// WARNING: DO NOT MODIFY! This file is automatically generated from the vk.xml registry .Valid Usage (Implicit) **** * [[VUID-vkEnumeratePhysicalDevices-instance-parameter]] pname:instance must: be a valid sname:VkInstance handle * [[VUID-vkEnumeratePhysicalDevices-pPhysicalDeviceCount-parameter]] pname:pPhysicalDeviceCount must: be a valid pointer to a basetype:uint32_t value * [[VUID-vkEnumeratePhysicalDevices-pPhysicalDevices-parameter]] If the value referenced by pname:pPhysicalDeviceCount is not `0`, and pname:pPhysicalDevices is not `NULL`, pname:pPhysicalDevices must: be a valid pointer to an array of pname:pPhysicalDeviceCount sname:VkPhysicalDevice handles **** .Return Codes **** ifndef::doctype-manpage[] <>:: endif::doctype-manpage[] ifdef::doctype-manpage[] On success, this command returns:: endif::doctype-manpage[] * ename:VK_SUCCESS * ename:VK_INCOMPLETE ifndef::doctype-manpage[] <>:: endif::doctype-manpage[] ifdef::doctype-manpage[] On failure, this command returns:: endif::doctype-manpage[] * ename:VK_ERROR_OUT_OF_HOST_MEMORY * ename:VK_ERROR_OUT_OF_DEVICE_MEMORY * ename:VK_ERROR_INITIALIZATION_FAILED ****