vk-alloc

A segregated list memory allocator for Vulkan written in Rust.

Targets Vulkan 1.2+ using erupt.

Features

All features are optional by default.

• tracing Adds logging using tracing.
• profiling Adds support for profiling.
• vk-buffer-device-address: Enables the usage of "vkGetBufferDeviceAddress". Needs the Vulkan 1.2 "bufferDeviceAddress" device feature enabled.

License

Licensed under MIT or Apache-2.0 or ZLIB.

lib.rs:

A segregated list memory allocator for Vulkan.

The allocator can pool allocations of a user defined lifetime together to help reducing the fragmentation.

Example:

#[derive(Debug, Clone, Copy, Hash, Eq, PartialEq)]
enum Lifetime {
    Buffer,
    Image,
}

impl vk_alloc::Lifetime for Lifetime {}

unsafe {
    Allocator::<Lifetime>::new(
        &instance,
        &physical_device,
        &AllocatorDescriptor {
            ..Default::default()
        },
    ).unwrap();

    let allocation = alloc
        .allocate(
            &logical_device,
            &AllocationDescriptor {
                location: MemoryLocation::GpuOnly,
                requirements: vk::MemoryRequirementsBuilder::new()
                    .alignment(512)
                    .size(1024)
                    .memory_type_bits(u32::MAX)
                    .build(),
                lifetime: Lifetime::Buffer,
                is_dedicated: false,
                is_optimal: false,
            },
        )
        .unwrap();
}