_t_e_s_s Specifies the tessellation object (created with gggglllluuuuNNNNeeeewwwwTTTTeeeessssssss).
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
gggglllluuuuTTTTeeeessssssssBBBBeeeeggggiiiinnnnCCCCoooonnnnttttoooouuuurrrr and gggglllluuuuTTTTeeeessssssssEEEEnnnnddddCCCCoooonnnnttttoooouuuurrrr delimit the definition of a
polygon contour. Within each gggglllluuuuTTTTeeeessssssssBBBBeeeeggggiiiinnnnCCCCoooonnnnttttoooouuuurrrr/gggglllluuuuTTTTeeeessssssssEEEEnnnnddddCCCCoooonnnnttttoooouuuurrrr pair,
there can be zero or more calls to gggglllluuuuTTTTeeeessssssssVVVVeeeerrrrtttteeeexxxx. The vertices specify a
closed contour (the last vertex of each contour is automatically linked
to the first). See the gggglllluuuuTTTTeeeessssssssVVVVeeeerrrrtttteeeexxxx reference page for more details.
gggglllluuuuTTTTeeeessssssssBBBBeeeeggggiiiinnnnCCCCoooonnnnttttoooouuuurrrr can only be called between gggglllluuuuTTTTeeeessssssssBBBBeeeeggggiiiinnnnPPPPoooollllyyyyggggoooonnnn and