D3D11_BLEND_DESC1

using System;
using System.Runtime.InteropServices;

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct D3D11_RENDER_TARGET_BLEND_DESC1
{
    [MarshalAs(UnmanagedType.Bool)] public bool BlendEnable;
    [MarshalAs(UnmanagedType.Bool)] public bool LogicOpEnable;
    public int SrcBlend;
    public int DestBlend;
    public int BlendOp;
    public int SrcBlendAlpha;
    public int DestBlendAlpha;
    public int BlendOpAlpha;
    public int LogicOp;
    public byte RenderTargetWriteMask;
}

[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct D3D11_BLEND_DESC1
{
    [MarshalAs(UnmanagedType.Bool)] public bool AlphaToCoverageEnable;
    [MarshalAs(UnmanagedType.Bool)] public bool IndependentBlendEnable;
    [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)] public D3D11_RENDER_TARGET_BLEND_DESC1[] RenderTarget;
}

Imports System.Runtime.InteropServices

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure D3D11_RENDER_TARGET_BLEND_DESC1
    <MarshalAs(UnmanagedType.Bool)> Public BlendEnable As Boolean
    <MarshalAs(UnmanagedType.Bool)> Public LogicOpEnable As Boolean
    Public SrcBlend As Integer
    Public DestBlend As Integer
    Public BlendOp As Integer
    Public SrcBlendAlpha As Integer
    Public DestBlendAlpha As Integer
    Public BlendOpAlpha As Integer
    Public LogicOp As Integer
    Public RenderTargetWriteMask As Byte
End Structure

<StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Unicode)>
Public Structure D3D11_BLEND_DESC1
    <MarshalAs(UnmanagedType.Bool)> Public AlphaToCoverageEnable As Boolean
    <MarshalAs(UnmanagedType.Bool)> Public IndependentBlendEnable As Boolean
    <MarshalAs(UnmanagedType.ByValArray, SizeConst:=8)> Public RenderTarget() As D3D11_RENDER_TARGET_BLEND_DESC1
End Structure

import ctypes
from ctypes import wintypes

class D3D11_RENDER_TARGET_BLEND_DESC1(ctypes.Structure):
    _fields_ = [
        ("BlendEnable", wintypes.BOOL),
        ("LogicOpEnable", wintypes.BOOL),
        ("SrcBlend", ctypes.c_int),
        ("DestBlend", ctypes.c_int),
        ("BlendOp", ctypes.c_int),
        ("SrcBlendAlpha", ctypes.c_int),
        ("DestBlendAlpha", ctypes.c_int),
        ("BlendOpAlpha", ctypes.c_int),
        ("LogicOp", ctypes.c_int),
        ("RenderTargetWriteMask", ctypes.c_ubyte),
    ]

class D3D11_BLEND_DESC1(ctypes.Structure):
    _fields_ = [
        ("AlphaToCoverageEnable", wintypes.BOOL),
        ("IndependentBlendEnable", wintypes.BOOL),
        ("RenderTarget", D3D11_RENDER_TARGET_BLEND_DESC1 * 8),
    ]

#[repr(C)]
pub struct D3D11_RENDER_TARGET_BLEND_DESC1 {
    pub BlendEnable: i32,
    pub LogicOpEnable: i32,
    pub SrcBlend: i32,
    pub DestBlend: i32,
    pub BlendOp: i32,
    pub SrcBlendAlpha: i32,
    pub DestBlendAlpha: i32,
    pub BlendOpAlpha: i32,
    pub LogicOp: i32,
    pub RenderTargetWriteMask: u8,
}

#[repr(C)]
pub struct D3D11_BLEND_DESC1 {
    pub AlphaToCoverageEnable: i32,
    pub IndependentBlendEnable: i32,
    pub RenderTarget: [D3D11_RENDER_TARGET_BLEND_DESC1; 8],
}

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

type D3D11_RENDER_TARGET_BLEND_DESC1 struct {
	BlendEnable int32
	LogicOpEnable int32
	SrcBlend int32
	DestBlend int32
	BlendOp int32
	SrcBlendAlpha int32
	DestBlendAlpha int32
	BlendOpAlpha int32
	LogicOp int32
	RenderTargetWriteMask byte
}

type D3D11_BLEND_DESC1 struct {
	AlphaToCoverageEnable int32
	IndependentBlendEnable int32
	RenderTarget [8]D3D11_RENDER_TARGET_BLEND_DESC1
}

type
  D3D11_RENDER_TARGET_BLEND_DESC1 = record
    BlendEnable: BOOL;
    LogicOpEnable: BOOL;
    SrcBlend: Integer;
    DestBlend: Integer;
    BlendOp: Integer;
    SrcBlendAlpha: Integer;
    DestBlendAlpha: Integer;
    BlendOpAlpha: Integer;
    LogicOp: Integer;
    RenderTargetWriteMask: Byte;
  end;

  D3D11_BLEND_DESC1 = record
    AlphaToCoverageEnable: BOOL;
    IndependentBlendEnable: BOOL;
    RenderTarget: array[0..7] of D3D11_RENDER_TARGET_BLEND_DESC1;
  end;

const D3D11_RENDER_TARGET_BLEND_DESC1 = extern struct {
    BlendEnable: i32,
    LogicOpEnable: i32,
    SrcBlend: i32,
    DestBlend: i32,
    BlendOp: i32,
    SrcBlendAlpha: i32,
    DestBlendAlpha: i32,
    BlendOpAlpha: i32,
    LogicOp: i32,
    RenderTargetWriteMask: u8,
};

const D3D11_BLEND_DESC1 = extern struct {
    AlphaToCoverageEnable: i32,
    IndependentBlendEnable: i32,
    RenderTarget: [8]D3D11_RENDER_TARGET_BLEND_DESC1,
};

type
  D3D11_RENDER_TARGET_BLEND_DESC1 {.bycopy.} = object
    BlendEnable: int32
    LogicOpEnable: int32
    SrcBlend: int32
    DestBlend: int32
    BlendOp: int32
    SrcBlendAlpha: int32
    DestBlendAlpha: int32
    BlendOpAlpha: int32
    LogicOp: int32
    RenderTargetWriteMask: uint8

  D3D11_BLEND_DESC1 {.bycopy.} = object
    AlphaToCoverageEnable: int32
    IndependentBlendEnable: int32
    RenderTarget: array[8, D3D11_RENDER_TARGET_BLEND_DESC1]

struct D3D11_RENDER_TARGET_BLEND_DESC1
{
    int BlendEnable;
    int LogicOpEnable;
    int SrcBlend;
    int DestBlend;
    int BlendOp;
    int SrcBlendAlpha;
    int DestBlendAlpha;
    int BlendOpAlpha;
    int LogicOp;
    ubyte RenderTargetWriteMask;
}

struct D3D11_BLEND_DESC1
{
    int AlphaToCoverageEnable;
    int IndependentBlendEnable;
    D3D11_RENDER_TARGET_BLEND_DESC1[8] RenderTarget;
}