Upgraded original RothenburgAR to Unity version 2017.4.5f1 (and upgrading from standalone vuforia to the version integrated in unity)

Assets/Vuforia/Shaders/BrightTexture.shader

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+//==============================================================================
+//Copyright (c) 2013-2014 Qualcomm Connected Experiences, Inc.
+//All Rights Reserved.
+//==============================================================================
+
+Shader "Custom/BrightTexture" {
+    Properties {
+        _MainTex ("Base (RGB)", 2D) = "white" {}
+    }
+    SubShader {
+
+    Pass{
+
+        CGPROGRAM
+
+        #pragma vertex vert
+        #pragma fragment frag
+
+        #include "UnityCG.cginc"
+
+        sampler2D _MainTex;
+
+        struct v2f {
+            float4  pos : SV_POSITION;
+            float2  uv : TEXCOORD0;
+        };
+
+        float4 _MainTex_ST;
+
+        v2f vert (appdata_base v)
+        {
+            v2f o;
+            o.pos = UnityObjectToClipPos (v.vertex);
+            o.uv = TRANSFORM_TEX(v.texcoord, _MainTex);
+            return o;
+        }
+
+        
+        half4 frag(v2f i) : COLOR
+        {
+            half4 c = tex2D (_MainTex, i.uv);
+
+            float scale = 0.2f;
+            c.rgb = c.rgb * scale + 1.0f - scale;
+
+            return c;
+        }
+
+        ENDCG
+    }
+    }
+
+
+
+     
+    FallBack "Diffuse"
+}

Assets/Vuforia/Shaders/BrightTexture.shader.meta

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+fileFormatVersion: 2
+guid: 7e6d3c0df88f3ab458512f8282e449af

Assets/Vuforia/Shaders/CameraDiffuse.shader

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+//========================================================================
+// Copyright (c) 2017 PTC Inc. All Rights Reserved.
+//
+// Vuforia is a trademark of PTC Inc., registered in the United States and other
+// countries.
+//=========================================================================
+
+Shader "Custom/CameraDiffuse"
+{   
+    Properties 
+    {
+        _MaterialColor ("Color", Color) = (1,1,1,1)
+    }
+
+    CGINCLUDE
+
+    uniform float4 _MaterialColor;
+
+    ENDCG
+
+    SubShader
+    {
+        Pass
+        {
+            // indicate that our pass is the "base" pass in forward
+            // rendering pipeline. It gets ambient and main directional
+            // light data set up; light direction in _WorldSpaceLightPos0
+            // and color in _LightColor0
+            Tags {"LightMode"="ForwardBase"}
+
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #include "UnityCG.cginc" // for UnityObjectToWorldNormal
+            #include "UnityLightingCommon.cginc" // for _LightColor0
+
+            struct v2f
+            {
+                fixed4 diff : COLOR0; // diffuse lighting color
+                float4 vertex : SV_POSITION;
+            };
+
+            v2f vert (appdata_base v)
+            {
+                v2f o;
+                o.vertex = UnityObjectToClipPos(v.vertex);
+
+
+                // get vertex normal in world space
+                half3 worldNormal = UnityObjectToWorldNormal(v.normal);
+                
+                float3 worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
+                // compute world space view direction
+                float3 worldViewDir = normalize(UnityWorldSpaceViewDir(worldPos));
+                // dot product between normal and light direction for
+                // standard diffuse (Lambert) lighting
+                half nl = max(0, dot(worldNormal, worldViewDir));
+                
+                // factor in the material color
+                o.diff = lerp(_MaterialColor, nl * _MaterialColor, 0.2);
+                return o;
+            }
+            
+            fixed4 frag (v2f i) : SV_Target
+            {
+                return i.diff;
+            }
+            ENDCG
+        }
+    }
+}

