This patch series implements VK_EXT_queue_global_priority, a vulkan extension that focuses on providing scheduling guarantees. For further information on the use case refer to: https://lists.freedesktop.org/archives/amd-gfx/2016-December/004068.html For some perf data on this initial implementation: https://lists.freedesktop.org/archives/amd-gfx/2016-December/004257.html Test apps available at: https://github.com/lostgoat/Vulkan Related amdgpu and libdrm_amdgpu patches can be found on the amd-gfx mailing list. Additionaly, results for vk-cts -n *semaphore* on an RX480: Test run totals: Passed: 1821/4046 (45.0%) Failed: 0/4046 (0.0%) Not supported: 2225/4046 (55.0%) Warnings: 0/4046 (0.0%)
