D3D12SerializeRootSignature

// d3d12.dll
#include <windows.h>

HRESULT D3D12SerializeRootSignature(
    const D3D12_ROOT_SIGNATURE_DESC* pRootSignature,
    D3D_ROOT_SIGNATURE_VERSION Version,
    ID3DBlob** ppBlob,
    ID3DBlob** ppErrorBlob   // optional
);

<DllImport("d3d12.dll", ExactSpelling:=True)>
Public Shared Function D3D12SerializeRootSignature(
    pRootSignature As IntPtr,   ' D3D12_ROOT_SIGNATURE_DESC*
    Version As Integer,   ' D3D_ROOT_SIGNATURE_VERSION
    ppBlob As IntPtr,   ' ID3DBlob** out
    ppErrorBlob As IntPtr   ' ID3DBlob** optional, out
) As Integer
End Function

' pRootSignature : D3D12_ROOT_SIGNATURE_DESC*
' Version : D3D_ROOT_SIGNATURE_VERSION
' ppBlob : ID3DBlob** out
' ppErrorBlob : ID3DBlob** optional, out
Declare PtrSafe Function D3D12SerializeRootSignature Lib "d3d12" ( _
    ByVal pRootSignature As LongPtr, _
    ByVal Version As Long, _
    ByVal ppBlob As LongPtr, _
    ByVal ppErrorBlob As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

D3D12SerializeRootSignature = ctypes.windll.d3d12.D3D12SerializeRootSignature
D3D12SerializeRootSignature.restype = ctypes.c_int
D3D12SerializeRootSignature.argtypes = [
    ctypes.c_void_p,  # pRootSignature : D3D12_ROOT_SIGNATURE_DESC*
    ctypes.c_int,  # Version : D3D_ROOT_SIGNATURE_VERSION
    ctypes.c_void_p,  # ppBlob : ID3DBlob** out
    ctypes.c_void_p,  # ppErrorBlob : ID3DBlob** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('d3d12.dll')
D3D12SerializeRootSignature = Fiddle::Function.new(
  lib['D3D12SerializeRootSignature'],
  [
    Fiddle::TYPE_VOIDP,  # pRootSignature : D3D12_ROOT_SIGNATURE_DESC*
    Fiddle::TYPE_INT,  # Version : D3D_ROOT_SIGNATURE_VERSION
    Fiddle::TYPE_VOIDP,  # ppBlob : ID3DBlob** out
    Fiddle::TYPE_VOIDP,  # ppErrorBlob : ID3DBlob** optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "d3d12")]
extern "system" {
    fn D3D12SerializeRootSignature(
        pRootSignature: *const D3D12_ROOT_SIGNATURE_DESC,  // D3D12_ROOT_SIGNATURE_DESC*
        Version: i32,  // D3D_ROOT_SIGNATURE_VERSION
        ppBlob: *mut *mut core::ffi::c_void,  // ID3DBlob** out
        ppErrorBlob: *mut *mut core::ffi::c_void  // ID3DBlob** optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("d3d12.dll")]
public static extern int D3D12SerializeRootSignature(IntPtr pRootSignature, int Version, IntPtr ppBlob, IntPtr ppErrorBlob);
"@
$api = Add-Type -MemberDefinition $sig -Name 'd3d12_D3D12SerializeRootSignature' -Namespace Win32 -PassThru
# $api::D3D12SerializeRootSignature(pRootSignature, Version, ppBlob, ppErrorBlob)

#uselib "d3d12.dll"
#func global D3D12SerializeRootSignature "D3D12SerializeRootSignature" sptr, sptr, sptr, sptr
; D3D12SerializeRootSignature varptr(pRootSignature), Version, ppBlob, ppErrorBlob   ; 戻り値は stat
; pRootSignature : D3D12_ROOT_SIGNATURE_DESC* -> "sptr"
; Version : D3D_ROOT_SIGNATURE_VERSION -> "sptr"
; ppBlob : ID3DBlob** out -> "sptr"
; ppErrorBlob : ID3DBlob** optional, out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	d3d12 = windows.NewLazySystemDLL("d3d12.dll")
	procD3D12SerializeRootSignature = d3d12.NewProc("D3D12SerializeRootSignature")
)

// pRootSignature (D3D12_ROOT_SIGNATURE_DESC*), Version (D3D_ROOT_SIGNATURE_VERSION), ppBlob (ID3DBlob** out), ppErrorBlob (ID3DBlob** optional, out)
r1, _, err := procD3D12SerializeRootSignature.Call(
	uintptr(pRootSignature),
	uintptr(Version),
	uintptr(ppBlob),
	uintptr(ppErrorBlob),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function D3D12SerializeRootSignature(
  pRootSignature: Pointer;   // D3D12_ROOT_SIGNATURE_DESC*
  Version: Integer;   // D3D_ROOT_SIGNATURE_VERSION
  ppBlob: Pointer;   // ID3DBlob** out
  ppErrorBlob: Pointer   // ID3DBlob** optional, out
): Integer; stdcall;
  external 'd3d12.dll' name 'D3D12SerializeRootSignature';

result := DllCall("d3d12\D3D12SerializeRootSignature"
    , "Ptr", pRootSignature   ; D3D12_ROOT_SIGNATURE_DESC*
    , "Int", Version   ; D3D_ROOT_SIGNATURE_VERSION
    , "Ptr", ppBlob   ; ID3DBlob** out
    , "Ptr", ppErrorBlob   ; ID3DBlob** optional, out
    , "Int")   ; return: HRESULT

