-- | The name, datatype and size of the transform feedback varyings.
transformFeedbackVaryings :: Program -> GettableStateVar [(GLint, DataType, String)]
transformFeedbackVaryings =
   activeVars
      numTransformFeedbackVaryings
      transformFeedbackVaryingMaxLength
      glGetTransformFeedbackVarying
      unmarshalDataType
transformFeedbackVaryings :: Program -> GettableStateVar [(GLint, DataType, String)]
transformFeedbackVaryings =
   activeVars
      numTransformFeedbackVaryings
      transformFeedbackVaryingMaxLength
      glGetTransformFeedbackVarying
      unmarshalDataType
transformFeedbackVaryings =
   activeVars
      numTransformFeedbackVaryings
      transformFeedbackVaryingMaxLength
      glGetTransformFeedbackVarying
      unmarshalDataType