a/vk: Pass external_[fence|samaphore]_fd status to vk_init_from_given

src/xrt/auxiliary/vk/vk_bundle_init.c

@@ -992,6 +992,8 @@ vk_init_from_given(struct vk_bundle *vk,
                    VkDevice device,
                    uint32_t queue_family_index,
                    uint32_t queue_index,
+                   bool external_fence_fd_enabled,
+                   bool external_semaphore_fd_enabled,
                    bool timeline_semaphore_enabled,
                    enum u_logging_level log_level)
 {
@@ -1022,6 +1024,15 @@ vk_init_from_given(struct vk_bundle *vk,
 	// passed a vulkan context and do not call selectPhysicalDevice()
 	vk->vkGetPhysicalDeviceMemoryProperties(vk->physical_device, &vk->device_memory_props);
 
+	// Vulkan does not let us read what extensions was enabled.
+	if (external_fence_fd_enabled) {
+		vk->has_KHR_external_fence_fd = true;
+	}
+
+	// Vulkan does not let us read what extensions was enabled.
+	if (external_semaphore_fd_enabled) {
+		vk->has_KHR_external_semaphore_fd = true;
+	}
 
 #ifdef VK_KHR_timeline_semaphore
 	/*

src/xrt/auxiliary/vk/vk_helpers.h

@@ -623,6 +623,8 @@ vk_init_from_given(struct vk_bundle *vk,
                    VkDevice device,
                    uint32_t queue_family_index,
                    uint32_t queue_index,
+                   bool external_fence_fd_enabled,
+                   bool external_semaphore_fd_enabled,
                    bool timeline_semaphore_enabled,
                    enum u_logging_level log_level);
 

src/xrt/compositor/client/comp_vk_client.c

@@ -818,6 +818,8 @@ client_vk_compositor_create(struct xrt_compositor_native *xcn,
 	    device,                     // device
 	    queueFamilyIndex,           // queue_family_index
 	    queueIndex,                 // queue_index
+	    true,                       // external_fence_fd_enabled
+	    true,                       // external_semaphore_fd_enabled
 	    timeline_semaphore_enabled, // timeline_semaphore_enabled
 	    log_level);                 // log_level
 	if (ret != VK_SUCCESS) {