* Vulkan Frontend Device now tries to use mailbox present mode if available (and falls back to previous behaviour of choosing the first available if not supported). This means tz_triangle_demo will not be vsync'd on machines which supoprt mailbox (vk)
* Vulkan Frontend Device now tries to use mailbox present mode if available (and falls back to previous behaviour of choosing the first available if not supported). This means tz_triangle_demo will not be vsync'd on machines which supoprt mailbox (vk)

Harrand/Topaz