KhronosGroup / MoltenVK

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.

Repository from Github https://github.comKhronosGroup/MoltenVK

KhronosGroup/MoltenVK Issues

[MTLDevice setShouldMaximizeConcurrentCompilation:YES] crashes on macOS 26 for AMD GPUs
Updated 2 months ago2
Demo project not able to run on iOS
Updated 2 months ago1
Failing to build on latest macOS 26 / Xcode 26 with MVK_USE_METAL_PRIVATE_API
Closed 2 months ago1
[Apple Silicon] Manually recreating swapchains creates weird artifacts
Updated 2 months ago
The `vkGetDescriptorSetLayoutSupport` implementation makes using bindless impossible
Updated 2 months ago1
Missing argument buffer bindings using descriptor sets as texture heaps.
Updated 2 months ago1
ERROR: [MoltenVK] Code 0 : Could not compile command shaders (Error code 3): error: invalid value 'metal3.2' in '-std=metal3.2'
Updated 2 months ago3
vkQueueSubmit leaks memory sometimes
Closed 2 months ago1
HLSL compiled to SPIR-V on Metal - must use 'struct' tag to refer to type 'X' in this scope
Updated 3 months ago
`gl_Layer` in vertex shader breaks tessellation pipelines
Updated 3 months ago3
quake2rtx ray tracing
Closed 3 months ago1
-[MTLDebugResidencySet validateResource:]:108: failed assertion `residency sets do not support memoryless resources.'
Closed 3 months ago2
Issue with Swapchain when rendering is done with compute shaders
Updated 3 months ago10
request: report integerDotProduct4x8BitPackedSignedAccelerated support for llama.cpp vulkan backend..
Updated 3 months ago1
Heads up: Xcode 26 cannot build MoltenVK
Closed 3 months ago6
Strange runtime errors from `MVKSurface::getNaturalExtent` on MacOS 26 Beta
Closed 4 months ago3
Shader compile failure: spvUnsafeArray size is not a constant expression
Closed 4 months ago2
Serial execution expected?
Closed 4 months ago4
SPIRV operations for float 16 variants of hyperbolic trig functions fail to compile
Closed 4 months ago1
Add support for VK_KHR_dynamic_rendering_local_read extension
Closed 4 months ago1
Vulkan profiles support?
Updated 4 months ago5
can we please get off "ruby" for fetch dependencies
Closed 4 months ago3
`vkCreateBuffer()` failing on lower end machine
Updated 4 months ago4
Cannot reserve 'buffer' resource location at index 8
Updated 4 months ago
f0cb31a12 makes SDL_Vulkan_GetDrawableSize not possible to retrieve the correct size after destroying swapchain
Updated 4 months ago1
Metal 3.0 not available on M3 MacBook with UE 5.6
Closed 4 months ago3
[bug report] vkCmdSetCullModeEXT(...VK_CULL_MODE_NONE) not worked as expected caused by dirty flag
Updated 5 months ago1
Is VK_DYNAMIC_STATE_CULL_MODE_EXT supported on Mac M1?
Closed 5 months ago
New features available in Metal 4
Updated 5 months ago35
Add support for VK_KHR_shader_float_controls2
Closed 5 months ago2
Cleaning old issues
Updated 5 months ago
Residency sets causing corruption
Updated 5 months ago
3d texture blitting wrong along depth/third axis?
Updated 5 months ago1
Buffer randomly being changed after being copied?
Closed 5 months ago1
Differences compared to native vulkan drivers?
Updated 5 months ago2
Support VK_KHR_line_rasterization
Closed 5 months ago9
Subsequent texture bindings overwrite SamplerState resourceIDs in descriptor set arg buffer
Updated 5 months ago1
vkDeviceWaitIdle does nothing if MVKDevice is in lost state
Updated 5 months ago1
CTS performance and stalls
Updated 6 months ago4
Large perf diff between push constants and constant buffers on MoltenVK
Updated 6 months ago
VK_ERROR_INVALID_SHADER_NV
Updated 6 months ago6
MoltenVK performance regression in Windows games with DXVK
Updated 6 months ago6
Metal assertion for missing buffer binding
Updated 6 months ago
0 A.D. - Performance regression with metal argument buffers
Updated 6 months ago2
vkGetPerformanceStatisticsMVK() is no longer visible for dynamic proc addr lookups
Closed 6 months ago3
Presenting suboptimal image triggers metal assertion
Updated 6 months ago
Any standard benchmarking method for tracking MoltenVK Vulkan performance?
Updated 6 months ago
Possible regression in `OpSMod`?
Closed 6 months ago4
VK_KHR_maintenance5 causing regression in some image format CTS tests
Closed 6 months ago2
[Question] regarding depth buffer reuse
Closed 6 months ago3