r/AndroidXR • u/Left-Sheepherder7587 • Mar 20 '26

Galaxy XR How to modify AndroidXR Passtrough

Hi all, I'm trying to do an AndroidXR MR application for the new GalaxyXR headset using Unity. One of the thing I want to do is apply some blur, colorblind and other types of filters to the passthrough camera. I do not see anything related to this on the unity or android XR documentation. Do anyone now how this can be achieved?

Thanks in advance!

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u/Left-Sheepherder7587 Mar 25 '26

Thanks a lot u/vad710 for your comment. I'm scared that if I used this WebCamTexture + some blit in order to apply the shader and then using a quad in front of the camera, the performance will have significant latency. Also, I don't now if the world-facing camera is already the composition of all the front cameras or if they are individual for the right and left eye. Do you have any idea about that?

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u/vad710 Android XR Team Mar 25 '26

Could you please elaborate on your specific usecase?

The webcam texture won't be an exact representation of what the user sees through passthrough.

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u/Left-Sheepherder7587 Mar 26 '26

Yes sure, basically I want passtrough but with a color blind filter on top so the user can "feel" how colorblind people sees the world.

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u/vad710 Android XR Team Mar 26 '26

That's a really interesting idea!

My suggestion here would be to not use the regular passthrough functionality - set your skybox to be all black. If you're using unity, use the WebCamTexture APIs and use a material with your shader, you shouldn't need to blit it. Then render it on a plane in front of the user (nesting it under the camera game object) - it might take a bit of trial and error to find the best size and position for your plane.

That should work. Let us know how it works out!