Vendor things

third-party/vendor/gpu-alloc/README.md

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+# gpu-alloc
+
+[![crates](https://img.shields.io/crates/v/gpu-alloc.svg?style=for-the-badge&label=gpu-alloc)](https://crates.io/crates/gpu-alloc)
+[![docs](https://img.shields.io/badge/docs.rs-gpu--alloc-66c2a5?style=for-the-badge&labelColor=555555&logoColor=white)](https://docs.rs/gpu-alloc)
+[![actions](https://img.shields.io/github/workflow/status/zakarumych/gpu-alloc/Rust/main?style=for-the-badge)](https://github.com/zakarumych/gpu-alloc/actions?query=workflow%3ARust)
+[![MIT/Apache](https://img.shields.io/badge/license-MIT%2FApache-blue.svg?style=for-the-badge)](COPYING)
+![loc](https://img.shields.io/tokei/lines/github/zakarumych/gpu-alloc?style=for-the-badge)
+
+
+Implementation agnostic memory allocator for Vulkan like APIs.
+
+This crate is intended to be used as part of safe API implementations.\
+Use with caution. There are unsafe functions all over the place.
+
+## Usage
+
+Start with fetching `DeviceProperties` from `gpu-alloc-<backend>` crate for the backend of choice.\
+Then create `GpuAllocator` instance and use it for all device memory allocations.\
+`GpuAllocator` will take care for all necessary bookkeeping like memory object count limit,
+heap budget and memory mapping.
+
+#### Backends implementations
+
+Backend supporting crates should not depend on this crate.\
+Instead they should depend on `gpu-alloc-types` which is much more stable,
+allowing to upgrade `gpu-alloc` version without `gpu-alloc-<backend>` upgrade.
+
+
+Supported Rust Versions
+
+The minimum supported version is 1.40.
+The current version is not guaranteed to build on Rust versions earlier than the minimum supported version.
+
+`gpu-alloc-erupt` crate requires version 1.48 or higher due to dependency on `erupt` crate.
+
+## License
+
+Licensed under either of
+
+* Apache License, Version 2.0, ([license/APACHE](license/APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+* MIT license ([license/MIT](license/MIT) or http://opensource.org/licenses/MIT)
+
+at your option.
+
+## Contributions
+
+Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.
+
+## Donate
+
+[![Become a patron](https://c5.patreon.com/external/logo/become_a_patron_button.png)](https://www.patreon.com/zakarum)