We show that equivariant Donaldson polynomials of compact toric surfaces can be calculated as residues of suitable combinations of Virasoro conformal blocks, by building on AGT correspondence between N = 2 supersymmetric gauge theories and two-dimensional conformal field theory. Talk(1) presented by A.T. at the conference Interactions between Geometry and Physics in honor of Ugo Bruzzo's 60th birthday 17-22 August 2015, Guaruja, Sao Paulo, Brazil, mostly based on Bawane et al. (0000) and Bershtein et al. (0000). (C) 2017 Elsevier B.V. All rights reserved.