WebGL warnings in Firefox

[raaaahman]

Hello, thank you for this helpful library.

I noticed some WebGL warnings when running it in Firefox (version 117.0.1, Linux 64 bits), but not on Chromium (version 116.0.5845.187, Linux 64 bits). Here's the list:

WebGL warning: texImage: Alpha-premult and y-flip are deprecated for non-DOM-Element uploads.
WebGL warning: drawArraysInstanced: Drawing without vertex attrib 0 array enabled forces the browser to do expensive emulation work when running on desktop OpenGL platforms, for example on Mac. It is preferable to always draw with vertex attrib 0 array enabled, by using bindAttribLocation to bind some always-used attribute to location 0.
WebGL warning: enableVertexAttribArray: -1 is not a valid index. This value probably comes from a getAttribLocation() call, where this return value -1 means that the passed name didn't correspond to an active attribute in the specified program.
WebGL warning: vertexAttribI?Pointer: index (4294967295) must be < MAX_VERTEX_ATTRIBS.
WebGL warning: texImage: Alpha-premult and y-flip are deprecated for non-DOM-Element uploads.

I can see the same warnings on the example page: http://patriciogonzalezvivo.github.io/glslCanvas/

Should this be solved in the library or in each project? Is it a big issue at all?

Many thanks!