Update ash requirement from 0.37 to 0.38

Updates the requirements on ash to permit the latest version.

Changelog

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased] - ReleaseDate

[0.38.0] - 2024-04-01

With over two years of collecting breaking changes (since the 0.37.0 release in March 2022), April 2024 marks the next breaking release of ash. This release introduces an overhaul of all Vulkan structures, restructures modules around extensions, and separates extension wrappers between Instance and Device functions. The crate contains all bindings defined by the latest 1.3.281 Vulkan specification, and many old and new extensions have received a hand-written extension wrapper. For a full overview of all individual changes, see the list at the end of this post.

Replaced builders with lifetimes/setters directly on Vulkan structs

All Builder structs have been removed, and their builder functions and lifetime generic have moved to the underlying Vulkan struct. This means all types will carry the lifetime information of contained references at all times, when created using the builder pattern.

Where one used to call:
let queue_info = [vk::DeviceQueueCreateInfo::build()
    .queue_family_index(queue_family_index)
    .queue_priorities(&priorities)
    .build()];
Which drops lifetime information about the &priorities slice borrow, one now writes:
let queue_info = [vk::DeviceQueueCreateInfo::default()
    .queue_family_index(queue_family_index)
    .queue_priorities(&priorities)];
And queue_info relies on the borrow checker to ensure it cannot outlive &priorities.

Separating extension loaders and wrappers between instance and device functions

Just like the separation between InstanceFnV1_x and Device_FnV1_x for Vulkan core functions, all extensions now have a separate generated InstanceFn and DeviceFn function pointer table (when containing one or more functions), separating out the two.

High-level extension wrappers are updated to match via a separate Instance and Device struct inside a module carrying the extension name (see also below), instead of residing in a single struct. These modules are generated for all extensions including those without functions (for which no Instance or Device struct is generated), complete with a reexport of the extension name and version.

Restructuring of modules around extensions, function-pointer tables and high-level wrappers

Function pointer tables for both core and extensions have moved out of the "pure" sys-like ash::vk:: module, into the ash:: root for core *FnV1_x tables and into the extension module ash::<prefix>::<extension name>::{InstanceFn, DeviceFn} for extensions. High-level wrappers for these structs (originally from the ash::extensions module), together with the Instance and Device structure split detailed above, have also moved into this module.

For example, ash::vk::KhrSwapchainFn is now available as ash::khr::swapchain::{InstanceFn, DeviceFn}, and the high-level ash::extensions::KhrSwapchain wrapper is available at ash::khr::swapchain::{Instance, Device}. The extension name and version are found under ash::khr::swapchain::{NAME, SPEC_VERSION}.

Misc helpers

... (truncated)

Commits

b724b78 Release ash 0.38.0 and ash-window 0.13.0 (#897)
24c3287 Add Fuchsia support (#626)
cd6e1ea extensions/amd/shader_info: Replace unreachable ShaderInfoResult with 3 spe...
0c362c0 extensions/khr/calibrated_device: Use self.handle instead of requiring `vk:...
736fa20 generator: Reintroduce Clone on high-level Instance/Device extension wr...
9e36403 extensions: Always return pipeline/shaders, even on error (#828)
1b24430 Outline monomorphic load functions
3d84654 Rework module layout for less redundancy and cleaner isolation
aee0c61 extension/ext: Add missing length-rounding in cmd_set_sample_mask() assert ...
71387e9 extensions/khr: Re-add erroneously removed mod acceleration_structure (#893)
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Ralith / openxrs