support getUniformBlockIndex

[lmj01]

now three.js support webgl2, so hava any plane to implementation the interface of the webgl2 in task?

[Mugen87]

WebGL2RenderingContext.getUniformBlockIndex() is used in context of Uniform Buffer Objects (UBO). There is already an issue that tracks UBOs in context of three.js, see #13700. Hence, I suggest to mark this issue as a duplicate and close it.

[Mugen87]

Notice #15562