
+#include "lldrawpoolavatar.h"
+#include "llrender.h"
+#include "llface.h"
+#include "lleconomy.h"
+#include "llfocusmgr.h"
+#include "llfloaterperms.h"
+#include "llmatrix4a.h"
+#include "llmeshrepository.h"
+#include "llsdutil_math.h"
+#include "lltextbox.h"
+#include "lltoolmgr.h"
+#include "llui.h"
+#include "llvector4a.h"
+#include "llviewercamera.h"
+#include "llviewerwindow.h"
+#include "llvoavatar.h"
+#include "llvoavatarself.h"
+#include "pipeline.h"
+#include "lluictrlfactory.h"
+#include "llviewermenufile.h"
+#include "llviewerregion.h"
+#include "llstring.h"
+#include "llbutton.h"
+#include "llcheckboxctrl.h"
+#include "llsliderctrl.h"
+#include "llspinctrl.h"
+#include "llvfile.h"
+#include "llvfs.h"
+
+
+#include "glod/glod.h"
+
+
+#if LL_MESH_ENABLED
+
+//static
+S32 LLFloaterModelPreview::sUploadAmount = 10;
+LLFloaterModelPreview* LLFloaterModelPreview::sInstance = NULL;
+
+const S32 PREVIEW_BORDER_WIDTH = 2;
+const S32 PREVIEW_RESIZE_HANDLE_SIZE = S32(RESIZE_HANDLE_WIDTH * OO_SQRT2) + PREVIEW_BORDER_WIDTH;
+const S32 PREVIEW_HPAD = PREVIEW_RESIZE_HANDLE_SIZE;
+const S32 PREF_BUTTON_HEIGHT = 16 + 7 + 16;
+const S32 PREVIEW_TEXTURE_HEIGHT = 300;
+
+void drawBoxOutline(const LLVector3& pos, const LLVector3& size);
+
+std::string limit_name[] =
+{
+	"lowest limit",
+	"low limit",
+	"medium limit",
+	"high limit",
+	"physics limit",
+
+	"I went off the end of the limit_name array.  Me so smart."
+};
+
+std::string info_name[] =
+{
+	"lowest info",
+	"low info",
+	"medium info",
+	"high info",
+	"physics info",
+
+	"I went off the end of the info_name array.  Me so smart."
+};
+
+bool validate_face(const LLVolumeFace& face)
+{
+	for (U32 i = 0; i < face.mNumIndices; ++i)
+	{
+		if (face.mIndices[i] >= face.mNumVertices)
+		{
+			llwarns << "Face has invalid index." << llendl;
+			return false;
+		}
+	}
+
+	return true;
+}
+
+bool validate_model(const LLModel* mdl)
+{
+	if (mdl->getNumVolumeFaces() == 0)
+	{
+		llwarns << "Model has no faces!" << llendl;
+		return false;
+	}
+	
+	for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
+	{
+		if (mdl->getVolumeFace(i).mNumVertices == 0)
+		{
+			llwarns << "Face has no vertices." << llendl;
+			return false;
+		}
+
+		if (mdl->getVolumeFace(i).mNumIndices == 0)
+		{
+			llwarns << "Face has no indices." << llendl;
+			return false;
+		}
+
+		if (!validate_face(mdl->getVolumeFace(i)))
+		{
+			return false;
+		}
+	}
+
+	return true;
+}
+
+BOOL stop_gloderror()
+{
+	GLuint error = glodGetError();
+
+	if (error != GLOD_NO_ERROR)
+	{
+		llwarns << "GLOD error detected, cannot generate LOD: " << std::hex << error << llendl;
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+LLPhysicsDecompFloater::LLPhysicsDecompFloater(LLSD& key)
+: LLFloater(key)
+{
+
+}
+
+LLPhysicsDecompFloater::~LLPhysicsDecompFloater()
+{
+	if (LLFloaterModelPreview::sInstance && LLFloaterModelPreview::sInstance->mDecompFloater)
+	{
+		LLFloaterModelPreview::sInstance->mDecompFloater = NULL;
+	}
+}
+
+class LLMeshFilePicker : public LLFilePickerThread
+{
+public:
+	LLFloaterModelPreview* mFMP;
+	S32 mLOD;
+
+	LLMeshFilePicker(LLFloaterModelPreview* fmp, S32 lod)
+		: LLFilePickerThread(LLFilePicker::FFLOAD_COLLADA)
+	{
+		mFMP = fmp;
+		mLOD = lod;
+	}
+
+	virtual void notify(const std::string& filename)
+	{
+		mFMP->mModelPreview->loadModel(mFile, mLOD);
+	}
+};
+
+
+//-----------------------------------------------------------------------------
+// LLFloaterModelPreview()
+//-----------------------------------------------------------------------------
+LLFloaterModelPreview::LLFloaterModelPreview(const LLSD& key) : 
+	LLFloater(key)
+{
+	sInstance = this;
+	mLastMouseX = 0;
+	mLastMouseY = 0;
+	mGLName = 0;
+	mLoading = FALSE;
+	mDecompFloater = NULL;
+}
+
+//-----------------------------------------------------------------------------
+// postBuild()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::postBuild()
+{
+	if (!LLFloater::postBuild())
+	{
+		return FALSE;
+	}
+
+	childSetCommitCallback("high detail combo", onHighLODCommit, this);
+	childSetCommitCallback("medium detail combo", onMediumLODCommit, this);
+	childSetCommitCallback("low detail combo", onLowLODCommit, this);
+	childSetCommitCallback("lowest detail combo", onLowestLODCommit, this);
+	childSetCommitCallback("physics detail combo", onPhysicsLODCommit, this);
+
+
+	childSetCommitCallback("high limit", onHighLimitCommit, this);
+	childSetCommitCallback("medium limit", onMediumLimitCommit, this);
+	childSetCommitCallback("low limit", onLowLimitCommit, this);
+	childSetCommitCallback("lowest limit", onLowestLimitCommit, this);
+	childSetCommitCallback("physics limit", onPhysicsLimitCommit, this);
+
+	childSetCommitCallback("smooth normals", onSmoothNormalsCommit, this);
+
+	childSetCommitCallback("show edges", onShowEdgesCommit, this);
+	childSetCommitCallback("auto fill", onAutoFillCommit, this);
+
+	childSetCommitCallback("explode", onExplodeCommit, this);
+
+	childSetTextArg("status", "[STATUS]", getString("status_idle"));
+
+	for (S32 lod = 0; lod < LLModel::NUM_LODS; ++lod)
+	{
+		if (lod == LLModel::LOD_PHYSICS)
+		{
+			childSetTextArg(info_name[lod], "[HULLS]", std::string("0"));
+			childSetTextArg(info_name[lod], "[POINTS]", std::string("0"));
+		}
+		else
+		{
+			childSetTextArg(info_name[lod], "[TRIANGLES]", std::string("0"));
+			childSetTextArg(info_name[lod], "[VERTICES]", std::string("0"));
+			childSetTextArg(info_name[lod], "[SUBMESHES]", std::string("0"));
+			std::string msg = getString("required");
+			childSetTextArg(info_name[lod], "[MESSAGE]", msg);
+		}
+
+		childSetVisible(limit_name[lod], FALSE);
+	}
+
+	//childSetLabelArg("ok_btn", "[AMOUNT]", llformat("%d",sUploadAmount));
+	childSetAction("ok_btn", onUpload, this);
+
+	childSetAction("consolidate", onConsolidate, this);
+	childSetAction("scrub materials", onScrubMaterials, this);
+
+	childSetAction("decompose_btn", onDecompose, this);
+
+	childSetCommitCallback("preview_lod_combo", onPreviewLODCommit, this);
+	
+	const U32 width = 512;
+	const U32 height = 512;
+
+	mPreviewRect.set(getRect().getWidth()-PREVIEW_HPAD-width,
+				PREVIEW_HPAD+height,
+				getRect().getWidth()-PREVIEW_HPAD,
+				PREVIEW_HPAD);
+
+	mModelPreview = new LLModelPreview(512, 512, this);
+	mModelPreview->setPreviewTarget(16.f);
+	
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// LLFloaterModelPreview()
+//-----------------------------------------------------------------------------
+LLFloaterModelPreview::~LLFloaterModelPreview()
+{
+	sInstance = NULL;
+
+	delete mModelPreview;
+	
+	if (mGLName)
+	{
+		LLImageGL::deleteTextures(1, &mGLName );
+	}
+
+	if (mDecompFloater)
+	{
+		mDecompFloater->closeFloater();
+		mDecompFloater = NULL;
+	}	
+}
+
+void LLFloaterModelPreview::loadModel(S32 lod)
+{
+	mLoading = TRUE;
+
+	(new LLMeshFilePicker(this, lod))->getFile();
+}
+
+void LLFloaterModelPreview::setLODMode(S32 lod, S32 mode)
+{
+	if (mode == 0)
+	{
+		loadModel(lod);
+	}
+	else if (mode != mModelPreview->mLODMode[lod])
+	{
+		mModelPreview->mLODMode[lod] = mode;
+		mModelPreview->genLODs(lod);
+	}
+
+	mModelPreview->setPreviewLOD(lod);
+	
+	
+	LLSpinCtrl* lim = getChild<LLSpinCtrl>(limit_name[lod], TRUE);
+
+	if (mode == 1) //triangle count
+	{
+		U32 tri_count = 0;
+		for (LLModelLoader::model_list::iterator iter = mModelPreview->mBaseModel.begin();
+				iter != mModelPreview->mBaseModel.end(); ++iter)
+		{
+			tri_count += (*iter)->getNumTriangles();
+		}
+
+		lim->setMaxValue(tri_count);
+		lim->setVisible(TRUE);
+	}
+	else
+	{
+		lim->setVisible(FALSE);
+	}
+}
+
+void LLFloaterModelPreview::setLimit(S32 lod, S32 limit)
+{
+	if (limit != mModelPreview->mLimit[lod])
+	{
+		mModelPreview->mLimit[lod] = limit;
+		mModelPreview->genLODs(lod);
+		mModelPreview->setPreviewLOD(lod);
+	}
+}
+
+void LLFloaterModelPreview::onPreviewLODCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;
+	
+	if (!fp->mModelPreview)
+	{
+		return;
+	}
+
+	S32 which_mode = 0;
+
+	LLCtrlSelectionInterface* iface = fp->childGetSelectionInterface("preview_lod_combo");
+	if (iface)
+	{
+		which_mode = iface->getFirstSelectedIndex();
+	}
+	fp->mModelPreview->setPreviewLOD(which_mode);
+}
+
+//static 
+void LLFloaterModelPreview::setLODMode(S32 lod, void* userdata)
+{
+	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;
+	
+	if (!fp->mModelPreview)
+	{
+		return;
+	}
+
+	S32 which_mode = 0;
+
+	std::string combo_name[] =
+	{
+		"lowest detail combo",
+		"low detail combo",
+		"medium detail combo",
+		"high detail combo",
+		"physics detail combo",
+
+		"I went off the end of the combo_name array.  Me so smart."
+	};
+
+	LLCtrlSelectionInterface* iface = fp->childGetSelectionInterface(combo_name[lod]);
+	if (iface)
+	{
+		which_mode = iface->getFirstSelectedIndex();
+	}
+
+	fp->setLODMode(lod, which_mode);
+}
+
+//static 
+void LLFloaterModelPreview::onHighLODCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLODMode(3, userdata);
+}
+
+//static 
+void LLFloaterModelPreview::onMediumLODCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLODMode(2, userdata);
+}
+
+//static 
+void LLFloaterModelPreview::onLowLODCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLODMode(1, userdata);
+}
+
+//static 
+void LLFloaterModelPreview::onLowestLODCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLODMode(0, userdata);
+}
+
+//static 
+void LLFloaterModelPreview::onPhysicsLODCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLODMode(4, userdata);
+}
+
+//static 
+void LLFloaterModelPreview::setLimit(S32 lod, void* userdata)
+{
+	LLFloaterModelPreview *fp =(LLFloaterModelPreview *)userdata;
+	
+	if (!fp->mModelPreview)
+	{
+		return;
+	}
+
+	S32 limit = fp->childGetValue(limit_name[lod]).asInteger();
+
+	
+	fp->setLimit(lod, limit);
+}
+
+//static 
+void LLFloaterModelPreview::onHighLimitCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLimit(3, userdata);
+}
+
+//static 
+void LLFloaterModelPreview::onMediumLimitCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLimit(2, userdata);
+}
+
+//static 
+void LLFloaterModelPreview::onLowLimitCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLimit(1, userdata);
+}
+
+//static 
+void LLFloaterModelPreview::onLowestLimitCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLimit(0, userdata);
+}
+
+//static 
+void LLFloaterModelPreview::onPhysicsLimitCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview::setLimit(4, userdata);
+}
+
+//static
+void LLFloaterModelPreview::onSmoothNormalsCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;
+
+	fp->mModelPreview->smoothNormals();
+}
+
+//static
+void LLFloaterModelPreview::onShowEdgesCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;
+
+	fp->mModelPreview->refresh();
+}
+
+//static
+void LLFloaterModelPreview::onExplodeCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;
+
+	fp->mModelPreview->refresh();
+}
+
+//static 
+void LLFloaterModelPreview::onAutoFillCommit(LLUICtrl* ctrl, void* userdata)
+{
+	LLFloaterModelPreview* fp = (LLFloaterModelPreview*) userdata;
+
+	fp->mModelPreview->genLODs();
+}
+
+
+//-----------------------------------------------------------------------------
+// draw()
+//-----------------------------------------------------------------------------
+void LLFloaterModelPreview::draw()
+{
+	LLFloater::draw();
+	LLRect r = getRect();
+
+	if (!mLoading)
+	{
+		childSetTextArg("status", "[STATUS]", getString("status_idle"));
+	}
+	
+	childSetTextArg("description_label", "[PRIM_COST]", llformat("%d", mModelPreview->mResourceCost));
+	childSetTextArg("description_label", "[TEXTURES]", llformat("%d", mModelPreview->mTextureSet.size()));
+
+	if (mDecompFloater)
+	{
+		mDecompFloater->childSetText("status", gMeshRepo.mDecompThread->mStatus);
+	}
+
+	U32 resource_cost = mModelPreview->mResourceCost*10;
+
+	if (childGetValue("upload_textures").asBoolean())
+	{
+		resource_cost += mModelPreview->mTextureSet.size()*10;
+	}
+	
+	childSetLabelArg("ok_btn", "[AMOUNT]", llformat("%d", resource_cost));
+	
+	if (mModelPreview)
+	{
+		gGL.color3f(1.f, 1.f, 1.f);
+
+		gGL.getTexUnit(0)->bind(mModelPreview);
+		
+		gGL.begin( LLRender::QUADS );
+		{
+			gGL.texCoord2f(0.f, 1.f);
+			gGL.vertex2i(mPreviewRect.mLeft, mPreviewRect.mTop);
+			gGL.texCoord2f(0.f, 0.f);
+			gGL.vertex2i(mPreviewRect.mLeft, mPreviewRect.mBottom);
+			gGL.texCoord2f(1.f, 0.f);
+			gGL.vertex2i(mPreviewRect.mRight, mPreviewRect.mBottom);
+			gGL.texCoord2f(1.f, 1.f);
+			gGL.vertex2i(mPreviewRect.mRight, mPreviewRect.mTop);
+		}
+		gGL.end();
+
+		gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+	}
+}
+
+//-----------------------------------------------------------------------------
+// handleMouseDown()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+	if (mPreviewRect.pointInRect(x, y))
+	{
+		bringToFront( x, y );
+		gFocusMgr.setMouseCapture(this);
+		gViewerWindow->hideCursor();
+		mLastMouseX = x;
+		mLastMouseY = y;
+		return TRUE;
+	}
+
+	return LLFloater::handleMouseDown(x, y, mask);
+}
+
+//-----------------------------------------------------------------------------
+// handleMouseUp()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::handleMouseUp(S32 x, S32 y, MASK mask)
+{
+	gFocusMgr.setMouseCapture(FALSE);
+	gViewerWindow->showCursor();
+	return LLFloater::handleMouseUp(x, y, mask);
+}
+
+//-----------------------------------------------------------------------------
+// handleHover()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::handleHover	(S32 x, S32 y, MASK mask)
+{
+	MASK local_mask = mask & ~MASK_ALT;
+
+	if (mModelPreview && hasMouseCapture())
+	{
+		if (local_mask == MASK_PAN)
+		{
+			// pan here
+			mModelPreview->pan((F32)(x - mLastMouseX) * -0.005f, (F32)(y - mLastMouseY) * -0.005f);
+		}
+		else if (local_mask == MASK_ORBIT)
+		{
+			F32 yaw_radians = (F32)(x - mLastMouseX) * -0.01f;
+			F32 pitch_radians = (F32)(y - mLastMouseY) * 0.02f;
+			
+			mModelPreview->rotate(yaw_radians, pitch_radians);
+		}
+		else 
+		{
+		
+			F32 yaw_radians = (F32)(x - mLastMouseX) * -0.01f;
+			F32 zoom_amt = (F32)(y - mLastMouseY) * 0.02f;
+			
+			mModelPreview->rotate(yaw_radians, 0.f);
+			mModelPreview->zoom(zoom_amt);
+		}
+
+		
+		mModelPreview->refresh();
+		
+		LLUI::setMousePositionLocal(this, mLastMouseX, mLastMouseY);
+	}
+
+	if (!mPreviewRect.pointInRect(x, y) || !mModelPreview)
+	{
+		return LLFloater::handleHover(x, y, mask);
+	}
+	else if (local_mask == MASK_ORBIT)
+	{
+		gViewerWindow->setCursor(UI_CURSOR_TOOLCAMERA);
+	}
+	else if (local_mask == MASK_PAN)
+	{
+		gViewerWindow->setCursor(UI_CURSOR_TOOLPAN);
+	}
+	else
+	{
+		gViewerWindow->setCursor(UI_CURSOR_TOOLZOOMIN);
+	}
+
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// handleScrollWheel()
+//-----------------------------------------------------------------------------
+BOOL LLFloaterModelPreview::handleScrollWheel(S32 x, S32 y, S32 clicks)
+{
+	if (mPreviewRect.pointInRect(x, y) && mModelPreview)
+	{
+		mModelPreview->zoom((F32)clicks * -0.2f);
+		mModelPreview->refresh();
+	}
+
+	return TRUE;
+}
+
+//static
+void LLFloaterModelPreview::onPhysicsParamCommit(LLUICtrl* ctrl, void* data)
+{
+	LLCDParam* param = (LLCDParam*) data;
+
+	LLCDResult ret = LLCD_OK;
+
+	if (LLConvexDecomposition::getInstance() == NULL)
+	{
+		llinfos << "convex decomposition tool is a stub on this platform. cannot get decomp." << llendl;
+		return;
+	}
+
+	if (param->mType == LLCDParam::LLCD_FLOAT)
+	{
+		ret = LLConvexDecomposition::getInstance()->setParam(param->mName, (F32) ctrl->getValue().asReal());
+	}
+	else if (param->mType == LLCDParam::LLCD_INTEGER ||
+		param->mType == LLCDParam::LLCD_ENUM)
+	{
+		ret = LLConvexDecomposition::getInstance()->setParam(param->mName, ctrl->getValue().asInteger());
+	}
+	else if (param->mType == LLCDParam::LLCD_BOOLEAN)
+	{
+		ret = LLConvexDecomposition::getInstance()->setParam(param->mName, ctrl->getValue().asBoolean());
+	}
+
+	if (ret)
+	{
+		llerrs << "WTF?" << llendl;
+	}
+}
+
+//static
+void LLFloaterModelPreview::onPhysicsStageExecute(LLUICtrl* ctrl, void* data)
+{
+	LLCDStageData* stage = (LLCDStageData*) data;
+	
+	LLModel* mdl = NULL;
+
+	if (sInstance)
+	{
+		if (sInstance->mModelPreview)
+		{
+			if (sInstance->mDecompFloater)
+			{
+				S32 idx = sInstance->mDecompFloater->childGetValue("model").asInteger();
+				if (idx >= 0 && idx < sInstance->mModelPreview->mModel[LLModel::LOD_PHYSICS].size())
+				{
+					mdl = sInstance->mModelPreview->mModel[LLModel::LOD_PHYSICS][idx];
+				}
+			}
+		}
+	}
+	
+	if (mdl)
+	{
+		gMeshRepo.mDecompThread->execute(stage->mName, mdl);
+	}
+}
+
+//static
+void LLFloaterModelPreview::onPhysicsStageCancel(LLUICtrl* ctrl, void*data)
+{
+	gMeshRepo.mDecompThread->cancel();
+}
+
+void LLFloaterModelPreview::showDecompFloater()
+{
+	if (!mDecompFloater)
+	{
+		LLSD key;
+		mDecompFloater = new LLPhysicsDecompFloater(key);
+	
+		S32 left = 20;
+		S32 right = 270;
+
+		S32 cur_y = 30;
+
+		{
+			//add status text
+			LLTextBox::Params p;
+			p.name("status");
+			p.rect(LLRect(left, cur_y, right-80, cur_y-20));
+			mDecompFloater->addChild(LLUICtrlFactory::create<LLTextBox>(p));
+		}
+
+
+		{ //add cancel button
+			LLButton::Params p;
+			p.name("Cancel");
+			p.label("Cancel");
+			p.rect(LLRect(right-80, cur_y, right, cur_y-20));		
+			LLButton* button = LLUICtrlFactory::create<LLButton>(p);
+			button->setCommitCallback(onPhysicsStageCancel, NULL);		
+			mDecompFloater->addChild(button);
+		}
+
+		cur_y += 30;
+
+
+		const LLCDStageData* stage;
+		S32 stage_count = 0;
+		if (LLConvexDecomposition::getInstance() != NULL)
+		{
+			stage_count = LLConvexDecomposition::getInstance()->getStages(&stage);
+		}
+
+		const LLCDParam* param;
+		S32 param_count = 0;
+		if (LLConvexDecomposition::getInstance() != NULL)
+		{
+			param_count = LLConvexDecomposition::getInstance()->getParameters(&param);
+		}
+
+		for (S32 j = stage_count-1; j >= 0; --j)
+		{
+			LLButton::Params p;
+			p.name(stage[j].mName);
+			p.label(stage[j].mName);
+			p.rect(LLRect(left, cur_y, right, cur_y-20));		
+			LLButton* button = LLUICtrlFactory::create<LLButton>(p);
+			button->setCommitCallback(onPhysicsStageExecute, (void*) &stage[j]);		
+			mDecompFloater->addChild(button);
+			gMeshRepo.mDecompThread->mStageID[stage[j].mName] = j;
+			cur_y += 30;
+			// protected against stub by stage_count being 0 for stub above
+			LLConvexDecomposition::getInstance()->registerCallback(j, LLPhysicsDecomp::llcdCallback);
+
+			for (S32 i = 0; i < param_count; ++i)
+			{
+				if (param[i].mStage != j)
+				{
+					continue;
+				}
+
+				if (param[i].mType == LLCDParam::LLCD_FLOAT)
+				{
+					LLSliderCtrl::Params p;
+					p.name(param[i].mName);
+					p.label(param[i].mName);
+					p.rect(LLRect(left, cur_y, right, cur_y-20));
+					p.min_value(param[i].mDetails.mRange.mLow.mFloat);
+					p.max_value(param[i].mDetails.mRange.mHigh.mFloat);
+					p.increment(param[i].mDetails.mRange.mDelta.mFloat);
+					p.decimal_digits(3);
+					p.initial_value(param[i].mDefault.mFloat);
+					LLSliderCtrl* slider = LLUICtrlFactory::create<LLSliderCtrl>(p);
+					slider->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);
+					mDecompFloater->addChild(slider);
+					cur_y += 30;
+				}
+				else if (param[i].mType == LLCDParam::LLCD_INTEGER)
+				{
+					LLSliderCtrl::Params p;
+					p.name(param[i].mName);
+					p.label(param[i].mName);
+					p.rect(LLRect(left, cur_y, right, cur_y-20));
+					p.min_value(param[i].mDetails.mRange.mLow.mIntOrEnumValue);
+					p.max_value(param[i].mDetails.mRange.mHigh.mIntOrEnumValue);
+					p.increment(param[i].mDetails.mRange.mDelta.mIntOrEnumValue);
+					p.initial_value(param[i].mDefault.mIntOrEnumValue);
+					LLSliderCtrl* slider = LLUICtrlFactory::create<LLSliderCtrl>(p);
+					slider->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);
+					mDecompFloater->addChild(slider);	
+					cur_y += 30;
+				}
+				else if (param[i].mType == LLCDParam::LLCD_BOOLEAN)
+				{
+					LLCheckBoxCtrl::Params p;
+					p.rect(LLRect(left, cur_y, right, cur_y-20));
+					p.name(param[i].mName);
+					p.label(param[i].mName);
+					p.initial_value(param[i].mDefault.mBool);
+					LLCheckBoxCtrl* check_box = LLUICtrlFactory::create<LLCheckBoxCtrl>(p);
+					check_box->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);
+					mDecompFloater->addChild(check_box);
+					cur_y += 30;
+				}
+				else if (param[i].mType == LLCDParam::LLCD_ENUM)
+				{
+					LLComboBox::Params p;
+					p.rect(LLRect(left, cur_y, right/3, cur_y-20));
+					p.name(param[i].mName);
+					p.label(param[i].mName);
+					LLComboBox* combo_box = LLUICtrlFactory::create<LLComboBox>(p);
+					for (S32 k = 0; k < param[i].mDetails.mEnumValues.mNumEnums; ++k)
+					{
+						combo_box->add(param[i].mDetails.mEnumValues.mEnumsArray[k].mName, 
+							LLSD::Integer(param[i].mDetails.mEnumValues.mEnumsArray[k].mValue));
+					}
+					combo_box->setValue(param[i].mDefault.mIntOrEnumValue);
+					combo_box->setCommitCallback(onPhysicsParamCommit, (void*) &param[i]);
+					mDecompFloater->addChild(combo_box);
+					cur_y += 30;
+				}
+			}
+		}
+
+		//mesh render checkbox
+		{
+			LLCheckBoxCtrl::Params p;
+			p.label("Mesh: ");
+			p.name("render_mesh");
+			p.rect(LLRect(left, cur_y, right/4, cur_y-20));
+			LLCheckBoxCtrl* check = LLUICtrlFactory::create<LLCheckBoxCtrl>(p);
+			check->setValue(true);
+			mDecompFloater->addChild(check);
+		}
+
+		//hull render checkbox
+		{
+			LLCheckBoxCtrl::Params p;
+			p.label("Hull: ");
+			p.name("render_hull");
+			p.rect(LLRect(right/4, cur_y, right/2, cur_y-20));
+			LLCheckBoxCtrl* check = LLUICtrlFactory::create<LLCheckBoxCtrl>(p);
+			check->setValue(true);
+			mDecompFloater->addChild(check);
+		}
+
+		{ //submesh combo box label
+			LLTextBox::Params p;
+			p.label("Model");
+			p.name("model label");
+			p.rect(LLRect(right/3, cur_y, right/2, cur_y-20));
+			LLTextBox* text_box = LLUICtrlFactory::create<LLTextBox>(p);
+			text_box->setValue("Model");
+			mDecompFloater->addChild(text_box);
+		}
+		{
+			//add submesh combo box
+			LLComboBox::Params p;
+			p.rect(LLRect(right/2, cur_y, right, cur_y-20));
+			p.name("model");
+			LLComboBox* combo_box = LLUICtrlFactory::create<LLComboBox>(p);
+			for (S32 i = 0; i < mModelPreview->mBaseModel.size(); ++i)
+			{
+				LLModel* mdl = mModelPreview->mBaseModel[i];
+				combo_box->add(mdl->mLabel, i);
+			}