Assets/Vuforia/Shaders/CameraDiffuse.shader.meta

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+fileFormatVersion: 2
+guid: 1a890b01c666b2a4dbdfe1eb6a476078
+timeCreated: 1496997307
+licenseType: Pro
+ShaderImporter:
+  defaultTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Vuforia/Shaders/ColoredLines.shader

@@ -0,0 +1,22 @@
+//===============================================================================
+//Copyright (c) 2015-2016 PTC Inc. All Rights Reserved.
+//
+//Confidential and Proprietary - Protected under copyright and other laws.
+//Vuforia is a trademark of PTC Inc., registered in the United States and other
+//countries.
+//===============================================================================
+
+Shader "Custom/ColoredLines" {
+    Properties {
+        _Color ("Main Color", Color) = (1,1,1,1)
+    }
+    
+    SubShader {
+        Pass { 
+            Lighting Off
+            Cull Off
+            Blend SrcAlpha OneMinusSrcAlpha
+            Color [_Color]
+        }
+    } 
+}

Assets/Vuforia/Shaders/ColoredLines.shader.meta

@@ -0,0 +1,5 @@
+fileFormatVersion: 2
+guid: c3430c603e3a4f54c86671122d3dfa1c
+ShaderImporter:
+  defaultTextures: []
+  userData: 

Assets/Vuforia/Shaders/DepthContour.shader

@@ -0,0 +1,78 @@
+/*========================================================================
+Copyright (c) 2017 PTC Inc. All Rights Reserved.
+
+Vuforia is a trademark of PTC Inc., registered in the United States and other
+countries.
+=========================================================================*/
+Shader "Custom/DepthContour" {
+    Properties{
+        _ContourColor("Contour Color", Color) = (1,1,1,1)
+        _SurfaceColor("Surface Color", Color) = (0.5,0.5,0.5,1)
+        _DepthThreshold("Depth Threshold", Float) = 0.002
+    }
+
+    SubShader {
+        Tags { "Queue" = "Geometry" "RenderType" = "Transparent" }
+
+        Pass {
+            Cull Back
+            Blend SrcAlpha OneMinusSrcAlpha
+
+            CGPROGRAM
+            #pragma vertex vert
+            #pragma fragment frag
+            #include "UnityCG.cginc"
+
+            uniform sampler2D _CameraDepthTexture;
+            uniform float4 _ContourColor;
+            uniform float4 _SurfaceColor;
+            uniform float _DepthThreshold;
+
+            struct v2f {
+                float4 pos : SV_POSITION;
+                float4 screenPos : TEXCOORD0;
+                float depth : TEXCOORD1;
+            };
+
+            v2f vert(appdata_base v) 
+            {
+                v2f o;
+                o.pos = UnityObjectToClipPos(v.vertex);
+                o.screenPos = ComputeScreenPos(o.pos);
+                
+                COMPUTE_EYEDEPTH(o.depth);
+                o.depth = (o.depth - _ProjectionParams.y) / (_ProjectionParams.z - _ProjectionParams.y);
+                return o;
+            }
+
+            half4 frag(v2f i) : COLOR 
+            {
+                float2 uv = i.screenPos.xy / i.screenPos.w;
+                float du = 1.0 / _ScreenParams.x;
+                float dv = 1.0 / _ScreenParams.y;
+                float2 uv_X1 = uv + float2(du, 0.0);
+                float2 uv_Y1 = uv + float2(0.0, dv);
+                float2 uv_X2 = uv + float2(-du, 0.0);
+                float2 uv_Y2 = uv + float2(0.0, -dv);
+
+                float depth0 = Linear01Depth(UNITY_SAMPLE_DEPTH(tex2D(_CameraDepthTexture, uv)));
+                float depthX1 = Linear01Depth(UNITY_SAMPLE_DEPTH(tex2D(_CameraDepthTexture, uv_X1)));
+                float depthY1 = Linear01Depth(UNITY_SAMPLE_DEPTH(tex2D(_CameraDepthTexture, uv_Y1)));
+                float depthX2 = Linear01Depth(UNITY_SAMPLE_DEPTH(tex2D(_CameraDepthTexture, uv_X2)));
+                float depthY2 = Linear01Depth(UNITY_SAMPLE_DEPTH(tex2D(_CameraDepthTexture, uv_Y2)));
+
+                float farDist = _ProjectionParams.z;
+                float refDepthStep = _DepthThreshold / farDist;
+                float depthStepX = max(abs(depth0 - depthX1), abs(depth0 - depthX2));
+                float depthStepY = max(abs(depth0 - depthY1), abs(depth0 - depthY2));
+                float maxDepthStep = length(float2(depthStepX, depthStepY));
+                half contour = (maxDepthStep > refDepthStep) ? 1.0 : 0.0;
+                return _SurfaceColor * (1.0 - contour) + _ContourColor * contour;
+            }
+
+            ENDCG
+        }
+    }
+
+    Fallback "Diffuse"
+}

