DXGI_ADAPTER_DESC3

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct LUID
{
    public uint LowPart;
    public int HighPart;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct DXGI_ADAPTER_DESC3
{
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)] public string Description;
    public uint VendorId;
    public uint DeviceId;
    public uint SubSysId;
    public uint Revision;
    public UIntPtr DedicatedVideoMemory;
    public UIntPtr DedicatedSystemMemory;
    public UIntPtr SharedSystemMemory;
    public LUID AdapterLuid;
    public int Flags;
    public int GraphicsPreemptionGranularity;
    public int ComputePreemptionGranularity;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure LUID
    Public LowPart As UInteger
    Public HighPart As Integer
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure DXGI_ADAPTER_DESC3
    <MarshalAs(UnmanagedType.ByValTStr, SizeConst:=128)> Public Description As String
    Public VendorId As UInteger
    Public DeviceId As UInteger
    Public SubSysId As UInteger
    Public Revision As UInteger
    Public DedicatedVideoMemory As UIntPtr
    Public DedicatedSystemMemory As UIntPtr
    Public SharedSystemMemory As UIntPtr
    Public AdapterLuid As LUID
    Public Flags As Integer
    Public GraphicsPreemptionGranularity As Integer
    Public ComputePreemptionGranularity As Integer
End Structure

import ctypes
from ctypes import wintypes

class LUID(ctypes.Structure):
    _fields_ = [
        ("LowPart", wintypes.DWORD),
        ("HighPart", ctypes.c_int),
    ]

class DXGI_ADAPTER_DESC3(ctypes.Structure):
    _fields_ = [
        ("Description", ctypes.c_wchar * 128),
        ("VendorId", wintypes.DWORD),
        ("DeviceId", wintypes.DWORD),
        ("SubSysId", wintypes.DWORD),
        ("Revision", wintypes.DWORD),
        ("DedicatedVideoMemory", ctypes.c_size_t),
        ("DedicatedSystemMemory", ctypes.c_size_t),
        ("SharedSystemMemory", ctypes.c_size_t),
        ("AdapterLuid", LUID),
        ("Flags", ctypes.c_int),
        ("GraphicsPreemptionGranularity", ctypes.c_int),
        ("ComputePreemptionGranularity", ctypes.c_int),
    ]

#[repr(C)]
pub struct LUID {
    pub LowPart: u32,
    pub HighPart: i32,
}

#[repr(C)]
pub struct DXGI_ADAPTER_DESC3 {
    pub Description: [u16; 128],
    pub VendorId: u32,
    pub DeviceId: u32,
    pub SubSysId: u32,
    pub Revision: u32,
    pub DedicatedVideoMemory: usize,
    pub DedicatedSystemMemory: usize,
    pub SharedSystemMemory: usize,
    pub AdapterLuid: LUID,
    pub Flags: i32,
    pub GraphicsPreemptionGranularity: i32,
    pub ComputePreemptionGranularity: i32,
}

import "golang.org/x/sys/windows"

type LUID struct {
	LowPart uint32
	HighPart int32
}

type DXGI_ADAPTER_DESC3 struct {
	Description [128]uint16
	VendorId uint32
	DeviceId uint32
	SubSysId uint32
	Revision uint32
	DedicatedVideoMemory uintptr
	DedicatedSystemMemory uintptr
	SharedSystemMemory uintptr
	AdapterLuid LUID
	Flags int32
	GraphicsPreemptionGranularity int32
	ComputePreemptionGranularity int32
}

type
  LUID = record
    LowPart: DWORD;
    HighPart: Integer;
  end;

  DXGI_ADAPTER_DESC3 = record
    Description: array[0..127] of WideChar;
    VendorId: DWORD;
    DeviceId: DWORD;
    SubSysId: DWORD;
    Revision: DWORD;
    DedicatedVideoMemory: NativeUInt;
    DedicatedSystemMemory: NativeUInt;
    SharedSystemMemory: NativeUInt;
    AdapterLuid: LUID;
    Flags: Integer;
    GraphicsPreemptionGranularity: Integer;
    ComputePreemptionGranularity: Integer;
  end;

const LUID = extern struct {
    LowPart: u32,
    HighPart: i32,
};

const DXGI_ADAPTER_DESC3 = extern struct {
    Description: [128]u16,
    VendorId: u32,
    DeviceId: u32,
    SubSysId: u32,
    Revision: u32,
    DedicatedVideoMemory: usize,
    DedicatedSystemMemory: usize,
    SharedSystemMemory: usize,
    AdapterLuid: LUID,
    Flags: i32,
    GraphicsPreemptionGranularity: i32,
    ComputePreemptionGranularity: i32,
};

type
  LUID {.bycopy.} = object
    LowPart: uint32
    HighPart: int32

  DXGI_ADAPTER_DESC3 {.bycopy.} = object
    Description: array[128, uint16]
    VendorId: uint32
    DeviceId: uint32
    SubSysId: uint32
    Revision: uint32
    DedicatedVideoMemory: uint
    DedicatedSystemMemory: uint
    SharedSystemMemory: uint
    AdapterLuid: LUID
    Flags: int32
    GraphicsPreemptionGranularity: int32
    ComputePreemptionGranularity: int32

struct LUID
{
    uint LowPart;
    int HighPart;
}

struct DXGI_ADAPTER_DESC3
{
    wchar[128] Description;
    uint VendorId;
    uint DeviceId;
    uint SubSysId;
    uint Revision;
    size_t DedicatedVideoMemory;
    size_t DedicatedSystemMemory;
    size_t SharedSystemMemory;
    LUID AdapterLuid;
    int Flags;
    int GraphicsPreemptionGranularity;
    int ComputePreemptionGranularity;
}