+			combo_box->setValue(0);
+			mDecompFloater->addChild(combo_box);
+			cur_y += 30;
+		}
+
+		mDecompFloater->childSetCommitCallback("model", LLFloaterModelPreview::refresh, LLFloaterModelPreview::sInstance);
+		mDecompFloater->childSetCommitCallback("render_mesh", LLFloaterModelPreview::refresh, LLFloaterModelPreview::sInstance);
+		mDecompFloater->childSetCommitCallback("render_hull", LLFloaterModelPreview::refresh, LLFloaterModelPreview::sInstance);
+
+		mDecompFloater->setRect(LLRect(10, cur_y+20, right+20, 10)); 
+	}
+
+	mDecompFloater->openFloater();
+}
+
+//-----------------------------------------------------------------------------
+// onMouseCaptureLost()
+//-----------------------------------------------------------------------------
+// static
+void LLFloaterModelPreview::onMouseCaptureLostModelPreview(LLMouseHandler* handler)
+{
+	gViewerWindow->showCursor();
+}
+
+//-----------------------------------------------------------------------------
+// LLModelLoader
+//-----------------------------------------------------------------------------
+LLModelLoader::LLModelLoader(std::string filename, S32 lod, LLModelPreview* preview)
+: LLThread("Model Loader"), mFilename(filename), mLod(lod), mPreview(preview), mState(STARTING), mFirstTransform(TRUE)
+{
+	mJointMap["mPelvis"] = "mPelvis";
+	mJointMap["mTorso"] = "mTorso";
+	mJointMap["mChest"] = "mChest";
+	mJointMap["mNeck"] = "mNeck";
+	mJointMap["mHead"] = "mHead";
+	mJointMap["mSkull"] = "mSkull";
+	mJointMap["mEyeRight"] = "mEyeRight";
+	mJointMap["mEyeLeft"] = "mEyeLeft";
+	mJointMap["mCollarLeft"] = "mCollarLeft";
+	mJointMap["mShoulderLeft"] = "mShoulderLeft";
+	mJointMap["mElbowLeft"] = "mElbowLeft";
+	mJointMap["mWristLeft"] = "mWristLeft";
+	mJointMap["mCollarRight"] = "mCollarRight";
+	mJointMap["mShoulderRight"] = "mShoulderRight";
+	mJointMap["mElbowRight"] = "mElbowRight";
+	mJointMap["mWristRight"] = "mWristRight";
+	mJointMap["mHipRight"] = "mHipRight";
+	mJointMap["mKneeRight"] = "mKneeRight";
+	mJointMap["mAnkleRight"] = "mAnkleRight";
+	mJointMap["mFootRight"] = "mFootRight";
+	mJointMap["mToeRight"] = "mToeRight";
+	mJointMap["mHipLeft"] = "mHipLeft";
+	mJointMap["mKneeLeft"] = "mKneeLeft";
+	mJointMap["mAnkleLeft"] = "mAnkleLeft";
+	mJointMap["mFootLeft"] = "mFootLeft";
+	mJointMap["mToeLeft"] = "mToeLeft";
+
+	mJointMap["avatar_mPelvis"] = "mPelvis";
+	mJointMap["avatar_mTorso"] = "mTorso";
+	mJointMap["avatar_mChest"] = "mChest";
+	mJointMap["avatar_mNeck"] = "mNeck";
+	mJointMap["avatar_mHead"] = "mHead";
+	mJointMap["avatar_mSkull"] = "mSkull";
+	mJointMap["avatar_mEyeRight"] = "mEyeRight";
+	mJointMap["avatar_mEyeLeft"] = "mEyeLeft";
+	mJointMap["avatar_mCollarLeft"] = "mCollarLeft";
+	mJointMap["avatar_mShoulderLeft"] = "mShoulderLeft";
+	mJointMap["avatar_mElbowLeft"] = "mElbowLeft";
+	mJointMap["avatar_mWristLeft"] = "mWristLeft";
+	mJointMap["avatar_mCollarRight"] = "mCollarRight";
+	mJointMap["avatar_mShoulderRight"] = "mShoulderRight";
+	mJointMap["avatar_mElbowRight"] = "mElbowRight";
+	mJointMap["avatar_mWristRight"] = "mWristRight";
+	mJointMap["avatar_mHipRight"] = "mHipRight";
+	mJointMap["avatar_mKneeRight"] = "mKneeRight";
+	mJointMap["avatar_mAnkleRight"] = "mAnkleRight";
+	mJointMap["avatar_mFootRight"] = "mFootRight";
+	mJointMap["avatar_mToeRight"] = "mToeRight";
+	mJointMap["avatar_mHipLeft"] = "mHipLeft";
+	mJointMap["avatar_mKneeLeft"] = "mKneeLeft";
+	mJointMap["avatar_mAnkleLeft"] = "mAnkleLeft";
+	mJointMap["avatar_mFootLeft"] = "mFootLeft";
+	mJointMap["avatar_mToeLeft"] = "mToeLeft";
+
+
+	mJointMap["hip"] = "mPelvis";
+	mJointMap["abdomen"] = "mTorso";
+	mJointMap["chest"] = "mChest";
+	mJointMap["neck"] = "mNeck";
+	mJointMap["head"] = "mHead";
+	mJointMap["figureHair"] = "mSkull";
+	mJointMap["lCollar"] = "mCollarLeft";
+	mJointMap["lShldr"] = "mShoulderLeft";
+	mJointMap["lForeArm"] = "mElbowLeft";
+	mJointMap["lHand"] = "mWristLeft";
+	mJointMap["rCollar"] = "mCollarRight";
+	mJointMap["rShldr"] = "mShoulderRight";
+	mJointMap["rForeArm"] = "mElbowRight";
+	mJointMap["rHand"] = "mWristRight";
+	mJointMap["rThigh"] = "mHipRight";
+	mJointMap["rShin"] = "mKneeRight";
+	mJointMap["rFoot"] = "mFootRight";
+	mJointMap["lThigh"] = "mHipLeft";
+	mJointMap["lShin"] = "mKneeLeft";
+	mJointMap["lFoot"] = "mFootLeft";
+}
+
+void stretch_extents(LLModel* model, LLMatrix4a& mat, LLVector4a& min, LLVector4a& max, BOOL& first_transform)
+{
+	LLVector4a box[] = 
+	{
+		LLVector4a(-1, 1,-1),
+		LLVector4a(-1, 1, 1),
+		LLVector4a(-1,-1,-1),
+		LLVector4a(-1,-1, 1),
+		LLVector4a( 1, 1,-1),
+		LLVector4a( 1, 1, 1),
+		LLVector4a( 1,-1,-1),
+		LLVector4a( 1,-1, 1),
+	};
+
+	for (S32 j = 0; j < model->getNumVolumeFaces(); ++j)
+	{
+		const LLVolumeFace& face = model->getVolumeFace(j);
+		
+		LLVector4a center;
+		center.setAdd(face.mExtents[0], face.mExtents[1]);
+		center.mul(0.5f);
+		LLVector4a size;
+		size.setSub(face.mExtents[1],face.mExtents[0]);
+		size.mul(0.5f);
+
+		for (U32 i = 0; i < 8; i++)
+		{
+			LLVector4a t;
+			t.setMul(size, box[i]);
+			t.add(center);
+
+			LLVector4a v;
+
+			mat.affineTransform(t, v);								
+			
+			if (first_transform)
+			{
+				first_transform = FALSE;
+				min = max = v;
+			}
+			else
+			{
+				update_min_max(min, max, v);
+			}
+		}
+	}
+}
+
+void stretch_extents(LLModel* model, LLMatrix4& mat, LLVector3& min, LLVector3& max, BOOL& first_transform)
+{
+	LLVector4a mina, maxa;
+	LLMatrix4a mata;
+
+	mata.loadu(mat);
+	mina.load3(min.mV);
+	maxa.load3(max.mV);
+
+	stretch_extents(model, mata, mina, maxa, first_transform);
+	
+	min.set(mina.getF32ptr());
+	max.set(maxa.getF32ptr());
+}
+
+void LLModelLoader::run()
+{
+	DAE dae;
+	domCOLLADA* dom = dae.open(mFilename);
+
+	if (dom)
+	{
+		daeDatabase* db = dae.getDatabase();
+
+		daeInt count = db->getElementCount(NULL, COLLADA_TYPE_MESH);
+
+		daeDocument* doc = dae.getDoc(mFilename);
+		if (!doc)
+		{
+			llwarns << "can't find internal doc" << llendl;
+			return;
+		}
+
+		daeElement* root = doc->getDomRoot();
+		if (!root)
+		{
+			llwarns << "document has no root" << llendl;
+			return;
+		}
+
+		//get unit scale
+		mTransform.setIdentity();
+
+		domAsset::domUnit* unit = daeSafeCast<domAsset::domUnit>(root->getDescendant(daeElement::matchType(domAsset::domUnit::ID())));
+
+		if (unit)
+		{
+			F32 meter = unit->getMeter();
+			mTransform.mMatrix[0][0] = meter;
+			mTransform.mMatrix[1][1] = meter;
+			mTransform.mMatrix[2][2] = meter;
+		}
+
+		//get up axis rotation
+		LLMatrix4 rotation;
+
+		domUpAxisType up = UPAXISTYPE_Y_UP;  // default is Y_UP
+		domAsset::domUp_axis* up_axis =
+			daeSafeCast<domAsset::domUp_axis>(root->getDescendant(daeElement::matchType(domAsset::domUp_axis::ID())));
+
+		if (up_axis)
+		{
+			up = up_axis->getValue();
+		}
+		
+		if (up == UPAXISTYPE_X_UP)
+		{
+			rotation.initRotation(0.0f, 90.0f * DEG_TO_RAD, 0.0f);
+		}
+		else if (up == UPAXISTYPE_Y_UP)
+		{
+			rotation.initRotation(90.0f * DEG_TO_RAD, 0.0f, 0.0f);
+		}
+
+		rotation *= mTransform;
+		mTransform = rotation;
+
+
+		for (daeInt idx = 0; idx < count; ++idx)
+		{ //build map of domEntities to LLModel
+			domMesh* mesh = NULL;
+			db->getElement((daeElement**) &mesh, idx, NULL, COLLADA_TYPE_MESH);
+
+			if (mesh)
+			{
+				LLPointer<LLModel> model = LLModel::loadModelFromDomMesh(mesh);
+
+				if (model.notNull() && validate_model(model))
+				{
+					mModelList.push_back(model);
+					mModel[mesh] = model;
+				}
+			}
+		}
+
+		count = db->getElementCount(NULL, COLLADA_TYPE_SKIN);
+		for (daeInt idx = 0; idx < count; ++idx)
+		{ //add skinned meshes as instances
+			domSkin* skin = NULL;
+			db->getElement((daeElement**) &skin, idx, NULL, COLLADA_TYPE_SKIN);
+
+			if (skin)
+			{	
+				domGeometry* geom = daeSafeCast<domGeometry>(skin->getSource().getElement());
+				
+				if (geom)
+				{
+					domMesh* mesh = geom->getMesh();
+					if (mesh)
+					{
+						LLModel* model = mModel[mesh];
+						if (model)
+						{
+							LLVector3 mesh_scale_vector;
+							LLVector3 mesh_translation_vector;
+							model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+
+							LLMatrix4 normalized_transformation;
+							normalized_transformation.setTranslation(mesh_translation_vector);
+							
+							LLMatrix4 mesh_scale;
+							mesh_scale.initScale(mesh_scale_vector);
+							mesh_scale *= normalized_transformation;
+							normalized_transformation = mesh_scale;
+
+							glh::matrix4f inv_mat((F32*) normalized_transformation.mMatrix);
+							inv_mat = inv_mat.inverse();
+							LLMatrix4 inverse_normalized_transformation(inv_mat.m);							
+
+							domSkin::domBind_shape_matrix* bind_mat = skin->getBind_shape_matrix();
+
+							if (bind_mat)
+							{ //get bind shape matrix
+								domFloat4x4& dom_value = bind_mat->getValue();
+								
+								for (int i = 0; i < 4; i++)
+								{
+									for(int j = 0; j < 4; j++)
+									{
+										model->mBindShapeMatrix.mMatrix[i][j] = dom_value[i + j*4];
+									}
+								}
+
+								LLMatrix4 trans = normalized_transformation;
+								trans *= model->mBindShapeMatrix;
+								model->mBindShapeMatrix = trans;
+
+							}
+
+							/*{
+								LLMatrix4 rotation;
+								if (up == UPAXISTYPE_X_UP)
+								{
+									rotation.initRotation(0.0f, 90.0f * DEG_TO_RAD, 0.0f);
+								}
+								else if (up == UPAXISTYPE_Z_UP)
+								{
+									rotation.initRotation(90.0f * DEG_TO_RAD, 90.0f * DEG_TO_RAD, 0.0f);
+								}
+
+								rotation *= model->mBindShapeMatrix;
+								model->mBindShapeMatrix = rotation;
+							}*/
+
+							
+							domSkin::domJoints* joints = skin->getJoints();
+
+							domInputLocal_Array& joint_input = joints->getInput_array();
+
+							for (size_t i = 0; i < joint_input.getCount(); ++i)
+							{
+								domInputLocal* input = joint_input.get(i);
+								xsNMTOKEN semantic = input->getSemantic();
+
+								if (strcmp(semantic, COMMON_PROFILE_INPUT_JOINT) == 0)
+								{ //found joint source, fill model->mJointMap and model->mJointList
+									daeElement* elem = input->getSource().getElement();
+									
+									domSource* source = daeSafeCast<domSource>(elem);
+									if (source)
+									{ 
+										
+
+										domName_array* names_source = source->getName_array();
+										
+										if (names_source)
+										{
+											domListOfNames &names = names_source->getValue();					
+
+											for (size_t j = 0; j < names.getCount(); ++j)
+											{
+												std::string name(names.get(j));
+												if (mJointMap.find(name) != mJointMap.end())
+												{
+													name = mJointMap[name];
+												}
+												model->mJointList.push_back(name);
+												model->mJointMap[name] = j;
+											}	
+										}
+										else
+										{
+											domIDREF_array* names_source = source->getIDREF_array();
+											if (names_source)
+											{
+												xsIDREFS& names = names_source->getValue();
+
+												for (size_t j = 0; j < names.getCount(); ++j)
+												{
+													std::string name(names.get(j).getID());
+													if (mJointMap.find(name) != mJointMap.end())
+													{
+														name = mJointMap[name];
+													}
+													model->mJointList.push_back(name);
+													model->mJointMap[name] = j;
+												}
+											}
+										}
+									}
+								}
+								else if (strcmp(semantic, COMMON_PROFILE_INPUT_INV_BIND_MATRIX) == 0)
+								{ //found inv_bind_matrix array, fill model->mInvBindMatrix
+									domSource* source = daeSafeCast<domSource>(input->getSource().getElement());
+									if (source)
+									{
+										domFloat_array* t = source->getFloat_array();
+										if (t)
+										{
+											domListOfFloats& transform = t->getValue();
+											S32 count = transform.getCount()/16;
+
+											for (S32 k = 0; k < count; ++k)
+											{
+												LLMatrix4 mat;
+
+												for (int i = 0; i < 4; i++)
+												{
+													for(int j = 0; j < 4; j++)
+													{
+														mat.mMatrix[i][j] = transform[k*16 + i + j*4];
+													}
+												}
+
+												model->mInvBindMatrix.push_back(mat);
+											}
+										}
+									}
+								}
+							}
+
+							
+							//grab raw position array
+							
+							domVertices* verts = mesh->getVertices();
+							if (verts)
+							{
+								domInputLocal_Array& inputs = verts->getInput_array();
+								for (size_t i = 0; i < inputs.getCount() && model->mPosition.empty(); ++i)
+								{
+									if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_POSITION) == 0)
+									{
+										domSource* pos_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement());
+										if (pos_source)
+										{
+											domFloat_array* pos_array = pos_source->getFloat_array();
+											if (pos_array)
+											{
+												domListOfFloats& pos = pos_array->getValue();
+												
+												for (size_t j = 0; j < pos.getCount(); j += 3)
+												{
+													if (pos.getCount() <= j+2)
+													{
+														llerrs << "WTF?" << llendl;
+													}
+													
+													LLVector3 v(pos[j], pos[j+1], pos[j+2]);
+
+													//transform from COLLADA space to volume space
+													v = v * inverse_normalized_transformation;
+
+													model->mPosition.push_back(v);
+												}
+											}
+										}
+									}
+								}
+							}
+
+							//grab skin weights array
+							domSkin::domVertex_weights* weights = skin->getVertex_weights();
+							if (weights)
+							{
+								domInputLocalOffset_Array& inputs = weights->getInput_array();
+								domFloat_array* vertex_weights = NULL;
+								for (size_t i = 0; i < inputs.getCount(); ++i)
+								{
+									if (strcmp(inputs[i]->getSemantic(), COMMON_PROFILE_INPUT_WEIGHT) == 0)
+									{
+										domSource* weight_source = daeSafeCast<domSource>(inputs[i]->getSource().getElement());
+										if (weight_source)
+										{
+											vertex_weights = weight_source->getFloat_array();
+										}
+									}
+								}
+
+								if (vertex_weights)
+								{
+									domListOfFloats& w = vertex_weights->getValue();
+									domListOfUInts& vcount = weights->getVcount()->getValue();
+									domListOfInts& v = weights->getV()->getValue();
+
+									U32 c_idx = 0;
+									for (size_t vc_idx = 0; vc_idx < vcount.getCount(); ++vc_idx)
+									{ //for each vertex
+										daeUInt count = vcount[vc_idx];
+
+										//create list of weights that influence this vertex
+										LLModel::weight_list weight_list;
+
+										for (daeUInt i = 0; i < count; ++i)
+										{ //for each weight
+											daeInt joint_idx = v[c_idx++];
+											daeInt weight_idx = v[c_idx++];
+
+											if (joint_idx == -1)
+											{
+												//ignore bindings to bind_shape_matrix
+												continue;
+											}
+
+											F32 weight_value = w[weight_idx];
+
+											weight_list.push_back(LLModel::JointWeight(joint_idx, weight_value));	
+										}
+
+										//sort by joint weight
+										std::sort(weight_list.begin(), weight_list.end(), LLModel::CompareWeightGreater());
+
+										std::vector<LLModel::JointWeight> wght;
+										
+										F32 total = 0.f;
+
+										for (U32 i = 0; i < llmin((U32) 4, (U32) weight_list.size()); ++i)
+										{ //take up to 4 most significant weights
+											if (weight_list[i].mWeight > 0.f)
+											{
+												wght.push_back( weight_list[i] );
+												total += weight_list[i].mWeight;
+											}
+										}
+										
+										F32 scale = 1.f/total;
+										if (scale != 1.f)
+										{ //normalize weights
+											for (U32 i = 0; i < wght.size(); ++i)
+											{ 
+												wght[i].mWeight *= scale;
+											}
+										}
+
+										model->mSkinWeights[model->mPosition[vc_idx]] = wght;
+									}
+									
+									//add instance to scene for this model
+									
+									LLMatrix4 transform;
+									std::vector<LLImportMaterial> materials;
+									materials.resize(model->getNumVolumeFaces());
+									mScene[transform].push_back(LLModelInstance(model, transform, materials));
+									stretch_extents(model, transform, mExtents[0], mExtents[1], mFirstTransform);
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+
+		daeElement* scene = root->getDescendant("visual_scene");
+		if (!scene)
+		{
+			llwarns << "document has no visual_scene" << llendl;
+			return;
+		}
+
+		processElement(scene);
+
+		mPreview->loadModelCallback(mLod);
+	}
+}
+
+void LLModelLoader::processElement(daeElement* element)
+{
+	LLMatrix4 saved_transform = mTransform;
+
+	domTranslate* translate = daeSafeCast<domTranslate>(element);
+	if (translate)
+	{
+		domFloat3 dom_value = translate->getValue();
+
+		LLMatrix4 translation;
+		translation.setTranslation(LLVector3(dom_value[0], dom_value[1], dom_value[2]));
+		
+		translation *= mTransform;
+		mTransform = translation;
+	}
+
+	domRotate* rotate = daeSafeCast<domRotate>(element);
+	if (rotate)
+	{
+		domFloat4 dom_value = rotate->getValue();
+
+		LLMatrix4 rotation;
+		rotation.initRotTrans(dom_value[3] * DEG_TO_RAD, LLVector3(dom_value[0], dom_value[1], dom_value[2]), LLVector3(0, 0, 0));
+
+		rotation *= mTransform;
+		mTransform = rotation;
+	}
+
+	domScale* scale = daeSafeCast<domScale>(element);
+	if (scale)
+	{
+		domFloat3 dom_value = scale->getValue();
+
+		LLMatrix4 scaling;
+		scaling.initScale(LLVector3(dom_value[0], dom_value[1], dom_value[2]));
+
+		scaling *= mTransform;
+		mTransform = scaling;
+	}
+
+	domMatrix* matrix = daeSafeCast<domMatrix>(element);
+	if (matrix)
+	{
+		domFloat4x4 dom_value = matrix->getValue();
+
+		LLMatrix4 matrix_transform;
+
+		for (int i = 0; i < 4; i++)
+		{
+			for(int j = 0; j < 4; j++)
+			{
+				matrix_transform.mMatrix[i][j] = dom_value[i + j*4];
+			}
+		}
+		
+		matrix_transform *= mTransform;
+		mTransform = matrix_transform;
+	}
+
+	domInstance_geometry* instance_geo = daeSafeCast<domInstance_geometry>(element);
+	if (instance_geo)
+	{
+		domGeometry* geo = daeSafeCast<domGeometry>(instance_geo->getUrl().getElement());
+		if (geo)
+		{
+			domMesh* mesh = daeSafeCast<domMesh>(geo->getDescendant(daeElement::matchType(domMesh::ID())));
+			if (mesh)
+			{
+				LLModel* model = mModel[mesh];
+				if (model)
+				{
+					LLMatrix4 transformation = mTransform;
+
+					std::vector<LLImportMaterial> materials = getMaterials(model, instance_geo);
+
+					// adjust the transformation to compensate for mesh normalization
+					LLVector3 mesh_scale_vector;
+					LLVector3 mesh_translation_vector;
+					model->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+
+					LLMatrix4 mesh_translation;
+					mesh_translation.setTranslation(mesh_translation_vector);
+					mesh_translation *= transformation;
+					transformation = mesh_translation;
+					
+					LLMatrix4 mesh_scale;
+					mesh_scale.initScale(mesh_scale_vector);
+					mesh_scale *= transformation;
+					transformation = mesh_scale;
+					
+					mScene[transformation].push_back(LLModelInstance(model, transformation, materials));
+
+					stretch_extents(model, transformation, mExtents[0], mExtents[1], mFirstTransform);			
+				}
+			}
+		}
+	}
+
+	domInstance_node* instance_node = daeSafeCast<domInstance_node>(element);
+	if (instance_node)
+	{
+		daeElement* instance = instance_node->getUrl().getElement();
+		if (instance)
+		{
+			processElement(instance);
+		}
+	}
+
+	//process children
+	daeTArray< daeSmartRef<daeElement> > children = element->getChildren();
+	for (S32 i = 0; i < children.getCount(); i++)
+	{
+		processElement(children[i]);
+	}
+
+	domNode* node = daeSafeCast<domNode>(element);
+	if (node)
+	{ //this element was a node, restore transform before processiing siblings
+		mTransform = saved_transform;	
+	}
+}
+
+std::vector<LLImportMaterial> LLModelLoader::getMaterials(LLModel* model, domInstance_geometry* instance_geo)
+{
+	std::vector<LLImportMaterial> materials;
+	for (int i = 0; i < model->mMaterialList.size(); i++)
+	{
+		LLImportMaterial import_material;
+
+		domInstance_material* instance_mat = NULL;
+
+		domBind_material::domTechnique_common* technique =
+			daeSafeCast<domBind_material::domTechnique_common>(instance_geo->getDescendant(daeElement::matchType(domBind_material::domTechnique_common::ID())));
+
+		if (technique)
+		{
+			daeTArray< daeSmartRef<domInstance_material> > inst_materials = technique->getChildrenByType<domInstance_material>();
+			for (int j = 0; j < inst_materials.getCount(); j++)
+			{
+				std::string symbol(inst_materials[j]->getSymbol());
+
+				if (symbol == model->mMaterialList[i]) // found the binding
+				{
+					instance_mat = inst_materials[j];
+				}
+			}
+		}
+
+		if (instance_mat)
+		{
+			domMaterial* material = daeSafeCast<domMaterial>(instance_mat->getTarget().getElement());
+			if (material)
+			{
+				domInstance_effect* instance_effect =
+					daeSafeCast<domInstance_effect>(material->getDescendant(daeElement::matchType(domInstance_effect::ID())));
+				if (instance_effect)
+				{
+					domEffect* effect = daeSafeCast<domEffect>(instance_effect->getUrl().getElement());
+					if (effect)
+					{
+						domProfile_COMMON* profile =
+							daeSafeCast<domProfile_COMMON>(effect->getDescendant(daeElement::matchType(domProfile_COMMON::ID())));
+						if (profile)
+						{
+							import_material = profileToMaterial(profile);
+						}
+					}
+				}
+			}
+		}
+		
+		materials.push_back(import_material);
+	}
+
+	return materials;
+}
+
+LLImportMaterial LLModelLoader::profileToMaterial(domProfile_COMMON* material)
+{
+	LLImportMaterial mat;
+	mat.mFullbright = FALSE;
+
+	daeElement* diffuse = material->getDescendant("diffuse");
+	if (diffuse)
+	{
+		domCommon_color_or_texture_type_complexType::domTexture* texture =
+			daeSafeCast<domCommon_color_or_texture_type_complexType::domTexture>(diffuse->getDescendant("texture"));
+		if (texture)
+		{
+			domCommon_newparam_type_Array newparams = material->getNewparam_array();
+			for (S32 i = 0; i < newparams.getCount(); i++)
+			{
+				domFx_surface_common* surface = newparams[i]->getSurface();
+				if (surface)
+				{
+					domFx_surface_init_common* init = surface->getFx_surface_init_common();
+					if (init)
+					{
+						domFx_surface_init_from_common_Array init_from = init->getInit_from_array();
