KhronosGroup/SPIRV-Cross

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• "dx" is reserved in HLSL

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  Difficulty 2/5 1-3 hours Newbie friendliness 64/100

  KhronosGroup/SPIRV-Cross#2743 · Opened Nov 15, 2026

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• GLSL Output for SPIRV shader that uses SSBOs doesn't emit the required `#extension` deceleration on opengl < 430

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  Difficulty 3/5 Half a day Newbie friendliness 65/100

  KhronosGroup/SPIRV-Cross#2742 · Opened Nov 12, 2026

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• MSL: support `BaryCoordKHR` and `BaryCoordNoPerspKHR` in the same fragment shader (Metal accepts `[[barycentric_coord, center_perspective]]` beside `[[barycentric_coord, center_no_perspective]]`)

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  Difficulty 3/5 1-2 days Newbie friendliness 77/100

  KhronosGroup/SPIRV-Cross#2725 · Opened Oct 24, 2026

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• MSL: no texture fence before an image atomic that follows a write to the same read_write texture

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  Difficulty 3/5 1-2 days Newbie friendliness 63/100

  KhronosGroup/SPIRV-Cross#2723 · Opened Oct 23, 2026

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• MSL: flip_vert_y skips mesh positions declared as standalone BuiltIn Position outputs

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  Difficulty 2/5 1-3 hours Newbie friendliness 76/100

  KhronosGroup/SPIRV-Cross#2717 · Opened Oct 17, 2026

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• MSL: Error when enabling `argument_buffers` with a runtime-sized descriptor array.

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  Difficulty 4/5 3-5 days Newbie friendliness 55/100

  KhronosGroup/SPIRV-Cross#2702 · Opened Oct 7, 2026

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• HLSL: support SPIR-V library modules (no OpEntryPoint, only Export-decorated functions)

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  Difficulty 5/5 Over a week Newbie friendliness 38/100

  KhronosGroup/SPIRV-Cross#2622 · 14 comments · Opened May 6, 2026

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• Crash on macOS generating MSL with sanitizers

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  KhronosGroup/SPIRV-Cross#2606 · 6 comments · Opened Mar 11, 2026

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• Compiler cannot reflect storage_buffer

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  Difficulty 4/5 3-5 days Newbie friendliness 28/100

  KhronosGroup/SPIRV-Cross#2590 · 1 comment · Opened Jan 15, 2026

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• pVectorExtractDynamic with spec constant index is not correct

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  needs triage

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2557 · 1 comment · Opened Oct 16, 2025

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• MSL: incorrect shared memory alignment, for `vec3`

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  KhronosGroup/SPIRV-Cross#2494 · 1 comment · Opened Jun 8, 2025

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• MSL: Support for SPV_KHR_cooperative_matrix (and SPV_KHR_shader_bfloat16)

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2478 · 4 comments · Opened May 1, 2025

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• Incorrect semantic labels for stage inputs and outputs

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  KhronosGroup/SPIRV-Cross#2461 · 5 comments · Opened Apr 7, 2025

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• `flip_vert_y` for geometry shaders does not produce expected results

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  KhronosGroup/SPIRV-Cross#2455 · Opened Mar 27, 2025

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• [MSL] Metal Multi-View Rendering

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  help wanted

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2423 · 3 comments · Opened Dec 7, 2024

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• HLSL -> MSL: raster_order_group annotation

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2419 · 1 comment · Opened Nov 19, 2024

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• Integrating with OSS-Fuzz

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2413 · 1 comment · Opened Nov 12, 2024

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• C reflection API has no apparent way to obtain per entrypoint information

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2403 · Opened Oct 31, 2024

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• Invalid GLSL produced from valid SPIRV

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  KhronosGroup/SPIRV-Cross#2393 · 3 comments · Opened Oct 14, 2024

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• CMake: The following imported targets are referenced, but are missing

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  Difficulty 4/5 3-5 days Newbie friendliness 32/100

  KhronosGroup/SPIRV-Cross#2370 · 3 comments · Opened Aug 30, 2024

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• invalid MSL when using BDA

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  Difficulty 3/5 1-2 days Newbie friendliness 42/100

  KhronosGroup/SPIRV-Cross#2368 · 4 comments · Opened Aug 23, 2024

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• [MSL] Image bindings wrong from GLSL->SPIRV-MSL

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  KhronosGroup/SPIRV-Cross#2363 · 2 comments · Opened Aug 9, 2024

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• Obj): error LNK2038: Mismatch detected for 'RuntimeLibrary': value 'MD_DynamicRelease' mismatch value 'MDd_DynamicDebug' (in Car.obj)

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2341 · 1 comment · Opened Jun 12, 2024

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• HLSL: binding start offset feature

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2340 · 4 comments · Opened Jun 12, 2024

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• compiler is optimizing unreferenced parameter in CompilerGLSL::type_to_array_glsl and causing linking issues

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  Difficulty 2/5 1-3 hours Newbie friendliness 48/100

  KhronosGroup/SPIRV-Cross#2338 · 6 comments · Opened Jun 9, 2024

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• MSL: Shader input overrides are not applied for block, array, and struct types

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  Difficulty 4/5 3-5 days Newbie friendliness 38/100

  KhronosGroup/SPIRV-Cross#2305 · 2 comments · Opened Apr 2, 2024

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• MSL: row/column major issue.

