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Ray Tracing has arrived on the Vulkan API -Khronos delivers cross-platform Ray Tracing

This effort is supported by Intel, AMD and Nvidia

Ray Tracing has arrived on the Vulkan API -Khronos delivers cross-platform Ray Tracing

Ray Tracing has arrived on the Vulkan API -Khronos delivers cross-platform Ray Tracing

The Khronos Group has finally added Ray Tracing support to their Vulkan API, creating the industry's first open, cross-vendor, cross-platform standard for hardware-accelerated ray tracing.  

If you thought that raytracing didn't have a future, you're wrong. AMD, Nvidia, Intel and Imagination Technologies have all committed to supporting ray tracing using the Vulkan API, which means that ray tracing is here to stay.

Ray tracing is a rendering technique that allows developers to realistically simulate light, allowing them to see how individual rays intersect and interact with scene geometry, materials, and other light sources. These techniques help developers to deliver photorealistic graphics. The technique is widely used in the film industry and other production-grade renderings, but work has already started to bring ray tracing to real-time applications and games.

Vulkan's Ray Tracing implementation is designed to seamlessly integrate ray tracing acceleration into the Vulkan API, enabling developers to merge traditional rasterisation techniques and ray tracing acceleration to deliver hybrid graphical methods. Vulkan's Ray Tracing integration is designed to be hardware agnostic, allowing GPU compute and hardware accelerators to make the required ray tracing calculations.

Work has also been done to make Vulkan's ray tracing compatible with Microsoft's DirectX Raytracing (DXR) code. To do this Khronos has allowing Vulkan's Ray Tracing SPIR-V shaders to be created using HLSL shaders (DirectX's shading language) with "minimal modifications", making it easy for engines to support raytracing on Vulkan and DirectX 12. 

Below is a selection of comments from AMD, Nvidia, Intel and Imagination Technologies regarding Vulkan's support for Ray Tracing. 

- Andrej Zdravkovic, senior vice president of software development at AMD

"Standardizing ray tracing in Vulkan is an important step towards making ray tracing available across a wide range of devices, as well as enabling developers to use this technology to its full advantage. AMD intends to provide support for all of the major features in this extension, including ray shading, ray queries, and CPU acceleration structure management. We will be working with developers to ensure great performance from our Vulkan Ray Tracing implementation; these efforts will help us to provide end users with even more visually stunning graphics on AMD Radeon™ GPUs,” 

- Joshua Barczak, graphics software architect at Intel

"The Intel Xe architecture roadmap includes support for hardware-accelerated ray tracing, and we're excited to work with Khronos to implement full support into Vulkan,"

Morgan McGuire, research director at NVIDIA

“NVIDIA ships beta drivers today with support for the provisional standardized ray tracing functionality in Vulkan, bringing accelerated ray tracing to the Vulkan cross-platform, open standard API is another significant step towards enabling the highest quality of visual realism for real-time games and applications everywhere.”

  

Ray Tracing has arrived on the Vulkan API -Khronos delivers cross-platform Ray Tracing  

More information about the Vulkan API's support for hardware-accelerated ray tracing is available on the Khronos Group's website

You can join the discussion on Ray Tracing support coming to the Vulkan API on the OC3D Forums

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