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[Public WebGL] GLSL bitCount, bitfieldExtract, etc?


I just checked the WebGL 2[1] and GLSL ES 3[2] specs and can't find any mention of glsl functions such as bitCount, bitfieldExctract, etc. (see OpenGL 4.3 API Reference Card [3])
They are probably not widely used glsl features but is there any chance to expose those functions to WebGL?
Right now I've implemented bitCount through arithmetic means but it's a lot slower than the bitCount function.


[1] https://www.khronos.org/registry/webgl/specs/latest/2.0/#4.3
[2] https://www.khronos.org/registry/gles/specs/3.0/GLSL_ES_Specification_3.00.3.pdf

[3] https://www.khronos.org/files/opengl43-quick-reference-card.pdf

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