Graphics: XDC2021, Chromebooks, and LLVMpipe
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Intel Talks More About Their Open-Source Vulkan Ray-Tracing Bring-Up - Phoronix
Prominent Intel open-source Vulkan Linux driver developer Jason Ekstrand presented at today's X.Org Developers Conference (XDC2021) about their work on enabling Vulkan ray-tracing support.
As has been covered many times already, with forthcoming Xe-HPG graphics card will feature hardware ray-tracing capabilities. While Windows users are getting excited over DirectX 12 DXR prospects with Intel graphics, on the Linux side that is obviously focused on the Vulkan ray-tracing extensions.
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X.Org Could Use More Help Improving & Addressing Its Security - Phoronix
Those reading Phoronix over the years likely know the X.Org Server has had an increasing number of vulnerabilities come to light in recent times and statements by security researchers like the security being even worse than it looks. Given the age of the X.Org/X11 codebase and many components being rather unmaintained these days, the security situation isn't that great combined with a lack of manpower. The security topic was under the spotlight today at the XDC2021 conference.
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Google Is Successfully Using The Open-Source Qualcomm GL/VLK Drivers On Chromebooks - Phoronix
It's been known that Google has been using the open-source "MSM" DRM/KMS driver on Qualcomm-powered devices that originally started out as a reverse-engineered driver project separate from the company. Now it's also been confirmed how Google is successfully using the open-source Mesa Freedreno OpenGL and TURNIP Vulkan drivers on Qualcomm-powered Chromebooks too.
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Mesa's LLVMpipe + Lavapipe Land FP16 Support - Phoronix
The latest work landing for Mesa 21.3 is supporting FP16 within the LLVM-based software driver code namely for the LLVMpipe Gallium3D OpenGL and Lavapipe Vulkan drivers.
VK_KHR_shader_float16_int8 and VK_KHR_shader_subgroup_extended_types are now exposed for the LLVMpipe code with this OpenGL FP16 support in place. The Lavapipe Vulkan code is similarly exposing this FP16 support too.
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