+						
+						if (init_from.getCount() > i)
+						{
+							domImage* image = daeSafeCast<domImage>(init_from[i]->getValue().getElement());
+							if (image)
+							{
+								// we only support init_from now - embedded data will come later
+								domImage::domInit_from* init = image->getInit_from();
+								if (init)
+								{
+									std::string filename = cdom::uriToNativePath(init->getValue().str());
+																					
+									mat.mDiffuseMap = LLViewerTextureManager::getFetchedTextureFromUrl("file://" + filename, TRUE, LLViewerTexture::BOOST_PREVIEW);
+									mat.mDiffuseMap->setLoadedCallback(LLModelPreview::textureLoadedCallback, 0, TRUE, FALSE, this->mPreview, NULL, NULL);
+
+									mat.mDiffuseMap->forceToSaveRawImage();
+									mat.mDiffuseMapFilename = filename;
+									mat.mDiffuseMapLabel = getElementLabel(material);
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		
+		domCommon_color_or_texture_type_complexType::domColor* color =
+			daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(diffuse->getDescendant("color"));
+		if (color)
+		{
+			domFx_color_common domfx_color = color->getValue();
+			LLColor4 value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);
+			mat.mDiffuseColor = value;
+		}
+	}
+
+	daeElement* emission = material->getDescendant("emission");
+	if (emission)
+	{
+		LLColor4 emission_color = getDaeColor(emission);
+		if (((emission_color[0] + emission_color[1] + emission_color[2]) / 3.0) > 0.25)
+		{
+			mat.mFullbright = TRUE;
+		}
+	}
+
+	return mat;
+}
+
+// try to get a decent label for this element
+std::string LLModelLoader::getElementLabel(daeElement *element)
+{
+	// if we have a name attribute, use it
+	std::string name = element->getAttribute("name");
+	if (name.length())
+	{
+		return name;
+	}
+
+	// if we have an ID attribute, use it
+	if (element->getID())
+	{
+		return std::string(element->getID());
+	}
+
+	// if we have a parent, use it
+	daeElement* parent = element->getParent();
+	if (parent)
+	{
+		// if parent has a name, use it
+		std::string name = parent->getAttribute("name");
+		if (name.length())
+		{
+			return name;
+		}
+
+		// if parent has an ID, use it
+		if (parent->getID())
+		{
+			return std::string(parent->getID());
+		}
+	}
+
+	// try to use our type
+	daeString element_name = element->getElementName();
+	if (element_name)
+	{
+		return std::string(element_name);
+	}
+
+	// if all else fails, use "object"
+	return std::string("object");
+}
+
+LLColor4 LLModelLoader::getDaeColor(daeElement* element)
+{
+	LLColor4 value;
+	domCommon_color_or_texture_type_complexType::domColor* color =
+		daeSafeCast<domCommon_color_or_texture_type_complexType::domColor>(element->getDescendant("color"));
+	if (color)
+	{
+		domFx_color_common domfx_color = color->getValue();
+		value = LLColor4(domfx_color[0], domfx_color[1], domfx_color[2], domfx_color[3]);
+	}
+
+	return value;
+}
+
+//-----------------------------------------------------------------------------
+// LLModelPreview
+//-----------------------------------------------------------------------------
+
+LLModelPreview::LLModelPreview(S32 width, S32 height, LLFloaterModelPreview* fmp) 
+: LLViewerDynamicTexture(width, height, 3, ORDER_MIDDLE, FALSE), LLMutex(NULL)
+{
+	mNeedsUpdate = TRUE;
+	mCameraDistance = 0.f;
+	mCameraYaw = 0.f;
+	mCameraPitch = 0.f;
+	mCameraZoom = 1.f;
+	mTextureName = 0;
+	mPreviewLOD = 3;
+	mModelLoader = NULL;
+
+	mLODMode[0] = 0;
+
+	for (U32 i = 1; i < LLModel::NUM_LODS; i++)
+	{
+		mLODMode[i] = 1;
+		mLimit[i] = 0;
+	}
+
+	mFMP = fmp;
+
+	glodInit();
+}
+
+LLModelPreview::~LLModelPreview()
+{
+	if (mModelLoader)
+	{
+		delete mModelLoader;
+		mModelLoader = NULL;
+	}
+
+	//*HACK : *TODO : turn this back on when we understand why this crashes
+	//glodShutdown();
+}
+
+U32 LLModelPreview::calcResourceCost()
+{
+	rebuildUploadData();
+
+	U32 cost = 0;
+	std::set<LLModel*> accounted;
+	U32 num_points = 0;
+	U32 num_hulls = 0;
+
+	for (U32 i = 0; i < mUploadData.size(); ++i)
+	{
+		LLModelInstance& instance = mUploadData[i];
+
+		if (accounted.find(instance.mModel) == accounted.end())
+		{
+			accounted.insert(instance.mModel);
+
+			LLModel::physics_shape& physics_shape = instance.mLOD[LLModel::LOD_PHYSICS] ? instance.mLOD[LLModel::LOD_PHYSICS]->mPhysicsShape : instance.mModel->mPhysicsShape;
+
+			LLSD ret = LLModel::writeModel("",  
+									instance.mLOD[4], 
+									instance.mLOD[3], 
+									instance.mLOD[2], 
+									instance.mLOD[1], 
+									instance.mLOD[0],
+									physics_shape,
+									TRUE);
+			cost += gMeshRepo.calcResourceCost(ret);
+
+			
+			num_hulls += physics_shape.size();
+			for (U32 i = 0; i < physics_shape.size(); ++i)
+			{
+				num_points += physics_shape[i].size();
+			}
+		}
+	}
+
+	mFMP->childSetTextArg(info_name[LLModel::LOD_PHYSICS], "[HULLS]", llformat("%d",num_hulls));
+	mFMP->childSetTextArg(info_name[LLModel::LOD_PHYSICS], "[POINTS]", llformat("%d",num_points));				
+
+	updateStatusMessages();
+
+	return cost;
+}
+
+void LLModelPreview::rebuildUploadData()
+{
+	mUploadData.clear();
+	mTextureSet.clear();
+
+	//fill uploaddata instance vectors from scene data
+
+	for (LLModelLoader::scene::iterator iter = mBaseScene.begin(); iter != mBaseScene.end(); ++iter)
+	{ //for each transform in scene
+		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+		{ //for each instance with said transform applied
+			LLModelInstance& instance = *model_iter;
+
+			LLModel* base_model = instance.mModel;
+
+			S32 idx = 0;
+			for (idx = 0; idx < mBaseModel.size(); ++idx)
+			{  //find reference instance for this model
+				if (mBaseModel[idx] == base_model)
+				{
+					break;
+				}
+			}
+
+			for (U32 i = 0; i < LLModel::NUM_LODS; i++)
+			{ //fill LOD slots based on reference model index
+				if (!mModel[i].empty())
+				{
+					instance.mLOD[i] = mModel[i][idx];
+				}
+				else
+				{
+					instance.mLOD[i] = NULL;
+				}
+			}
+
+			mUploadData.push_back(instance);
+		}
+	}
+}
+
+
+void LLModelPreview::loadModel(std::string filename, S32 lod)
+{
+	LLMutexLock lock(this);
+	
+	if (mModelLoader)
+	{
+		delete mModelLoader;
+		mModelLoader = NULL;
+	}
+
+	if (filename.empty() && mBaseModel.empty())
+	{
+		mFMP->closeFloater(false);
+		return;
+	}
+
+	if (lod == 3 && !mGroup.empty())
+	{
+		for (std::map<LLModel*, U32>::iterator iter = mGroup.begin(); iter != mGroup.end(); ++iter)
+		{
+			glodDeleteGroup(iter->second);
+			stop_gloderror();
+		}
+
+		for (std::map<LLModel*, U32>::iterator iter = mObject.begin(); iter != mObject.end(); ++iter)
+		{
+			glodDeleteObject(iter->second);
+			stop_gloderror();
+		}
+
+		mGroup.clear();
+		mObject.clear();
+	}
+
+	mModelLoader = new LLModelLoader(filename, lod, this);
+
+	mModelLoader->start();
+
+	mFMP->childSetTextArg("status", "[STATUS]", mFMP->getString("status_reading_file"));
+
+	if (mFMP->childGetValue("description_form").asString().empty())
+	{
+		std::string name = gDirUtilp->getBaseFileName(filename, true);
+		mFMP->childSetValue("description_form", name);
+	}
+
+	mFMP->openFloater();
+}
+
+void LLModelPreview::clearIncompatible(S32 lod)
+{
+	for (U32 i = 0; i <= LLModel::LOD_HIGH; i++)
+	{ //clear out any entries that aren't compatible with this model
+		if (i != lod)
+		{
+			if (mModel[i].size() != mModel[lod].size())
+			{
+				mModel[i].clear();
+				mScene[i].clear();
+				mVertexBuffer[i].clear();
+
+				if (i == LLModel::LOD_HIGH)
+				{
+					mBaseModel = mModel[lod];
+					mBaseScene = mScene[lod];
+					mVertexBuffer[5].clear();
+				}
+			}
+		}
+	}
+}
+
+void LLModelPreview::loadModelCallback(S32 lod)
+{ //NOT the main thread
+	LLMutexLock lock(this);
+	if (!mModelLoader)
+	{
+		return;
+	}
+
+	mModel[lod] = mModelLoader->mModelList;
+	mScene[lod] = mModelLoader->mScene;
+	mVertexBuffer[lod].clear();
+	
+	setPreviewLOD(lod);
+	
+	
+	if (lod == LLModel::LOD_HIGH)
+	{ //save a copy of the highest LOD for automatic LOD manipulation
+		mBaseModel = mModel[lod];
+		mBaseScene = mScene[lod];
+		mVertexBuffer[5].clear();
+		//mModel[lod] = NULL;
+	}
+
+	clearIncompatible(lod);
+
+	mResourceCost = calcResourceCost();
+
+	mPreviewTarget = (mModelLoader->mExtents[0] + mModelLoader->mExtents[1]) * 0.5f;
+	mPreviewScale = (mModelLoader->mExtents[1] - mModelLoader->mExtents[0]) * 0.5f;
+	setPreviewTarget(mPreviewScale.magVec()*2.f);
+
+	mFMP->mLoading = FALSE;
+	refresh();
+}
+
+void LLModelPreview::smoothNormals()
+{
+	S32 which_lod = mPreviewLOD;
+
+
+	if (which_lod > 4 || which_lod < 0 ||
+		mModel[which_lod].empty())
+	{
+		return;
+	}
+
+	F32 angle_cutoff = mFMP->childGetValue("edge threshold").asReal();
+
+	angle_cutoff *= DEG_TO_RAD;
+
+	if (which_lod == 3 && !mBaseModel.empty())
+	{
+		for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)
+		{
+			(*iter)->smoothNormals(angle_cutoff);
+		}
+
+		mVertexBuffer[5].clear();
+	}
+
+	for (LLModelLoader::model_list::iterator iter = mModel[which_lod].begin(); iter != mModel[which_lod].end(); ++iter)
+	{
+		(*iter)->smoothNormals(angle_cutoff);
+	}
+	
+	mVertexBuffer[which_lod].clear();
+	refresh();
+
+}
+
+void LLModelPreview::consolidate()
+{
+	std::map<LLImportMaterial, std::vector<LLModelInstance> > composite;
+
+	LLMatrix4 identity;
+
+	//bake out each node in current scene to composite
+	for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)
+	{ //for each transform in current scene
+		LLMatrix4 mat = iter->first;
+		glh::matrix4f inv_trans = glh::matrix4f((F32*) mat.mMatrix).inverse().transpose();
+		LLMatrix4 norm_mat(inv_trans.m);
+
+		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+		{ //for each instance with that transform
+			LLModelInstance& source_instance = *model_iter;
+			LLModel* source = source_instance.mModel;
+			
+			if (!validate_model(source))
+			{
+				llerrs << "Invalid model found!" << llendl;
+			}
+
+			for (S32 i = 0; i < source->getNumVolumeFaces(); ++i)
+			{ //for each face in instance
+				const LLVolumeFace& src_face = source->getVolumeFace(i);
+				LLImportMaterial& source_material = source_instance.mMaterial[i];
+
+				//get model in composite that is composite for this material
+				LLModel* model = NULL;
+
+				if (composite.find(source_material) != composite.end())
+				{
+					model = composite[source_material].rbegin()->mModel;
+					if (model->getVolumeFace(0).mNumVertices + src_face.mNumVertices > 65535)
+					{
+						model = NULL;
+					}
+				}
+
+				if (model == NULL)
+				{  //no model found, make new model
+					std::vector<LLImportMaterial> materials;
+					materials.push_back(source_material);
+					LLVolumeParams volume_params;
+					volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+					model = new LLModel(volume_params, 0.f);
+					model->mLabel = source->mLabel;
+					model->setNumVolumeFaces(0);
+					composite[source_material].push_back(LLModelInstance(model, identity, materials));
+				}
+			
+				model->appendFace(src_face, source->mMaterialList[i], mat, norm_mat);
+			}
+		}
+	}
+
+
+	//condense composite into as few LLModel instances as possible
+	LLModelLoader::model_list new_model;
+	std::vector<LLModelInstance> instance_list;
+	
+	LLVolumeParams volume_params;
+	volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+
+	std::vector<LLImportMaterial> empty_material;
+	LLModelInstance cur_instance(new LLModel(volume_params, 0.f), identity, empty_material);
+	cur_instance.mModel->setNumVolumeFaces(0);
+
+	BOOL first_transform = TRUE;
+
+	LLModelLoader::scene new_scene;
+	LLVector3 min,max;
+
+	for (std::map<LLImportMaterial, std::vector<LLModelInstance> >::iterator iter = composite.begin();
+			iter != composite.end();
+			++iter)
+	{
+		std::map<LLImportMaterial, std::vector<LLModelInstance> >::iterator next_iter = iter; ++next_iter;
+		
+		for (std::vector<LLModelInstance>::iterator instance_iter = iter->second.begin(); 
+				instance_iter != iter->second.end();
+				++instance_iter)
+		{
+			LLModel* source = instance_iter->mModel;
+
+			if (instance_iter->mMaterial.size() != 1)
+			{
+				llerrs << "WTF?" << llendl;
+			}
+
+			if (source->getNumVolumeFaces() != 1)
+			{
+				llerrs << "WTF?" << llendl;
+			}
+
+			if (source->mMaterialList.size() != 1)
+			{
+				llerrs << "WTF?" << llendl;
+			}
+
+			cur_instance.mModel->addFace(source->getVolumeFace(0));
+			cur_instance.mMaterial.push_back(instance_iter->mMaterial[0]);
+			cur_instance.mModel->mMaterialList.push_back(source->mMaterialList[0]);
+
+			BOOL last_model = FALSE;
+		
+			std::vector<LLModelInstance>::iterator next_instance = instance_iter; ++next_instance;
+
+			if (next_iter == composite.end() &&
+				next_instance == iter->second.end())
+			{
+				last_model = TRUE;
+			}
+
+			if (last_model || cur_instance.mModel->getNumVolumeFaces() >= MAX_MODEL_FACES)
+			{
+				cur_instance.mModel->mLabel = source->mLabel;
+
+				cur_instance.mModel->optimizeVolumeFaces();
+				cur_instance.mModel->normalizeVolumeFaces();
+
+				if (!validate_model(cur_instance.mModel))
+				{
+					llerrs << "Invalid model detected." << llendl;
+				}
+
+				new_model.push_back(cur_instance.mModel);
+
+				LLMatrix4 transformation = LLMatrix4();
+
+				// adjust the transformation to compensate for mesh normalization
+				LLVector3 mesh_scale_vector;
+				LLVector3 mesh_translation_vector;
+				cur_instance.mModel->getNormalizedScaleTranslation(mesh_scale_vector, mesh_translation_vector);
+
+				LLMatrix4 mesh_translation;
+				mesh_translation.setTranslation(mesh_translation_vector);
+				mesh_translation *= transformation;
+				transformation = mesh_translation;
+				
+				LLMatrix4 mesh_scale;
+				mesh_scale.initScale(mesh_scale_vector);
+				mesh_scale *= transformation;
+				transformation = mesh_scale;
+							
+				cur_instance.mTransform = transformation;
+
+				new_scene[transformation].push_back(cur_instance);
+				stretch_extents(cur_instance.mModel, transformation, min, max, first_transform);
+
+				if (!last_model)
+				{
+					cur_instance = LLModelInstance(new LLModel(volume_params, 0.f), identity, empty_material);
+					cur_instance.mModel->setNumVolumeFaces(0);
+				}
+			}
+		}
+	}
+		
+	mScene[mPreviewLOD] = new_scene;
+	mModel[mPreviewLOD] = new_model;
+	mVertexBuffer[mPreviewLOD].clear();
+
+	if (mPreviewLOD == LLModel::LOD_HIGH)
+	{
+		mBaseScene = new_scene;
+		mBaseModel = new_model;
+		mVertexBuffer[5].clear();
+	}
+
+	mPreviewTarget = (min+max)*0.5f;
+	mPreviewScale = (max-min)*0.5f;
+	setPreviewTarget(mPreviewScale.magVec()*2.f);
+
+	clearIncompatible(mPreviewLOD);
+
+	mResourceCost = calcResourceCost();
+	refresh();
+}
+
+void LLModelPreview::scrubMaterials()
+{
+	for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)
+	{ //for each transform in current scene
+		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+		{ //for each instance with that transform
+			LLModelInstance& source_instance = *model_iter;
+			LLModel* source = source_instance.mModel;
+			
+			for (S32 i = 0; i < source->getNumVolumeFaces(); ++i)
+			{ //for each face in instance
+				LLImportMaterial& source_material = source_instance.mMaterial[i];
+
+				//clear material info
+				source_material.mDiffuseColor = LLColor4(1,1,1,1);
+				source_material.mDiffuseMap = NULL;
+				source_material.mDiffuseMapFilename.clear();
+				source_material.mDiffuseMapLabel.clear();
+				source_material.mFullbright = false;
+			}
+		}
+	}
+
+
+	mVertexBuffer[mPreviewLOD].clear();
+
+	if (mPreviewLOD == LLModel::LOD_HIGH)
+	{
+		mBaseScene = mScene[mPreviewLOD];
+		mBaseModel = mModel[mPreviewLOD];
+		mVertexBuffer[5].clear();
+	}
+
+	mResourceCost = calcResourceCost();
+	refresh();
+}
+
+void LLModelPreview::genLODs(S32 which_lod)
+{
+	if (mBaseModel.empty())
+	{
+		return;
+	}
+
+	LLVertexBuffer::unbind();
+
+	stop_gloderror();
+	static U32 cur_name = 1;
+
+	S32 limit = -1;
+
+	if (which_lod != -1)
+	{
+		limit = mLimit[which_lod];
+	}
+
+	U32 triangle_count = 0;
+
+	for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)
+	{
+		LLModel* mdl = *iter;
+		for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
+		{
+			triangle_count += mdl->getVolumeFace(i).mNumIndices/3;
+		}
+	}
+
+	U32 base_triangle_count = triangle_count;
+
+	U32 type_mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;
+
+	for (LLModelLoader::model_list::iterator iter = mBaseModel.begin(); iter != mBaseModel.end(); ++iter)
+	{ //build GLOD objects for each model in base model list
+		LLModel* mdl = *iter;
+		if (mGroup[mdl] == 0)
+		{
+			mGroup[mdl] = cur_name++;
+			mObject[mdl] = cur_name++;
+
+			glodNewGroup(mGroup[mdl]);
+			stop_gloderror();
+
+			glodGroupParameteri(mGroup[mdl], GLOD_ADAPT_MODE, GLOD_TRIANGLE_BUDGET);
+			stop_gloderror();		
+
+			glodGroupParameteri(mGroup[mdl], GLOD_ERROR_MODE, GLOD_OBJECT_SPACE_ERROR);
+			stop_gloderror();
+
+			glodGroupParameterf(mGroup[mdl], GLOD_OBJECT_SPACE_ERROR_THRESHOLD, 0.025f);
+			stop_gloderror();
+
+			glodNewObject(mObject[mdl], mGroup[mdl], GLOD_DISCRETE);
+			stop_gloderror();
+
+			if (iter == mBaseModel.begin() && !mdl->mSkinWeights.empty())
+			{ //regenerate vertex buffer for skinned models to prevent animation feedback during LOD generation
+				mVertexBuffer[5].clear();
+			}
+
+			if (mVertexBuffer[5].empty())
+			{
+				genBuffers(5);
+			}
+
+			U32 tri_count = 0;
+			for (U32 i = 0; i < mVertexBuffer[5][mdl].size(); ++i)
+			{
+				mVertexBuffer[5][mdl][i]->setBuffer(type_mask);
+				U32 num_indices = mVertexBuffer[5][mdl][i]->getNumIndices();
+				if (num_indices > 2)
+				{
+					glodInsertElements(mObject[mdl], i, GL_TRIANGLES, num_indices, GL_UNSIGNED_SHORT, mVertexBuffer[5][mdl][i]->getIndicesPointer(), 0, 0.f);
+				}
+				tri_count += num_indices/3;
+				stop_gloderror();
+			}
+
+			//store what percentage of total model (in terms of triangle count) this model makes up
+			mPercentage[mdl] = (F32) tri_count / (F32) base_triangle_count;
+
+			//build glodobject
+			glodBuildObject(mObject[mdl]);
+			if (stop_gloderror())
+			{
+				glodDeleteGroup(mGroup[mdl]);
+				stop_gloderror();
+				glodDeleteObject(mObject[mdl]);
+				stop_gloderror();
+
+				mGroup[mdl] = 0;
+				mObject[mdl] = 0;
+
+				if (which_lod == -1)
+				{
+						mModel[LLModel::LOD_HIGH] = mBaseModel;
+				}
+
+				return;
+			}
+
+		}
+		
+		if (which_lod == -1 || mLODMode[which_lod] == 1)
+		{
+			//generating LODs for all entries, or this entry has a triangle budget
+			glodGroupParameteri(mGroup[mdl], GLOD_ADAPT_MODE, GLOD_TRIANGLE_BUDGET);
+			stop_gloderror();		
+		}
+		else
+		{ 
+			//this entry uses error mode
+			glodGroupParameteri(mGroup[mdl], GLOD_ADAPT_MODE, GLOD_OBJECT_SPACE_ERROR);
+			stop_gloderror();
+		}
+
+		if (which_lod != -1 && mLODMode[which_lod] == 2)
+		{
+			glodGroupParameterf(mGroup[mdl], GLOD_OBJECT_SPACE_ERROR_THRESHOLD, llmax(limit/100.f, 0.01f));
+			stop_gloderror();
+		}
+		else
+		{
+			glodGroupParameterf(mGroup[mdl], GLOD_OBJECT_SPACE_ERROR_THRESHOLD, 0.025f);
+			stop_gloderror();
+		}
+	}
+
+
+	S32 start = LLModel::LOD_HIGH;
+	S32 end = 0;
+
+	BOOL error_mode = FALSE;
+
+	if (which_lod != -1)
+	{
+		start = end = which_lod;
+
+		if (mLODMode[which_lod] == 2)
+		{
+			error_mode = TRUE;
+		}
+	}
+	
+	
+	for (S32 lod = start; lod >= end; --lod)
+	{
+		if (!error_mode)
+		{
+			if (which_lod == -1)
+			{
+				if (lod < start)
+				{
+					triangle_count /= 3;
+				}
+			}
+			else
+			{
+				triangle_count = limit;
+			}
+		}
+
+		mModel[lod].clear();
+		mModel[lod].resize(mBaseModel.size());
+		mVertexBuffer[lod].clear();
+
+		U32 actual_tris = 0;
+		U32 actual_verts = 0;
+		U32 submeshes = 0;
+
+		for (U32 mdl_idx = 0; mdl_idx < mBaseModel.size(); ++mdl_idx)
+		{ 
+			LLModel* base = mBaseModel[mdl_idx];
+
+			U32 target_count = U32(mPercentage[base]*triangle_count);
+
+			if (error_mode)
+			{
+				target_count = base->getNumTriangles();
+			}
+
+			if (target_count < 4)
+			{ 
+				target_count = 4;
+			}
+
+			if (which_lod == -1 || mLODMode[which_lod] == 1)
+			{
+				glodGroupParameteri(mGroup[base], GLOD_MAX_TRIANGLES, target_count);
+				stop_gloderror();
+			}
+			
+			glodAdaptGroup(mGroup[base]);
+			stop_gloderror();
+
+			GLint patch_count = 0;
+			glodGetObjectParameteriv(mObject[base], GLOD_NUM_PATCHES, &patch_count);
+			stop_gloderror();
+
+			LLVolumeParams volume_params;
+			volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+			mModel[lod][mdl_idx] = new LLModel(volume_params, 0.f);
+
+			GLint* sizes = new GLint[patch_count*2];
+			glodGetObjectParameteriv(mObject[base], GLOD_PATCH_SIZES, sizes);
+			stop_gloderror();
+
+			GLint* names = new GLint[patch_count];
+			glodGetObjectParameteriv(mObject[base], GLOD_PATCH_NAMES, names);
+			stop_gloderror();
+
+			mModel[lod][mdl_idx]->setNumVolumeFaces(patch_count);
+			
+			LLModel* target_model = mModel[lod][mdl_idx];
+
+			for (GLint i = 0; i < patch_count; ++i)
+			{
+				LLPointer<LLVertexBuffer> buff = new LLVertexBuffer(type_mask, 0);
+				
+				if (sizes[i*2+1] > 0 && sizes[i*2] > 0)
+				{
+					buff->allocateBuffer(sizes[i*2+1], sizes[i*2], true);
+					buff->setBuffer(type_mask);
+					glodFillElements(mObject[base], names[i], GL_UNSIGNED_SHORT, buff->getIndicesPointer());
+					stop_gloderror();
+				}
+				else
+				{ //this face was eliminated, create a dummy triangle (one vertex, 3 indices, all 0)
+					buff->allocateBuffer(1, 3, true);
+					memset(buff->getMappedData(), 0, buff->getSize());
+					memset(buff->getIndicesPointer(), 0, buff->getIndicesSize());
+				}
+				
+				buff->validateRange(0, buff->getNumVerts()-1, buff->getNumIndices(), 0);
+
+				LLStrider<LLVector3> pos;
+				LLStrider<LLVector3> norm;
+				LLStrider<LLVector2> tc;
+				LLStrider<U16> index;
+
+				buff->getVertexStrider(pos);
+				buff->getNormalStrider(norm);
+				buff->getTexCoord0Strider(tc);
+				buff->getIndexStrider(index);
+
+
+				target_model->setVolumeFaceData(names[i], pos, norm, tc, index, buff->getNumVerts(), buff->getNumIndices());
+				actual_tris += buff->getNumIndices()/3;
+				actual_verts += buff->getNumVerts();
+				++submeshes;
+
+				if (!validate_face(target_model->getVolumeFace(names[i])))
+				{
+					llerrs << "Invalid face generated during LOD generation." << llendl;
+				}
+			}
+
+			//blind copy skin weights and just take closest skin weight to point on
+			//decimated mesh for now (auto-generating LODs with skin weights is still a bit
+			//of an open problem).
