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OpenCL 3.0.7 and Vulkan 1.2.177 Released

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  • OpenCL 3.0.7 Released With New Extensions

    The Khronos Group used the International Workshop on OpenCL (IWOCL 2021) to release OpenCL 3.0.7 as the latest OpenCL 3 revision that brings with it some new extensions.

    This OpenCL 3.0 maintenance release brings a handful of new extensions in addition to the usual bug fixes and clarifications. One of the interesting additions with OpenCL 3.0.7 is cl_khr_pci_bus_info for exposing PCI bus information of the OpenCL device. There is also now cl_khr_extended_bit_ops for built-in functions to insert/extract/reverse bits in a bitfield.

    With OpenCL 3.0.7, cl_khr_suggested_local_work_size is a new query for finding out about the suggested local work group size for a kernel on an OpenCL device. This update also adds cl_khr_spirv_linkonce_odr to separately compile and link C++ programs as well as cl_khr_spirv_extended_debug_info for SPIR-V modules to use OpenCL DebugInfo.

  • Vulkan 1.2.177 Released To Help Graphics Translation Layers

    Vulkan 1.2.177 is out today as the newest version of the Vulkan specification and this time around introduces one new extension that aims to help OpenGL translation layers and potentially other implementations atop this graphics API.

    Besides the usual internal and public bug fixes, the main addition to Vulkan 1.2.177 is the VK_EXT_provoking_vertex extension. VK_EXT_provoking_vertex is for changing the provoking vertex convention from the default of the first vertex to instead the last vertex. This change is to match the OpenGL convention of using the last vertex.


    This though isn't only of relevance to desktop OpenGL but OpenGL ES and Direct3D 11 too may benefit from this extension for matching the provoking vertex convention. This extension was originally first proposed back in 2019 by a Google engineer while now has made it to the official spec.

More on 1.2.177

  • Vulkan gets a new extension to aid API-translation layers like OpenGL on top of Vulkan

    The Vulkan API has been updated once again with the latest 1.2.177 spec update available, and curiously it pulls in a new extension to help API translation layers.

    VK_EXT_provoking_vertex is the new extension worked on by the likes of Google, ARM, Valve, NVIDIA, AMD and others. This isn't the first time Vulkan has gained an extension to help a translation layer, as we've seen in the past developers who work on DXVK also help with extensions.

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