Expand on the spec draft

immersive-web / raw-camera-access

Spec draft: https://immersive-web.github.io/raw-camera-access/. Repository for experimentation around exposing raw camera access through WebXR Device API. Feature leads: Piotr Bialecki, Alex Turner, Nicholas Butko

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Expand on the spec draft #4

Closed bialpio closed 3 years ago

bialpio commented 3 years ago

Also adds intrinsics computation to the explainer and Security & Privacy questionnaire.

2 open issues inline in the spec:

Should we specify more information about the returned WebGLTexture? E.g.: is color-renderable, what is the texture format, etc.
Do we want to allow the texture to be "uncropped", i.e. enlarged and filled with transparent texels in areas that would not contain the data coming from the camera?

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bialpio commented 3 years ago

@klausw - I've grabbed your method of computation of camera intrinsics and added a bit more text around it. I've also introduced an intermediate step when expanding K w/ a placeholder row & inverting Z coordinate (K -(expand)-> Kexp -(invert Z)-> K') - it was necessary to ensure the matrix dimensions are compatible for the multiplication.

@toji, @klausw - please also take a look at the specification and let me know what you think! I'd also appreciate your input on the 2 open issues that I have mentioned above.

toji commented 3 years ago

Apologies for not reviewing this prior to merge, but wanted to say that this looks great! Thanks for putting so much effort into the spec!