The open source OpenXR runtime
c/util: Query GPU LUID when possible
authored by
Ryan Pavlik
and committed by
Jakob Bornecrantz
63fdadae
3691d881
+43
+37
src/xrt/compositor/util/comp_vulkan.c
+37
src/xrt/compositor/util/comp_vulkan.c
···
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return true;
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}
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static bool
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get_device_luid(struct vk_bundle *vk, int gpu_index, xrt_uuid_t *uuid)
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{
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VkPhysicalDeviceIDProperties pdidp = {
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.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ID_PROPERTIES,
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};
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VkPhysicalDeviceProperties2 pdp2 = {
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.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2,
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.pNext = &pdidp,
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};
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VkPhysicalDevice phys[16];
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uint32_t gpu_count = ARRAY_SIZE(phys);
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VkResult ret;
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ret = vk->vkEnumeratePhysicalDevices(vk->instance, &gpu_count, phys);
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if (ret != VK_SUCCESS) {
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VK_ERROR_RET(vk, "vkEnumeratePhysicalDevices", "Failed to enumerate physical devices.", ret);
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return false;
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}
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vk->vkGetPhysicalDeviceProperties2(phys[gpu_index], &pdp2);
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if (pdidp.deviceLUIDValid != VK_TRUE) {
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return false;
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}
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memcpy(uuid->data, pdidp.deviceLUID, ARRAY_SIZE(uuid->data));
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return true;
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}
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VkResult
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fill_in_results(struct vk_bundle *vk, const struct comp_vulkan_arguments *vk_args, struct comp_vulkan_results *vk_res)
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{
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// Trailing space above, means 'to' should be right next to '%s'.
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VK_DEBUG(vk, "Suggest %d with uuid: %sto clients", vk_res->client_gpu_index, uuid_str);
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if (get_device_luid(vk, vk_res->client_gpu_index, &vk_res->client_gpu_deviceLUID)) {
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vk_res->client_gpu_deviceLUID_valid = true;
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snprint_uuid(uuid_str, ARRAY_SIZE(uuid_str), &vk_res->client_gpu_deviceLUID);
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VK_DEBUG(vk, " Device LUID: %s", uuid_str);
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}
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} else {
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VK_ERROR(vk, "Failed to get device %d uuid", vk_res->client_gpu_index);
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}
+6
src/xrt/compositor/util/comp_vulkan.h
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src/xrt/compositor/util/comp_vulkan.h
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//! Selected Vulkan device UUID to suggest to clients.
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xrt_uuid_t client_gpu_deviceUUID;
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//! The (Windows) LUID for the GPU device suggested for clients.
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xrt_uuid_t client_gpu_deviceLUID;
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//! Whether @ref client_gpu_deviceLUID is valid (probably only on Windows)
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bool client_gpu_deviceLUID_valid;
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};
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/*!