+			target_model->mPosition = base->mPosition;
+			target_model->mSkinWeights = base->mSkinWeights;
+			target_model->mJointMap = base->mJointMap;
+			target_model->mJointList = base->mJointList;
+			target_model->mInvBindMatrix = base->mInvBindMatrix;
+			target_model->mBindShapeMatrix = base->mBindShapeMatrix;
+
+			if (!validate_model(target_model))
+			{
+				llerrs << "Invalid model generated when creating LODs" << llendl;
+			}
+
+			delete [] sizes;
+			delete [] names;
+		}
+
+		//rebuild scene based on mBaseScene
+		mScene[lod].clear();
+		mScene[lod] = mBaseScene;
+
+		for (U32 i = 0; i < mBaseModel.size(); ++i)
+		{
+			LLModel* mdl = mBaseModel[i];
+			LLModel* target = mModel[lod][i];
+			if (target)
+			{
+				for (LLModelLoader::scene::iterator iter = mScene[lod].begin(); iter != mScene[lod].end(); ++iter)
+				{
+					for (U32 j = 0; j < iter->second.size(); ++j)
+					{
+						if (iter->second[j].mModel == mdl)
+						{
+							iter->second[j].mModel = target;
+						}
+					}
+				}
+			}
+		}
+		
+		mResourceCost = calcResourceCost();
+	}
+}
+
+void LLModelPreview::updateStatusMessages()
+{
+	//triangle/vertex/submesh count for each mesh asset for each lod
+	std::vector<S32> tris[LLModel::NUM_LODS];
+	std::vector<S32> verts[LLModel::NUM_LODS];
+	std::vector<S32> submeshes[LLModel::NUM_LODS];
+	
+	//total triangle/vertex/submesh count for each lod
+	S32 total_tris[LLModel::NUM_LODS];
+	S32 total_verts[LLModel::NUM_LODS];
+	S32 total_submeshes[LLModel::NUM_LODS];
+
+	for (S32 lod = 0; lod <= LLModel::LOD_HIGH; ++lod)
+	{
+		//initialize total for this lod to 0
+		total_tris[lod] = total_verts[lod] = total_submeshes[lod] = 0;
+
+		for (U32 i = 0; i < mModel[lod].size(); ++i)
+		{ //for each model in the lod
+			S32 cur_tris = 0;
+			S32 cur_verts = 0;
+			S32 cur_submeshes = mModel[lod][i]->getNumVolumeFaces();
+
+			for (S32 j = 0; j < cur_submeshes; ++j)
+			{ //for each submesh (face), add triangles and vertices to current total
+				const LLVolumeFace& face = mModel[lod][i]->getVolumeFace(j);
+				cur_tris += face.mNumIndices/3;
+				cur_verts += face.mNumVertices;
+			}
+
+			//add this model to the lod total
+			total_tris[lod] += cur_tris;
+			total_verts[lod] += cur_verts;
+			total_submeshes[lod] += cur_submeshes;
+
+			//store this model's counts to asset data
+			tris[lod].push_back(cur_tris);
+			verts[lod].push_back(cur_verts);
+			submeshes[lod].push_back(cur_submeshes);
+		}
+	}
+	
+
+	std::string upload_message;
+
+	for (S32 lod = 0; lod <= LLModel::LOD_HIGH; ++lod)
+	{
+		mFMP->childSetTextArg(info_name[lod], "[TRIANGLES]", llformat("%d", total_tris[lod]));
+		mFMP->childSetTextArg(info_name[lod], "[VERTICES]", llformat("%d", total_verts[lod]));
+		mFMP->childSetTextArg(info_name[lod], "[SUBMESHES]", llformat("%d", total_submeshes[lod]));
+
+		std::string message = "good";
+		
+		const U32 lod_high = LLModel::LOD_HIGH;
+
+		if (lod != lod_high)
+		{
+			if (total_submeshes[lod] == 0)
+			{ //no model loaded for this lod, see if one is required
+				for (U32 i = 0; i < verts[lod_high].size(); ++i)
+				{
+					const F32 ratio = 0.5f;
+					const S32 required_verts = 128;
+
+					F32 scaler = powf(0.5f, lod_high-lod);
+					S32 max_verts = verts[lod_high][i]*scaler;
+
+					if (max_verts > required_verts)
+					{ //some model in this slot might have more than 128 vertices
+					  	
+						//if any model higher up the chain has more than 128 vertices, 
+						// lod is required here
+						for (S32 j = lod+1; j <= LLModel::LOD_HIGH; ++j)
+						{
+							if (verts[j].size() > i && verts[j][i] > 128)
+							{
+								message = "required";
+								upload_message = "missing_lod";
+							}
+						}
+					}
+				}
+			}
+			else if (total_submeshes[lod] != total_submeshes[lod_high])
+			{
+				message = "mesh_mismatch";
+				upload_message = "bad_lod";
+			}
+			else if (tris[lod].size() != tris[lod_high].size())
+			{
+				message = "model_mismatch";
+				upload_message = "bad_lod";
+			}
+			else
+			{
+				for (U32 i = 0; i < verts[lod].size(); ++i)
+				{
+					const F32 ratio = 0.5f;
+					
+					F32 scaler = powf(0.5f, lod_high-lod);
+					S32 max_verts = verts[lod_high][i]*scaler;
+
+					if (verts[lod][i] > max_verts)
+					{
+						message = "too_heavy";
+						upload_message = "bad_lod";
+					}
+				}
+			}
+		}
+
+		mFMP->childSetTextArg(info_name[lod], "[MESSAGE]", mFMP->getString(message));
+	}
+
+	if (upload_message.empty())
+	{
+		mFMP->childSetTextArg("upload_message", "[MESSAGE]", std::string(""));
+		mFMP->childEnable("ok_btn");
+	}
+	else
+	{
+		mFMP->childSetTextArg("upload_message", "[MESSAGE]", mFMP->getString(upload_message));
+		mFMP->childDisable("ok_btn");
+	}
+}
+
+void LLModelPreview::setPreviewTarget(F32 distance)
+{ 
+	mCameraDistance = distance;
+	mCameraZoom = 1.f;
+	mCameraPitch = 0.f;
+	mCameraYaw = 0.f;
+	mCameraOffset.clearVec();
+}
+
+void LLModelPreview::genBuffers(S32 lod)
+{
+	U32 tri_count = 0;
+	U32 vertex_count = 0;
+	U32 mesh_count = 0;
+
+	LLModelLoader::model_list* model = NULL;
+
+	if (lod < 0 || lod > 4)
+	{
+		model = &mBaseModel;
+		lod = 5;
+	}
+	else
+	{
+		model = &(mModel[lod]);
+	}
+
+	if (!mVertexBuffer[lod].empty())
+	{
+		mVertexBuffer[lod].clear();
+	}
+
+	mVertexBuffer[lod].clear();
+
+	LLModelLoader::model_list::iterator base_iter = mBaseModel.begin();
+
+	for (LLModelLoader::model_list::iterator iter = model->begin(); iter != model->end(); ++iter)
+	{
+		LLModel* mdl = *iter;
+		if (!mdl)
+		{
+			continue;
+		}
+
+		LLModel* base_mdl = *base_iter;
+		base_iter++;
+
+		for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
+		{
+			const LLVolumeFace &vf = mdl->getVolumeFace(i);
+			U32 num_vertices = vf.mNumVertices;
+			U32 num_indices = vf.mNumIndices;
+
+			if (!num_vertices || ! num_indices)
+			{
+				continue;
+			}
+
+			LLVertexBuffer* vb = NULL;
+			
+			bool skinned = !mdl->mSkinWeights.empty();
+
+			U32 mask = LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0;
+			
+			if (skinned)
+			{
+				mask |= LLVertexBuffer::MAP_WEIGHT4;
+			}
+
+			vb = new LLVertexBuffer(mask, 0);
+			
+			vb->allocateBuffer(num_vertices, num_indices, TRUE);
+
+			LLStrider<LLVector3> vertex_strider;
+			LLStrider<LLVector3> normal_strider;
+			LLStrider<LLVector2> tc_strider;
+			LLStrider<U16> index_strider;
+			LLStrider<LLVector4> weights_strider;
+
+			vb->getVertexStrider(vertex_strider);
+			vb->getNormalStrider(normal_strider);
+			vb->getTexCoord0Strider(tc_strider);
+			vb->getIndexStrider(index_strider);
+
+			if (skinned)
+			{
+				vb->getWeight4Strider(weights_strider);
+			}
+			
+			LLVector4a::memcpyNonAliased16((F32*) vertex_strider.get(), (F32*) vf.mPositions, num_vertices*4*sizeof(F32));
+			LLVector4a::memcpyNonAliased16((F32*) tc_strider.get(), (F32*) vf.mTexCoords, num_vertices*2*sizeof(F32));
+			LLVector4a::memcpyNonAliased16((F32*) normal_strider.get(), (F32*) vf.mNormals, num_vertices*4*sizeof(F32));
+
+			if (skinned)
+			{
+				// build vertices and normals
+				for (U32 i = 0; i < num_vertices; i++)
+				{
+					//find closest weight to vf.mVertices[i].mPosition
+					LLVector3 pos(vf.mPositions[i].getF32ptr());
+
+					LLModel::weight_list weight_list = base_mdl->getJointInfluences(pos);
+
+					LLVector4 w(0,0,0,0);
+					if (weight_list.size() > 4)
+					{
+						llerrs << "WTF?" << llendl;
+					}
+
+					for (U32 i = 0; i < weight_list.size(); ++i)
+					{
+						F32 wght = llmin(weight_list[i].mWeight, 0.999999f);
+						F32 joint = (F32) weight_list[i].mJointIdx;
+						w.mV[i] = joint + wght;
+					}
+					
+					*(weights_strider++) = w;
+				}
+			}
+
+			// build indices
+			for (U32 i = 0; i < num_indices; i++)
+			{
+				*(index_strider++) = vf.mIndices[i];
+			}
+
+			mVertexBuffer[lod][mdl].push_back(vb);
+
+			vertex_count += num_vertices;
+			tri_count += num_indices/3;
+			++mesh_count;
+
+		}
+	}
+
+	if (lod == 4)
+	{
+		for (U32 i = 0; i < 4; i++)
+		{
+			LLSpinCtrl* lim = mFMP->getChild<LLSpinCtrl>(limit_name[i], TRUE);
+
+			lim->setMaxValue(tri_count);
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+// render()
+//-----------------------------------------------------------------------------
+BOOL LLModelPreview::render()
+{
+	LLMutexLock lock(this);
+	mNeedsUpdate = FALSE;
+
+	S32 width = getWidth();
+	S32 height = getHeight();
+
+	LLGLSUIDefault def;
+	LLGLDisable no_blend(GL_BLEND);
+	LLGLEnable cull(GL_CULL_FACE);
+	LLGLDepthTest depth(GL_TRUE);
+	LLGLDisable fog(GL_FOG);
+
+	glMatrixMode(GL_PROJECTION);
+	gGL.pushMatrix();
+	glLoadIdentity();
+	glOrtho(0.0f, width, 0.0f, height, -1.0f, 1.0f);
+
+	glMatrixMode(GL_MODELVIEW);
+	gGL.pushMatrix();
+	glLoadIdentity();
+		
+	gGL.color4f(0.15f, 0.2f, 0.3f, 1.f);
+
+	gl_rect_2d_simple( width, height );
+
+	bool avatar_preview = false;
+	for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)
+	{
+		for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+		{
+			LLModelInstance& instance = *model_iter;
+			LLModel* model = instance.mModel;
+			if (!model->mSkinWeights.empty())
+			{
+				avatar_preview = true;
+			}
+		}
+	}
+
+	mFMP->childSetEnabled("consolidate", !avatar_preview);
+	
+	F32 explode = mFMP->childGetValue("explode").asReal();
+
+	glMatrixMode(GL_PROJECTION);
+	gGL.popMatrix();
+
+	glMatrixMode(GL_MODELVIEW);
+	gGL.popMatrix();
+
+	glClear(GL_DEPTH_BUFFER_BIT);
+
+	LLViewerCamera::getInstance()->setAspect((F32) width / height );
+	LLViewerCamera::getInstance()->setView(LLViewerCamera::getInstance()->getDefaultFOV() / mCameraZoom);
+
+	LLVector3 target_pos = mPreviewTarget;
+	LLVector3 offset = mCameraOffset;
+
+	F32 z_near = llmax(mCameraDistance-mPreviewScale.magVec(), 0.001f);
+	F32 z_far = mCameraDistance+mPreviewScale.magVec();
+
+	if (avatar_preview)
+	{
+		target_pos = gAgentAvatarp->getPositionAgent();
+		z_near = 0.01f;
+		z_far = 1024.f;
+		mCameraDistance = 16.f;
+
+		//render avatar previews every frame
+		refresh();
+	}
+
+	LLQuaternion camera_rot = LLQuaternion(mCameraPitch, LLVector3::y_axis) * 
+		LLQuaternion(mCameraYaw, LLVector3::z_axis);
+
+	LLQuaternion av_rot = camera_rot;
+	LLViewerCamera::getInstance()->setOriginAndLookAt(
+		target_pos + ((LLVector3(mCameraDistance, 0.f, 0.f) + offset) * av_rot),		// camera
+		LLVector3::z_axis,																	// up
+		target_pos);											// point of interest
+
+	
+	LLViewerCamera::getInstance()->setPerspective(FALSE, mOrigin.mX, mOrigin.mY, width, height, FALSE, z_near, z_far);
+
+	stop_glerror();
+
+	gPipeline.enableLightsAvatar();
+
+	gGL.pushMatrix();
+	const F32 BRIGHTNESS = 0.9f;
+	gGL.color3f(BRIGHTNESS, BRIGHTNESS, BRIGHTNESS);
+	
+	LLGLEnable normalize(GL_NORMALIZE);
+
+	if (!mBaseModel.empty() && mVertexBuffer[5].empty())
+	{
+		genBuffers(-1);
+		genBuffers(3);
+		//genLODs();
+	}
+
+	bool physics = (mPreviewLOD == LLModel::LOD_PHYSICS);
+
+	S32 physics_idx = -1;
+
+	bool render_mesh = true;
+	bool render_hull = false;
+
+	if (physics && mFMP->mDecompFloater)
+	{
+		physics_idx = mFMP->mDecompFloater->childGetValue("model").asInteger();
+		render_mesh = mFMP->mDecompFloater->childGetValue("render_mesh").asBoolean();
+		render_hull = mFMP->mDecompFloater->childGetValue("render_hull").asBoolean();
+	}
+
+	if (!mModel[mPreviewLOD].empty())
+	{
+		if (mVertexBuffer[mPreviewLOD].empty())
+		{
+			genBuffers(mPreviewLOD);
+		}
+
+		if (!avatar_preview)
+		{
+			for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)
+			{
+				gGL.pushMatrix();
+				LLMatrix4 mat = iter->first;
+
+				glMultMatrixf((GLfloat*) mat.mMatrix);				
+				
+				for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+				{
+					LLModelInstance& instance = *model_iter;
+					LLModel* model = instance.mModel;
+
+					if (instance.mTransform != mat)
+					{
+						llerrs << "WTF?" << llendl;
+					}
+
+					if (render_mesh)
+					{
+						for (U32 i = 0; i < mVertexBuffer[mPreviewLOD][model].size(); ++i)
+						{
+							LLVertexBuffer* buffer = mVertexBuffer[mPreviewLOD][model][i];
+
+							buffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);
+							if (physics)
+							{
+								if (physics_idx > -1 && model == mModel[mPreviewLOD][physics_idx])
+								{
+									glColor4f(1,0,0,1);
+								}
+								else
+								{
+									glColor4f(0.75f, 0.75f, 0.75f, 1.f);
+								}
+							}
+							else
+							{
+								glColor4fv(instance.mMaterial[i].mDiffuseColor.mV);
+								if (i < instance.mMaterial.size() && instance.mMaterial[i].mDiffuseMap.notNull())
+								{
+									gGL.getTexUnit(0)->bind(instance.mMaterial[i].mDiffuseMap, true);
+									if (instance.mMaterial[i].mDiffuseMap->getDiscardLevel() > -1)
+									{
+										mTextureSet.insert(instance.mMaterial[i].mDiffuseMap);
+									}
+								}
+							}
+
+							buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);
+							gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+							glColor3f(0.4f, 0.4f, 0.4f);
+
+							if (mFMP->childGetValue("show edges").asBoolean())
+							{
+								glLineWidth(3.f);
+								glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+								buffer->drawRange(LLRender::TRIANGLES, 0, buffer->getNumVerts()-1, buffer->getNumIndices(), 0);
+								glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+								glLineWidth(1.f);
+							}
+						}
+					}
+
+					if (render_hull)
+					{
+						LLPhysicsDecomp* decomp = gMeshRepo.mDecompThread;
+						if (decomp)
+						{
+							LLMutexLock(decomp->mMutex);
+												
+							std::map<LLModel*, std::vector<LLPointer<LLVertexBuffer> > >::iterator iter = 
+								mPhysicsMesh.find(model);
+							if (iter != mPhysicsMesh.end())
+							{
+								for (U32 i = 0; i < iter->second.size(); ++i)
+								{
+									if (explode > 0.f)
+									{
+										gGL.pushMatrix();
+
+										LLVector3 offset = model->mHullCenter[i]-model->mPhysicsCenter;
+										offset *= explode;
+
+										gGL.translatef(offset.mV[0], offset.mV[1], offset.mV[2]);
+									}
+
+									static std::vector<LLColor4U> hull_colors;
+
+									if (i+1 >= hull_colors.size())
+									{
+										hull_colors.push_back(LLColor4U(rand()%128+127, rand()%128+127, rand()%128+127, 255));
+									}
+
+									LLVertexBuffer* buff = iter->second[i];
+									if (buff)
+									{
+										buff->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL);			
+
+										glColor4ubv(hull_colors[i].mV);
+										buff->drawArrays(LLRender::TRIANGLES, 0, buff->getNumVerts());
+									
+										if (mFMP->childGetValue("show edges").asBoolean())
+										{
+											glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+											glLineWidth(3.f);
+											glColor4ub(hull_colors[i].mV[0]/2, hull_colors[i].mV[1]/2, hull_colors[i].mV[2]/2, 255);
+											buff->drawArrays(LLRender::TRIANGLES, 0, buff->getNumVerts());
+											glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+											glLineWidth(1.f);
+										}	
+									}
+
+									if (explode > 0.f)
+									{
+										gGL.popMatrix();
+									}
+								}
+							}
+						}	
+
+						//mFMP->childSetTextArg(info_name[LLModel::LOD_PHYSICS], "[HULLS]", llformat("%d",decomp->mHulls.size()));
+						//mFMP->childSetTextArg(info_name[LLModel::LOD_PHYSICS], "[POINTS]", llformat("%d",decomp->mTotalPoints));				
+					}
+				}
+
+				gGL.popMatrix();
+			}
+
+			if (physics)
+			{
+				mPreviewLOD = LLModel::LOD_PHYSICS;
+			}
+		}
+		else
+		{
+			LLVOAvatarSelf* avatar = gAgentAvatarp;
+			target_pos = avatar->getPositionAgent();
+
+			LLViewerCamera::getInstance()->setOriginAndLookAt(
+				target_pos + ((LLVector3(mCameraDistance, 0.f, 0.f) + offset) * av_rot),		// camera
+				LLVector3::z_axis,																	// up
+				target_pos);											// point of interest
+
+			avatar->renderCollisionVolumes();
+
+			for (LLModelLoader::scene::iterator iter = mScene[mPreviewLOD].begin(); iter != mScene[mPreviewLOD].end(); ++iter)
+			{
+				for (LLModelLoader::model_instance_list::iterator model_iter = iter->second.begin(); model_iter != iter->second.end(); ++model_iter)
+				{
+					LLModelInstance& instance = *model_iter;
+					LLModel* model = instance.mModel;
+
+					if (!model->mSkinWeights.empty())
+					{
+						for (U32 i = 0; i < mVertexBuffer[mPreviewLOD][model].size(); ++i)
+						{
+							LLVertexBuffer* buffer = mVertexBuffer[mPreviewLOD][model][i];
+
+							const LLVolumeFace& face = model->getVolumeFace(i);
+
+							LLStrider<LLVector3> position;
+							buffer->getVertexStrider(position);
+							
+							LLStrider<LLVector4> weight;
+							buffer->getWeight4Strider(weight);
+							
+							//quick 'n dirty software vertex skinning
+
+							//build matrix palette
+							LLMatrix4 mat[64];
+							for (U32 j = 0; j < model->mJointList.size(); ++j)
+							{
+								LLJoint* joint = avatar->getJoint(model->mJointList[j]);
+								if (joint)
+								{
+									mat[j] = model->mInvBindMatrix[j];
+									mat[j] *= joint->getWorldMatrix();
+								}
+							}
+
+							for (U32 j = 0; j < buffer->getRequestedVerts(); ++j)
+							{
+								LLMatrix4 final_mat;
+								final_mat.mMatrix[0][0] = final_mat.mMatrix[1][1] = final_mat.mMatrix[2][2] = final_mat.mMatrix[3][3] = 0.f;
+
+								LLVector4 wght;
+								S32 idx[4];
+
+								F32 scale = 0.f;
+								for (U32 k = 0; k < 4; k++)
+								{
+									F32 w = weight[j].mV[k];
+
+									idx[k] = (S32) floorf(w);
+									wght.mV[k] = w - floorf(w);
+									scale += wght.mV[k];
+								}
+
+								wght *= 1.f/scale;						
+
+								for (U32 k = 0; k < 4; k++)
+								{
+									F32* src = (F32*) mat[idx[k]].mMatrix;
+									F32* dst = (F32*) final_mat.mMatrix;
+
+									F32 w = wght.mV[k];
+
+									for (U32 l = 0; l < 16; l++)
+									{
+										dst[l] += src[l]*w;
+									}
+								}
+
+								//VECTORIZE THIS
+								LLVector3 v(face.mPositions[j].getF32ptr());
+								
+								v = v * model->mBindShapeMatrix;
+								v = v * final_mat;
+
+								position[j] = v;
+							}
+
+							buffer->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);
+							glColor4fv(instance.mMaterial[i].mDiffuseColor.mV);
+							gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
+							buffer->draw(LLRender::TRIANGLES, buffer->getNumIndices(), 0);
+							glColor3f(0.4f, 0.4f, 0.4f);
+
+							if (mFMP->childGetValue("show edges").asBoolean())
+							{
+								glLineWidth(3.f);
+								glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+								buffer->draw(LLRender::TRIANGLES, buffer->getNumIndices(), 0);
+								glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+								glLineWidth(1.f);
+							}
+						}
+					}
+				}
+			}
+		}
+	}
+
+	gGL.popMatrix();
+		
+	return TRUE;
+}
+
+//-----------------------------------------------------------------------------
+// refresh()
+//-----------------------------------------------------------------------------
+void LLModelPreview::refresh()
+{ 
+	mNeedsUpdate = TRUE; 
+}
+
+//-----------------------------------------------------------------------------
+// rotate()
+//-----------------------------------------------------------------------------
+void LLModelPreview::rotate(F32 yaw_radians, F32 pitch_radians)
+{
+	mCameraYaw = mCameraYaw + yaw_radians;
+
+	mCameraPitch = llclamp(mCameraPitch + pitch_radians, F_PI_BY_TWO * -0.8f, F_PI_BY_TWO * 0.8f);
+}
+
+//-----------------------------------------------------------------------------
+// zoom()
+//-----------------------------------------------------------------------------
+void LLModelPreview::zoom(F32 zoom_amt)
+{
+	F32 new_zoom = mCameraZoom+zoom_amt;
+		
+	mCameraZoom	= llclamp(new_zoom, 1.f, 10.f);
+}
+
+void LLModelPreview::pan(F32 right, F32 up)
+{
+	mCameraOffset.mV[VY] = llclamp(mCameraOffset.mV[VY] + right * mCameraDistance / mCameraZoom, -1.f, 1.f);
+	mCameraOffset.mV[VZ] = llclamp(mCameraOffset.mV[VZ] + up * mCameraDistance / mCameraZoom, -1.f, 1.f);
+}
+
+void LLModelPreview::setPreviewLOD(S32 lod)
+{
+	mPreviewLOD = llclamp(lod, 0, 4);
+	refresh();
+}
+
+//static 
+void LLFloaterModelPreview::onBrowseHighLOD(void* data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) data;
+	mp->loadModel(3);
+}
+
+//static 
+void LLFloaterModelPreview::onBrowseMediumLOD(void* data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) data;
+	mp->loadModel(2);
+}
+
+//static 
+void LLFloaterModelPreview::onBrowseLowLOD(void* data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) data;
+	mp->loadModel(1);
+}
+
+//static 
+void LLFloaterModelPreview::onBrowseLowestLOD(void* data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) data;
+	mp->loadModel(0);
+}
+
+//static
+void LLFloaterModelPreview::onUpload(void* user_data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) user_data;
+
+	if (mp->mDecompFloater)
+	{
+		mp->mDecompFloater->closeFloater();
+	}
+
+	mp->mModelPreview->rebuildUploadData();
+		
+	gMeshRepo.uploadModel(mp->mModelPreview->mUploadData, mp->mModelPreview->mPreviewScale, mp->childGetValue("upload_textures").asBoolean());
+
+	mp->closeFloater(false);
+}
+
+//static 
+void LLFloaterModelPreview::onConsolidate(void* user_data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) user_data;
+	mp->mModelPreview->consolidate();
+}
+
+//static 
+void LLFloaterModelPreview::onScrubMaterials(void* user_data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) user_data;
+	mp->mModelPreview->scrubMaterials();
+}
+
+//static 
+void LLFloaterModelPreview::onDecompose(void* user_data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) user_data;
+	mp->showDecompFloater();
+}
+
+//static
+void LLFloaterModelPreview::onModelDecompositionComplete(LLModel* model, std::vector<LLPointer<LLVertexBuffer> >& physics_mesh)
+{
+	if (sInstance && sInstance->mModelPreview)
+	{
+		sInstance->mModelPreview->mPhysicsMesh[model] = physics_mesh;
+
+		sInstance->mModelPreview->mResourceCost = sInstance->mModelPreview->calcResourceCost();
+	}
+}
+
+
+//static 
+void LLFloaterModelPreview::refresh(LLUICtrl* ctrl, void* user_data)
+{
+	LLFloaterModelPreview* mp = (LLFloaterModelPreview*) user_data;
+	mp->mModelPreview->refresh();
+}
+
+void LLFloaterModelPreview::updateResourceCost()
+{
+	U32 cost = mModelPreview->mResourceCost;
+	childSetLabelArg("ok_btn", "[AMOUNT]", llformat("%d",cost));
+}
+
+//static
+void LLModelPreview::textureLoadedCallback( BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* src_aux, S32 discard_level, BOOL final, void* userdata )
+{
+	LLModelPreview* preview = (LLModelPreview*) userdata;
+	preview->refresh();
+}
+
+#endif
+
diff --git a/indra/newview/llfloatermodelpreview.h b/indra/newview/llfloatermodelpreview.h
new file mode 100644
index 0000000000..1f9de2e2b9
--- /dev/null
+++ b/indra/newview/llfloatermodelpreview.h
@@ -0,0 +1,275 @@
+/**
+ * @file llfloatermodelpreview.h
+ * @brief LLFloaterModelPreview class definition
+ *
+ * $LicenseInfo:firstyear=2004&license=viewergpl$
+ * 
+ * Copyright (c) 2004-2007, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLFLOATERMODELPREVIEW_H
+#define LL_LLFLOATERMODELPREVIEW_H
+
+#include "llfloaternamedesc.h"
+
+#include "lldynamictexture.h"
+#include "llquaternion.h"
+#include "llmeshrepository.h"
+#include "llmodel.h"
+#include "llthread.h"
+
+#if LL_MESH_ENABLED
+class LLComboBox;
+class LLJoint;
+class LLViewerJointMesh;
+class LLVOAvatar;
+class LLTextBox;
+class LLVertexBuffer;
+class LLModelPreview;
+class LLFloaterModelPreview;
+class daeElement;
+class domProfile_COMMON;
+class domInstance_geometry;
+
+class LLPhysicsDecompFloater : public LLFloater
+{
+public:
+
+	LLPhysicsDecompFloater(LLSD& key);
+	~LLPhysicsDecompFloater();
+};
+
+class LLModelLoader : public LLThread
+{
+public:
+	typedef enum
+	{
+		STARTING = 0,
+		READING_FILE,
+		CREATING_FACES,
+		GENERATING_VERTEX_BUFFERS,
+		GENERATING_LOD,
+		DONE,
+	} eLoadState;
+
+	U32 mState;
+	std::string mFilename;
+	S32 mLod;
+	LLModelPreview* mPreview;
+	LLMatrix4 mTransform;
+	BOOL mFirstTransform;
+	LLVector3 mExtents[2];
+
+	std::map<daeElement*, LLPointer<LLModel> > mModel;
+	
+	typedef std::vector<LLPointer<LLModel> > model_list;
+	model_list mModelList;
+
+	typedef std::vector<LLModelInstance> model_instance_list;
+	
+	typedef std::map<LLMatrix4, model_instance_list > scene;
+
+	scene mScene;
+
+	LLModelLoader(std::string filename, S32 lod, LLModelPreview* preview);
+
+	virtual void run();
+	
+	void processElement(daeElement* element);
+	std::vector<LLImportMaterial> getMaterials(LLModel* model, domInstance_geometry* instance_geo);
+	LLImportMaterial profileToMaterial(domProfile_COMMON* material);
+	std::string getElementLabel(daeElement *element);
+	LLColor4 getDaeColor(daeElement* element);
+
+	//map of avatar joints as named in COLLADA assets to internal joint names
+	std::map<std::string, std::string> mJointMap;
+};
+
+class LLModelPreview : public LLViewerDynamicTexture, public LLMutex
+{
+ public:
+	
+	 LLModelPreview(S32 width, S32 height, LLFloaterModelPreview* fmp);
+	virtual ~LLModelPreview();
+
+	void setPreviewTarget(F32 distance);
+	void setTexture(U32 name) { mTextureName = name; }
+
+	BOOL render();
+	void genBuffers(S32 lod);
+	void refresh();
+	void rotate(F32 yaw_radians, F32 pitch_radians);
+	void zoom(F32 zoom_amt);
+	void pan(F32 right, F32 up);
+	virtual BOOL needsRender() { return mNeedsUpdate; }
+	void setPreviewLOD(S32 lod);
+	void loadModel(std::string filename, S32 lod);
+	void loadModelCallback(S32 lod);
+	void genLODs(S32 which_lod = -1);
+	void smoothNormals();
+	void consolidate();
+	void scrubMaterials();
+	U32 calcResourceCost();
+	void rebuildUploadData();
+	void clearIncompatible(S32 lod);
+	void updateStatusMessages();
+
+	static void	textureLoadedCallback( BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* src_aux, S32 discard_level, BOOL final, void* userdata );
+
+ protected:
+	friend class LLFloaterModelPreview;
+	friend class LLPhysicsDecomp;
+
+	LLFloaterModelPreview* mFMP;
+
+	BOOL        mNeedsUpdate;
+	U32         mTextureName;
+	F32			mCameraDistance;
+	F32			mCameraYaw;
+	F32			mCameraPitch;
+	F32			mCameraZoom;
+	LLVector3	mCameraOffset;
+	LLVector3	mPreviewTarget;
+	LLVector3	mPreviewScale;
+	S32			mPreviewLOD;
+	U32			mResourceCost;
+	S32			mLODMode[LLModel::NUM_LODS];
+	S32			mLimit[LLModel::NUM_LODS];
+	
+	LLModelLoader* mModelLoader;
+
+
+	LLModelLoader::scene mScene[LLModel::NUM_LODS];
+	LLModelLoader::scene mBaseScene;
+
+	LLModelLoader::model_list mModel[LLModel::NUM_LODS];
+	LLModelLoader::model_list mBaseModel;
+
+	std::map<LLModel*, U32> mGroup;
+	std::map<LLModel*, U32> mObject;
+	std::map<LLModel*, std::vector<U32> > mPatch;
+
+	std::map<LLModel*, F32> mPercentage;
+	std::map<LLModel*, std::vector<LLPointer<LLVertexBuffer> > > mPhysicsMesh;
+
+	LLMeshUploadThread::instance_list mUploadData;
+	std::set<LLPointer<LLViewerFetchedTexture> > mTextureSet;
+
+	//map of vertex buffers to models (one vertex buffer in vector per face in model
+	std::map<LLModel*, std::vector<LLPointer<LLVertexBuffer> > > mVertexBuffer[6];
+};
+
+class LLFloaterModelPreview : public LLFloater
+{
+public:
+	static LLFloaterModelPreview* sInstance;
+
+	LLFloaterModelPreview(const LLSD& key);
+	virtual ~LLFloaterModelPreview();
+
+	virtual BOOL postBuild();
+	
+	BOOL handleMouseDown(S32 x, S32 y, MASK mask);
+	BOOL handleMouseUp(S32 x, S32 y, MASK mask);
+	BOOL handleHover(S32 x, S32 y, MASK mask);
+	BOOL handleScrollWheel(S32 x, S32 y, S32 clicks); 
+
+	static void onMouseCaptureLostModelPreview(LLMouseHandler*);
+	static void setUploadAmount(S32 amount) { sUploadAmount = amount; }
+
+	static void onBrowseHighLOD(void* data);
+	static void onBrowseMediumLOD(void* data); 
+	static void onBrowseLowLOD(void* data);
+	static void onBrowseLowestLOD(void* data);
+
+	static void onUpload(void* data);
+
+	static void onConsolidate(void* data);
+	static void onScrubMaterials(void* data);
+	static void onDecompose(void* data);
+	static void onModelDecompositionComplete(LLModel* model, std::vector<LLPointer<LLVertexBuffer> >& physics_mesh);
+
+	static void refresh(LLUICtrl* ctrl, void* data);
+
+	void updateResourceCost();
+
+	void			loadModel(S32 lod);
+
+protected:
+	friend class LLModelPreview;
+	friend class LLMeshFilePicker;
+	friend class LLPhysicsDecomp;
+	friend class LLPhysicsDecompFloater;
+	
+	static void		onPreviewLODCommit(LLUICtrl*,void*);
+	
+	static void		onHighLODCommit(LLUICtrl*,void*);
+	static void		onMediumLODCommit(LLUICtrl*,void*);
+	static void		onLowLODCommit(LLUICtrl*,void*);
+	static void		onLowestLODCommit(LLUICtrl*,void*);
+	static void		onPhysicsLODCommit(LLUICtrl*,void*);
+
+	static void		onHighLimitCommit(LLUICtrl*,void*);
+	static void		onMediumLimitCommit(LLUICtrl*,void*);
+	static void		onLowLimitCommit(LLUICtrl*,void*);
+	static void		onLowestLimitCommit(LLUICtrl*,void*);
+	static void		onPhysicsLimitCommit(LLUICtrl*,void*);
+	
+	static void		onSmoothNormalsCommit(LLUICtrl*,void*);
+
+	static void		onAutoFillCommit(LLUICtrl*,void*);
+	static void		onShowEdgesCommit(LLUICtrl*,void*);
+
+	static void		onExplodeCommit(LLUICtrl*, void*);
+
+	static void onPhysicsParamCommit(LLUICtrl* ctrl, void* userdata);
+	static void onPhysicsStageExecute(LLUICtrl* ctrl, void* userdata);
+	static void onPhysicsStageCancel(LLUICtrl* ctrl, void* userdata);
+	static void onClosePhysicsFloater(LLUICtrl* ctrl, void* userdata);
+
+	void			draw();
+	static void		setLODMode(S32 lod, void* userdata);
+	void			setLODMode(S32 lod, S32 which_mode);
+
+	static void		setLimit(S32 lod, void* userdata);
+	void			setLimit(S32 lod, S32 limit);
+
+	void showDecompFloater();
+	
+	LLModelPreview*	mModelPreview;
+
+	LLFloater* mDecompFloater;
+	
+	S32				mLastMouseX;
+	S32				mLastMouseY;
+	LLRect			mPreviewRect;
+	U32				mGLName;
+	BOOL			mLoading;
+	static S32		sUploadAmount;
+};
+
+#endif
+
+#endif  // LL_LLFLOATERMODELPREVIEW_H
diff --git a/indra/newview/llmeshreduction.cpp b/indra/newview/llmeshreduction.cpp
new file mode 100644
index 0000000000..e785784a32
--- /dev/null
+++ b/indra/newview/llmeshreduction.cpp
@@ -0,0 +1,291 @@
+/** 
+ * @file llmeshreduction.cpp
+ * @brief LLMeshReduction class implementation
+ *
+ * $LicenseInfo:firstyear=2004&license=viewergpl$
+ * 
+ * Copyright (c) 2004-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llmeshreduction.h"
+#include "llgl.h"
+#include "llvertexbuffer.h"
+
+#include "glod/glod.h"
+
+#if LL_MESH_ENABLED
+
+static BOOL stop_gloderror()
+{
+	GLuint error = glodGetError();
+
+	if (error != GLOD_NO_ERROR)
+	{
+		llwarns << "GLOD error detected: " << std::hex << error << llendl;
+		return TRUE;
+	}
+
+	return FALSE;
+}
+
+
+void create_vertex_buffers_from_model(LLModel* model, std::vector<LLPointer <LLVertexBuffer> >& vertex_buffers)
+{
+#if 0 //VECTORIZE THIS ?
