added a render style for pick scene

fixed signed vs unsigned nonsense in gl::Compiler::idFromColor

added some meta stuff, simplified quadrilateral splitting and tested it

finished splitQuadrilateral theoretically (untested)

document AbstractBasicShaderProgram

negative axes are now drawn in darker color

ldraw::Id is now templated for extra type safety

stretch the grid quadrilateral less, hopefully this makes fragments small enough even on integrated

show axis directions on the screen

Added axes rendering

begin work on axes program

default to XZ

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mercurial