[pjmlp]

Get some shader programming books like

https://developer.nvidia.com/gpugems/gpugems/contributors

The Cg book although outdated provides good information about shaders,

https://developer.download.nvidia.com/CgTutorial/cg_tutorial...

[creamynebula]

Is this possible if I have only an integrated graphics card?

[pjmlp]

Sure, unless you are having something older than 10 years or so.

You can use something like GLView to see what the card is capable of,

https://www.realtech-vr.com/home/glview

And in what concerns WebGL, https://webglreport.com/