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  KhronosGroup/SPIRV-Cross#2295 · 3 comments · Opened Mar 14, 2024

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• How to use `gl_HalfPixel`?

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2291 · 1 comment · Opened Mar 7, 2024

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• How do I query vertex attributes that are not used in shader?

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2280 · 4 comments · Opened Feb 19, 2024

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• GLSL: Add option to separate combined image samplers when emitting GLSL

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  Difficulty 3/5 1-2 days Newbie friendliness 35/100

  KhronosGroup/SPIRV-Cross#2236 · 5 comments · Opened Nov 30, 2023

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• How Do You Solve a Problem Like MSL?

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  Difficulty 5/5 Over a week Newbie friendliness 15/100

  KhronosGroup/SPIRV-Cross#2229 · 4 comments · Opened Nov 17, 2023

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• [mvk-error] SPIR-V to MSL conversion error: Argument buffer resource base type could not be determined.

  May be free again @billhollings claimed this 923 days ago, and no pull request is open. Open

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  bug

  KhronosGroup/SPIRV-Cross#2198 · 9 comments · 1 assignee · Opened Sep 13, 2023

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• Array with size using specialization constant passed as function parameter error

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  needs triage

  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  KhronosGroup/SPIRV-Cross#2188 · Opened Aug 23, 2023

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• `[[clang::optnone]]` causes miscompiles

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2156 · 3 comments · Opened May 26, 2023

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• "MSL conversion error: Aliasing arrayed discrete descriptors is currently not supported."

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2142 · 3 reactions · Opened May 1, 2023

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• [MSL] remap_variable_type_name is largely absent from MSL code emission.

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  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  KhronosGroup/SPIRV-Cross#2134 · 2 comments · Opened Apr 6, 2023

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• generate the smallest float/double that preserves the binary representation

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  enhancement maintenance

  Difficulty 5/5 Over a week Newbie friendliness 32/100

  KhronosGroup/SPIRV-Cross#2132 · 2 comments · Opened Mar 31, 2023

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• HLSL shader seems to compile do combined image sampler but spirv cross does not detect it.

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  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  KhronosGroup/SPIRV-Cross#2119 · 2 comments · Opened Mar 8, 2023

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• Unable to use reflection to retrieve layout(buffer_reference) buffer types without direct usage

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  enhancement

  Difficulty 4/5 3-5 days Newbie friendliness 30/100

  KhronosGroup/SPIRV-Cross#2118 · 1 comment · Opened Mar 6, 2023

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• Support static linking in pkg-config

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  help wanted

  Difficulty 2/5 1-3 hours Newbie friendliness 45/100

  KhronosGroup/SPIRV-Cross#2117 · 1 comment · Opened Mar 3, 2023

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• MSL: Generated code incorrectly tries to assign unsafeArray to spvStorage

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  needs triage

  Difficulty 4/5 3-5 days Newbie friendliness 45/100

  KhronosGroup/SPIRV-Cross#2116 · 3 comments · Opened Mar 3, 2023

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• MSL: Unsized array of images is not supported in MSL

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  Difficulty 5/5 Over a week Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2112 · 15 comments · 1 reaction · Opened Feb 24, 2023

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• MSL: dynamic/runtime array conversion

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  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2109 · 8 comments · Opened Feb 20, 2023

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• Support for SPV_NV_shader_invocation_reorder

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  enhancement

  Difficulty 5/5 Over a week Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2106 · 3 comments · Opened Feb 7, 2023

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• Bindings overlapped for atomically accessed RWBuffer when cross compiled to MSL

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  Difficulty 4/5 3-5 days Newbie friendliness 32/100

  KhronosGroup/SPIRV-Cross#2102 · 2 comments · Opened Jan 31, 2023

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• MSL: Ray tracing

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  KhronosGroup/SPIRV-Cross#2065 · 9 comments · Opened Nov 23, 2022

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• SPIR-V -> HLSL : cross compiling bindings overlap

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  Difficulty 4/5 3-5 days Newbie friendliness 35/100

  KhronosGroup/SPIRV-Cross#2064 · 2 comments · Opened Nov 22, 2022

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• [SPIR-V] Function call discards 'readonly' access qualifier

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  not a bug

  Difficulty 4/5 3-5 days Newbie friendliness 25/100

  KhronosGroup/SPIRV-Cross#2047 · 1 comment · Opened Oct 28, 2022

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• MSL: spvArrayCopyFrom*To*N() functions don't work with multidimensional templates

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  Difficulty 5/5 Over a week Newbie friendliness 20/100

  KhronosGroup/SPIRV-Cross#2026 · 3 comments · Opened Sep 21, 2022

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• [GLSL] `--flatten-ubo` with preserving names

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  KhronosGroup/SPIRV-Cross#2020 · 2 comments · Opened Sep 14, 2022

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