VertShader.jl

#Example for creating a Vertexshader

glslTypeConversion = [
:Vector2 => "vec2",
:Vector3 => "vec3",
:Vector4 => "vec4",
:Float32 => "float"
]
function toVertShader(vertShader::Dict{String, Any})
	globals = ASCIIString[] 
	main 	= ASCIIString[]
	for elem in vertShader
		toVertShader(elem..., globals, main)
	end
	push!(globals, "void main(){")
	return join([globals, main, "}"], '\n')
end
function toVertShader(attribute::String, buffer::GLBuffer, globals::Array{String, 1}, main::Array{String, 1})
	push!(globals, "varying " * glslTypeConversion[buffer.elementType] * " " * attribute * ";")
end
function toVertShader(attribute::String, cam::Camera, globals::Array{String, 1}, main::Array{String, 1})
	push!(globals, "uniform mat4 " * attribute * ";")
end
function toVertShader(attribute::String, func::(Function, Tuple), globals::Array{String, 1}, main::Array{String, 1})
	push!(globals, "varying " * glslTypeConversion[getFuncReturnType(func[1])] * " " * attribute * ";")
	push!(main, attribute * " = "  * toVertShader(func) * ";")
end 
function toVertShader(func::(Function, Tuple))
	AST = code_typed(func...)
	for elem in AST
		toVertShader(elem)
	end
end
function toVertShader(expr::Expr)
	#... Some nasty AST parsing. Basically convert all the types and recursively inserting all called Julia functions
end