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Black screen problem (unity + vuforia + ios device + vuforia vid

April 28, 2016 - 5:12am #1

Hi, 

I am trying to test cardboard ar/vr sample, other platforms seems ok but not ios, following is config detail :

 

1) Unity 5.3.4f1

2) Vuforia 5.5.9

3) Xcode 7.3

4) iPod Touch 5 (ios 9.3.1) and others

5) ARCamera > Digital Eyewear Behaviour ( Video See-Through, Vuforia, Generic Cardboard )

6) Log :

// ......

viewerParameters_delete

cameraDeviceGetVideoMode

cameraDeviceGetVideoMode

cameraDeviceGetCameraFieldOfViewRads

cameraDeviceGetVideoMode

RenderTexture.Create failed: width & height must be larger than 0

 

(Filename:  Line: 259)

 

RenderTexture.Create failed: width & height must be larger than 0

 

(Filename:  Line: 259)

7) RenderTexture.Create failed location

BaseStereoViewerCameraConfiguration_ConfigureVideoBackground_m1977076917 > Action_Invoke_m1445970038 (get_mOnVideoBackgroundConfigChanged_2)

 

Does anybody has this kind of issue?

Thanks

Black screen problem (unity + vuforia + ios device + vuforia vid

May 18, 2016 - 11:44am #3

Correct, Vuforia 5.5.9 supports iOS 8 and above;  in particular, iOS 8 is generally required for the Metal Graphics API.

 

I've also tested the ARVR Unity sample (in Stereo mode) with the following combo:

1) Unity 5.3.4f1 and Unity 5.3.4p6

2) Vuforia 5.5.9

3) Xcode 7.3.1

4) iPhone 5S on iOS 9.3.1

5) ARCamera > Digital Eyewear Behaviour ( Video See-Through, Vuforia, Generic Cardboard )

 

I did not observe any issue, the app did run fine.

Black screen problem (unity + vuforia + ios device + vuforia vid

May 16, 2016 - 1:43am #2

Hi. I am having the exact same problem.

Does anybody have informations about this?

It works on iPhone5 iOS 9.0, but not on iOS 7.1.2.

 

Sorry, I just noticed that Vuforia only supports iOS 8+.

https://developer.vuforia.com/library/articles/Solution/Vuforia-Supported-Versions

 

Log:

device_SetMode

device_SelectViewer

ARVRProject[1692:60b] ERROR/AR(1692)

Error: Cannot select a different viewer when a viewer is already active

RenderTexture.Create failed: width & height must be larger than 0

(Filename:  Line: 259)

 

cameraDeviceGetVideoMode

cameraDeviceGetCameraFieldOfViewRads

cameraDeviceGetVideoMode

RenderTexture.Create failed: width & height must be larger than 0

Vuforia.DistortionRenderingBehaviour:OnVideoBackgroundConfigChanged()

Vuforia.VuforiaAbstractBehaviour:OnVideoBackgroundConfigChanged()

Vuforia.BaseStereoViewerCameraConfiguration:ConfigureVideoBackground()

Vuforia.BaseStereoViewerCameraConfiguration:CheckForSurfaceChanges(ScreenOrientation&)

Vuforia.VuforiaAbstractBehaviour:UpdateStatePrivate(Boolean, Boolean)

[ line 259] 

(Filename:  Line: 259)

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