KhronosGroup/SPIRV-Cross

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SPIRV-Cross is a practical tool and library for performing reflection on SPIR-V and disassembling SPIR-V back to high level languages.

Stars: 2.5k
Forks: 713
Open beginner issues: 0
Indexed issues: 132
Avg merge: 2d 18h
Merged PRs (30d): 16

Dominant language: GLSL
License: Apache-2.0
Last GitHub push: Sep 18, 2026
Latest indexed: Sep 18, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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132 open issues indexed

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

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

KhronosGroup/SPIRV-Cross#2622 · 14 comments · Opened May 6, 2026
Crash on macOS generating MSL with sanitizers Open

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

KhronosGroup/SPIRV-Cross#2606 · 6 comments · Opened Mar 11, 2026
Compiler cannot reflect storage_buffer Open

question

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

KhronosGroup/SPIRV-Cross#2590 · 1 comment · Opened Jan 15, 2026
MSL: Support for PerVertexKHR with MSL 4.0 Open

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

KhronosGroup/SPIRV-Cross#2569 · Opened Nov 25, 2025
pVectorExtractDynamic with spec constant index is not correct Open

needs triage

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

KhronosGroup/SPIRV-Cross#2557 · 1 comment · Opened Oct 16, 2025
MSL: incorrect shared memory alignment, for `vec3` Open

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

KhronosGroup/SPIRV-Cross#2494 · 1 comment · Opened Jun 8, 2025
MSL: Support for SPV_KHR_cooperative_matrix (and SPV_KHR_shader_bfloat16) Open

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

KhronosGroup/SPIRV-Cross#2478 · 4 comments · Opened May 1, 2025
Incorrect semantic labels for stage inputs and outputs Open

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

KhronosGroup/SPIRV-Cross#2461 · 5 comments · Opened Apr 7, 2025
`flip_vert_y` for geometry shaders does not produce expected results Open

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

KhronosGroup/SPIRV-Cross#2455 · Opened Mar 27, 2025
[MSL] Metal Multi-View Rendering Open

help wanted

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

KhronosGroup/SPIRV-Cross#2423 · 3 comments · Opened Dec 7, 2024
HLSL -> MSL: raster_order_group annotation Open

question

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

KhronosGroup/SPIRV-Cross#2419 · 1 comment · Opened Nov 19, 2024
Integrating with OSS-Fuzz Open

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

KhronosGroup/SPIRV-Cross#2413 · 1 comment · Opened Nov 12, 2024
C reflection API has no apparent way to obtain per entrypoint information Open

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

KhronosGroup/SPIRV-Cross#2403 · Opened Oct 31, 2024
Invalid GLSL produced from valid SPIRV Open

question

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

KhronosGroup/SPIRV-Cross#2393 · 3 comments · Opened Oct 14, 2024
CMake: The following imported targets are referenced, but are missing Open

question

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

KhronosGroup/SPIRV-Cross#2370 · 3 comments · Opened Aug 30, 2024
invalid MSL when using BDA Open

question

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

KhronosGroup/SPIRV-Cross#2368 · 4 comments · Opened Aug 23, 2024
[MSL] Image bindings wrong from GLSL->SPIRV-MSL Open

question

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

KhronosGroup/SPIRV-Cross#2363 · 2 comments · Opened Aug 9, 2024
Obj): error LNK2038: Mismatch detected for 'RuntimeLibrary': value 'MD_DynamicRelease' mismatch value 'MDd_DynamicDebug' (in Car.obj) Open

question

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

KhronosGroup/SPIRV-Cross#2341 · 1 comment · Opened Jun 12, 2024
HLSL: binding start offset feature Open

question

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

KhronosGroup/SPIRV-Cross#2340 · 4 comments · Opened Jun 12, 2024
compiler is optimizing unreferenced parameter in CompilerGLSL::type_to_array_glsl and causing linking issues Open

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

KhronosGroup/SPIRV-Cross#2338 · 6 comments · Opened Jun 9, 2024
MSL: Shader input overrides are not applied for block, array, and struct types Open

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

KhronosGroup/SPIRV-Cross#2305 · 2 comments · Opened Apr 2, 2024
MSL: row/column major issue. Open

question

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

KhronosGroup/SPIRV-Cross#2295 · 3 comments · Opened Mar 14, 2024
How to use `gl_HalfPixel`? Open

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

KhronosGroup/SPIRV-Cross#2291 · 1 comment · Opened Mar 7, 2024
How do I query vertex attributes that are not used in shader? Open

question

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

KhronosGroup/SPIRV-Cross#2280 · 4 comments · Opened Feb 19, 2024
GLSL: Add option to separate combined image samplers when emitting GLSL Open

