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The next commit will use this in add_shader_variable - this just separates out some of the mechanical changes for easier review. Cc: mesa-stable@lists.freedesktop.org Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com> Reviewed-by: Tapani Pälli <tapani.palli@intel.com>