Assets/Vuforia/Shaders/DepthContour.shader.meta

@@ -0,0 +1,10 @@
+fileFormatVersion: 2
+guid: c1ded68d068051d4f92650fcddaae5c7
+timeCreated: 1510068460
+licenseType: Pro
+ShaderImporter:
+  externalObjects: {}
+  defaultTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Vuforia/Shaders/DepthMask.shader

@@ -0,0 +1,43 @@
+//===============================================================================
+//Copyright (c) 2015 PTC Inc. All Rights Reserved.
+//
+//Confidential and Proprietary - Protected under copyright and other laws.
+//Vuforia is a trademark of PTC Inc., registered in the United States and other
+//countries.
+//===============================================================================
+//===============================================================================
+//Copyright (c) 2010-2014 Qualcomm Connected Experiences, Inc.
+//All Rights Reserved.
+//Confidential and Proprietary - Qualcomm Connected Experiences, Inc.
+//===============================================================================
+
+Shader "DepthMask" {
+   
+    SubShader {
+        // Render the mask after regular geometry, but before masked geometry and
+        // transparent things.
+       
+        Tags {"Queue" = "Geometry-10" }
+       
+        // Turn off lighting, because it's expensive and the thing is supposed to be
+        // invisible anyway.
+       
+        Lighting Off
+
+        // Draw into the depth buffer in the usual way.  This is probably the default,
+        // but it doesn't hurt to be explicit.
+
+        ZTest LEqual
+        ZWrite On
+
+        // Don't draw anything into the RGBA channels. This is an undocumented
+        // argument to ColorMask which lets us avoid writing to anything except
+        // the depth buffer.
+
+        ColorMask 0
+
+        // Do nothing specific in the pass:
+
+        Pass {}
+    }
+}

Assets/Vuforia/Shaders/DepthMask.shader.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 1
+guid: 1ce7eb78425fb1540838bc9d5d95857a