+	vertex_buffers.clear();
+	
+	for (S32 i = 0; i < model->getNumVolumeFaces(); ++i)
+	{
+		const LLVolumeFace &vf = model->getVolumeFace(i);
+		U32 num_vertices = vf.mNumVertices;
+		U32 num_indices = vf.mNumIndices;
+
+		if (!num_vertices || ! num_indices)
+		{
+			continue;
+		}
+
+		LLVertexBuffer* vb =
+			new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0, 0);
+		
+		vb->allocateBuffer(num_vertices, num_indices, TRUE);
+
+		LLStrider<LLVector3> vertex_strider;
+		LLStrider<LLVector3> normal_strider;
+		LLStrider<LLVector2> tc_strider;
+		LLStrider<U16> index_strider;
+
+		vb->getVertexStrider(vertex_strider);
+		vb->getNormalStrider(normal_strider);
+		vb->getTexCoord0Strider(tc_strider);
+
+		vb->getIndexStrider(index_strider);
+
+		// build vertices and normals
+		for (U32 i = 0; (S32)i < num_vertices; i++)
+		{
+			*(vertex_strider++) = vf.mVertices[i].mPosition;
+			*(tc_strider++) = vf.mVertices[i].mTexCoord;
+			LLVector3 normal = vf.mVertices[i].mNormal;
+			normal.normalize();
+			*(normal_strider++) = normal;
+		}
+
+		// build indices
+		for (U32 i = 0; i < num_indices; i++)
+		{
+			*(index_strider++) = vf.mIndices[i];
+		}
+
+
+		vertex_buffers.push_back(vb);
+	}
+#endif
+}
+
+void create_glod_object_from_vertex_buffers(S32 object, S32 group, std::vector<LLPointer <LLVertexBuffer> >& vertex_buffers)
+{
+	glodNewGroup(group);
+	stop_gloderror();
+	glodNewObject(object, group, GLOD_DISCRETE);
+	stop_gloderror();
+
+	for (U32 i = 0; i < vertex_buffers.size(); ++i)
+	{
+		vertex_buffers[i]->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);
+		
+		U32 num_indices = vertex_buffers[i]->getNumIndices();
+		
+		if (num_indices > 2)
+		{
+			glodInsertElements(object, i, GL_TRIANGLES, num_indices, GL_UNSIGNED_SHORT,
+							   vertex_buffers[i]->getIndicesPointer(), 0, 0.f);
+		}
+		stop_gloderror();
+	}
+	
+	glodBuildObject(object);
+	stop_gloderror();
+}
+
+// extract the GLOD data into vertex buffers
+void create_vertex_buffers_from_glod_object(S32 object, S32 group, std::vector<LLPointer <LLVertexBuffer> >& vertex_buffers)
+{
+	vertex_buffers.clear();
+	
+	GLint patch_count = 0;
+	glodGetObjectParameteriv(object, GLOD_NUM_PATCHES, &patch_count);
+	stop_gloderror();
+
+	GLint* sizes = new GLint[patch_count*2];
+	glodGetObjectParameteriv(object, GLOD_PATCH_SIZES, sizes);
+	stop_gloderror();
+
+	GLint* names = new GLint[patch_count];
+	glodGetObjectParameteriv(object, GLOD_PATCH_NAMES, names);
+	stop_gloderror();
+
+	for (S32 i = 0; i < patch_count; i++)
+	{
+		LLPointer<LLVertexBuffer> buff =
+			new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0, 0);
+			
+		if (sizes[i*2+1] > 0 && sizes[i*2] > 0)
+		{
+			buff->allocateBuffer(sizes[i*2+1], sizes[i*2], true);
+			buff->setBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL | LLVertexBuffer::MAP_TEXCOORD0);
+			glodFillElements(object, names[i], GL_UNSIGNED_SHORT, buff->getIndicesPointer());
+			stop_gloderror();
+		}
+		else
+		{
+            // this face was eliminated, create a dummy triangle (one vertex, 3 indices, all 0)
+			buff->allocateBuffer(1, 3, true);
+		}
+
+		vertex_buffers.push_back(buff);
+	}
+	
+	glodDeleteObject(object);
+	stop_gloderror();
+	glodDeleteGroup(group);
+	stop_gloderror();
+	
+	delete [] sizes;
+	delete [] names;
+}
+
+
+LLPointer<LLModel> create_model_from_vertex_buffers(std::vector<LLPointer <LLVertexBuffer> >& vertex_buffers)
+{
+	// extract the newly reduced mesh
+
+	// create our output model
+	LLVolumeParams volume_params;
+	volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+	LLPointer<LLModel> out_model = new LLModel(volume_params, 0.f);
+
+	out_model->setNumVolumeFaces(vertex_buffers.size());
+
+	// build new faces from each vertex buffer
+	for (GLint i = 0; i < vertex_buffers.size(); ++i)
+	{
+		LLStrider<LLVector3> pos;
+		LLStrider<LLVector3> norm;
+		LLStrider<LLVector2> tc;
+		LLStrider<U16> index;
+
+		vertex_buffers[i]->getVertexStrider(pos);
+		vertex_buffers[i]->getNormalStrider(norm);
+		vertex_buffers[i]->getTexCoord0Strider(tc);
+		vertex_buffers[i]->getIndexStrider(index);
+
+		out_model->setVolumeFaceData(i, pos, norm, tc, index,
+									 vertex_buffers[i]->getNumVerts(), vertex_buffers[i]->getNumIndices());
+	}
+	
+	return out_model;
+}
+
+
+
+LLMeshReduction::LLMeshReduction()
+{
+	mCounter = 1;
+
+	glodInit();
+}
+
+LLMeshReduction::~LLMeshReduction()
+{
+	glodShutdown();
+}
+
+
+LLPointer<LLModel> LLMeshReduction::reduce(LLModel* in_model, F32 limit, S32 mode)
+{
+	LLVertexBuffer::unbind();
+
+	// create vertex buffers from model
+	std::vector<LLPointer<LLVertexBuffer> > in_vertex_buffers;
+	create_vertex_buffers_from_model(in_model, in_vertex_buffers);
+
+	// create glod object from vertex buffers
+	stop_gloderror();
+	S32 glod_group = mCounter++;
+	S32 glod_object = mCounter++;
+	create_glod_object_from_vertex_buffers(glod_object, glod_group, in_vertex_buffers);
+
+	
+	// set reduction parameters
+	stop_gloderror();
+
+	if (mode == TRIANGLE_BUDGET)
+	{
+		// triangle budget mode
+		glodGroupParameteri(glod_group, GLOD_ADAPT_MODE, GLOD_TRIANGLE_BUDGET);
+		stop_gloderror();		
+		glodGroupParameteri(glod_group, GLOD_ERROR_MODE, GLOD_OBJECT_SPACE_ERROR);
+		stop_gloderror();		
+		S32 triangle_count = (S32)limit;
+		glodGroupParameteri(glod_group, GLOD_MAX_TRIANGLES, triangle_count);
+		stop_gloderror();		
+	}
+	else if (mode == ERROR_THRESHOLD)
+	{ 
+		// error threshold mode
+		glodGroupParameteri(glod_group, GLOD_ADAPT_MODE, GLOD_ERROR_THRESHOLD);
+		glodGroupParameteri(glod_group, GLOD_ERROR_MODE, GLOD_OBJECT_SPACE_ERROR);
+		F32 error_threshold = limit;
+		glodGroupParameterf(glod_group, GLOD_OBJECT_SPACE_ERROR_THRESHOLD, error_threshold);
+		stop_gloderror();
+	}
+	
+	else
+	{
+		// not a legal mode
+		return NULL;
+	}
+
+
+	// do the reduction
+	glodAdaptGroup(glod_group);
+	stop_gloderror();
+
+	// convert glod object into vertex buffers
+	std::vector<LLPointer<LLVertexBuffer> > out_vertex_buffers;
+	create_vertex_buffers_from_glod_object(glod_object, glod_group, out_vertex_buffers);
+
+	// convert vertex buffers into a model
+	LLPointer<LLModel> out_model = create_model_from_vertex_buffers(out_vertex_buffers);
+
+	
+	return out_model;
+}
+
+#endif
+
diff --git a/indra/newview/llmeshreduction.h b/indra/newview/llmeshreduction.h
new file mode 100644
index 0000000000..d86696978d
--- /dev/null
+++ b/indra/newview/llmeshreduction.h
@@ -0,0 +1,59 @@
+/** 
+ * @file llmeshreduction.h
+ * @brief LLMeshReduction class definition
+ *
+ * $LicenseInfo:firstyear=2004&license=viewergpl$
+ * 
+ * Copyright (c) 2004-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_LLMESHREDUCTION_H
+#define LL_LLMESHREDUCTION_H
+
+#include "llmodel.h"
+
+#if LL_MESH_ENABLED
+
+class LLMeshReduction
+{
+ public:
+	enum EReductionMode
+	{
+		TRIANGLE_BUDGET,
+		ERROR_THRESHOLD
+	};
+	
+	LLMeshReduction();
+	~LLMeshReduction();
+
+	LLPointer<LLModel> reduce(LLModel* in_model, F32 limit, S32 mode);
+	
+private:
+	U32 mCounter;
+};
+
+#endif
+
+#endif  // LL_LLMESHREDUCTION_H
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
new file mode 100644
index 0000000000..96a170ef07
--- /dev/null
+++ b/indra/newview/llmeshrepository.cpp
@@ -0,0 +1,2676 @@
+/** 
+ * @file llmeshrepository.cpp
+ * @brief Mesh repository implementation.
+ *
+ * $LicenseInfo:firstyear=2005&license=viewergpl$
+ * 
+ * Copyright (c) 2005-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "apr_pools.h"
+#include "apr_dso.h"
+
+#include "llmeshrepository.h"
+
+#include "llagent.h"
+#include "llappviewer.h"
+#include "llbufferstream.h"
+#include "llcurl.h"
+#include "llfasttimer.h"
+#include "llfloatermodelpreview.h"
+#include "llfloaterperms.h"
+#include "lleconomy.h"
+#include "llimagej2c.h"
+#include "llhost.h"
+#include "llnotificationsutil.h"
+#include "llsd.h"
+#include "llsdutil_math.h"
+#include "llsdserialize.h"
+#include "llthread.h"
+#include "llvfile.h"
+#include "llviewercontrol.h"
+#include "llviewermenufile.h"
+#include "llviewerobjectlist.h"
+#include "llviewerregion.h"
+#include "llviewertexturelist.h"
+#include "llvolume.h"
+#include "llvolumemgr.h"
+#include "llvovolume.h"
+#include "llworld.h"
+#include "material_codes.h"
+#include "pipeline.h"
+
+
+#include <queue>
+
+#if LL_MESH_ENABLED
+
+LLFastTimer::DeclareTimer FTM_MESH_UPDATE("Mesh Update");
+LLFastTimer::DeclareTimer FTM_LOAD_MESH("Load Mesh");
+
+LLMeshRepository gMeshRepo;
+
+const U32 MAX_MESH_REQUESTS_PER_SECOND = 100;
+
+U32 LLMeshRepository::sBytesReceived = 0;
+U32 LLMeshRepository::sHTTPRequestCount = 0;
+U32 LLMeshRepository::sHTTPRetryCount = 0;
+U32 LLMeshRepository::sCacheBytesRead = 0;
+U32 LLMeshRepository::sCacheBytesWritten = 0;
+U32 LLMeshRepository::sPeakKbps = 0;
+	
+
+std::string header_lod[] = 
+{
+	"lowest_lod",
+	"low_lod",
+	"medium_lod",
+	"high_lod"
+};
+
+
+//get the number of bytes resident in memory for given volume
+U32 get_volume_memory_size(const LLVolume* volume)
+{
+	U32 indices = 0;
+	U32 vertices = 0;
+
+	for (U32 i = 0; i < volume->getNumVolumeFaces(); ++i)
+	{
+		const LLVolumeFace& face = volume->getVolumeFace(i);
+		indices += face.mNumIndices;
+		vertices += face.mNumVertices;
+	}
+
+
+	return indices*2+vertices*11+sizeof(LLVolume)+sizeof(LLVolumeFace)*volume->getNumVolumeFaces();
+}
+
+std::string scrub_host_name(std::string http_url, const LLHost& host)
+{ //curl loves to abuse the DNS cache, so scrub host names out of urls where trivial to prevent DNS timeouts
+	std::string ip_string = host.getIPString();
+	std::string host_string = host.getHostName();
+
+	std::string::size_type idx = http_url.find(host_string);
+
+	if (!ip_string.empty() && !host_string.empty() && idx != std::string::npos)
+	{
+		http_url.replace(idx, host_string.length(), ip_string);
+	}
+
+	return http_url;
+}
+
+LLVertexBuffer* get_vertex_buffer_from_mesh(LLCDMeshData& mesh, F32 scale = 1.f)
+{
+	LLVertexBuffer* buff = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_NORMAL, 0);
+	buff->allocateBuffer(mesh.mNumTriangles*3, 0, true);
+
+	LLStrider<LLVector3> pos;
+	LLStrider<LLVector3> norm;
+
+	buff->getVertexStrider(pos);
+	buff->getNormalStrider(norm);
+
+	const F32* v = mesh.mVertexBase;
+	
+	if (mesh.mIndexType == LLCDMeshData::INT_16)
+	{
+		U16* idx = (U16*) mesh.mIndexBase;
+		for (S32 j = 0; j < mesh.mNumTriangles; ++j)
+		{ 
+			F32* mp0 = (F32*) ((U8*)v+idx[0]*mesh.mVertexStrideBytes);
+			F32* mp1 = (F32*) ((U8*)v+idx[1]*mesh.mVertexStrideBytes);
+			F32* mp2 = (F32*) ((U8*)v+idx[2]*mesh.mVertexStrideBytes);
+
+			idx = (U16*) (((U8*)idx)+mesh.mIndexStrideBytes);
+			
+			LLVector3 v0(mp0);
+			LLVector3 v1(mp1);
+			LLVector3 v2(mp2);
+
+			LLVector3 n = (v1-v0)%(v2-v0);
+			n.normalize();
+
+			*pos++ = v0*scale;
+			*pos++ = v1*scale;
+			*pos++ = v2*scale;
+
+			*norm++ = n;
+			*norm++ = n;
+			*norm++ = n;			
+		}
+	}
+	else
+	{
+		U32* idx = (U32*) mesh.mIndexBase;
+		for (S32 j = 0; j < mesh.mNumTriangles; ++j)
+		{ 
+			F32* mp0 = (F32*) ((U8*)v+idx[0]*mesh.mVertexStrideBytes);
+			F32* mp1 = (F32*) ((U8*)v+idx[1]*mesh.mVertexStrideBytes);
+			F32* mp2 = (F32*) ((U8*)v+idx[2]*mesh.mVertexStrideBytes);
+
+			idx = (U32*) (((U8*)idx)+mesh.mIndexStrideBytes);
+			
+			LLVector3 v0(mp0);
+			LLVector3 v1(mp1);
+			LLVector3 v2(mp2);
+
+			LLVector3 n = (v1-v0)%(v2-v0);
+			n.normalize();
+
+			*(pos++) = v0*scale;
+			*(pos++) = v1*scale;
+			*(pos++) = v2*scale;
+
+			*(norm++) = n;
+			*(norm++) = n;
+			*(norm++) = n;			
+		}
+	}
+
+	return buff;
+}
+
+S32 LLMeshRepoThread::sActiveHeaderRequests = 0;
+S32 LLMeshRepoThread::sActiveLODRequests = 0;
+U32	LLMeshRepoThread::sMaxConcurrentRequests = 1;
+
+
+class LLTextureCostResponder : public LLCurl::Responder
+{
+public:
+	LLTextureUploadData mData;
+	LLMeshUploadThread* mThread;
+
+	LLTextureCostResponder(LLTextureUploadData data, LLMeshUploadThread* thread) 
+		: mData(data), mThread(thread)
+	{
+
+	}
+
+	virtual void completed(U32 status, const std::string& reason, const LLSD& content)
+	{
+		mThread->mPendingConfirmations--;
+		if (isGoodStatus(status))
+		{
+			mThread->priceResult(mData, content);	
+		}
+		else
+		{
+			llwarns << status << ": " << reason << llendl;
+			llwarns << "Retrying. (" << ++mData.mRetries << ")" << llendl;
+			
+			if (status == 499)
+			{
+				mThread->uploadTexture(mData);
+			}
+			else
+			{
+				llerrs << "Unhandled status " << status << llendl;
+			}
+		}
+	}
+};
+
+class LLTextureUploadResponder : public LLCurl::Responder
+{
+public:
+	LLTextureUploadData mData;
+	LLMeshUploadThread* mThread;
+
+	LLTextureUploadResponder(LLTextureUploadData data, LLMeshUploadThread* thread)
+		: mData(data), mThread(thread)
+	{
+	}
+
+	virtual void completed(U32 status, const std::string& reason, const LLSD& content)
+	{
+		mThread->mPendingUploads--;
+		if (isGoodStatus(status))
+		{
+			mData.mUUID = content["new_asset"].asUUID();
+			gMeshRepo.updateInventory(LLMeshRepository::inventory_data(mData.mPostData, content));
+			mThread->onTextureUploaded(mData);
+		}
+		else
+		{
+			llwarns << status << ": " << reason << llendl;
+			llwarns << "Retrying. (" << ++mData.mRetries << ")" << llendl;
+
+			if (status == 404)
+			{
+				mThread->uploadTexture(mData);
+			}
+			else if (status == 499)
+			{
+				mThread->mConfirmedTextureQ.push(mData);
+			}
+			else
+			{
+				llerrs << "Unhandled status " << status << llendl;
+			}
+		}
+	}
+};
+
+class LLMeshCostResponder : public LLCurl::Responder
+{
+public:
+	LLMeshUploadData mData;
+	LLMeshUploadThread* mThread;
+
+	LLMeshCostResponder(LLMeshUploadData data, LLMeshUploadThread* thread) 
+		: mData(data), mThread(thread)
+	{
+
+	}
+
+	virtual void completed(U32 status, const std::string& reason, const LLSD& content)
+	{
+		mThread->mPendingConfirmations--;
+
+		if (isGoodStatus(status))
+		{
+			mThread->priceResult(mData, content);	
+		}
+		else
+		{
+			llwarns << status << ": " << reason << llendl;
+			llwarns << "Retrying. (" << ++mData.mRetries << ")" << llendl;
+			
+			if (status == 499)
+			{
+				mThread->uploadModel(mData);
+			}
+			else if (status == 400)
+			{
+				llwarns << "Status 400 received from server, giving up." << llendl;
+			}
+			else
+			{
+				llerrs << "Unhandled status " << status << llendl;
+			}
+		}
+	}
+};
+
+class LLMeshUploadResponder : public LLCurl::Responder
+{
+public:
+	LLMeshUploadData mData;
+	LLMeshUploadThread* mThread;
+
+	LLMeshUploadResponder(LLMeshUploadData data, LLMeshUploadThread* thread)
+		: mData(data), mThread(thread)
+	{
+	}
+
+	virtual void completed(U32 status, const std::string& reason, const LLSD& content)
+	{
+		mThread->mPendingUploads--;
+		if (isGoodStatus(status))
+		{
+			mData.mUUID = content["new_asset"].asUUID();
+			if (mData.mUUID.isNull())
+			{
+				LLSD args;
+				std::string message = content["error"]["message"];
+				std::string identifier = content["error"]["identifier"];
+				std::string invalidity_identifier = content["error"]["invalidity_identifier"];
+
+				args["MESSAGE"] = message;
+				args["IDENTIFIER"] = identifier;
+				args["INVALIDITY_IDENTIFIER"] = invalidity_identifier;
+				args["LABEL"] = mData.mBaseModel->mLabel;
+
+				gMeshRepo.uploadError(args);
+			}
+			else
+			{
+				gMeshRepo.updateInventory(LLMeshRepository::inventory_data(mData.mPostData, content));
+				mThread->onModelUploaded(mData);
+			}
+		}
+		else
+		{
+			llwarns << status << ": " << reason << llendl;
+			llwarns << "Retrying. (" << ++mData.mRetries << ")" << llendl;
+
+			if (status == 404)
+			{
+				mThread->uploadModel(mData);
+			}
+			else if (status == 499)
+			{
+				mThread->mConfirmedQ.push(mData);
+			}
+			else if (status != 500)
+			{ //drop internal server errors on the floor, otherwise grab
+				llerrs << "Unhandled status " << status << llendl;
+			}
+		}
+	}
+};
+
+
+class LLMeshHeaderResponder : public LLCurl::Responder
+{
+public:
+	LLVolumeParams mMeshParams;
+	
+	LLMeshHeaderResponder(const LLVolumeParams& mesh_params)
+		: mMeshParams(mesh_params)
+	{
+	}
+
+	virtual void completedRaw(U32 status, const std::string& reason,
+							  const LLChannelDescriptors& channels,
+							  const LLIOPipe::buffer_ptr_t& buffer);
+
+};
+
+class LLMeshLODResponder : public LLCurl::Responder
+{
+public:
+	LLVolumeParams mMeshParams;
+	S32 mLOD;
+	U32 mRequestedBytes;
+	U32 mOffset;
+
+	LLMeshLODResponder(const LLVolumeParams& mesh_params, S32 lod, U32 offset, U32 requested_bytes)
+		: mMeshParams(mesh_params), mLOD(lod), mOffset(offset), mRequestedBytes(requested_bytes)
+	{
+	}
+
+	virtual void completedRaw(U32 status, const std::string& reason,
+							  const LLChannelDescriptors& channels,
+							  const LLIOPipe::buffer_ptr_t& buffer);
+
+};
+
+class LLMeshSkinInfoResponder : public LLCurl::Responder
+{
+public:
+	LLUUID mMeshID;
+	U32 mRequestedBytes;
+	U32 mOffset;
+
+	LLMeshSkinInfoResponder(const LLUUID& id, U32 offset, U32 size)
+		: mMeshID(id), mRequestedBytes(size), mOffset(offset)
+	{
+	}
+
+	virtual void completedRaw(U32 status, const std::string& reason,
+							  const LLChannelDescriptors& channels,
+							  const LLIOPipe::buffer_ptr_t& buffer);
+
+};
+
+class LLMeshDecompositionResponder : public LLCurl::Responder
+{
+public:
+	LLUUID mMeshID;
+	U32 mRequestedBytes;
+	U32 mOffset;
+
+	LLMeshDecompositionResponder(const LLUUID& id, U32 offset, U32 size)
+		: mMeshID(id), mRequestedBytes(size), mOffset(offset)
+	{
+	}
+
+	virtual void completedRaw(U32 status, const std::string& reason,
+							  const LLChannelDescriptors& channels,
+							  const LLIOPipe::buffer_ptr_t& buffer);
+
+};
+
+
+LLMeshRepoThread::LLMeshRepoThread()
+: LLThread("mesh repo", NULL) 
+{ 
+	mWaiting = false;
+	mMutex = new LLMutex(NULL);
+	mHeaderMutex = new LLMutex(NULL);
+	mSignal = new LLCondition(NULL);
+}
+
+LLMeshRepoThread::~LLMeshRepoThread()
+{
+	
+}
+
+void LLMeshRepoThread::run()
+{
+	mCurlRequest = new LLCurlRequest();
+	LLCDResult res =	LLConvexDecomposition::initThread();
+	if (res != LLCD_OK)
+	{
+		llwarns << "convex decomposition unable to be loaded" << llendl;
+	}
+
+	while (!LLApp::isQuitting())
+	{
+		mWaiting = true;
+		mSignal->wait();
+		mWaiting = false;
+
+		if (!LLApp::isQuitting())
+		{
+			static U32 count = 0;
+
+			static F32 last_hundred = gFrameTimeSeconds;
+
+			if (gFrameTimeSeconds - last_hundred > 1.f)
+			{ //a second has gone by, clear count
+				last_hundred = gFrameTimeSeconds;
+				count = 0;	
+			}
+
+			// NOTE: throttling intentionally favors LOD requests over header requests
+			
+			while (!mLODReqQ.empty() && count < MAX_MESH_REQUESTS_PER_SECOND && sActiveLODRequests < sMaxConcurrentRequests)
+			{
+				{
+					LLMutexLock lock(mMutex);
+					LODRequest req = mLODReqQ.front();
+					mLODReqQ.pop();
+					if (fetchMeshLOD(req.mMeshParams, req.mLOD))
+					{
+						count++;
+					}
+				}
+			}
+
+			while (!mHeaderReqQ.empty() && count < MAX_MESH_REQUESTS_PER_SECOND && sActiveHeaderRequests < sMaxConcurrentRequests)
+			{
+				{
+					LLMutexLock lock(mMutex);
+					HeaderRequest req = mHeaderReqQ.front();
+					mHeaderReqQ.pop();
+					if (fetchMeshHeader(req.mMeshParams))
+					{
+						count++;
+					}
+				}
+			}
+
+			{
+				std::set<LLUUID> incomplete;
+				for (std::set<LLUUID>::iterator iter = mSkinRequests.begin(); iter != mSkinRequests.end(); ++iter)
+				{
+					LLUUID mesh_id = *iter;
+					if (!fetchMeshSkinInfo(mesh_id))
+					{
+						incomplete.insert(mesh_id);
+					}
+				}
+				mSkinRequests = incomplete;
+			}
+
+			{
+				std::set<LLUUID> incomplete;
+				for (std::set<LLUUID>::iterator iter = mDecompositionRequests.begin(); iter != mDecompositionRequests.end(); ++iter)
+				{
+					LLUUID mesh_id = *iter;
+					if (!fetchMeshDecomposition(mesh_id))
+					{
+						incomplete.insert(mesh_id);
+					}
+				}
+				mDecompositionRequests = incomplete;
+			}
+
+
+		}
+
+		mCurlRequest->process();
+	}
+	
+	res = LLConvexDecomposition::quitThread();
+	if (res != LLCD_OK)
+	{
+		llwarns << "convex decomposition unable to be quit" << llendl;
+	}
+
+	delete mCurlRequest;
+	delete mMutex;
+}
+
+void LLMeshRepoThread::loadMeshSkinInfo(const LLUUID& mesh_id)
+{ //protected by mSignal, no locking needed here
+	mSkinRequests.insert(mesh_id);
+}
+
+void LLMeshRepoThread::loadMeshDecomposition(const LLUUID& mesh_id)
+{ //protected by mSignal, no locking needed here
+	mDecompositionRequests.insert(mesh_id);
+}
+	
+void LLMeshRepoThread::loadMeshLOD(const LLVolumeParams& mesh_params, S32 lod)
