toc:
  - Surface
  - Node
  - Shaders
  - LinearCopy
  - NearestCopy
  - Bus
  - connectSize
  - GLSL
  - GLSLCode
  - ShadersDefinition
  - ShaderDefinition
  - ShadersSheet
  - ShaderIdentifier
  - Uniforms
  - TextureOptions
  - Interpolation
  - WrapMode
  - BlendFuncSrcDst
  - BlendFunc
  - Clear
  - Vec4
  - NDArray