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AMD releases with improved Vulkan support

AMD released three updates this week with Vulkan improvements: The 18.12.2 Radeon driver, Vulkan Memory allocator and the AMDVLK open-source Vulkan driver. The AMDVLK 2018.Q4.4 update enables some additional features to allow up to 5% performance gains for tessellation workloads, enables the atomic optimizer, updates the Vulkan headers against v1.1.94, enables primitive under estimation for VK_EXT_conservative_rasterization, and has a number of fixes. The Vulkan Memory allocator sees many major changes including the addition of structure member VmaVulkanFunctions::vkCmdCopyBuffer. And finally the Radeon Software Adrenalin 2019 Edition 18.12.2 sees improved Vulkan support with 3 new extensions: VK_EXT_inline_uniform_block, VK_KHR_swapchain_mutable_format, VK_EXT_scalar_block_layout. Additionally Sparse Support is enabled.