●D3D12SerializeRootSignature(pRootSignature, Version, ppBlob, ppErrorBlob) = DLL("d3d12.dll", "int D3D12SerializeRootSignature(void*, int, void*, void*)")
# 呼び出し: D3D12SerializeRootSignature(pRootSignature, Version, ppBlob, ppErrorBlob)
# pRootSignature : D3D12_ROOT_SIGNATURE_DESC* -> "void*"
# Version : D3D_ROOT_SIGNATURE_VERSION -> "int"
# ppBlob : ID3DBlob** out -> "void*"
# ppErrorBlob : ID3DBlob** optional, out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "d3d12" fn D3D12SerializeRootSignature(
    pRootSignature: [*c]D3D12_ROOT_SIGNATURE_DESC, // D3D12_ROOT_SIGNATURE_DESC*
    Version: i32, // D3D_ROOT_SIGNATURE_VERSION
    ppBlob: ?*anyopaque, // ID3DBlob** out
    ppErrorBlob: ?*anyopaque // ID3DBlob** optional, out
) callconv(std.os.windows.WINAPI) i32;

proc D3D12SerializeRootSignature(
    pRootSignature: ptr D3D12_ROOT_SIGNATURE_DESC,  # D3D12_ROOT_SIGNATURE_DESC*
    Version: int32,  # D3D_ROOT_SIGNATURE_VERSION
    ppBlob: pointer,  # ID3DBlob** out
    ppErrorBlob: pointer  # ID3DBlob** optional, out
): int32 {.importc: "D3D12SerializeRootSignature", stdcall, dynlib: "d3d12.dll".}

pragma(lib, "d3d12");
extern(Windows)
int D3D12SerializeRootSignature(
    D3D12_ROOT_SIGNATURE_DESC* pRootSignature,   // D3D12_ROOT_SIGNATURE_DESC*
    int Version,   // D3D_ROOT_SIGNATURE_VERSION
    void* ppBlob,   // ID3DBlob** out
    void* ppErrorBlob   // ID3DBlob** optional, out
);

ccall((:D3D12SerializeRootSignature, "d3d12.dll"), stdcall, Int32,
      (Ptr{D3D12_ROOT_SIGNATURE_DESC}, Int32, Ptr{Cvoid}, Ptr{Cvoid}),
      pRootSignature, Version, ppBlob, ppErrorBlob)
# pRootSignature : D3D12_ROOT_SIGNATURE_DESC* -> Ptr{D3D12_ROOT_SIGNATURE_DESC}
# Version : D3D_ROOT_SIGNATURE_VERSION -> Int32
# ppBlob : ID3DBlob** out -> Ptr{Cvoid}
# ppErrorBlob : ID3DBlob** optional, out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t D3D12SerializeRootSignature(
    void* pRootSignature,
    int32_t Version,
    void* ppBlob,
    void* ppErrorBlob);
]]
local d3d12 = ffi.load("d3d12")
-- d3d12.D3D12SerializeRootSignature(pRootSignature, Version, ppBlob, ppErrorBlob)
-- pRootSignature : D3D12_ROOT_SIGNATURE_DESC*
-- Version : D3D_ROOT_SIGNATURE_VERSION
-- ppBlob : ID3DBlob** out
-- ppErrorBlob : ID3DBlob** optional, out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('d3d12.dll');
const D3D12SerializeRootSignature = lib.func('__stdcall', 'D3D12SerializeRootSignature', 'int32_t', ['void *', 'int32_t', 'void *', 'void *']);
// D3D12SerializeRootSignature(pRootSignature, Version, ppBlob, ppErrorBlob)
// pRootSignature : D3D12_ROOT_SIGNATURE_DESC* -> 'void *'
// Version : D3D_ROOT_SIGNATURE_VERSION -> 'int32_t'
// ppBlob : ID3DBlob** out -> 'void *'
// ppErrorBlob : ID3DBlob** optional, out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("d3d12.dll", {
  D3D12SerializeRootSignature: { parameters: ["pointer", "i32", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.D3D12SerializeRootSignature(pRootSignature, Version, ppBlob, ppErrorBlob)
// pRootSignature : D3D12_ROOT_SIGNATURE_DESC* -> "pointer"
// Version : D3D_ROOT_SIGNATURE_VERSION -> "i32"
// ppBlob : ID3DBlob** out -> "pointer"
// ppErrorBlob : ID3DBlob** optional, out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t D3D12SerializeRootSignature(
    void* pRootSignature,
    int32_t Version,
    void* ppBlob,
    void* ppErrorBlob);
C, "d3d12.dll");
// $ffi->D3D12SerializeRootSignature(pRootSignature, Version, ppBlob, ppErrorBlob);
// pRootSignature : D3D12_ROOT_SIGNATURE_DESC*
// Version : D3D_ROOT_SIGNATURE_VERSION
// ppBlob : ID3DBlob** out
// ppErrorBlob : ID3DBlob** optional, out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface D3d12 extends StdCallLibrary {
    D3d12 INSTANCE = Native.load("d3d12", D3d12.class);
    int D3D12SerializeRootSignature(
        Pointer pRootSignature,   // D3D12_ROOT_SIGNATURE_DESC*
        int Version,   // D3D_ROOT_SIGNATURE_VERSION
        Pointer ppBlob,   // ID3DBlob** out
        Pointer ppErrorBlob   // ID3DBlob** optional, out
    );
}

