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render/vulkan: wait for DMA-BUF fences

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The Vulkan spec doesn't guarantee that the driver will wait for
implicitly synchronized client buffers before texturing from them.
radv happens to perform the wait, but anv doesn't.

Fix this by extracting implicit fences from DMA-BUFs, importing
them into Vulkan as a VkSemaphore objects, and make the render pass
wait on these VkSemaphores.
This commit is contained in:
Simon Ser 2022-12-02 19:15:16 +01:00 • committed by Simon Zeni
parent 30219cf76b
commit 8456ac6fa9
4 changed files with 119 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

8
render/vulkan/vulkan.c
View file

@ -466,9 +466,14 @@ struct wlr_vk_device *vulkan_device_create(struct wlr_vk_instance *ini,
&ext_semaphore_info, &ext_semaphore_props);
bool exportable_semaphore = ext_semaphore_props.externalSemaphoreFeatures &
VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT;
bool importable_semaphore = ext_semaphore_props.externalSemaphoreFeatures &
VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT;
if (!exportable_semaphore) {
wlr_log(WLR_DEBUG, "VkSemaphore is not exportable to a sync_file");
}
if (!importable_semaphore) {
wlr_log(WLR_DEBUG, "VkSemaphore is not importable from a sync_file");
}
bool dmabuf_sync_file_import_export = dmabuf_check_sync_file_import_export();
if (!dmabuf_sync_file_import_export) {
@ -476,7 +481,7 @@ struct wlr_vk_device *vulkan_device_create(struct wlr_vk_instance *ini,
}
dev->implicit_sync_interop =
exportable_semaphore && dmabuf_sync_file_import_export;
exportable_semaphore && importable_semaphore && dmabuf_sync_file_import_export;
if (dev->implicit_sync_interop) {
wlr_log(WLR_DEBUG, "Implicit sync interop supported");
} else {
@ -519,6 +524,7 @@ struct wlr_vk_device *vulkan_device_create(struct wlr_vk_instance *ini,
load_device_proc(dev, "vkGetSemaphoreCounterValueKHR",
&dev->api.getSemaphoreCounterValueKHR);
load_device_proc(dev, "vkGetSemaphoreFdKHR", &dev->api.getSemaphoreFdKHR);
load_device_proc(dev, "vkImportSemaphoreFdKHR", &dev->api.importSemaphoreFdKHR);
// - check device format support -
size_t max_fmts;