core :: Sys :: glGetFloatv
pname at offset
# Get the value of the parameter `pname` at `offset`
fun glGetFloatv(pname: GLGetParameterName, offset: Int): Float `{
	GLfloat v[4];
	glGetFloatv(pname, v);
	return v[offset];
`}
					lib/glesv2/glesv2.nit:1300,1--1305,2