@[Link("d3d12")]
lib Libd3d12
  fun D3D12SerializeRootSignature = D3D12SerializeRootSignature(
    pRootSignature : D3D12_ROOT_SIGNATURE_DESC*,   # D3D12_ROOT_SIGNATURE_DESC*
    Version : Int32,   # D3D_ROOT_SIGNATURE_VERSION
    ppBlob : Void*,   # ID3DBlob** out
    ppErrorBlob : Void*   # ID3DBlob** optional, out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef D3D12SerializeRootSignatureNative = Int32 Function(Pointer<Void>, Int32, Pointer<Void>, Pointer<Void>);
typedef D3D12SerializeRootSignatureDart = int Function(Pointer<Void>, int, Pointer<Void>, Pointer<Void>);
final D3D12SerializeRootSignature = DynamicLibrary.open('d3d12.dll')
    .lookupFunction<D3D12SerializeRootSignatureNative, D3D12SerializeRootSignatureDart>('D3D12SerializeRootSignature');
// pRootSignature : D3D12_ROOT_SIGNATURE_DESC* -> Pointer<Void>
// Version : D3D_ROOT_SIGNATURE_VERSION -> Int32
// ppBlob : ID3DBlob** out -> Pointer<Void>
// ppErrorBlob : ID3DBlob** optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function D3D12SerializeRootSignature(
  pRootSignature: Pointer;   // D3D12_ROOT_SIGNATURE_DESC*
  Version: Integer;   // D3D_ROOT_SIGNATURE_VERSION
  ppBlob: Pointer;   // ID3DBlob** out
  ppErrorBlob: Pointer   // ID3DBlob** optional, out
): Integer; stdcall;
  external 'd3d12.dll' name 'D3D12SerializeRootSignature';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "D3D12SerializeRootSignature"
  c_D3D12SerializeRootSignature :: Ptr () -> Int32 -> Ptr () -> Ptr () -> IO Int32
-- pRootSignature : D3D12_ROOT_SIGNATURE_DESC* -> Ptr ()
-- Version : D3D_ROOT_SIGNATURE_VERSION -> Int32
-- ppBlob : ID3DBlob** out -> Ptr ()
-- ppErrorBlob : ID3DBlob** optional, out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let d3d12serializerootsignature =
  foreign "D3D12SerializeRootSignature"
    ((ptr void) @-> int32_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pRootSignature : D3D12_ROOT_SIGNATURE_DESC* -> (ptr void) *)
(* Version : D3D_ROOT_SIGNATURE_VERSION -> int32_t *)
(* ppBlob : ID3DBlob** out -> (ptr void) *)
(* ppErrorBlob : ID3DBlob** optional, out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library d3d12 (t "d3d12.dll"))
(cffi:use-foreign-library d3d12)

(cffi:defcfun ("D3D12SerializeRootSignature" d3-d12-serialize-root-signature :convention :stdcall) :int32
  (p-root-signature :pointer)   ; D3D12_ROOT_SIGNATURE_DESC*
  (version :int32)   ; D3D_ROOT_SIGNATURE_VERSION
  (pp-blob :pointer)   ; ID3DBlob** out
  (pp-error-blob :pointer))   ; ID3DBlob** optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $D3D12SerializeRootSignature = Win32::API::More->new('d3d12',
    'int D3D12SerializeRootSignature(LPVOID pRootSignature, int Version, LPVOID ppBlob, LPVOID ppErrorBlob)');
# my $ret = $D3D12SerializeRootSignature->Call($pRootSignature, $Version, $ppBlob, $ppErrorBlob);
# pRootSignature : D3D12_ROOT_SIGNATURE_DESC* -> LPVOID
# Version : D3D_ROOT_SIGNATURE_VERSION -> int
# ppBlob : ID3DBlob** out -> LPVOID
# ppErrorBlob : ID3DBlob** optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。