>> WEBGL_security_sensitive_resources - This is a very ambitious extension.
>> While the functionality is desirable, it's hard to implement and could hurt
>> performance in a major way in some cases. For example delta color
>> compression in NVIDIA GPUs would likely have to be disabled due to the
>> timing requirements. So I don't honestly see this being worth the effort,
>> though maybe others disagree.
> Proposing to reject this extension, any objections?
Yes, I would like to continue to work on this extension. There is high
demand for some way to upload cross-origin data into WebGL textures,
and this proposal is the closest to something workable. Note that the
required analysis has already been implemented in ANGLE's shader