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Welcome to the preview release for Cooperative Vector support in D3D12.  This exposes powerful new hardware acceleration for vector and matrix operations, enabling developers to efficiently drive neural rendering techniques directly from individual shader threads in real-time graphics pipelines. In research and in industry, machine learning ...

DirectX Raytracing (DXR) now supports Opacity Micromaps (OMMs), enabling hardware to handle alpha tested geometry more efficiently than relying only on costly AnyHit shader invocations. At GDC 2025 DXR 1.2 was announced including OMMs, and you can see it discussed in this: GDC DirectX State Of The Union YouTube Recording. In the video, Remed...

Shader Execution Reordering (SER) is an addition to DirectX Raytracing that enables application shader code inform hardware how to find coherency across rays so they can be sorted to execute better in parallel. At GDC 2025 DXR 1.2 was announced including SER, and you can see it discussed in this: GDC DirectX State Of The Union YouTube Record...

We are pleased to announce both a retail and preview Agility SDK release with several new features, available on Agility SDK Downloads today! As usual, the features in this release come with Day One PIX support. Please read the PIX blog post for more information. Agility SDK 1.717-preview features Check out the full sp...

Today in the DirectX State of the Union at GDC 2025, we proudly showcased the next evolution in graphics with the announcement of DirectX Raytracing (DXR) 1.2. This update promises groundbreaking performance improvements and breathtaking visual fidelity, marking another milestone in our mission to deliver immersive, realistic experiences to gamers ...

We’re counting down the days until the Microsoft DirectX team will be at the Game Developers Conference 2025 with a lineup of exciting sessions and announcements to push the boundaries of game development. Whether you’re a seasoned graphics developer or just diving into the world of DirectX, our sessions will offer valuable insights into the latest...

Today DirectX 12 provides APIs to support GPU video encode acceleration for several applications, as detailed in D3D12 Video Encoding - Windows drivers | Microsoft Learn previous blog posts such as Announcing new DirectX 12 feature - Video Encoding! - DirectX Developer Blog. In this blog post we’re happy to announce a series of new features incl...

The D3D runtime as of 1.615 officially supports applications opting to bypass shader hash validation. The historical purpose of the hash that the DX shader compiler embeds in every shader binary was to give the D3D runtime to confidence that shaders being given to it are well formed.  The assumption was that a hashed shader likely came from an o...

We are pleased to announce both a retail release of Shader hash bypass and a preview AgilitySDK release with several new features, available on Agility SDK Downloads today! You can find detailed information about all the features on the individual blog pages: ...

Today we’re excited to announce the release of a new D3D12 feature: Application Specific Driver State. This feature is intended to be used by capture/replay tools, such as PIX on Windows, to help with issues caused by “app detect” behavior. Background D3D12 drivers occasionally have to perform workarounds for bugs in specific applications. For ex...