Based on the information you are providing here, no permanent residence in Texas, but your permanent address and ID are in NM, you would need to file a full year resident return for NM.
Being away in Texas is a temporary absence. This means, you still only have on home state. If you were working in a state other than Texas, that had income taxes, then you would have to file a non resident return for that state and a resident return for NM. But since Texas does not have income tax, you will only need to file a NM resident return which will include all of your income from all sources.
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