Varjo is a Lisp to GLSL compiler.

Varjo has no OpenGL dependency as is designed to be integrated into other projects, see CEPL for an example.

Subset of common lisp. Including:

Macros
defmacro, define-compiler-macro, macrolet, symbol-macrolet all supported
&environment supported (currently custom API for introspection but cltl2 API planned)
Multiple-value return via values & multiple-value-bind
local functions via labels
defstruct which can be used across multiple shaders (Less repeated code)
limited first-class function support (Functions have to be statically resolved to avoid runtime conditionals)
inline GLSL expressions
WIP for declare and extensible declaration identifiers
Type checking in and across shader stages
Rolling translate, where out vars from one stage can be automatically fed into the next
Easy to extend (API still in progress)

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