Khronos has released finalized extensions, collectively called ‘Vulkan Video’, for seamlessly integrating hardware-accelerated video compression and decompression into the Vulkan API. This API incorporates industry feedback and exposes core decode Vulkan Video functionality to provide fully accelerated H.264 and H.265 decode.

Vulkan Video adheres to the Vulkan philosophy of providing applications flexible, fine-grained control over scheduling, synchronization, and memory allocation. By leveraging the existing Vulkan API framework, the Vulkan Video extensions enable efficient, low-latency, low-overhead use of processing resources for accelerated video processing.

The Khronos Vulkan Video subgroup welcomes all developer feedback and is carefully monitoring the Vulkan issue tracker on GitHub.

Khronos has introduced a new extension named VK_EXT_graphics_pipeline_library that allows for shaders to be compiled much earlier than at full Pipeline State Object (PSO) creation time. By leveraging this extension, I was able to avoid many causes of frame hitches due to PSOs being late-created at draw time in the Source 2 Vulkan renderer.

This document outlines a proposal to allow partial compilation of portions of pipelines

The Vulkan API is under constant development, with an ever-growing pool of extensions to solve problems and add valuable new features. With Vulkan 1.3 and the new public roadmap, we’re taking a significant step to reduce feature fragmentation.

The Vulkan API is under constant development, with an ever-growing pool of extensions to solve problems and add valuable new features. However, extensions typically don't come with a deployment timeline or a guarantee of which devices will support them. As a result, it can be hard for developers to have a clear picture of when and where extensions will be supported, and what functionality can be relied on for current and future projects. This situation is even more complex for developers shipping applications across both mobile and desktop platforms.

Vulkan 1.3 mandates widely supported features into the core standard; the Vulkan Roadmap provides visibility into Vulkan’s future requirements for key markets; Profiles streamline development and deployment of portable applications

The newly released VK_KHR_synchronization2 extension brings extensive improvements to Vulkan queue submission, events, and pipeline barriers to significantly improve API usability for developers.

The goal of this article is to help developers easily understand and not be intimidated or confused by one of the toughest aspects of Vulkan: Synchronization.

See this chapter in the Vulkan Guide for an overview of the latest Vulkan synchronization capabilities

See the details of VK_KHR_synchronization2 in the Vulkan specification

Demonstrates the use of the reworked synchronization api introduced with VK_KHR_synchronization2. This sample uses the new extension to streamline memory barriers used for compute and graphics work submissions.

Khronos® has released the final versions of the set of Vulkan®, GLSL and SPIR-V extension specifications that seamlessly integrate ray tracing into the existing Vulkan framework.

For an overview of Ray Tracing in Vulkan, check out this chapter in the Vulkan Guide

Start with the Ray Traversal and Ray Tracing sections of the Vulkan Spec for more details

Render a basic scene using the official cross-vendor ray tracing extension. Shows how to setup all data structures required for ray tracing

The new timeline semaphore synchronization API defines a primitive containing a superset of both the original VkSemaphore and VkFence primitives while simultaneously eliminating many of the most painful limitations of the previous APIs

See detials for Timeline Semaphore in the Vulkan Specification

Demonstrates various use cases which are enabled with timeline semaphores. The sample implements "Game of Life" using out-of-order signal and wait, multiple waits on same semaphore in different queues, waiting and signalling semaphore on host.

The VK_KHR_fragment_shading_rate extension provides a new, flexible technique to control the fragment shading rate, enabling developers to perform shading at a lower resolution than the render targets.

See detials for VK_KHR_fragment_shading_rate in the Vulkan Specification

Uses a special framebuffer attachment to control fragment shading rates for different framebuffer regions. This allows explicit control over the number of fragment shader invocations for each pixel covered by a fragment

Android is enabling a host of useful new Vulkan extensions for mobile. These new extensions are set to improve the state of graphics APIs for modern applications, enabling new use cases and changing how developers can design graphics renderers going forward.

See details for Descriptor Indexing in the Vulkan Specification

Demonstrates how to use descriptor indexing to enable update-after-bind and non-dynamically uniform indexing of descriptors