Introducing vk-sync rust crate

Simplified Vulkan synchronization logic, written in rust.

Through many discussions about pitfalls and gotchas with Tobias Hector about Vulkan synchronization, it was pretty clear that there was an opportunity to simplify synchronization patterns into something more approachable and less error-prone. Tobias created a C++ implementation based on our discussions, and this library was used successfully on some of our internal projects at SEED (i.e. PICA PICA).

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In an effort to make Vulkan synchronization more accessible, this library provides an efficient simplification of core synchronization mechanisms such as pipeline barriers and events.

Rather than the complex maze of enums and bit flags in Vulkan - many combinations of which are invalid or nonsensical - this library collapses this to a much shorter list of ~40 distinct usage types, and a couple of options for handling image layouts.

Additionally, these usage types provide an easier mapping to other graphics APIs like DirectX 12.


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