DXC Release Highlights

This release is a patch release following up on the SM 6.10 preview from last month. It fixes several SM 6.10 preview bugs and adds support for LinAlg VectorAccumulate.

It also includes a number of small tweaks to the language.

Experimental SM 6.10

• Added VectorAccumulate to LinAlg Matrix API
• Fixed #8433 validator rejects LinAlgMatrix type in DXIL
• Fixed #8390 Bias should convert to output type
• Fixed #8271 Allow complete set of types in LinAlg intrinsics
• Fixed several issues with LinAlg Exec Tests #8420

Features

• Support >> in templates instead of requiring > > #8453
• Implement auto for type deduction #8452
• Implement [[nodiscard]] attribute to warn on unused return values #8462

Bug fixes

• Compiler now rejects illegal volatile keyword #8397

Compiler Quality and Stability

• Several compiler correctness fixes across HLSL front-end, DXIL, and SPIR-V paths.
• Several compiler crash fixes from all areas of the compiler

More Details

This DX compiler release is also available as a NuGet package Microsoft.Direct3D.DXC.

Shader Model 6.10 Preview requires D3D12 Agility SDK 1.720-preview and a hardware driver with appropriate support. Please see https://devblogs.microsoft.com/directx/directx12agility/ for details.

For an itemized list of changes, fixes, and technical details, see the full release notes or the commit list:

• ReleaseNotes.md
• Commit list