| Xambientocclusion | Ambient occlusion. |
| Xbase | Shader base. |
| Xbitmap | Bitmap. |
| Xbrick | Brick. |
| Xchanlum | Chanlum. |
| Xcheckerboard | Checkerboard. |
| Xcloud | Cloud. |
| Xcolor | Color. |
| Xcolorizer | Colorizer. |
| Xcolorstripes | Color stripes. |
| Xcyclone | Cyclone. |
| Xdistorter | Distorter. |
| Xearth | Earth. |
| Xfalloff | Falloff. |
| Xfilter | Filter. |
| Xfire | Fire. |
| Xflame | Flame. |
| Xfresnel | Fresnel. |
| Xfusion | Fusion. |
| Xgalaxy | Galaxy. |
| Xgradient | Gradient. |
| Xlayer | Layer. |
| Xlumas | Lumas. |
| Xmarble | Marble. |
| Xmetal | Metal. |
| Xmosaic | Pixelate. |
| Xnoise | Noise. |
| Xnormaldirection | Normal direction. |
| Xnormalizer | Normalizer. |
| Xplanet | Planet. |
| Xposterizer | Posterizer. |
| Xprojector | Projector. |
| Xproximal | Proximal. |
| Xrainsampler | Rain sampler. |
| Xripple | Ripple. |
| Xrust | Rust. |
| Xsimplenoise | Simple noise. |
| Xsimpleturbulence | Simple turbulence. |
| Xspectral | Spectral. |
| Xspline | Spline. |
| Xsss | SSS. |
| Xstar | Star. |
| Xstarfield | Star field. |
| Xsunburst | Sun burst. |
| Xterrainmask | Terrain mask. |
| Xtiles | Tiles. |
| Xtranslucency | Translucency. |
| Xvenus | Venus. |
| Xvertexmap | Vertex map. |
| Xwater | Water. |
| Xwood | Wood. |
| Xxmbsubsurface | Subsurface scattering. |
| Xformula |
New in version R17. Formula. |
| Xvariation |
New in version R17. Variation. |
