Showing results for HLSL - DirectX Developer Blog

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...

Vectors have been supported as native primitive types in HLSL from the beginning. However, they have been limited to a maximum of 4 elements. This was reasonable for the use cases for which HLSL was designed as 3D vertices, 3D vectors, and RGBA colors can be fully represented using 4 scalar values or fewer. There are other applications in the ma...

The HLSL team is excited to announce DXC 1.8.2405 which is a packed release! In addition to a healthy assortment of bug fixes and quality of life improvements, this release features two things we’re really excited about. First this is the first DXC release to contain Windows binaries built with Clang alongside the binaries built with MSVC, and it i...

This is the official release of D3D12 Work Graphs, enabling new types of GPU autonomy, originally available as a preview in 2023. To start, here's what Epic sees: With the proliferation of GPU-driven rendering techniques - such as Nanite in Unreal Engine 5 - the role of the CPU is trending towards primarily resource management and hazard ...

The DirectX Shader Compiler Summer 2023 release is live! The most significant change in this release is the enabling of the HLSL 2021 language version by default. HLSL 2021 includes templates, operator overloads, bitfields, short-circuiting, and modernizations to loop variable scope and implicit struct casting. You can read about the details of the...