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c/util: Query GPU LUID when possible

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Ryan Pavlik 2022-05-02 17:06:40 -05:00 committed by Jakob Bornecrantz
parent 3691d881fc
commit 63fdadae3f
2 changed files with 43 additions and 0 deletions
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37
src/xrt/compositor/util/comp_vulkan.c
View file

@ -64,6 +64,37 @@ get_device_uuid(struct vk_bundle *vk, int gpu_index, xrt_uuid_t *uuid)
return true;
}
static bool
get_device_luid(struct vk_bundle *vk, int gpu_index, xrt_uuid_t *uuid)
{
VkPhysicalDeviceIDProperties pdidp = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES,
};
VkPhysicalDeviceProperties2 pdp2 = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,
.pNext = &pdidp,
};
VkPhysicalDevice phys[16];
uint32_t gpu_count = ARRAY_SIZE(phys);
VkResult ret;
ret = vk->vkEnumeratePhysicalDevices(vk->instance, &gpu_count, phys);
if (ret != VK_SUCCESS) {
VK_ERROR_RET(vk, "vkEnumeratePhysicalDevices", "Failed to enumerate physical devices.", ret);
return false;
}
vk->vkGetPhysicalDeviceProperties2(phys[gpu_index], &pdp2);
if (pdidp.deviceLUIDValid != VK_TRUE) {
return false;
}
memcpy(uuid->data, pdidp.deviceLUID, ARRAY_SIZE(uuid->data));
return true;
}
VkResult
fill_in_results(struct vk_bundle *vk, const struct comp_vulkan_arguments *vk_args, struct comp_vulkan_results *vk_res)
{
@ -98,6 +129,12 @@ fill_in_results(struct vk_bundle *vk, const struct comp_vulkan_arguments *vk_arg
// Trailing space above, means 'to' should be right next to '%s'.
VK_DEBUG(vk, "Suggest %d with uuid: %sto clients", vk_res->client_gpu_index, uuid_str);
if (get_device_luid(vk, vk_res->client_gpu_index, &vk_res->client_gpu_deviceLUID)) {
vk_res->client_gpu_deviceLUID_valid = true;
snprint_uuid(uuid_str, ARRAY_SIZE(uuid_str), &vk_res->client_gpu_deviceLUID);
VK_DEBUG(vk, " Device LUID: %s", uuid_str);
}
} else {
VK_ERROR(vk, "Failed to get device %d uuid", vk_res->client_gpu_index);
}

6
src/xrt/compositor/util/comp_vulkan.h
View file

@ -75,6 +75,12 @@ struct comp_vulkan_results
//! Selected Vulkan device UUID to suggest to clients.
xrt_uuid_t client_gpu_deviceUUID;
//! The (Windows) LUID for the GPU device suggested for clients.
xrt_uuid_t client_gpu_deviceLUID;
//! Whether @ref client_gpu_deviceLUID is valid (probably only on Windows)
bool client_gpu_deviceLUID_valid;
};
/*!