You do not need a birth certificate to get a driver's license in Texas:
From Texas Department of Public Safety:
Moving to Texas?
Updated 09/03/2009
New residents moving into Texas, who have a valid driver license from their home state, have 90 days after entry into the state to secure a Texas driver license. To apply for a Texas driver license, applicants will be required to:
Applicants age 18 and over with a VALID out-of-state driver license (Select the highlighted links to receive additional information for each requirement listed below.)
Provide proof of Identity.
Provide proof of Social Security Number.
Provide proof of Texas vehicle registration and proof of liability insurance on all vehicles owned.
Complete required forms available at any Texas Driver License office.
Pay the required fee.
Pass a vision exam.
If you have a VALID out-of-state license in your possession, it must be surrendered at the driver license office.
NOTE: If you have never been licensed or have an EXPIRED out-of-state license, you will be required to pass both the written and driving exams, in addition to a vision test.
Applicants under age 18 with a VALID out-of-state driver license
In addition to the items listed above, applicants under the age of 18 applying for a first-time Texas driver license and presenting either a valid out-of-state instruction permit or driver license must present proof of completion of driver education and verification of current enrollment and attendance in school (or high school diploma or GED),
From Texas Department of Public Safety:
Moving to Texas?
Updated 09/03/2009
New residents moving into Texas, who have a valid driver license from their home state, have 90 days after entry into the state to secure a Texas driver license. To apply for a Texas driver license, applicants will be required to:
Applicants age 18 and over with a VALID out-of-state driver license (Select the highlighted links to receive additional information for each requirement listed below.)
Provide proof of Identity.
Provide proof of Social Security Number.
Provide proof of Texas vehicle registration and proof of liability insurance on all vehicles owned.
Complete required forms available at any Texas Driver License office.
Pay the required fee.
Pass a vision exam.
If you have a VALID out-of-state license in your possession, it must be surrendered at the driver license office.
NOTE: If you have never been licensed or have an EXPIRED out-of-state license, you will be required to pass both the written and driving exams, in addition to a vision test.
Applicants under age 18 with a VALID out-of-state driver license
In addition to the items listed above, applicants under the age of 18 applying for a first-time Texas driver license and presenting either a valid out-of-state instruction permit or driver license must present proof of completion of driver education and verification of current enrollment and attendance in school (or high school diploma or GED),