+{ //protected by mSignal, no locking needed here
+
+	mesh_header_map::iterator iter = mMeshHeader.find(mesh_params.getSculptID());
+	if (iter != mMeshHeader.end())
+	{ //if we have the header, request LOD byte range
+		LODRequest req(mesh_params, lod);
+		mLODReqQ.push(req);
+	}
+	else
+	{ 
+		HeaderRequest req(mesh_params);
+		
+		pending_lod_map::iterator pending = mPendingLOD.find(mesh_params);
+
+		if (pending != mPendingLOD.end())
+		{ //append this lod request to existing header request
+			pending->second.push_back(lod);
+			if (pending->second.size() > 4)
+			{
+				llerrs << "WTF?" << llendl;
+			} 
+		}
+		else
+		{ //if no header request is pending, fetch header
+			mHeaderReqQ.push(req);
+			mPendingLOD[mesh_params].push_back(lod);
+		}
+	}
+}
+
+//static 
+std::string LLMeshRepoThread::constructUrl(LLUUID mesh_id)
+{
+	std::string http_url;
+	
+	if (gAgent.getRegion())
+	{
+		http_url = gAgent.getRegion()->getCapability("GetMesh");
+		scrub_host_name(http_url, gAgent.getRegionHost());
+	}
+
+	if (!http_url.empty())
+	{
+		http_url += "/?mesh_id=";
+		http_url += mesh_id.asString().c_str();
+	}
+	else
+	{
+		llwarns << "Current region does not have GetMesh capability!  Cannot load " << mesh_id << ".mesh" << llendl;
+	}
+
+	return http_url;
+}
+
+bool LLMeshRepoThread::fetchMeshSkinInfo(const LLUUID& mesh_id)
+{ //protected by mMutex
+	mHeaderMutex->lock();
+
+	if (mMeshHeader.find(mesh_id) == mMeshHeader.end())
+	{ //we have no header info for this mesh, do nothing
+		mHeaderMutex->unlock();
+		return false;
+	}
+
+	U32 header_size = mMeshHeaderSize[mesh_id];
+
+	if (header_size > 0)
+	{
+		S32 offset = header_size + mMeshHeader[mesh_id]["skin"]["offset"].asInteger();
+		S32 size = mMeshHeader[mesh_id]["skin"]["size"].asInteger();
+
+		mHeaderMutex->unlock();
+
+		if (offset >= 0 && size > 0)
+		{
+			//check VFS for mesh skin info
+			LLVFile file(gVFS, mesh_id, LLAssetType::AT_MESH);
+			if (file.getSize() >= offset+size)
+			{
+				LLMeshRepository::sCacheBytesRead += size;
+				file.seek(offset);
+				U8* buffer = new U8[size];
+				file.read(buffer, size);
+
+				//make sure buffer isn't all 0's (reserved block but not written)
+				bool zero = true;
+				for (S32 i = 0; i < llmin(size, 1024) && zero; ++i)
+				{
+					zero = buffer[i] > 0 ? false : true;
+				}
+
+				if (!zero)
+				{ //attempt to parse
+					if (skinInfoReceived(mesh_id, buffer, size))
+					{
+						delete[] buffer;
+						return true;
+					}
+				}
+
+				delete[] buffer;
+			}
+
+			//reading from VFS failed for whatever reason, fetch from sim
+			std::vector<std::string> headers;
+			headers.push_back("Accept: application/octet-stream");
+
+			std::string http_url = constructUrl(mesh_id);
+			if (!http_url.empty())
+			{
+				++sActiveLODRequests;
+				LLMeshRepository::sHTTPRequestCount++;
+				mCurlRequest->getByteRange(constructUrl(mesh_id), headers, offset, size,
+										   new LLMeshSkinInfoResponder(mesh_id, offset, size));
+			}
+		}
+	}
+	else
+	{	
+		mHeaderMutex->unlock();
+	}
+
+	//early out was not hit, effectively fetched
+	return true;
+}
+
+bool LLMeshRepoThread::fetchMeshDecomposition(const LLUUID& mesh_id)
+{ //protected by mMutex
+	mHeaderMutex->lock();
+
+	if (mMeshHeader.find(mesh_id) == mMeshHeader.end())
+	{ //we have no header info for this mesh, do nothing
+		mHeaderMutex->unlock();
+		return false;
+	}
+
+	U32 header_size = mMeshHeaderSize[mesh_id];
+
+	if (header_size > 0)
+	{
+		S32 offset = header_size + mMeshHeader[mesh_id]["decomposition"]["offset"].asInteger();
+		S32 size = mMeshHeader[mesh_id]["decomposition"]["size"].asInteger();
+
+		mHeaderMutex->unlock();
+
+		if (offset >= 0 && size > 0)
+		{
+			//check VFS for mesh skin info
+			LLVFile file(gVFS, mesh_id, LLAssetType::AT_MESH);
+			if (file.getSize() >= offset+size)
+			{
+				LLMeshRepository::sCacheBytesRead += size;
+				file.seek(offset);
+				U8* buffer = new U8[size];
+				file.read(buffer, size);
+
+				//make sure buffer isn't all 0's (reserved block but not written)
+				bool zero = true;
+				for (S32 i = 0; i < llmin(size, 1024) && zero; ++i)
+				{
+					zero = buffer[i] > 0 ? false : true;
+				}
+
+				if (!zero)
+				{ //attempt to parse
+					if (decompositionReceived(mesh_id, buffer, size))
+					{
+						delete[] buffer;
+						return true;
+					}
+				}
+
+				delete[] buffer;
+			}
+
+			//reading from VFS failed for whatever reason, fetch from sim
+			std::vector<std::string> headers;
+			headers.push_back("Accept: application/octet-stream");
+
+			std::string http_url = constructUrl(mesh_id);
+			if (!http_url.empty())
+			{
+				++sActiveLODRequests;
+				LLMeshRepository::sHTTPRequestCount++;
+				mCurlRequest->getByteRange(constructUrl(mesh_id), headers, offset, size,
+										   new LLMeshDecompositionResponder(mesh_id, offset, size));
+			}
+		}
+	}
+	else
+	{	
+		mHeaderMutex->unlock();
+	}
+
+	//early out was not hit, effectively fetched
+	return true;
+}
+
+bool LLMeshRepoThread::fetchMeshHeader(const LLVolumeParams& mesh_params)
+{
+	bool retval = false;
+
+	{
+		//look for mesh in asset in vfs
+		LLVFile file(gVFS, mesh_params.getSculptID(), LLAssetType::AT_MESH);
+			
+		S32 size = file.getSize();
+
+		if (size > 0)
+		{
+			U8 buffer[1024];
+			S32 bytes = llmin(size, 1024);
+			LLMeshRepository::sCacheBytesRead += bytes;	
+			file.read(buffer, bytes);
+			if (headerReceived(mesh_params, buffer, bytes))
+			{ //did not do an HTTP request, return false
+				return false;
+			}
+		}
+	}
+
+	//either cache entry doesn't exist or is corrupt, request header from simulator
+
+	std::vector<std::string> headers;
+	headers.push_back("Accept: application/octet-stream");
+
+	std::string http_url = constructUrl(mesh_params.getSculptID());
+	if (!http_url.empty())
+	{
+		++sActiveHeaderRequests;
+		retval = true;
+		//grab first 4KB if we're going to bother with a fetch.  Cache will prevent future fetches if a full mesh fits
+		//within the first 4KB
+		LLMeshRepository::sHTTPRequestCount++;
+		mCurlRequest->getByteRange(http_url, headers, 0, 4096, new LLMeshHeaderResponder(mesh_params));
+	}
+
+	return retval;
+}
+
+bool LLMeshRepoThread::fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod)
+{ //protected by mMutex
+	mHeaderMutex->lock();
+
+	bool retval = false;
+
+	LLUUID mesh_id = mesh_params.getSculptID();
+	
+	U32 header_size = mMeshHeaderSize[mesh_id];
+
+	if (header_size > 0)
+	{
+		S32 offset = header_size + mMeshHeader[mesh_id][header_lod[lod]]["offset"].asInteger();
+		S32 size = mMeshHeader[mesh_id][header_lod[lod]]["size"].asInteger();
+		mHeaderMutex->unlock();
+		if (offset >= 0 && size > 0)
+		{
+
+			//check VFS for mesh asset
+			LLVFile file(gVFS, mesh_id, LLAssetType::AT_MESH);
+			if (file.getSize() >= offset+size)
+			{
+				LLMeshRepository::sCacheBytesRead += size;
+				file.seek(offset);
+				U8* buffer = new U8[size];
+				file.read(buffer, size);
+
+				//make sure buffer isn't all 0's (reserved block but not written)
+				bool zero = true;
+				for (S32 i = 0; i < llmin(size, 1024) && zero; ++i)
+				{
+					zero = buffer[i] > 0 ? false : true;
+				}
+
+				if (!zero)
+				{ //attempt to parse
+					if (lodReceived(mesh_params, lod, buffer, size))
+					{
+						delete[] buffer;
+						return false;
+					}
+				}
+
+				delete[] buffer;
+			}
+
+			//reading from VFS failed for whatever reason, fetch from sim
+			std::vector<std::string> headers;
+			headers.push_back("Accept: application/octet-stream");
+
+			std::string http_url = constructUrl(mesh_id);
+			if (!http_url.empty())
+			{
+				++sActiveLODRequests;
+				retval = true;
+				LLMeshRepository::sHTTPRequestCount++;
+				mCurlRequest->getByteRange(constructUrl(mesh_id), headers, offset, size,
+										   new LLMeshLODResponder(mesh_params, lod, offset, size));
+			}
+			else
+			{
+				mUnavailableQ.push(LODRequest(mesh_params, lod));
+			}
+		}
+		else
+		{
+			mUnavailableQ.push(LODRequest(mesh_params, lod));
+		}
+	}
+	else
+	{
+		mHeaderMutex->unlock();
+	}
+
+	return retval;
+}
+
+bool LLMeshRepoThread::headerReceived(const LLVolumeParams& mesh_params, U8* data, S32 data_size)
+{
+	LLSD header;
+	
+	U32 header_size = 0;
+	if (data_size > 0)
+	{
+		std::string res_str((char*) data, data_size);
+
+		std::istringstream stream(res_str);
+
+		if (!LLSDSerialize::deserialize(header, stream, data_size))
+		{
+			llwarns << "Mesh header parse error.  Not a valid mesh asset!" << llendl;
+			return false;
+		}
+
+		header_size = stream.tellg();
+	}
+	else
+	{
+		header["404"] = 1;
+	}
+
+	{
+		U32 cost = gMeshRepo.calcResourceCost(header);
+
+		LLUUID mesh_id = mesh_params.getSculptID();
+		
+		mHeaderMutex->lock();
+		mMeshHeaderSize[mesh_id] = header_size;
+		mMeshHeader[mesh_id] = header;
+		mMeshResourceCost[mesh_id] = cost;
+		mHeaderMutex->unlock();
+
+		//check for pending requests
+		pending_lod_map::iterator iter = mPendingLOD.find(mesh_params);
+		if (iter != mPendingLOD.end())
+		{
+			for (U32 i = 0; i < iter->second.size(); ++i)
+			{
+				LODRequest req(mesh_params, iter->second[i]);
+				mLODReqQ.push(req);
+			}
+		}
+		mPendingLOD.erase(iter);
+	}
+
+	return true;
+}
+
+bool LLMeshRepoThread::lodReceived(const LLVolumeParams& mesh_params, S32 lod, U8* data, S32 data_size)
+{
+	LLVolume* volume = new LLVolume(mesh_params, LLVolumeLODGroup::getVolumeScaleFromDetail(lod));
+	std::string mesh_string((char*) data, data_size);
+	std::istringstream stream(mesh_string);
+
+	if (volume->unpackVolumeFaces(stream, data_size))
+	{
+		LoadedMesh mesh(volume, mesh_params, lod);
+		if (volume->getNumFaces() > 0)
+		{
+			LLMutexLock lock(mMutex);
+			mLoadedQ.push(mesh);
+			return true;
+		}
+	}
+
+	return false;
+}
+
+bool LLMeshRepoThread::skinInfoReceived(const LLUUID& mesh_id, U8* data, S32 data_size)
+{
+	LLSD skin;
+
+	if (data_size > 0)
+	{
+		std::string res_str((char*) data, data_size);
+
+		std::istringstream stream(res_str);
+
+		if (!unzip_llsd(skin, stream, data_size))
+		{
+			llwarns << "Mesh skin info parse error.  Not a valid mesh asset!" << llendl;
+			return false;
+		}
+	}
+	
+	{
+		LLMeshSkinInfo info;
+		info.mMeshID = mesh_id;
+
+		if (skin.has("joint_names"))
+		{
+			for (U32 i = 0; i < skin["joint_names"].size(); ++i)
+			{
+				info.mJointNames.push_back(skin["joint_names"][i]);
+			}
+		}
+
+		if (skin.has("inverse_bind_matrix"))
+		{
+			for (U32 i = 0; i < skin["inverse_bind_matrix"].size(); ++i)
+			{
+				LLMatrix4 mat;
+				for (U32 j = 0; j < 4; j++)
+				{
+					for (U32 k = 0; k < 4; k++)
+					{
+						mat.mMatrix[j][k] = skin["inverse_bind_matrix"][i][j*4+k].asReal();
+					}
+				}
+
+				info.mInvBindMatrix.push_back(mat);
+			}
+		}
+
+		if (skin.has("bind_shape_matrix"))
+		{
+			for (U32 j = 0; j < 4; j++)
+			{
+				for (U32 k = 0; k < 4; k++)
+				{
+					info.mBindShapeMatrix.mMatrix[j][k] = skin["bind_shape_matrix"][j*4+k].asReal();
+				}
+			}
+		}
+
+		mSkinInfoQ.push(info);
+	}
+
+	return true;
+}
+
+bool LLMeshRepoThread::decompositionReceived(const LLUUID& mesh_id, U8* data, S32 data_size)
+{
+	LLSD decomp;
+
+	if (data_size > 0)
+	{
+		std::string res_str((char*) data, data_size);
+
+		std::istringstream stream(res_str);
+
+		if (!unzip_llsd(decomp, stream, data_size))
+		{
+			llwarns << "Mesh decomposition parse error.  Not a valid mesh asset!" << llendl;
+			return false;
+		}
+	}
+	
+	{
+		LLMeshDecomposition* d = new LLMeshDecomposition();
+		d->mMeshID = mesh_id;
+
+		// updated for const-correctness. gcc is picky about this type of thing - Nyx
+		const LLSD::Binary& hulls = decomp["HullList"].asBinary();
+		const LLSD::Binary& position = decomp["Position"].asBinary();
+
+		U16* p = (U16*) &position[0];
+
+		d->mHull.resize(hulls.size());
+
+		LLVector3 min;
+		LLVector3 max;
+		LLVector3 range;
+
+		min.setValue(decomp["Min"]);
+		max.setValue(decomp["Max"]);
+		range = max-min;
+
+		for (U32 i = 0; i < hulls.size(); ++i)
+		{
+			U8 count = hulls[i];
+			
+			for (U32 j = 0; j < count; ++j)
+			{
+				d->mHull[i].push_back(LLVector3(
+					(F32) p[0]/65535.f*range.mV[0]+min.mV[0],
+					(F32) p[1]/65535.f*range.mV[1]+min.mV[1],
+					(F32) p[2]/65535.f*range.mV[2]+min.mV[2]));
+				p += 3;
+			}		 
+
+		}
+			
+		//get mesh for decomposition
+		for (U32 i = 0; i < d->mHull.size(); ++i)
+		{
+			LLCDHull hull;
+			hull.mNumVertices = d->mHull[i].size();
+			hull.mVertexBase = d->mHull[i][0].mV;
+			hull.mVertexStrideBytes = 12;
+
+			LLCDMeshData mesh;
+			LLCDResult res = LLCD_OK;
+			if (LLConvexDecomposition::getInstance() != NULL)
+			{
+				res = LLConvexDecomposition::getInstance()->getMeshFromHull(&hull, &mesh);
+			}
+			if (res != LLCD_OK)
+			{
+				llwarns << "could not get mesh from hull from convex decomposition lib." << llendl;
+				return false;
+			}
+
+
+			d->mMesh.push_back(get_vertex_buffer_from_mesh(mesh));
+		}	
+
+		mDecompositionQ.push(d);
+	}
+
+	return true;
+}
+
+LLMeshUploadThread::LLMeshUploadThread(LLMeshUploadThread::instance_list& data, LLVector3& scale, bool upload_textures)
+: LLThread("mesh upload")
+{
+	mInstanceList = data;
+	mUploadTextures = upload_textures;
+	mMutex = new LLMutex(NULL);
+	mCurlRequest = NULL;
+	mPendingConfirmations = 0;
+	mPendingUploads = 0;
+	mPendingCost = 0;
+	mFinished = false;
+	mOrigin = gAgent.getPositionAgent();
+	mHost = gAgent.getRegionHost();
+	mUploadObjectAssetCapability = gAgent.getRegion()->getCapability("UploadObjectAsset");
+	mNewInventoryCapability = gAgent.getRegion()->getCapability("NewFileAgentInventoryVariablePrice");
+
+	mOrigin += gAgent.getAtAxis() * scale.magVec();
+	
+	scrub_host_name(mUploadObjectAssetCapability, mHost);
+	scrub_host_name(mNewInventoryCapability, mHost);
+}
+
+LLMeshUploadThread::~LLMeshUploadThread()
+{
+
+}
+
+void LLMeshUploadThread::run()
+{
+	mCurlRequest = new LLCurlRequest();
+
+	//build map of LLModel refs to instances for callbacks
+	for (instance_list::iterator iter = mInstanceList.begin(); iter != mInstanceList.end(); ++iter)
+	{
+		mInstance[iter->mModel].push_back(*iter);
+	}
+
+	std::set<LLPointer<LLViewerTexture> > textures;
+
+	//populate upload queue with relevant models
+	for (instance_map::iterator iter = mInstance.begin(); iter != mInstance.end(); ++iter)
+	{
+		LLMeshUploadData data;
+		data.mBaseModel = iter->first;
+
+		LLModelInstance& instance = *(iter->second.begin());
+
+		for (S32 i = 0; i < 5; i++)
+		{
+			data.mModel[i] = instance.mLOD[i];
+		}
+
+		uploadModel(data);
+
+		if (mUploadTextures)
+		{
+			for (std::vector<LLImportMaterial>::iterator material_iter = instance.mMaterial.begin();
+				material_iter != instance.mMaterial.end(); ++material_iter)
+			{
+
+				if (textures.find(material_iter->mDiffuseMap) == textures.end())
+				{
+					textures.insert(material_iter->mDiffuseMap);
+					
+					LLTextureUploadData data(material_iter->mDiffuseMap, material_iter->mDiffuseMapLabel);
+					uploadTexture(data);
+				}
+			}
+		}
+	}
+
+
+	//upload textures
+	bool done = false;
+	do
+	{
+		if (!mTextureQ.empty())
+		{
+			sendCostRequest(mTextureQ.front());
+			mTextureQ.pop();
+		}
+
+		if (!mConfirmedTextureQ.empty())
+		{
+			doUploadTexture(mConfirmedTextureQ.front());
+			mConfirmedTextureQ.pop();
+		}
+
+		mCurlRequest->process();
+
+		done = mTextureQ.empty() && mConfirmedTextureQ.empty();
+	}
+	while (!done || mCurlRequest->getQueued() > 0);
+
+	LLSD object_asset;
+	object_asset["objects"] = LLSD::emptyArray();
+
+	done = false;
+	do 
+	{
+		static S32 count = 0;
+		static F32 last_hundred = gFrameTimeSeconds;
+		if (gFrameTimeSeconds - last_hundred > 1.f)
+		{
+			last_hundred = gFrameTimeSeconds;
+			count = 0;
+		}
+
+		//how many requests to push before calling process
+		const S32 PUSH_PER_PROCESS = 32;
+
+		S32 tcount = llmin(count+PUSH_PER_PROCESS, 100);
+
+		while (!mUploadQ.empty() && count < tcount)
+		{ //send any pending upload requests
+			mMutex->lock();
+			LLMeshUploadData data = mUploadQ.front();
+			mUploadQ.pop();
+			mMutex->unlock();
+			sendCostRequest(data);
+			count++;
+		}
+
+		tcount = llmin(count+PUSH_PER_PROCESS, 100);
+		
+		while (!mConfirmedQ.empty() && count < tcount)
+		{ //process any meshes that have been confirmed for upload
+			LLMeshUploadData& data = mConfirmedQ.front();
+			doUploadModel(data);
+			mConfirmedQ.pop();
+			count++;
+		}
+	
+		tcount = llmin(count+PUSH_PER_PROCESS, 100);
+
+		while (!mInstanceQ.empty() && count < tcount)
+		{ //create any objects waiting for upload
+			count++;
+			object_asset["objects"].append(createObject(mInstanceQ.front()));
+			mInstanceQ.pop();
+		}
+			
+		mCurlRequest->process();
+			
+		done = mInstanceQ.empty() && mConfirmedQ.empty() && mUploadQ.empty();
+	}
+	while (!done || mCurlRequest->getQueued() > 0);
+
+	delete mCurlRequest;
+	mCurlRequest = NULL;
+
+	// now upload the object asset
+	std::string url = mUploadObjectAssetCapability;
+	LLHTTPClient::post(url, object_asset, new LLHTTPClient::Responder());
+
+	mFinished = true;
+}
+
+void LLMeshUploadThread::uploadModel(LLMeshUploadData& data)
+{ //called from arbitrary thread
+	{
+		LLMutexLock lock(mMutex);
+		mUploadQ.push(data);
+	}
+}
+
+void LLMeshUploadThread::uploadTexture(LLTextureUploadData& data)
+{ //called from mesh upload thread
+	mTextureQ.push(data);	
+}
+
+
+static LLFastTimer::DeclareTimer FTM_NOTIFY_MESH_LOADED("Notify Loaded");
+static LLFastTimer::DeclareTimer FTM_NOTIFY_MESH_UNAVAILABLE("Notify Unavailable");
+
+void LLMeshRepoThread::notifyLoadedMeshes()
+{
+	while (!mLoadedQ.empty())
+	{
+		mMutex->lock();
+		LoadedMesh mesh = mLoadedQ.front();
+		mLoadedQ.pop();
+		mMutex->unlock();
+		
+		if (mesh.mVolume && mesh.mVolume->getNumVolumeFaces() > 0)
+		{
+			gMeshRepo.notifyMeshLoaded(mesh.mMeshParams, mesh.mVolume);
+		}
+		else
+		{
+			gMeshRepo.notifyMeshUnavailable(mesh.mMeshParams, 
+				LLVolumeLODGroup::getVolumeDetailFromScale(mesh.mVolume->getDetail()));
+		}
+	}
+
+	while (!mUnavailableQ.empty())
+	{
+		mMutex->lock();
+		LODRequest req = mUnavailableQ.front();
+		mUnavailableQ.pop();
+		mMutex->unlock();
+		
+		gMeshRepo.notifyMeshUnavailable(req.mMeshParams, req.mLOD);
+	}
+
+	while (!mSkinInfoQ.empty())
+	{
+		gMeshRepo.notifySkinInfoReceived(mSkinInfoQ.front());
+		mSkinInfoQ.pop();
+	}
+
+	while (!mDecompositionQ.empty())
+	{
+		gMeshRepo.notifyDecompositionReceived(mDecompositionQ.front());
+		mDecompositionQ.pop();
+	}
+}
+
+S32 LLMeshRepoThread::getActualMeshLOD(const LLVolumeParams& mesh_params, S32 lod) 
+{ //only ever called from main thread
+	lod = llclamp(lod, 0, 3);
+
+	LLMutexLock lock(mHeaderMutex);
+	mesh_header_map::iterator iter = mMeshHeader.find(mesh_params.getSculptID());
+
+	if (iter != mMeshHeader.end())
+	{
+		LLSD& header = iter->second;
+
+		if (header.has("404"))
+		{
+			return -1;
+		}
+
+		if (header[header_lod[lod]]["size"].asInteger() > 0)
+		{
+			return lod;
+		}
+
+		//search down to find the next available lower lod
+		for (S32 i = lod-1; i >= 0; --i)
+		{
+			if (header[header_lod[i]]["size"].asInteger() > 0)
+			{
+				return i;
+			}
+		}
+
+		//search up to find then ext available higher lod
+		for (S32 i = lod+1; i < 4; ++i)
+		{
+			if (header[header_lod[i]]["size"].asInteger() > 0)
+			{
+				return i;
+			}
+		}
+
+		//header exists and no good lod found, treat as 404
+		header["404"] = 1;
+		return -1;
+	}
+
+	return lod;
+}
+
+U32 LLMeshRepoThread::getResourceCost(const LLUUID& mesh_id)
+{
+	LLMutexLock lock(mHeaderMutex);
+	
+	std::map<LLUUID, U32>::iterator iter = mMeshResourceCost.find(mesh_id);
+	if (iter != mMeshResourceCost.end())
+	{
+		return iter->second;
+	}
+
+	return 0;
+}
+
+void LLMeshRepository::cacheOutgoingMesh(LLMeshUploadData& data, LLSD& header)
+{
+	mThread->mMeshHeader[data.mUUID] = header;
+
+	// we cache the mesh for default parameters
+	LLVolumeParams volume_params;
+	volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
+	volume_params.setSculptID(data.mUUID, LL_SCULPT_TYPE_MESH);
+
+	for (U32 i = 0; i < 4; i++)
+	{
+		if (data.mModel[i].notNull())
+		{
+			LLPointer<LLVolume> volume = new LLVolume(volume_params, LLVolumeLODGroup::getVolumeScaleFromDetail(i));
+			volume->copyVolumeFaces(data.mModel[i]);
+		}
+	}
+
+}
+
+void LLMeshLODResponder::completedRaw(U32 status, const std::string& reason,
+							  const LLChannelDescriptors& channels,
+							  const LLIOPipe::buffer_ptr_t& buffer)
+{
+
+	LLMeshRepoThread::sActiveLODRequests--;
