RADV Vulkan Driver Now Supports VK_EXT_discard_rectangles
Written by Michael Larabel in Radeon on 10 January 2018 at 09:17 AM EST. Add A Comment
RADEON --
RADV co-founder Bas Nieuwenhuizen has landed support for the Vulkan VK_EXT_discard_rectangles extension within Mesa 17.4-dev.

VK_EXT_discard_rectangles is the extension introduced last February with the bug Vulkan 1.0.42 update. EXT_discard_rectangles allows for discarding rectangles in the frame-buffer space to restrict rasterization of points/lines/triangles.

To date on the Linux side I'm only aware of the NVIDIA proprietary driver supporting this extension. But with that said I'm also not aware of any Vulkan Linux games/applications yet using this extension either: in the commit Bas just mentions testing a modified deferred demo. Nevertheless, it's another Vulkan extension in place for this open-source Radeon Vulkan driver for the Mesa 18.0 release later this quarter. In addition to this extension, a few other RADV commits have also been committed very recently to the codebase too.

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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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