microsoft/hlsl-specs

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HLSL Specifications

Stars: 222
Forks: 57
Open beginner issues: 0
Indexed issues: 193
Avg merge: 4d 16h
Merged PRs (30d): 5

Dominant language: TeX
License: MIT
Last GitHub push: Sep 10, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

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193 open issues indexed

[0035] Adjust language for float to integer conversion. Open

needs-triage

Difficulty 1/5 Under an hour Newbie friendliness 88/100

microsoft/hlsl-specs#930 · 1 reaction · Opened Sep 10, 2026
Correctly rounded FP32 divide and square root in DirectX shaders Open

enhancement needs-triage

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

microsoft/hlsl-specs#926 · 6 comments · 1 reaction · Opened Sep 3, 2026
[0035] Clarify Layout/Transpose semantics for thread-scope matrix operations under dynamic indexing and control-flow merges Open

needs-triage

microsoft/hlsl-specs#912 · 2 comments · 1 assignee · Opened Aug 7, 2026
[0035] Scalar operations with 8-bit component types Open

active proposal needs-triage

microsoft/hlsl-specs#911 · 1 comment · 1 assignee · Opened Aug 5, 2026
[0035] Dynamic indexing of LinAlg wave-scope/group-scope matrices Open

needs-triage

microsoft/hlsl-specs#897 · 1 comment · 1 assignee · Opened Jul 10, 2026
Implement SPIRV-* dependencies update pipeline Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/hlsl-specs#887 · 3 comments · Opened Jun 19, 2026
LinAlg Retail Documentation Open

microsoft/hlsl-specs#885 · 1 comment · 1 assignee · Opened Jun 19, 2026
[Feature Request] Best effort fused multiply-add intrinsic Open

enhancement needs-triage

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

microsoft/hlsl-specs#883 · Opened Jun 9, 2026
Deprecate Hull, Domain and Geometry Shaders Open

enhancement needs-triage

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

microsoft/hlsl-specs#864 · 1 comment · 5 reactions · Opened May 10, 2026
[0035] Convert and MakeInterpretedVector: restrict input vector component based on ComponentEnum Open

active proposal needs-triage

microsoft/hlsl-specs#860 · 1 assignee · Opened Apr 22, 2026
[0035] Convert interface follow-up Open

active proposal needs-triage

microsoft/hlsl-specs#835 · 1 comment · 1 assignee · Opened Mar 30, 2026
Linalg HLSL Headers Open

microsoft/hlsl-specs#834 · 1 assignee · Opened Mar 30, 2026
Missing 1x1 matrix splats in Standard Conversions section Open

needs-triage

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

microsoft/hlsl-specs#829 · Opened Mar 23, 2026
Should the "size type" be signed or unsigned? Open

needs-triage

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/hlsl-specs#816 · Opened Mar 12, 2026
Simplified access to compute shader state Open

enhancement needs-triage

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

microsoft/hlsl-specs#810 · 1 reaction · Opened Mar 4, 2026
Spec does not mention the ability to elementwise convert an aggregate to a scalar Open

needs-triage

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

microsoft/hlsl-specs#809 · Opened Mar 2, 2026
[0051] Specifying base alignment in SPIR-V Open

active proposal needs-triage

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

microsoft/hlsl-specs#802 · 1 comment · Opened Feb 25, 2026
Feature Request: `static void` variables to represent OpUntypedVariable Open

enhancement needs-triage

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

microsoft/hlsl-specs#794 · Opened Feb 11, 2026
[0035] Support Wave and Thread Group Scope functions in Node Shaders Open

needs-triage

microsoft/hlsl-specs#789 · 1 assignee · Opened Feb 4, 2026
[0050] Specify behavior of fall-throughs in switch statements Open

needs-triage

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

microsoft/hlsl-specs#784 · 1 comment · Opened Feb 2, 2026
SUPPORT packed indices in mesh shader output Open

enhancement needs-triage

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

microsoft/hlsl-specs#772 · Opened Jan 14, 2026
Allow [[vk::location()]] on a global variable Open

enhancement needs-triage

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

microsoft/hlsl-specs#749 · 1 comment · Opened Dec 3, 2025
[0052] Expound on Top 16Bit proposal benefits Open

active proposal needs-triage

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

microsoft/hlsl-specs#733 · Opened Nov 13, 2025
[0052] Expound on `--hlsl-experimental` flag Open

