Supported nodes

Input:

Input (special node, does not correspond to an SVG element);
Flood (<feFlood>);
Image (<feImage>);
Turbulance (<feTurbulence>).

Lighting

Diffuse lighting (<feDiffuseLighting>);
Specular lighting (<feSpecularLighting>).

Geometry manipulation

Offset (<feOffset>);
Convolve matrix (<feConvolveMatrix>);
Displacement map (<feDisplacementMap>);
Gaussian blur (<feGaussianBlur>);
Morphology (<feMorphology>).

Combining

Blend (<feBlend>);
Composite (<feComposite>);
Merge (<feMerge>).

Color manipulation

Color matrix (<feColorMatrix>);
Component transfer (<feComponentTransfer>).