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vkd3d: Use Vulkan timeline semaphores for D3D12 fences.

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D3D12 supports signalling a fence to a lower value, while Vulkan timeline
semaphores do not. On the GPU side this is handled by simply submitting
the signal anyway, if a test for this passes on device creation, because
working around this is impractical. For CPU signals the Vulkan semaphore
is replaced with a new one at the lower value only if no waits and/or
signals are pending on the GPU. Otherwise, a fixme is emitted.

Partly based on a vkd3d-proton patch by Hans-Kristian Arntzen (not
including the handling of lower fence values).

The old implementation is used if KHR_timeline_semaphore is not
available or GPU signals do not work for a lower value.

Signed-off-by: Conor McCarthy <cmccarthy@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Conor McCarthy
2022-03-24 15:56:00 +01:00
committed by Alexandre Julliard
parent e3045090a8
commit 22d8665300
5 changed files with 663 additions and 41 deletions
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5
libs/vkd3d/vulkan_procs.h
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@@ -195,6 +195,11 @@ VK_DEVICE_EXT_PFN(vkGetDescriptorSetLayoutSupportKHR)
/* VK_KHR_push_descriptor */
VK_DEVICE_EXT_PFN(vkCmdPushDescriptorSetKHR)
/* VK_KHR_timeline_semaphore */
VK_DEVICE_EXT_PFN(vkGetSemaphoreCounterValueKHR)
VK_DEVICE_EXT_PFN(vkWaitSemaphoresKHR)
VK_DEVICE_EXT_PFN(vkSignalSemaphoreKHR)
/* VK_EXT_calibrated_timestamps */
VK_DEVICE_EXT_PFN(vkGetCalibratedTimestampsEXT)