active proposal needs-triage

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

microsoft/hlsl-specs#732 · Opened Nov 13, 2025
[0051] Split proposal for `AlignedLoad`/`AlignedStore` from `BaseAlignment`? Open

active proposal needs-triage

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

microsoft/hlsl-specs#720 · Opened Nov 5, 2025
[0051] Where/how is alignment clamping for AlignedLoad/AlignedStore done? Open

active proposal needs-triage

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

microsoft/hlsl-specs#719 · 1 comment · Opened Nov 5, 2025
[0051] Should load/store alignment be clamped to buffer's base alignment? Open

active proposal needs-triage

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

microsoft/hlsl-specs#718 · Opened Nov 5, 2025
[0051] Collapsing base address alignment in DXIL AnnotateHandle chains Open

active proposal needs-triage

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

microsoft/hlsl-specs#717 · Opened Nov 5, 2025
[0051] Should intermediate declarations require alignment attributes? Open

active proposal needs-triage

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

microsoft/hlsl-specs#716 · Opened Nov 5, 2025
[0051] Should AlignedLoad/AlignedStore warn on over-alignment? Open

active proposal needs-triage

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

microsoft/hlsl-specs#715 · Opened Nov 5, 2025
[0051] Use name BufferAlignment instead of BaseAlignment? Open

active proposal needs-triage

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

microsoft/hlsl-specs#714 · Opened Nov 4, 2025
[0051] shader model/language requirement follow-up Open

active proposal needs-triage

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

microsoft/hlsl-specs#713 · Opened Nov 4, 2025
Can DXIL have structs containing opaque types? Open

needs-triage

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

microsoft/hlsl-specs#694 · Opened Oct 23, 2025
Specify HLSL unary operations Open

needs-triage

Difficulty 3/5 1-2 days Newbie friendliness 55/100

microsoft/hlsl-specs#686 · Opened Oct 16, 2025
explicit named elementwise_cast Open

enhancement needs-triage

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

microsoft/hlsl-specs#676 · Opened Oct 10, 2025
[0037] `cbuffer` contexts Open

Design Meeting

microsoft/hlsl-specs#674 · 2 assignees · Opened Oct 9, 2025
[0031] Loosen/clarify vectorized dot language Open

active proposal needs-triage

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

microsoft/hlsl-specs#660 · 1 comment · Opened Oct 1, 2025
RayQuery: Clarify semantics of object lifetime and stale references Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/hlsl-specs#656 · 2 comments · Opened Sep 30, 2025
[HLSL 202x] Disallow array return types Open

Design Meeting

microsoft/hlsl-specs#652 · 3 comments · 1 assignee · Opened Sep 22, 2025
Should explicit cast expressions ever produce lvalues? Open

Design Meeting

microsoft/hlsl-specs#639 · 2 assignees · Opened Sep 15, 2025
Support `convergent` attribute in DXIL Open

enhancement needs-triage

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

microsoft/hlsl-specs#638 · 2 comments · Opened Sep 12, 2025
SV_ShadingRate is coarse, rough and it gets everywhere Open

needs-triage

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

microsoft/hlsl-specs#617 · 5 comments · Opened Aug 29, 2025
Support C++20/23 Modules Open

enhancement needs-triage

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

microsoft/hlsl-specs#611 · Opened Aug 25, 2025
[0039] How do we support debugging shaders before 6.10 Open

active proposal needs-triage

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

microsoft/hlsl-specs#609 · 1 comment · Opened Aug 21, 2025
Linear Algebra Matrix proposal Open

microsoft/hlsl-specs#603 · 1 assignee · Opened Aug 11, 2025
[SM 6.10] Linear Algebra: Matrix Open

microsoft/hlsl-specs#602 · 1 assignee · Opened Aug 11, 2025
Define `tanh` ULP tolerance Open

needs-triage Requires Shader Model

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

microsoft/hlsl-specs#601 · Opened Aug 11, 2025
Add index-based template load function to ByteAddressBuffer Open

enhancement needs-triage

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

microsoft/hlsl-specs#600 · Opened Aug 6, 2025
[0026] Consider `shuffle` intrinsic for 202y Open

needs-triage

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/hlsl-specs#599 · Opened Aug 6, 2025
[raypayload] use in shader needs to be reported to runtime via feature flag Open

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

microsoft/hlsl-specs#592 · Opened Aug 1, 2025

microsoft/hlsl-specs

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