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

KhronosGroup/SPIRV-Cross#2236 · 5 comments · Opened Nov 30, 2023
How Do You Solve a Problem Like MSL? Open

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

KhronosGroup/SPIRV-Cross#2229 · 4 comments · Opened Nov 17, 2023
[mvk-error] SPIR-V to MSL conversion error: Argument buffer resource base type could not be determined. Open

bug

KhronosGroup/SPIRV-Cross#2198 · 9 comments · 1 assignee · Opened Sep 13, 2023
Array with size using specialization constant passed as function parameter error Open

needs triage

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

KhronosGroup/SPIRV-Cross#2188 · Opened Aug 23, 2023
`[[clang::optnone]]` causes miscompiles Open

question

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

KhronosGroup/SPIRV-Cross#2156 · 2 comments · Opened May 26, 2023
"MSL conversion error: Aliasing arrayed discrete descriptors is currently not supported." Open

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

KhronosGroup/SPIRV-Cross#2142 · 3 reactions · Opened May 1, 2023
[MSL] remap_variable_type_name is largely absent from MSL code emission. Open

question

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

KhronosGroup/SPIRV-Cross#2134 · 2 comments · Opened Apr 6, 2023
generate the smallest float/double that preserves the binary representation Open

enhancement maintenance

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

KhronosGroup/SPIRV-Cross#2132 · 2 comments · Opened Mar 31, 2023
HLSL shader seems to compile do combined image sampler but spirv cross does not detect it. Open

question

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

KhronosGroup/SPIRV-Cross#2119 · 2 comments · Opened Mar 8, 2023
Unable to use reflection to retrieve layout(buffer_reference) buffer types without direct usage Open

enhancement

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

KhronosGroup/SPIRV-Cross#2118 · 1 comment · Opened Mar 6, 2023
Support static linking in pkg-config Open

help wanted

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

KhronosGroup/SPIRV-Cross#2117 · 1 comment · Opened Mar 3, 2023
MSL: Generated code incorrectly tries to assign unsafeArray to spvStorage Open

needs triage

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

KhronosGroup/SPIRV-Cross#2116 · 3 comments · Opened Mar 3, 2023
MSL: Unsized array of images is not supported in MSL Open

question

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

KhronosGroup/SPIRV-Cross#2112 · 15 comments · 1 reaction · Opened Feb 24, 2023
MSL: dynamic/runtime array conversion Open

question

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

KhronosGroup/SPIRV-Cross#2109 · 8 comments · Opened Feb 20, 2023
Support for SPV_NV_shader_invocation_reorder Open

enhancement

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

KhronosGroup/SPIRV-Cross#2106 · 3 comments · Opened Feb 7, 2023
Bindings overlapped for atomically accessed RWBuffer when cross compiled to MSL Open

question

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

KhronosGroup/SPIRV-Cross#2102 · 2 comments · Opened Jan 31, 2023
MSL: Ray tracing Open

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

KhronosGroup/SPIRV-Cross#2065 · 9 comments · Opened Nov 23, 2022
SPIR-V -> HLSL : cross compiling bindings overlap Open

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

KhronosGroup/SPIRV-Cross#2064 · 2 comments · Opened Nov 22, 2022
[SPIR-V] Function call discards 'readonly' access qualifier Open

not a bug

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

KhronosGroup/SPIRV-Cross#2047 · 1 comment · Opened Oct 28, 2022
MSL: spvArrayCopyFrom*To*N() functions don't work with multidimensional templates Open

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

KhronosGroup/SPIRV-Cross#2026 · 3 comments · Opened Sep 21, 2022
[GLSL] `--flatten-ubo` with preserving names Open

question

Difficulty 5/5 Over a week Newbie friendliness 35/100

KhronosGroup/SPIRV-Cross#2020 · 2 comments · Opened Sep 14, 2022
[MSL] Is it necessary to use `spvUnsafeArray` type for array on the stack? Open

question

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

KhronosGroup/SPIRV-Cross#2010 · 1 comment · Opened Aug 29, 2022
MSL: Feature request: Support for 64-bit datatypes in subgroup operations Open

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

KhronosGroup/SPIRV-Cross#2007 · 3 comments · Opened Aug 24, 2022
[GLSL] Invalid tess control shader is generated if fixup_clipspace is true. Open

question

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

KhronosGroup/SPIRV-Cross#2002 · 1 comment · Opened Aug 18, 2022
[MSL] Attribute `[[clang::optnone]]` causes significant performance hit on M1 Macs. Open

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

KhronosGroup/SPIRV-Cross#1999 · 1 comment · Opened Aug 12, 2022
[GLSL] Vertex shader ssbo emulation Open

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

KhronosGroup/SPIRV-Cross#1998 · 1 comment · Opened Aug 10, 2022

KhronosGroup/SPIRV-Cross

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