Assets/Vuforia/Shaders/OutlineOpaque.shader

@@ -0,0 +1,86 @@
+//===============================================================================
+//Copyright (c) 2017 PTC Inc. All Rights Reserved.
+//
+//Confidential and Proprietary - Protected under copyright and other laws.
+//Vuforia is a trademark of PTC Inc., registered in the United States and other
+//countries.
+//===============================================================================
+//==============================================================================
+//Copyright (c) 2013-2014 Qualcomm Connected Experiences, Inc.
+//All Rights Reserved.
+//==============================================================================
+
+Shader "Custom/OutlineOpaque" 
+{
+	Properties 
+	{
+		_SilhouetteSize ("Size", Float) = 0.0
+		_SilhouetteColor ("Color", Color) = (1,1,1,1)
+	}
+	
+	CGINCLUDE
+	#include "UnityCG.cginc"
+
+	struct v2f 
+	{
+		float4 position : POSITION;
+		float4 color : COLOR;
+	};
+
+	struct vertIn 
+	{
+		float4 position : POSITION;
+		float3 normal : NORMAL;
+	};
+
+	uniform float _SilhouetteSize;
+	uniform float4 _SilhouetteColor;
+	
+	ENDCG
+
+	SubShader 
+	{
+		Tags { "Queue" = "Geometry" }
+		
+		Pass 
+		{ 
+			Cull Back
+			Blend Zero One
+		}
+		
+		Pass 
+		{
+			Cull Front
+
+			CGPROGRAM
+			#pragma vertex vert
+			#pragma fragment frag
+
+			v2f vert(vertIn input) 
+			{
+				v2f output;
+				// unmodified projected position of the vertex
+				output.position = UnityObjectToClipPos(input.position);
+				output.color = _SilhouetteColor;
+
+				// calculate silhouette in image space
+				float2 silhouette   = TransformViewToProjection(mul((float3x3)UNITY_MATRIX_IT_MV, input.normal).xy) * _SilhouetteSize;
+
+				// add silhouette offset
+				output.position.xy += output.position.z *  silhouette;
+				
+				return output;
+			}
+
+			half4 frag(v2f input) :COLOR 
+			{
+				return input.color;
+			}
+			ENDCG
+		}
+
+
+	}
+	
+	Fallback "Diffuse"
+}

Assets/Vuforia/Shaders/OutlineOpaque.shader.meta

@@ -0,0 +1,9 @@
+fileFormatVersion: 2
+guid: a81568144a775094bb6b92c7df9fcebe
+timeCreated: 1484752106
+licenseType: Pro
+ShaderImporter:
+  defaultTextures: []
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Vuforia/Shaders/Text3D.shader

@@ -0,0 +1,26 @@
+//========================================================================
+//Copyright (c) 2013-2014 Qualcomm Connected Experiences, Inc.
+//All Rights Reserved.
+//Confidential and Proprietary - Protected under copyright and other laws.
+//========================================================================
+
+Shader "Custom/Text3D" {
+    Properties {
+        _MainTex ("Base (RGB)", 2D) = "white" {}
+        _Color ("Text Color", Color) = (1,1,1,1)
+    }
+
+    SubShader {
+        Tags { "Queue"="Geometry+1" "IgnoreProjector"="True" }
+        Lighting Off Offset -1, -1 ZTest LEqual ZWrite On Fog { Mode Off }
+        Blend SrcAlpha OneMinusSrcAlpha
+        Pass {
+            Color [_Color]
+            SetTexture [_MainTex] {
+                combine primary, texture * primary
+            }
+        }
+    }
+
+
+}

Assets/Vuforia/Shaders/Text3D.shader.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 1291d28f0c885a84d8c9a67bc6ca0c82

Assets/Vuforia/Shaders/VertexLitWithZ.shader

@@ -0,0 +1,33 @@
+//==============================================================================
+//Copyright (c) 2013-2014 Qualcomm Connected Experiences, Inc.
+//All Rights Reserved.
+//==============================================================================
+
+Shader "Transparent/VertexLit with Z" {
+Properties {
+    _Color ("Main Color", Color) = (1,1,1,1)
+    _MainTex ("Base (RGB) Trans (A)", 2D) = "white" {}
+}
+ 
+SubShader {
+    Tags {"RenderType"="Transparent" "Queue"="Transparent"}
+    // Render into depth buffer only
+    Pass {
+        ColorMask 0
+    }
+    // Render normally
+    Pass {
+        ZWrite On
+        Blend SrcAlpha OneMinusSrcAlpha
+        ColorMask RGB
+        Material {
+            Diffuse [_Color]
+            Ambient [_Color]
+        }
+        Lighting On
+        SetTexture [_MainTex] {
+            Combine texture * primary DOUBLE, texture * primary
+        } 
+    }
+}
+}

Assets/Vuforia/Shaders/VertexLitWithZ.shader.meta

@@ -0,0 +1,4 @@
+fileFormatVersion: 2
+guid: c158ceb104c238944a4daf52327953f9
+ShaderImporter:
+  userData: