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c-smile
on Feb 10, 2018
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Feasibility of low-level GPU access on the Web
Composite operations (
https://developer.mozilla.org/en-US/docs/Web/API/CanvasRende...
) are achievable only on bitmap/frame buffers. And OpenGL's frame buffers are not famous for their performance.
tlb
on Feb 11, 2018
[–]
I was referring to compositing the DOM objects onto the screen, which is GPU-accelerated in most cases.
The internal canvas compositing operations you mention are also GPU-accelerated in most cases.
kg
on Feb 11, 2018
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[–]
Last I checked, many browser vendors only GPU accelerate specific blend modes. If you do anything fancy your canvas ops silently drop to software.
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