MoltenVK layers a subset of the Vulkan graphics and compute API over Apple's Metal framework, enabling Vulkan applications to run on macOS, iOS, tvOS, and visionOS.
MoltenVK is a Vulkan Portability implementation that layers a subset of the Vulkan graphics and compute API over Apple's Metal framework. It solves the problem of Vulkan applications not natively running on Apple platforms by translating Vulkan calls to Metal, enabling developers to maintain a single Vulkan codebase for cross-platform deployment including macOS, iOS, tvOS, and visionOS.
Graphics and game developers who use Vulkan for high-performance rendering and want to deploy their applications on Apple ecosystems without rewriting their rendering code for Metal.
Developers choose MoltenVK because it provides a performant, nearly-compliant Vulkan implementation on Apple platforms, avoiding the need to maintain separate Metal codebases while leveraging Vulkan's cross-platform advantages and tooling like the Vulkan SDK.
MoltenVK is a Vulkan Portability implementation. It layers a subset of the high-performance, industry-standard Vulkan graphics and compute API over Apple's Metal graphics framework, enabling Vulkan applications to run on macOS, iOS and tvOS.
Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.
Enables Vulkan applications to run on all Apple platforms including macOS, iOS, tvOS, and visionOS without code changes, as stated in the README's support for multiple OSes and architectures.
Converts SPIR-V shaders to Metal Shading Language at runtime with a standalone command-line tool, simplifying shader management for Apple GPUs, as highlighted in the SPIR-V to MSL conversion feature.
Uses only public Metal APIs, ensuring apps can be distributed via Apple's App Store without private API issues, confirmed in the README's philosophy section.
Works with the Vulkan SDK on macOS, providing access to validation layers for debugging, as recommended in the development section for using the SDK.
Implements only a subset of Vulkan 1.4 with documented limitations, meaning features like geometry shaders or certain synchronization primitives may not be available, as admitted in the compliance section.
Requires fetching dependencies with specific scripts (e.g., fetchDependencies), Xcode 15.0.1 or later, and multiple build steps, which can be cumbersome for quick integration or cross-platform teams.
As a layer mapping Vulkan to Metal, it may introduce runtime overhead compared to native Metal code, though optimized; this is a inherent trade-off in portability implementations.