Is there a limit of vertices in WebGL? 웹지엘의 제약사항

Is there a limit of vertices in WebGL?

Q : Three.js says that can't be loaded more than 65k vertices. In my pure webgl application, it doesn't say anything, but it doesn't show the entire object when I try big objects.

I am figuring out in split my objects to put in smaller buffers, but it would make me sad. Is there any better solution? Is 65k really the limit amount of vertices?

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A: Yes, WebGL's vertex index buffers are limited to 16-bit right now. This is because they're aiming to make version 1.0 as cross-platform as possible, so there's a tendency to make stuff target the lowest common denominator -- in cases like this, mobile platforms with limited graphics hardware.

Once 1.0 is out and the initial rush is over, they're likely to loosen these constraints with the help of extensions -- an app will be able to ask whether a given extension is supported by the implementation, and make use of it if it is -- just like in regular desktop OpenGL. There are already a few extensions available, but again they've only allowed ones with very broad hardware support, so nothing that would help you increase your vertex count. However, once they loosen the cross-platform requirement, they are likely to support something like the GL_OES_element_index_uint extension that allows 32-bit vertex indices.

You can read some discussion of these issues on the Public WebGL mailing list.

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[출처] https://stackoverflow.com/questions/4998278/is-there-a-limit-of-vertices-in-webgl