I did buy it from steam
It is early access but works pretty good and have support for the latest GLSL and HLSL shader models. Feature list:
- You see the result of your coding directly in the IDE.
- Easy to use node-based render pipeline.
- Multi-Platform support (soon).
- Code editor for HLSL and GLSL with syntax highlighting.
- Share your shaders with others on Steam
- Create presets for specific shade