Vulkan 1.1.93 Released With Two New Extensions, Adds ID For Google "Pastel"
Written by Michael Larabel in Vulkan on 18 November 2018 at 06:58 AM EST. 3 Comments
VULKAN --
Continuing to make Sunday mornings more entertaining are new Vulkan documentation updates on their weekly-ish update cycle.

Vulkan 1.1.93 brings a lot of the usual fixes/clarifications to the growing documentation. There are though some interesting bits: two new extensions and the driver ID being added for "Pastel".

This update does add a driver ID for Pastel. This Pastel driver ID is for Google and appears to be part of their SwiftShader effort. SwiftShader is the CPU-based OpenGL ES and Direct3D 9 implementation for "hardware independence for advanced 3D graphics." SwiftShader has prototyped Vulkan support for a while now and it appears "Pastel" is for that effort.

The VK_EXT_scalar_block_layout extension is new to Vulkan 1.1.93 and allows for uniform buffers, storage buffers, and push constants to be aligned based on the size of their components. This is for C-like structure layouts for these buffers.

The other new extension is the AMD-developed VK_EXT_separate_stencil_usage and allows specifying separate usage flags for the stencil aspect of images with a depth-stencil format at image-creation time.

More details on the Vulkan 1.1.93 changes via this commit.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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