+	S32 data_size = buffer->countAfter(channels.in(), NULL);
+
+	if (status < 200 || status > 400)
+	{
+		llwarns << status << ": " << reason << llendl;
+	}
+
+	if (data_size < mRequestedBytes)
+	{
+		if (status == 499 || status == 503)
+		{ //timeout or service unavailable, try again
+			LLMeshRepository::sHTTPRetryCount++;
+			gMeshRepo.mThread->loadMeshLOD(mMeshParams, mLOD);
+		}
+		else
+		{
+			llwarns << "Unhandled status " << status << llendl;
+		}
+		return;
+	}
+
+	LLMeshRepository::sBytesReceived += mRequestedBytes;
+
+	U8* data = NULL;
+
+	if (data_size > 0)
+	{
+		data = new U8[data_size];
+		buffer->readAfter(channels.in(), NULL, data, data_size);
+	}
+
+	if (gMeshRepo.mThread->lodReceived(mMeshParams, mLOD, data, data_size))
+	{
+		//good fetch from sim, write to VFS for caching
+		LLVFile file(gVFS, mMeshParams.getSculptID(), LLAssetType::AT_MESH, LLVFile::WRITE);
+
+		S32 offset = mOffset;
+		S32 size = mRequestedBytes;
+
+		if (file.getSize() >= offset+size)
+		{
+			file.seek(offset);
+			file.write(data, size);
+			LLMeshRepository::sCacheBytesWritten += size;
+		}
+	}
+
+	delete [] data;
+}
+
+void LLMeshSkinInfoResponder::completedRaw(U32 status, const std::string& reason,
+							  const LLChannelDescriptors& channels,
+							  const LLIOPipe::buffer_ptr_t& buffer)
+{
+	S32 data_size = buffer->countAfter(channels.in(), NULL);
+
+	if (status < 200 || status > 400)
+	{
+		llwarns << status << ": " << reason << llendl;
+	}
+
+	if (data_size < mRequestedBytes)
+	{
+		if (status == 499 || status == 503)
+		{ //timeout or service unavailable, try again
+			LLMeshRepository::sHTTPRetryCount++;
+			gMeshRepo.mThread->loadMeshSkinInfo(mMeshID);
+		}
+		else
+		{
+			llwarns << "Unhandled status " << status << llendl;
+		}
+		return;
+	}
+
+	LLMeshRepository::sBytesReceived += mRequestedBytes;
+
+	U8* data = NULL;
+
+	if (data_size > 0)
+	{
+		data = new U8[data_size];
+		buffer->readAfter(channels.in(), NULL, data, data_size);
+	}
+
+	if (gMeshRepo.mThread->skinInfoReceived(mMeshID, data, data_size))
+	{
+		//good fetch from sim, write to VFS for caching
+		LLVFile file(gVFS, mMeshID, LLAssetType::AT_MESH, LLVFile::WRITE);
+
+		S32 offset = mOffset;
+		S32 size = mRequestedBytes;
+
+		if (file.getSize() >= offset+size)
+		{
+			LLMeshRepository::sCacheBytesWritten += size;
+			file.seek(offset);
+			file.write(data, size);
+		}
+	}
+
+	delete [] data;
+}
+
+void LLMeshDecompositionResponder::completedRaw(U32 status, const std::string& reason,
+							  const LLChannelDescriptors& channels,
+							  const LLIOPipe::buffer_ptr_t& buffer)
+{
+	S32 data_size = buffer->countAfter(channels.in(), NULL);
+
+	if (status < 200 || status > 400)
+	{
+		llwarns << status << ": " << reason << llendl;
+	}
+
+	if (data_size < mRequestedBytes)
+	{
+		if (status == 499 || status == 503)
+		{ //timeout or service unavailable, try again
+			LLMeshRepository::sHTTPRetryCount++;
+			gMeshRepo.mThread->loadMeshDecomposition(mMeshID);
+		}
+		else
+		{
+			llwarns << "Unhandled status " << status << llendl;
+		}
+		return;
+	}
+
+	LLMeshRepository::sBytesReceived += mRequestedBytes;
+
+	U8* data = NULL;
+
+	if (data_size > 0)
+	{
+		data = new U8[data_size];
+		buffer->readAfter(channels.in(), NULL, data, data_size);
+	}
+
+	if (gMeshRepo.mThread->decompositionReceived(mMeshID, data, data_size))
+	{
+		//good fetch from sim, write to VFS for caching
+		LLVFile file(gVFS, mMeshID, LLAssetType::AT_MESH, LLVFile::WRITE);
+
+		S32 offset = mOffset;
+		S32 size = mRequestedBytes;
+
+		if (file.getSize() >= offset+size)
+		{
+			LLMeshRepository::sCacheBytesWritten += size;
+			file.seek(offset);
+			file.write(data, size);
+		}
+	}
+
+	delete [] data;
+}
+
+void LLMeshHeaderResponder::completedRaw(U32 status, const std::string& reason,
+							  const LLChannelDescriptors& channels,
+							  const LLIOPipe::buffer_ptr_t& buffer)
+{
+	LLMeshRepoThread::sActiveHeaderRequests--;
+	if (status < 200 || status > 400)
+	{
+		llwarns << status << ": " << reason << llendl;
+	}
+
+	S32 data_size = buffer->countAfter(channels.in(), NULL);
+
+	U8* data = NULL;
+
+	if (data_size > 0)
+	{
+		data = new U8[data_size];
+		buffer->readAfter(channels.in(), NULL, data, data_size);
+	}
+
+	LLMeshRepository::sBytesReceived += llmin(data_size, 4096);
+
+	if (!gMeshRepo.mThread->headerReceived(mMeshParams, data, data_size))
+	{
+		llwarns << "Header responder failed with status: " << status << ": " << reason << llendl;
+		if (status == 503 || status == 499)
+		{ //retry
+			LLMeshRepository::sHTTPRetryCount++;
+			LLMeshRepoThread::HeaderRequest req(mMeshParams);
+			gMeshRepo.mThread->mHeaderReqQ.push(req);
+		}
+	}
+	else if (data && data_size > 0)
+	{
+		//header was successfully retrieved from sim, cache in vfs
+		LLUUID mesh_id = mMeshParams.getSculptID();
+		LLSD header = gMeshRepo.mThread->mMeshHeader[mesh_id];
+
+		std::stringstream str;
+
+		S32 lod_bytes = 0;
+
+		for (U32 i = 0; i < LLModel::LOD_PHYSICS; ++i)
+		{ //figure out how many bytes we'll need to reserve in the file
+			std::string lod_name = header_lod[i];
+			lod_bytes = llmax(lod_bytes, header[lod_name]["offset"].asInteger()+header[lod_name]["size"].asInteger());
+		}
+		
+		//just in case skin info or decomposition is at the end of the file (which it shouldn't be)
+		lod_bytes = llmax(lod_bytes, header["skin"]["offset"].asInteger() + header["skin"]["size"].asInteger());
+		lod_bytes = llmax(lod_bytes, header["decomposition"]["offset"].asInteger() + header["decomposition"]["size"].asInteger());
+
+		S32 header_bytes = (S32) gMeshRepo.mThread->mMeshHeaderSize[mesh_id];
+		S32 bytes = lod_bytes + header_bytes; 
+
+		
+		//it's possible for the remote asset to have more data than is needed for the local cache
+		//only allocate as much space in the VFS as is needed for the local cache
+		data_size = llmin(data_size, bytes);
+
+		LLVFile file(gVFS, mesh_id, LLAssetType::AT_MESH, LLVFile::WRITE);
+		if (file.getMaxSize() >= bytes || file.setMaxSize(bytes))
+		{
+			LLMeshRepository::sCacheBytesWritten += data_size;
+
+			file.write((const U8*) data, data_size);
+			
+			//zero out the rest of the file 
+			U8 block[4096];
+			memset(block, 0, 4096);
+
+			while (bytes-file.tell() > 4096)
+			{
+				file.write(block, 4096);
+			}
+
+			S32 remaining = bytes-file.tell();
+
+			if (remaining < 0 || remaining > 4096)
+			{
+				llerrs << "Bad padding of mesh asset cache entry." << llendl;
+			}
+
+			if (remaining > 0)
+			{
+				file.write(block, remaining);
+			}
+		}
+	}
+
+	delete [] data;
+}
+
+
+LLMeshRepository::LLMeshRepository()
+: mMeshMutex(NULL),
+  mMeshThreadCount(0),
+  mThread(NULL)
+{
+
+}
+
+void LLMeshRepository::init()
+{
+	mMeshMutex = new LLMutex(NULL);
+	
+	mDecompThread = new LLPhysicsDecomp();
+	mDecompThread->start();
+
+	while (!mDecompThread->mInited)
+	{ //wait for physics decomp thread to init
+		apr_sleep(100);
+	}
+
+	mThread = new LLMeshRepoThread();
+	mThread->start();
+}
+
+void LLMeshRepository::shutdown()
+{
+	mThread->mSignal->signal();
+
+	delete mThread;
+	mThread = NULL;
+
+	for (U32 i = 0; i < mUploads.size(); ++i)
+	{
+		delete mUploads[i];
+	}
+
+	mUploads.clear();
+
+	delete mMeshMutex;
+	mMeshMutex = NULL;
+
+	if (mDecompThread)
+	{
+		mDecompThread->shutdown();
+		delete mDecompThread;
+		mDecompThread = NULL;
+	}
+}
+
+
+S32 LLMeshRepository::loadMesh(LLVOVolume* vobj, const LLVolumeParams& mesh_params, S32 detail)
+{
+	if (detail < 0 || detail > 4)
+	{
+		return detail;
+	}
+
+	LLFastTimer t(FTM_LOAD_MESH); 
+
+	{
+		LLMutexLock lock(mMeshMutex);
+		//add volume to list of loading meshes
+		mesh_load_map::iterator iter = mLoadingMeshes[detail].find(mesh_params);
+		if (iter != mLoadingMeshes[detail].end())
+		{ //request pending for this mesh, append volume id to list
+			iter->second.insert(vobj->getID());
+		}
+		else
+		{
+			//first request for this mesh
+			mLoadingMeshes[detail][mesh_params].insert(vobj->getID());
+			mPendingRequests.push_back(LLMeshRepoThread::LODRequest(mesh_params, detail));
+		}
+	}
+
+	//do a quick search to see if we can't display something while we wait for this mesh to load
+	LLVolume* volume = vobj->getVolume();
+
+	if (volume)
+	{
+		if (volume->getNumVolumeFaces() == 0 && !volume->isTetrahedron())
+		{
+			volume->makeTetrahedron();
+		}
+
+		LLVolumeParams params = volume->getParams();
+
+		LLVolumeLODGroup* group = LLPrimitive::getVolumeManager()->getGroup(params);
+
+		if (group)
+		{
+			//first see what the next lowest LOD available might be
+			for (S32 i = detail-1; i >= 0; --i)
+			{
+				LLVolume* lod = group->refLOD(i);
+				if (lod && !lod->isTetrahedron() && lod->getNumVolumeFaces() > 0)
+				{
+					group->derefLOD(lod);
+					return i;
+				}
+
+				group->derefLOD(lod);
+			}
+
+			//no lower LOD is a available, is a higher lod available?
+			for (S32 i = detail+1; i < 4; ++i)
+			{
+				LLVolume* lod = group->refLOD(i);
+				if (lod && !lod->isTetrahedron() && lod->getNumVolumeFaces() > 0)
+				{
+					group->derefLOD(lod);
+					return i;
+				}
+
+				group->derefLOD(lod);
+			}
+		}
+		else
+		{
+			llerrs << "WTF?" << llendl;
+		}
+	}
+
+	return detail;
+}
+
+static LLFastTimer::DeclareTimer FTM_START_MESH_THREAD("Start Thread");
+static LLFastTimer::DeclareTimer FTM_LOAD_MESH_LOD("Load LOD");
+static LLFastTimer::DeclareTimer FTM_MESH_LOCK1("Lock 1");
+static LLFastTimer::DeclareTimer FTM_MESH_LOCK2("Lock 2");
+
+void LLMeshRepository::notifyLoadedMeshes()
+{ //called from main thread
+
+	LLMeshRepoThread::sMaxConcurrentRequests = gSavedSettings.getU32("MeshMaxConcurrentRequests");
+
+	//clean up completed upload threads
+	for (std::vector<LLMeshUploadThread*>::iterator iter = mUploads.begin(); iter != mUploads.end(); )
+	{
+		LLMeshUploadThread* thread = *iter;
+
+		if (thread->isStopped() && thread->finished())
+		{
+			iter = mUploads.erase(iter);
+			delete thread;
+		}
+		else
+		{
+			++iter;
+		}
+	}
+
+	//update inventory
+	if (!mInventoryQ.empty())
+	{
+		LLMutexLock lock(mMeshMutex);
+		while (!mInventoryQ.empty())
+		{
+			inventory_data& data = mInventoryQ.front();
+
+			LLAssetType::EType asset_type = LLAssetType::lookup(data.mPostData["asset_type"].asString());
+			LLInventoryType::EType inventory_type = LLInventoryType::lookup(data.mPostData["inventory_type"].asString());
+
+			on_new_single_inventory_upload_complete(
+				asset_type,
+				inventory_type,
+				data.mPostData["asset_type"].asString(),
+				data.mPostData["folder_id"].asUUID(),
+				data.mPostData["name"],
+				data.mPostData["description"],
+				data.mResponse,
+				0);
+			
+			mInventoryQ.pop();
+		}
+	}
+	
+	if (!mThread->mWaiting)
+	{ //curl thread is churning, wait for it to go idle
+		return;
+	}
+
+	LLFastTimer t(FTM_MESH_UPDATE);
+
+	{
+		LLFastTimer t(FTM_MESH_LOCK1);
+		mMeshMutex->lock();	
+	}
+
+	{
+		LLFastTimer t(FTM_MESH_LOCK2);
+		mThread->mMutex->lock();
+	}
+	
+	//popup queued error messages from background threads
+	while (!mUploadErrorQ.empty())
+	{
+		LLNotificationsUtil::add("MeshUploadError", mUploadErrorQ.front());
+		mUploadErrorQ.pop();
+	}
+
+	S32 push_count = LLMeshRepoThread::sMaxConcurrentRequests-(LLMeshRepoThread::sActiveHeaderRequests+LLMeshRepoThread::sActiveLODRequests);
+
+	if (push_count > 0)
+	{
+		//calculate "score" for pending requests
+
+		//create score map
+		std::map<LLUUID, F32> score_map;
+
+		for (U32 i = 0; i < 4; ++i)
+		{
+			for (mesh_load_map::iterator iter = mLoadingMeshes[i].begin();  iter != mLoadingMeshes[i].end(); ++iter)
+			{
+				F32 max_score = 0.f;
+				for (std::set<LLUUID>::iterator obj_iter = iter->second.begin(); obj_iter != iter->second.end(); ++obj_iter)
+				{
+					LLViewerObject* object = gObjectList.findObject(*obj_iter);
+
+					if (object)
+					{
+						LLDrawable* drawable = object->mDrawable;
+						if (drawable)
+						{
+							F32 cur_score = drawable->getRadius()/llmax(drawable->mDistanceWRTCamera, 1.f);
+							max_score = llmax(max_score, cur_score);
+						}
+					}
+				}
+				
+				score_map[iter->first.getSculptID()] = max_score;
+			}
+		}
+
+		//set "score" for pending requests
+		for (std::vector<LLMeshRepoThread::LODRequest>::iterator iter = mPendingRequests.begin(); iter != mPendingRequests.end(); ++iter)
+		{
+			iter->mScore = score_map[iter->mMeshParams.getSculptID()];
+		}
+
+		//sort by "score"
+		std::sort(mPendingRequests.begin(), mPendingRequests.end(), LLMeshRepoThread::CompareScoreGreater());
+
+		while (!mPendingRequests.empty() && push_count > 0)
+		{
+			LLFastTimer t(FTM_LOAD_MESH_LOD);
+			LLMeshRepoThread::LODRequest& request = mPendingRequests.front();
+			mThread->loadMeshLOD(request.mMeshParams, request.mLOD);
+			mPendingRequests.erase(mPendingRequests.begin());
+			push_count--;
+		}
+	}
+
+	//send skin info requests
+	while (!mPendingSkinRequests.empty())
+	{
+		mThread->loadMeshSkinInfo(mPendingSkinRequests.front());
+		mPendingSkinRequests.pop();
+	}
+	
+	//send decomposition requests
+	while (!mPendingDecompositionRequests.empty())
+	{
+		mThread->loadMeshDecomposition(mPendingDecompositionRequests.front());
+		mPendingDecompositionRequests.pop();
+	}
+	
+	mThread->notifyLoadedMeshes();
+
+	mThread->mMutex->unlock();
+	mMeshMutex->unlock();
+
+	mThread->mSignal->signal();
+}
+
+void LLMeshRepository::notifySkinInfoReceived(LLMeshSkinInfo& info)
+{
+	mSkinMap[info.mMeshID] = info;
+	mLoadingSkins.erase(info.mMeshID);
+}
+
+void LLMeshRepository::notifyDecompositionReceived(LLMeshDecomposition* decomp)
+{
+	mDecompositionMap[decomp->mMeshID] = decomp;
+	mLoadingDecompositions.erase(decomp->mMeshID);
+}
+
+void LLMeshRepository::notifyMeshLoaded(const LLVolumeParams& mesh_params, LLVolume* volume)
+{
+	S32 detail = LLVolumeLODGroup::getVolumeDetailFromScale(volume->getDetail());
+
+	//get list of objects waiting to be notified this mesh is loaded
+	mesh_load_map::iterator obj_iter = mLoadingMeshes[detail].find(mesh_params);
+
+	if (volume && obj_iter != mLoadingMeshes[detail].end())
+	{
+		//make sure target volume is still valid
+		if (volume->getNumVolumeFaces() <= 0)
+		{
+			llwarns << "Mesh loading returned empty volume." << llendl;
+			volume->makeTetrahedron();
+		}
+		
+		{ //update system volume
+			LLVolume* sys_volume = LLPrimitive::getVolumeManager()->refVolume(mesh_params, detail);
+			if (sys_volume)
+			{
+				sys_volume->copyVolumeFaces(volume);
+				LLPrimitive::getVolumeManager()->unrefVolume(sys_volume);
+			}
+			else
+			{
+				llwarns << "Couldn't find system volume for given mesh." << llendl;
+			}
+		}
+
+		//notify waiting LLVOVolume instances that their requested mesh is available
+		for (std::set<LLUUID>::iterator vobj_iter = obj_iter->second.begin(); vobj_iter != obj_iter->second.end(); ++vobj_iter)
+		{
+			LLVOVolume* vobj = (LLVOVolume*) gObjectList.findObject(*vobj_iter);
+			if (vobj)
+			{
+				vobj->notifyMeshLoaded();
+			}
+		}
+		
+		mLoadingMeshes[detail].erase(mesh_params);
+	}
+}
+
+void LLMeshRepository::notifyMeshUnavailable(const LLVolumeParams& mesh_params, S32 lod)
+{
+	//get list of objects waiting to be notified this mesh is loaded
+	mesh_load_map::iterator obj_iter = mLoadingMeshes[lod].find(mesh_params);
+
+	F32 detail = LLVolumeLODGroup::getVolumeScaleFromDetail(lod);
+
+	if (obj_iter != mLoadingMeshes[lod].end())
+	{
+		for (std::set<LLUUID>::iterator vobj_iter = obj_iter->second.begin(); vobj_iter != obj_iter->second.end(); ++vobj_iter)
+		{
+			LLVOVolume* vobj = (LLVOVolume*) gObjectList.findObject(*vobj_iter);
+			if (vobj)
+			{
+				LLVolume* obj_volume = vobj->getVolume();
+
+				if (obj_volume && 
+					obj_volume->getDetail() == detail &&
+					obj_volume->getParams() == mesh_params)
+				{ //should force volume to find most appropriate LOD
+					vobj->setVolume(obj_volume->getParams(), lod);
+				}
+			}
+		}
+		
+		mLoadingMeshes[lod].erase(mesh_params);
+	}
+}
+
+S32 LLMeshRepository::getActualMeshLOD(const LLVolumeParams& mesh_params, S32 lod)
+{ 
+	return mThread->getActualMeshLOD(mesh_params, lod);
+}
+
+U32 LLMeshRepository::calcResourceCost(LLSD& header)
+{
+	U32 bytes = 0;
+
+	for (U32 i = 0; i < 4; i++)
+	{
+		bytes += header[header_lod[i]]["size"].asInteger();
+	}
+
+	bytes += header["skin"]["size"].asInteger();
+
+	return bytes/4096 + 1;
+}
+
+U32 LLMeshRepository::getResourceCost(const LLUUID& mesh_id)
+{
+	return mThread->getResourceCost(mesh_id);
+}
+
+const LLMeshSkinInfo* LLMeshRepository::getSkinInfo(const LLUUID& mesh_id)
+{
+	if (mesh_id.notNull())
+	{
+		skin_map::iterator iter = mSkinMap.find(mesh_id);
+		if (iter != mSkinMap.end())
+		{
+			return &(iter->second);
+		}
+		
+		//no skin info known about given mesh, try to fetch it
+		{
+			LLMutexLock lock(mMeshMutex);
+			//add volume to list of loading meshes
+			std::set<LLUUID>::iterator iter = mLoadingSkins.find(mesh_id);
+			if (iter == mLoadingSkins.end())
+			{ //no request pending for this skin info
+				mLoadingSkins.insert(mesh_id);
+				mPendingSkinRequests.push(mesh_id);
+			}
+		}
+	}
+
+	return NULL;
+}
+
+const LLMeshDecomposition* LLMeshRepository::getDecomposition(const LLUUID& mesh_id)
+{
+	if (mesh_id.notNull())
+	{
+		decomposition_map::iterator iter = mDecompositionMap.find(mesh_id);
+		if (iter != mDecompositionMap.end())
+		{
+			return iter->second;
+		}
+		
+		//no skin info known about given mesh, try to fetch it
+		{
+			LLMutexLock lock(mMeshMutex);
+			//add volume to list of loading meshes
+			std::set<LLUUID>::iterator iter = mLoadingDecompositions.find(mesh_id);
+			if (iter == mLoadingDecompositions.end())
+			{ //no request pending for this skin info
+				mLoadingDecompositions.insert(mesh_id);
+				mPendingDecompositionRequests.push(mesh_id);
+			}
+		}
+	}
+
+	return NULL;
+}
+
+void LLMeshRepository::uploadModel(std::vector<LLModelInstance>& data, LLVector3& scale, bool upload_textures)
+{
+	LLMeshUploadThread* thread = new LLMeshUploadThread(data, scale, upload_textures);
+	mUploads.push_back(thread);
+	thread->start();
+}
+
+void LLMeshUploadThread::sendCostRequest(LLMeshUploadData& data)
+{
+	//write model file to memory buffer
+	std::stringstream ostr;
+	
+	LLModel::physics_shape& phys_shape = data.mModel[LLModel::LOD_PHYSICS].notNull() ? 
+		data.mModel[LLModel::LOD_PHYSICS]->mPhysicsShape : 
+		data.mBaseModel->mPhysicsShape;
+
+	LLSD header = LLModel::writeModel(ostr,  
+		data.mModel[LLModel::LOD_PHYSICS],
+		data.mModel[LLModel::LOD_HIGH],
+		data.mModel[LLModel::LOD_MEDIUM],
+		data.mModel[LLModel::LOD_LOW],
+		data.mModel[LLModel::LOD_IMPOSTOR], 
+		phys_shape,
+		true);
+
+	std::string desc = data.mBaseModel->mLabel;
+	
+	// Grab the total vertex count of the model
+	// along with other information for the "asset_resources" map
+	// to send to the server.
+	LLSD asset_resources = LLSD::emptyMap();
+
+
+	std::string url = mNewInventoryCapability; 
+
+	if (!url.empty())
+	{
+		LLSD body = generate_new_resource_upload_capability_body(
+			LLAssetType::AT_MESH,
+			desc,
+			desc,
+			LLFolderType::FT_MESH,
+			LLInventoryType::IT_MESH,
+			LLFloaterPerms::getNextOwnerPerms(),
+			LLFloaterPerms::getGroupPerms(),
+			LLFloaterPerms::getEveryonePerms());
+
+		body["asset_resources"] = asset_resources;
+
+		mPendingConfirmations++;
+		LLCurlRequest::headers_t headers;
+
+		data.mPostData = body;
+
+		mCurlRequest->post(url, headers, body, new LLMeshCostResponder(data, this));
+	}	
+}
+
+void LLMeshUploadThread::sendCostRequest(LLTextureUploadData& data)
+{
+	if (data.mTexture.notNull() && data.mTexture->getDiscardLevel() >= 0)
+	{
+		LLSD asset_resources = LLSD::emptyMap();
+
+		std::string url = mNewInventoryCapability; 
+
+		if (!url.empty())
+		{
+			LLSD body = generate_new_resource_upload_capability_body(
+				LLAssetType::AT_TEXTURE,
+				data.mLabel,
+				data.mLabel,
+				LLFolderType::FT_TEXTURE,
+				LLInventoryType::IT_TEXTURE,
+				LLFloaterPerms::getNextOwnerPerms(),
+				LLFloaterPerms::getGroupPerms(),
+				LLFloaterPerms::getEveryonePerms());
+
+			body["asset_resources"] = asset_resources;
+
+			mPendingConfirmations++;
+			LLCurlRequest::headers_t headers;
+			
+			data.mPostData = body;
+			mCurlRequest->post(url, headers, body, new LLTextureCostResponder(data, this));
+		}	
+	}
+}
+
+
+void LLMeshUploadThread::doUploadModel(LLMeshUploadData& data)
+{
+	if (!data.mRSVP.empty())
+	{
+		std::stringstream ostr;
+
+		LLModel::physics_shape& phys_shape = data.mModel[LLModel::LOD_PHYSICS].notNull() ? 
