Yaowu Xu 4bca73b609 Correct the miscalculation in uv dimensions
The calculation of required extension used in HBD case was wrong due
to rounding for UV when y dimension is odd. This commit replace the
computation with correct version.

This fixes a crash caused by writting beyond buffer boundary.

Change-Id: Ic7c9afeb7388cd1341ec4974a611dacfb74ac6b6
2015-02-06 12:19:32 -08:00
..
2012-12-05 16:05:44 -08:00