Design Meeting Minutes: 2025/04/15

NOTE: Please read the terms of participation (“Terms”) prior to joining the Teams meeting. You joining the Teams meeting with Microsoft indicates your acknowledgement, agreement, and consent to these Terms. If you do not agree to these Terms, please do not join the meeting.

If you intend to contribute code or other copyrightable materials (e.g. written comments, tools, documentation, etc.) to the hlsl specs repository, you are required to sign a Contributor License Agreement (CLA). For details, visit https://cla.microsoft.com.

Administrivia

• No updates

Issues

• No marked issues

PRs

Carried Forward

• [dxil] Proposal to add new debug printf dxil op
  • @pow2clk and @tex3d will review this in more detail.
• [202x] Propose adding vk::SampledTexture* types
  • Ready to merge.
• Add proposal for scalar layout for constant buffers
  • Action Item @llvm-beanz - Move to merge.
• Introduce really rough linalg matrix proposal
  • Request for extra eyes
  • Action Item: @llvm-beanz to merge
• Rough proposal collecting thoughts on uniformity
  • Request for reviews
  • Request for extra eyes
  • Action Item: @llvm-beanz to update
• Constant buffers language spec - initial draft
  • What is the correct relationship between cbuffer and namespace?
    • Some fun cbuffer examples

Current Business

• New Proposal: Draft proposal to modify resource typing in HLSL
• [Decl.Init.Agg] Arrays of unknown size
• Add an initial proposal for HLSL 202x deprecations

SM 6.9

• Long vector test plan
• Cooperative Vectors Test Plan
• [0029] Update example code to use real API
• [0030][SM6.9] Add list of ops with vector overload
• [0029] Make “input signed op kind"s be “is input unsigned” and booleans
• [0027] Avoid using undef for dx.op.MaybeReorderThread
• Cooperative vectors API proposal
  • Please review and provide feedback!

Other Discussion