XDC 2020

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September 16-18, 2020

XDC 2020 will be a virtual conference. Visit COVID-19 section to get more information.


Khronos Standards Sessions

Ray-tracing in Vulkan: A brief overview of the provisional VK_KHR_ray_tracing API

Speaker: Jason Ekstrand (Intel)
Website: Click here

Earlier this year, Khronos released a provisional VK_KHR_ray_tracing extension for HW-accelerated ray-tracing with the Vulkan API. In this talk, Jason will introduce the basics of ray-tracing and give an overview of the new shader stages, objects, and other concepts used to accelerate ray-tracing via the new Vulkan extension. The talk will be educational and focus on helping others in the X/Mesa community understand the new API concepts and will contain few if any implementation details.

Quick GL and Vulkan tests with shader_runner and Amber

Speaker: Arcady Goldmints-Orlov (Igalia)
Website: Click here

Normally, writing a CTS or piglit test requires writing a fair amount of C code. But what if you just want to draw a rectangle using a shader? Fortunately, both test suites come with tools to help you do just that with a minimal amount of fuss. Piglit has shader_runner and the Vulkan CTS has Amber, which are scripting languages for their respective graphics APIs. This talk will offer a brief introduction to the capabilities and syntax of both tools.

Overview of the open source Vulkan driver for Raspberry Pi 4

Speaker: Iago Toral (Igalia)
Website: Click here

Igalia has been developing a new open source Mesa driver for the Raspberry Pi 4 since December 2019. This talk will discuss the development story and current status of the driver, provide a high level overview of the major design elements, discuss some of the challenges we found in bringing specific aspects of Vulkan 1.0 to the V3D GPU platform and finally, talk about future plans and how to contribute to the on-going development effort.

How the Vulkan VK_EXT_extended_dynamic_state extension came to be

Speaker: Ricardo Garcia
Website: Click here

VK_EXT_extended_dynamic_state is an interesting Vulkan extension that was released recently. This talk will explain the extension purpose and the role it can play in making Vulkan pipelines more flexible and simplifying many Vulkan applications. It will also focus on the events that sparked the effort to create the extension inside the Khronos Group, making it an interesting case study, covering the process from the design phase to having support for it landed in RADV. As part of this, the talk will also go over the preferred way to contribute to the Vulkan specification.

About OpenGL and Vulkan interoperability.

Speaker: Eleni Maria Stea (Igalia)
Website: Click here

EXT_external_objects and EXT_external_objects_fd are groups of OpenGL extensions that allow OpenGL and Vulkan interoperability. When enabled, Vulkan allocated resources can be accessed and re-used by OpenGL. This talk is about the implementation of the extensions in various drivers, and some common interoperability use cases and examples that have been added to piglit.


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