attempt to deal with rounding issue when creating the swap chain#997

Merged

cart merged 4 commits intobevyengine:masterfrom blunted2night:high-dpi

Dec 7, 2020

+83-61

Commits on Dec 7, 2020

attempt to deal with rounding issue when creating the swap chain on high DPI displays
Nathan Jeffords
committed
fix issues highlighted in review
Nathan Jeffords
committed
restore the return type of window's width and height function
Nathan Jeffords
committed
revert argument types of Window::set_resolution method to u32
Nathan Jeffords
committed