+		data.mModel[LLModel::LOD_PHYSICS]->mPhysicsShape : 
+		data.mBaseModel->mPhysicsShape;
+
+		LLModel::writeModel(ostr,  
+			data.mModel[LLModel::LOD_PHYSICS],
+			data.mModel[LLModel::LOD_HIGH],
+			data.mModel[LLModel::LOD_MEDIUM],
+			data.mModel[LLModel::LOD_LOW],
+			data.mModel[LLModel::LOD_IMPOSTOR], 
+			phys_shape);
+
+		data.mAssetData = ostr.str();
+
+		LLCurlRequest::headers_t headers;
+		mPendingUploads++;
+
+		mCurlRequest->post(data.mRSVP, headers, data.mAssetData, new LLMeshUploadResponder(data, this));
+	}
+}
+
+void LLMeshUploadThread::doUploadTexture(LLTextureUploadData& data)
+{
+	if (!data.mRSVP.empty())
+	{
+		std::stringstream ostr;
+		
+		if (!data.mTexture->isRawImageValid())
+		{
+			data.mTexture->reloadRawImage(data.mTexture->getDiscardLevel());
+		}
+
+		LLPointer<LLImageJ2C> upload_file = LLViewerTextureList::convertToUploadFile(data.mTexture->getRawImage());
+		
+		ostr.write((const char*) upload_file->getData(), upload_file->getDataSize());
+
+		data.mAssetData = ostr.str();
+
+		LLCurlRequest::headers_t headers;
+		mPendingUploads++;
+
+		mCurlRequest->post(data.mRSVP, headers, data.mAssetData, new LLTextureUploadResponder(data, this));
+	}
+}
+
+
+void LLMeshUploadThread::onModelUploaded(LLMeshUploadData& data)
+{
+	createObjects(data);
+}
+
+void LLMeshUploadThread::onTextureUploaded(LLTextureUploadData& data)
+{
+	mTextureMap[data.mTexture] = data;
+}
+
+
+void LLMeshUploadThread::createObjects(LLMeshUploadData& data)
+{
+	instance_list& instances = mInstance[data.mBaseModel];
+
+	for (instance_list::iterator iter = instances.begin(); iter != instances.end(); ++iter)
+	{ //create prims that reference given mesh
+		LLModelInstance& instance = *iter;
+		instance.mMeshID = data.mUUID;
+		mInstanceQ.push(instance);
+	}
+}
+
+LLSD LLMeshUploadThread::createObject(LLModelInstance& instance)
+{
+	LLMatrix4 transformation = instance.mTransform;
+
+	if (instance.mMeshID.isNull())
+	{
+		llerrs << "WTF?" << llendl;
+	}
+
+	// check for reflection
+	BOOL reflected = (transformation.determinant() < 0);
+
+	// compute position
+	LLVector3 position = LLVector3(0, 0, 0) * transformation;
+
+	// compute scale
+	LLVector3 x_transformed = LLVector3(1, 0, 0) * transformation - position;
+	LLVector3 y_transformed = LLVector3(0, 1, 0) * transformation - position;
+	LLVector3 z_transformed = LLVector3(0, 0, 1) * transformation - position;
+	F32 x_length = x_transformed.normalize();
+	F32 y_length = y_transformed.normalize();
+	F32 z_length = z_transformed.normalize();
+	LLVector3 scale = LLVector3(x_length, y_length, z_length);
+
+    // adjust for "reflected" geometry
+	LLVector3 x_transformed_reflected = x_transformed;
+	if (reflected)
+	{
+		x_transformed_reflected *= -1.0;
+	}
+	
+	// compute rotation
+	LLMatrix3 rotation_matrix;
+	rotation_matrix.setRows(x_transformed_reflected, y_transformed, z_transformed);
+	LLQuaternion quat_rotation = rotation_matrix.quaternion();
+	quat_rotation.normalize(); // the rotation_matrix might not have been orthoginal.  make it so here.
+	LLVector3 euler_rotation;
+	quat_rotation.getEulerAngles(&euler_rotation.mV[VX], &euler_rotation.mV[VY], &euler_rotation.mV[VZ]);
+
+	//
+	// build parameter block to construct this prim
+	//
+	
+	LLSD object_params;
+
+	// create prim
+
+	// set volume params
+	U8 sculpt_type = LL_SCULPT_TYPE_MESH;
+	if (reflected)
+	{
+		sculpt_type |= LL_SCULPT_FLAG_MIRROR;
+	}
+	LLVolumeParams  volume_params;
+	volume_params.setType( LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE );
+	volume_params.setBeginAndEndS( 0.f, 1.f );
+	volume_params.setBeginAndEndT( 0.f, 1.f );
+	volume_params.setRatio  ( 1, 1 );
+	volume_params.setShear  ( 0, 0 );
+	volume_params.setSculptID(instance.mMeshID, sculpt_type);
+	object_params["shape"] = volume_params.asLLSD();
+
+	object_params["material"] = LL_MCODE_WOOD;
+
+	object_params["group-id"] = gAgent.getGroupID();
+	object_params["pos"] = ll_sd_from_vector3(position + mOrigin);
+	object_params["rotation"] = ll_sd_from_quaternion(quat_rotation);
+	object_params["scale"] = ll_sd_from_vector3(scale);
+	object_params["name"] = instance.mModel->mLabel;
+
+	// load material from dae file
+	object_params["facelist"] = LLSD::emptyArray();
+	for (S32 i = 0; i < instance.mMaterial.size(); i++)
+	{
+		LLTextureEntry te;
+		LLImportMaterial& mat = instance.mMaterial[i];
+
+		te.setColor(mat.mDiffuseColor);
+
+		LLUUID diffuse_id = mTextureMap[mat.mDiffuseMap].mUUID;
+
+		if (diffuse_id.notNull())
+		{
+			te.setID(diffuse_id);
+		}
+		else
+		{
+			te.setID(LLUUID("5748decc-f629-461c-9a36-a35a221fe21f")); // blank texture
+		}
+
+		te.setFullbright(mat.mFullbright);
+
+		object_params["facelist"][i] = te.asLLSD();
+	}
+
+	// set extra parameters
+	LLSculptParams sculpt_params;
+	sculpt_params.setSculptTexture(instance.mMeshID);
+	sculpt_params.setSculptType(sculpt_type);
+	U8 buffer[MAX_OBJECT_PARAMS_SIZE+1];
+	LLDataPackerBinaryBuffer dp(buffer, MAX_OBJECT_PARAMS_SIZE);
+	sculpt_params.pack(dp);
+	std::vector<U8> v(dp.getCurrentSize());
+	memcpy(&v[0], buffer, dp.getCurrentSize());
+	LLSD extra_parameter;
+	extra_parameter["extra_parameter"] = sculpt_params.mType;
+	extra_parameter["param_data"] = v;
+	object_params["extra_parameters"].append(extra_parameter);
+
+	return object_params;
+}
+
+void LLMeshUploadThread::priceResult(LLMeshUploadData& data, const LLSD& content)
+{
+	mPendingCost += content["upload_price"].asInteger();
+	data.mRSVP = content["rsvp"].asString();
+	data.mRSVP = scrub_host_name(data.mRSVP, mHost);
+
+	mConfirmedQ.push(data);
+}
+
+void LLMeshUploadThread::priceResult(LLTextureUploadData& data, const LLSD& content)
+{
+	mPendingCost += content["upload_price"].asInteger();
+	data.mRSVP = content["rsvp"].asString();
+	data.mRSVP = scrub_host_name(data.mRSVP, mHost);
+
+	mConfirmedTextureQ.push(data);
+}
+
+
+bool LLImportMaterial::operator<(const LLImportMaterial &rhs) const
+{
+	if (mDiffuseMap != rhs.mDiffuseMap)
+	{
+		return mDiffuseMap < rhs.mDiffuseMap;
+	}
+
+	if (mDiffuseMapFilename != rhs.mDiffuseMapFilename)
+	{
+		return mDiffuseMapFilename < rhs.mDiffuseMapFilename;
+	}
+
+	if (mDiffuseMapLabel != rhs.mDiffuseMapLabel)
+	{
+		return mDiffuseMapLabel < rhs.mDiffuseMapLabel;
+	}
+
+	if (mDiffuseColor != rhs.mDiffuseColor)
+	{
+		return mDiffuseColor < rhs.mDiffuseColor;
+	}
+
+	return mFullbright < rhs.mFullbright;
+}
+
+
+void LLMeshRepository::updateInventory(inventory_data data)
+{
+	LLMutexLock lock(mMeshMutex);
+	mInventoryQ.push(data);
+}
+
+void LLMeshRepository::uploadError(LLSD& args)
+{
+	LLMutexLock lock(mMeshMutex);
+	mUploadErrorQ.push(args);
+}
+
+
+LLPhysicsDecomp::LLPhysicsDecomp()
+: LLThread("Physics Decomp")
+{
+	mInited = false;
+	mQuitting = false;
+	mDone = false;
+	mStage = -1;
+	mContinue = 1;
+
+	mSignal = new LLCondition(NULL);
+	mMutex = new LLMutex(NULL);
+
+	setStatusMessage("Idle");
+}
+
+LLPhysicsDecomp::~LLPhysicsDecomp()
+{
+	shutdown();
+}
+
+void LLPhysicsDecomp::shutdown()
+{
+	if (mSignal)
+	{
+		mQuitting = true;
+		mContinue = 0;
+		mSignal->signal();
+
+		while (!mDone)
+		{
+			apr_sleep(100);
+		}
+	}
+}
+
+void LLPhysicsDecomp::setStatusMessage(std::string msg)
+{
+	LLMutexLock lock(mMutex);
+	mStatus = msg;
+}
+
+void LLPhysicsDecomp::execute(const char* stage, LLModel* mdl)
+{
+	LLMutexLock lock(mMutex);
+
+	if (mModel.notNull())
+	{
+		llwarns << "Not done processing previous model." << llendl;
+		return;
+	}
+
+	mModel = mdl;
+	//load model into LLCD
+	if (mdl)
+	{
+		mStage = mStageID[stage];
+				
+		U16 index_offset = 0;
+
+		if (mStage == 0)
+		{
+			mPositions.clear();
+			mIndices.clear();
+			
+			//queue up vertex positions and indices
+			for (S32 i = 0; i < mdl->getNumVolumeFaces(); ++i)
+			{
+				const LLVolumeFace& face = mdl->getVolumeFace(i);
+				if (mPositions.size() + face.mNumVertices > 65535)
+				{
+					continue;
+				}
+
+				for (U32 j = 0; j < face.mNumVertices; ++j)
+				{
+					mPositions.push_back(LLVector3(face.mPositions[j].getF32ptr()));
+				}
+
+				for (U32 j = 0; j < face.mNumIndices; ++j)
+				{
+					mIndices.push_back(face.mIndices[j]+index_offset);
+				}
+
+				index_offset += face.mNumVertices;
+			}
+		}
+
+		//signal decomposition thread
+		mSignal->signal();
+	}
+}
+
+//static
+S32 LLPhysicsDecomp::llcdCallback(const char* status, S32 p1, S32 p2)
+{	
+	LLPhysicsDecomp* comp = gMeshRepo.mDecompThread;
+	comp->setStatusMessage(llformat("%s: %d/%d", status, p1, p2));
+	return comp->mContinue;
+}
+
+void LLPhysicsDecomp::cancel()
+{
+	mContinue = 0;
+}
+
+void LLPhysicsDecomp::run()
+{
+	LLConvexDecomposition::initSystem();
+	mInited = true;
+
+	while (!mQuitting)
+	{
+		mSignal->wait();
+		if (!mQuitting)
+		{
+			//load data intoLLCD
+			if (mStage == 0)
+			{
+				mMesh.mVertexBase = mPositions[0].mV;
+				mMesh.mVertexStrideBytes = 12;
+				mMesh.mNumVertices = mPositions.size();
+
+				mMesh.mIndexType = LLCDMeshData::INT_16;
+				mMesh.mIndexBase = &(mIndices[0]);
+				mMesh.mIndexStrideBytes = 6;
+				
+				mMesh.mNumTriangles = mIndices.size()/3;
+
+				LLCDResult ret = LLCD_OK;
+				if (LLConvexDecomposition::getInstance() != NULL)
+				{
+					ret  = LLConvexDecomposition::getInstance()->setMeshData(&mMesh);
+				}
+
+				if (ret)
+				{
+					llerrs << "Convex Decomposition thread valid but could not set mesh data" << llendl;
+				}
+			}
+
+			setStatusMessage("Executing.");
+
+			mContinue = 1;
+			LLCDResult ret = LLCD_OK;
+			if (LLConvexDecomposition::getInstance() != NULL)
+			{
+				ret = LLConvexDecomposition::getInstance()->executeStage(mStage);
+			}
+
+			mContinue = 0;
+			if (ret)
+			{
+				llerrs << "Convex Decomposition thread valid but could not execute stage " << mStage << llendl;
+			}
+
+
+			setStatusMessage("Reading results");
+
+			S32 num_hulls =0;
+			if (LLConvexDecomposition::getInstance() != NULL)
+			{
+				num_hulls = LLConvexDecomposition::getInstance()->getNumHullsFromStage(mStage);
+			}
+			
+			if (mModel.isNull())
+			{
+				llerrs << "mModel should never be null here!" << llendl;
+			}
+
+			mMutex->lock();
+			mModel->mPhysicsShape.clear();
+			mModel->mPhysicsShape.resize(num_hulls);
+			mModel->mHullCenter.clear();
+			mModel->mHullCenter.resize(num_hulls);
+			std::vector<LLPointer<LLVertexBuffer> > mesh_buffer;
+			mesh_buffer.resize(num_hulls);
+			mModel->mPhysicsCenter.clearVec();
+			mModel->mPhysicsPoints = 0;
+			mMutex->unlock();
+
+			for (S32 i = 0; i < num_hulls; ++i)
+			{
+				std::vector<LLVector3> p;
+				LLCDHull hull;
+				// if LLConvexDecomposition is a stub, num_hulls should have been set to 0 above, and we should not reach this code
+				LLConvexDecomposition::getInstance()->getHullFromStage(mStage, i, &hull);
+
+				const F32* v = hull.mVertexBase;
+
+				LLVector3 hull_center;
+
+				for (S32 j = 0; j < hull.mNumVertices; ++j)
+				{
+					LLVector3 vert(v[0], v[1], v[2]); 
+					p.push_back(vert);
+					hull_center += vert;
+					v = (F32*) (((U8*) v) + hull.mVertexStrideBytes);
+				}
+
+				
+				hull_center *= 1.f/hull.mNumVertices;
+
+				LLCDMeshData mesh;
+				// if LLConvexDecomposition is a stub, num_hulls should have been set to 0 above, and we should not reach this code
+				LLConvexDecomposition::getInstance()->getMeshFromStage(mStage, i, &mesh);
+
+				mesh_buffer[i] = get_vertex_buffer_from_mesh(mesh);
+
+				mMutex->lock();
+				mModel->mPhysicsShape[i] = p;
+				mModel->mHullCenter[i] = hull_center;
+				mModel->mPhysicsPoints += hull.mNumVertices;
+				mModel->mPhysicsCenter += hull_center;
+
+				mMutex->unlock();
+			}
+
+			{
+				LLMutexLock lock(mMutex);
+				mModel->mPhysicsCenter *= 1.f/mModel->mPhysicsPoints;
+			
+				LLFloaterModelPreview::onModelDecompositionComplete(mModel, mesh_buffer);
+				//done updating model
+				mModel = NULL;
+			}
+
+			setStatusMessage("Done.");
+			LLFloaterModelPreview::sInstance->mModelPreview->refresh();
+		}
+	}
+
+	LLConvexDecomposition::quitSystem();
+
+	//delete mSignal;
+	delete mMutex;
+	mSignal = NULL;
+	mMutex = NULL;
+	mDone = true;
+}
+
+#endif
+
diff --git a/indra/newview/llmeshrepository.h b/indra/newview/llmeshrepository.h
new file mode 100644
index 0000000000..d5e21c35cc
--- /dev/null
+++ b/indra/newview/llmeshrepository.h
@@ -0,0 +1,471 @@
+/** 
+ * @file llmeshrepository.h
+ * @brief Client-side repository of mesh assets.
+ *
+ * $LicenseInfo:firstyear=2001&license=viewergpl$
+ * 
+ * Copyright (c) 2001-2009, Linden Research, Inc.
+ * 
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_MESH_REPOSITORY_H
+#define LL_MESH_REPOSITORY_H
+
+#include "llassettype.h"
+#include "llmodel.h"
+#include "lluuid.h"
+#include "llviewertexture.h"
+#include "llvolume.h"
+
+#if LL_MESH_ENABLED
+
+#define LLCONVEXDECOMPINTER_STATIC 1
+
+#include "llconvexdecomposition.h"
+
+class LLVOVolume;
+class LLMeshResponder;
+class LLCurlRequest;
+class LLMutex;
+class LLCondition;
+class LLVFS;
+class LLMeshRepository;
+
+class LLMeshUploadData
+{
+public:
+	LLPointer<LLModel> mBaseModel;
+	LLPointer<LLModel> mModel[5];
+	LLUUID mUUID;
+	U32 mRetries;
+	std::string mRSVP;
+	std::string mAssetData;
+	LLSD mPostData;
+
+	LLMeshUploadData()
+	{
+		mRetries = 0;
+	}
+};
+
+class LLTextureUploadData
+{
+public:
+	LLPointer<LLViewerFetchedTexture> mTexture;
+	LLUUID mUUID;
+	std::string mRSVP;
+	std::string mLabel;
+	U32 mRetries;
+	std::string mAssetData;
+	LLSD mPostData;
+
+	LLTextureUploadData()
+	{
+		mRetries = 0;
+	}
+
+	LLTextureUploadData(LLViewerFetchedTexture* texture, std::string& label)
+		: mTexture(texture), mLabel(label)
+	{
+		mRetries = 0;
+	}
+};
+
+class LLImportMaterial
+{
+public:
+	LLPointer<LLViewerFetchedTexture> mDiffuseMap;
+	std::string mDiffuseMapFilename;
+	std::string mDiffuseMapLabel;
+	LLColor4 mDiffuseColor;
+	bool mFullbright;
+
+	bool operator<(const LLImportMaterial &params) const;
+
+	LLImportMaterial() 
+		: mFullbright(false) 
+	{ 
+		mDiffuseColor.set(1,1,1,1);
+	}
+};
+
+class LLModelInstance 
+{
+public:
+	LLPointer<LLModel> mModel;
+	LLPointer<LLModel> mLOD[5];
+	 
+	LLUUID mMeshID;
+
+	LLMatrix4 mTransform;
+	std::vector<LLImportMaterial> mMaterial;
+
+	LLModelInstance(LLModel* model, LLMatrix4& transform, std::vector<LLImportMaterial>& materials)
+		: mModel(model), mTransform(transform), mMaterial(materials)
+	{
+	}
+};
+
+class LLMeshSkinInfo 
+{
+public:
+	LLUUID mMeshID;
+	std::vector<std::string> mJointNames;
+	std::vector<LLMatrix4> mInvBindMatrix;
+	LLMatrix4 mBindShapeMatrix;
+};
+
+class LLMeshDecomposition
+{
+public:
+	LLMeshDecomposition() { }
+
+	LLUUID mMeshID;
+	LLModel::physics_shape mHull;
+
+	std::vector<LLPointer<LLVertexBuffer> > mMesh;
+};
+
+class LLPhysicsDecomp : public LLThread
+{
+public:
+	LLCondition* mSignal;
+	LLMutex* mMutex;
+	
+	LLCDMeshData mMesh;
+	
+	bool mInited;
+	bool mQuitting;
+	bool mDone;
+
+	S32 mContinue;
+	std::string mStatus;
+
+	std::vector<LLVector3> mPositions;
+	std::vector<U16> mIndices;
+
+	S32 mStage;
+
+	LLPhysicsDecomp();
+	~LLPhysicsDecomp();
+
+	void shutdown();
+	void setStatusMessage(std::string msg);
+	
+	void execute(const char* stage, LLModel* mdl);
+	static S32 llcdCallback(const char*, S32, S32);
+	void cancel();
+
+	virtual void run();
+
+	std::map<std::string, S32> mStageID;
+	LLPointer<LLModel> mModel;
+};
+
+class LLMeshRepoThread : public LLThread
+{
+public:
+
+	static S32 sActiveHeaderRequests;
+	static S32 sActiveLODRequests;
+	static U32 sMaxConcurrentRequests;
+
+	LLCurlRequest* mCurlRequest;
+	LLMutex*	mMutex;
+	LLMutex*	mHeaderMutex;
+	LLCondition* mSignal;
+
+	bool mWaiting;
+
+	//map of known mesh headers
+	typedef std::map<LLUUID, LLSD> mesh_header_map;
+	mesh_header_map mMeshHeader;
+	
+	std::map<LLUUID, U32> mMeshHeaderSize;
+	std::map<LLUUID, U32> mMeshResourceCost;
+
+	class HeaderRequest
+	{ 
+	public:
+		const LLVolumeParams mMeshParams;
+
+		HeaderRequest(const LLVolumeParams&  mesh_params)
+			: mMeshParams(mesh_params)
+		{
+		}
+
+		bool operator<(const HeaderRequest& rhs) const
+		{
+			return mMeshParams < rhs.mMeshParams;
+		}
+	};
+
+	class LODRequest
+	{
+	public:
+		LLVolumeParams  mMeshParams;
+		S32 mLOD;
+		F32 mScore;
+
+		LODRequest(const LLVolumeParams&  mesh_params, S32 lod)
+			: mMeshParams(mesh_params), mLOD(lod), mScore(0.f)
+		{
+		}
+	};
+
+	struct CompareScoreGreater
+	{
+		bool operator()(const LODRequest& lhs, const LODRequest& rhs)
+		{
+			return lhs.mScore > rhs.mScore; // greatest = first
+		}
+	};
+	
+
+	class LoadedMesh
+	{
+	public:
+		LLPointer<LLVolume> mVolume;
+		LLVolumeParams mMeshParams;
+		S32 mLOD;
+
+		LoadedMesh(LLVolume* volume, const LLVolumeParams&  mesh_params, S32 lod)
+			: mVolume(volume), mMeshParams(mesh_params), mLOD(lod)
+		{
+		}
+
+	};
+
+	//set of requested skin info
+	std::set<LLUUID> mSkinRequests;
+	
+	//queue of completed skin info requests
+	std::queue<LLMeshSkinInfo> mSkinInfoQ;
+
+	//set of requested decompositions
+	std::set<LLUUID> mDecompositionRequests;
+	
+	//queue of completed Decomposition info requests
+	std::queue<LLMeshDecomposition*> mDecompositionQ;
+
+	//queue of requested headers
+	std::queue<HeaderRequest> mHeaderReqQ;
+
+	//queue of requested LODs
+	std::queue<LODRequest> mLODReqQ;
+
+	//queue of unavailable LODs (either asset doesn't exist or asset doesn't have desired LOD)
+	std::queue<LODRequest> mUnavailableQ;
+
+	//queue of successfully loaded meshes
+	std::queue<LoadedMesh> mLoadedQ;
+
+	//map of pending header requests and currently desired LODs
+	typedef std::map<LLVolumeParams, std::vector<S32> > pending_lod_map;
+	pending_lod_map mPendingLOD;
+
+	static std::string constructUrl(LLUUID mesh_id);
+
+	LLMeshRepoThread();
+	~LLMeshRepoThread();
+
+	virtual void run();
+
+	void loadMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
+	bool fetchMeshHeader(const LLVolumeParams& mesh_params);
+	bool fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
+	bool headerReceived(const LLVolumeParams& mesh_params, U8* data, S32 data_size);
+	bool lodReceived(const LLVolumeParams& mesh_params, S32 lod, U8* data, S32 data_size);
+	bool skinInfoReceived(const LLUUID& mesh_id, U8* data, S32 data_size);
+	bool decompositionReceived(const LLUUID& mesh_id, U8* data, S32 data_size);
+
+	void notifyLoadedMeshes();
+	S32 getActualMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
+	U32 getResourceCost(const LLUUID& mesh_params);
+
+	void loadMeshSkinInfo(const LLUUID& mesh_id);
+	void loadMeshDecomposition(const LLUUID& mesh_id);
+
+	//send request for skin info, returns true if header info exists 
+	//  (should hold onto mesh_id and try again later if header info does not exist)
+	bool fetchMeshSkinInfo(const LLUUID& mesh_id);
+
+	//send request for decomposition, returns true if header info exists 
+	//  (should hold onto mesh_id and try again later if header info does not exist)
+	bool fetchMeshDecomposition(const LLUUID& mesh_id);
+};
+
+class LLMeshUploadThread : public LLThread 
+{
+public:
+	typedef std::vector<LLModelInstance> instance_list;
+	instance_list mInstanceList;
+
+	typedef std::map<LLPointer<LLModel>, instance_list> instance_map;
+	instance_map mInstance;
+
+	LLMutex*					mMutex;
+	LLCurlRequest* mCurlRequest;
+	S32				mPendingConfirmations;
+	S32				mPendingUploads;
+	S32				mPendingCost;
+	bool			mFinished;
+	LLVector3		mOrigin;
+	bool			mUploadTextures;
+
+	LLHost			mHost;
+	std::string		mUploadObjectAssetCapability;
+	std::string		mNewInventoryCapability;
+
+	std::queue<LLMeshUploadData> mUploadQ;
+	std::queue<LLMeshUploadData> mConfirmedQ;
+	std::queue<LLModelInstance> mInstanceQ;
+
+	std::queue<LLTextureUploadData> mTextureQ;
+	std::queue<LLTextureUploadData> mConfirmedTextureQ;
+
+	std::map<LLPointer<LLViewerFetchedTexture>, LLTextureUploadData> mTextureMap;
+
+	LLMeshUploadThread(instance_list& data, LLVector3& scale, bool upload_textures);
+	~LLMeshUploadThread();
+
+	void uploadTexture(LLTextureUploadData& data);
+	void doUploadTexture(LLTextureUploadData& data);
+	void sendCostRequest(LLTextureUploadData& data);
+	void priceResult(LLTextureUploadData& data, const LLSD& content);
+	void onTextureUploaded(LLTextureUploadData& data);
+
+	void uploadModel(LLMeshUploadData& data);
+	void sendCostRequest(LLMeshUploadData& data);
+	void doUploadModel(LLMeshUploadData& data);
+	void onModelUploaded(LLMeshUploadData& data);
+	void createObjects(LLMeshUploadData& data);
+	LLSD createObject(LLModelInstance& instance);
+	void priceResult(LLMeshUploadData& data, const LLSD& content);
+
+	bool finished() { return mFinished; }
+	virtual void run();
+	
+};
+
+class LLMeshRepository
+{
+public:
+
+	//metrics
+	static U32 sBytesReceived;
+	static U32 sHTTPRequestCount;
+	static U32 sHTTPRetryCount;
+	static U32 sCacheBytesRead;
+	static U32 sCacheBytesWritten;
+	static U32 sPeakKbps;
+	
+
+	LLMeshRepository();
+
+	void init();
+	void shutdown();
+
+	//mesh management functions
+	S32 loadMesh(LLVOVolume* volume, const LLVolumeParams& mesh_params, S32 detail = 0);
+	
+	void notifyLoadedMeshes();
+	void notifyMeshLoaded(const LLVolumeParams& mesh_params, LLVolume* volume);
+	void notifyMeshUnavailable(const LLVolumeParams& mesh_params, S32 lod);
+	void notifySkinInfoReceived(LLMeshSkinInfo& info);
+	void notifyDecompositionReceived(LLMeshDecomposition* info);
+
+	S32 getActualMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
+	U32 calcResourceCost(LLSD& header);
+	U32 getResourceCost(const LLUUID& mesh_params);
+	const LLMeshSkinInfo* getSkinInfo(const LLUUID& mesh_id);
+	const LLMeshDecomposition* getDecomposition(const LLUUID& mesh_id);
+
+	void uploadModel(std::vector<LLModelInstance>& data, LLVector3& scale, bool upload_textures);
+
+	
+
+
+	typedef std::map<LLVolumeParams, std::set<LLUUID> > mesh_load_map;
+	mesh_load_map mLoadingMeshes[4];
+	
+	typedef std::map<LLUUID, LLMeshSkinInfo> skin_map;
+	skin_map mSkinMap;
+
+	typedef std::map<LLUUID, LLMeshDecomposition*> decomposition_map;
+	decomposition_map mDecompositionMap;
+
+	LLMutex*					mMeshMutex;
+	
+	std::vector<LLMeshRepoThread::LODRequest> mPendingRequests;
+	
+	//list of mesh ids awaiting skin info
+	std::set<LLUUID> mLoadingSkins;
+
+	//list of mesh ids that need to send skin info fetch requests
+	std::queue<LLUUID> mPendingSkinRequests;
+
+	//list of mesh ids awaiting decompositions
+	std::set<LLUUID> mLoadingDecompositions;
+
+	//list of mesh ids that need to send decomposition fetch requests
+	std::queue<LLUUID> mPendingDecompositionRequests;
+	
+	U32 mMeshThreadCount;
+
+	void cacheOutgoingMesh(LLMeshUploadData& data, LLSD& header);
+	
+	LLMeshRepoThread* mThread;
+	std::vector<LLMeshUploadThread*> mUploads;
+
+	LLPhysicsDecomp* mDecompThread;
+	
+	class inventory_data
+	{
+	public:
+		LLSD mPostData;
+		LLSD mResponse;
+
+		inventory_data(const LLSD& data, const LLSD& content)
+			: mPostData(data), mResponse(content)
+		{
+		}
+	};
+
+	std::queue<inventory_data> mInventoryQ;
+
+	std::queue<LLSD> mUploadErrorQ;
+
+	void uploadError(LLSD& args);
+	void updateInventory(inventory_data data);
+
+};
+
+extern LLMeshRepository gMeshRepo;
+
+#endif
+
+#endif
+