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Gregg Tavares 2019-01-15 17:52:06 +09:00
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@ -115,6 +115,13 @@ to make each of the canvases use a `Canvas2DRendernigContext` and call `drawImag
That could be solved maybe with `OffscreenCanvas` and `ImageBitmapRenderingContext`
but those features haven't shipped without a flag as of 2018-06-05.
It could also be solved using the techiques used in [this sample](http://twgljs.org/examples/itemlist.html)
Basically put the canvas of the shared GL context full window size in the background and instead
of compositing by copying to a 2D canvas, composite by setting the viewport/scissor and render to
the shared GL context's canvas. The limitation of course is that the result won't appear in front
of other elements but usually that's ok.
## License
MIT (see top of js file)