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MFCreateD3D12SynchronizationObject

関数
Direct3D12デバイス用の同期オブジェクトを生成する。
DLLMFPlat.dll呼出規約winapi
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シグネチャ

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

HRESULT MFCreateD3D12SynchronizationObject(
    ID3D12Device* pDevice,
    const GUID* riid,
    void** ppvSyncObject
);

パラメーター

名前型方向説明
pDeviceID3D12Device*in同期オブジェクトを生成する対象の ID3D12Device ポインタ。
riidGUID*in要求する同期オブジェクトインターフェイスの識別子 GUID への参照。
ppvSyncObjectvoid**out生成された同期オブジェクトを受け取る出力ポインタ。riid に対応する型で返る。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT MFCreateD3D12SynchronizationObject(
    ID3D12Device* pDevice,
    const GUID* riid,
    void** ppvSyncObject
);
[DllImport("MFPlat.dll", ExactSpelling = true)]
static extern int MFCreateD3D12SynchronizationObject(
    IntPtr pDevice,   // ID3D12Device*
    ref Guid riid,   // GUID*
    IntPtr ppvSyncObject   // void** out
);
<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFCreateD3D12SynchronizationObject(
    pDevice As IntPtr,   ' ID3D12Device*
    ByRef riid As Guid,   ' GUID*
    ppvSyncObject As IntPtr   ' void** out
) As Integer
End Function
' pDevice : ID3D12Device*
' riid : GUID*
' ppvSyncObject : void** out
Declare PtrSafe Function MFCreateD3D12SynchronizationObject Lib "mfplat" ( _
    ByVal pDevice As LongPtr, _
    ByVal riid As LongPtr, _
    ByVal ppvSyncObject 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

MFCreateD3D12SynchronizationObject = ctypes.windll.mfplat.MFCreateD3D12SynchronizationObject
MFCreateD3D12SynchronizationObject.restype = ctypes.c_int
MFCreateD3D12SynchronizationObject.argtypes = [
    ctypes.c_void_p,  # pDevice : ID3D12Device*
    ctypes.c_void_p,  # riid : GUID*
    ctypes.c_void_p,  # ppvSyncObject : void** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFCreateD3D12SynchronizationObject = Fiddle::Function.new(
  lib['MFCreateD3D12SynchronizationObject'],
  [
    Fiddle::TYPE_VOIDP,  # pDevice : ID3D12Device*
    Fiddle::TYPE_VOIDP,  # riid : GUID*
    Fiddle::TYPE_VOIDP,  # ppvSyncObject : void** out
  ],
  Fiddle::TYPE_INT)
#[link(name = "mfplat")]
extern "system" {
    fn MFCreateD3D12SynchronizationObject(
        pDevice: *mut core::ffi::c_void,  // ID3D12Device*
        riid: *const GUID,  // GUID*
        ppvSyncObject: *mut *mut ()  // void** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFCreateD3D12SynchronizationObject(IntPtr pDevice, ref Guid riid, IntPtr ppvSyncObject);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFCreateD3D12SynchronizationObject' -Namespace Win32 -PassThru
# $api::MFCreateD3D12SynchronizationObject(pDevice, riid, ppvSyncObject)
#uselib "MFPlat.dll"
#func global MFCreateD3D12SynchronizationObject "MFCreateD3D12SynchronizationObject" sptr, sptr, sptr
; MFCreateD3D12SynchronizationObject pDevice, varptr(riid), ppvSyncObject   ; 戻り値は stat
; pDevice : ID3D12Device* -> "sptr"
; riid : GUID* -> "sptr"
; ppvSyncObject : void** 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。
出力引数: 
#uselib "MFPlat.dll"
#cfunc global MFCreateD3D12SynchronizationObject "MFCreateD3D12SynchronizationObject" sptr, var, sptr
; res = MFCreateD3D12SynchronizationObject(pDevice, riid, ppvSyncObject)
; pDevice : ID3D12Device* -> "sptr"
; riid : GUID* -> "var"
; ppvSyncObject : void** out -> "sptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
出力引数: 
; HRESULT MFCreateD3D12SynchronizationObject(ID3D12Device* pDevice, GUID* riid, void** ppvSyncObject)
#uselib "MFPlat.dll"
#cfunc global MFCreateD3D12SynchronizationObject "MFCreateD3D12SynchronizationObject" intptr, var, intptr
; res = MFCreateD3D12SynchronizationObject(pDevice, riid, ppvSyncObject)
; pDevice : ID3D12Device* -> "intptr"
; riid : GUID* -> "var"
; ppvSyncObject : void** out -> "intptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	mfplat = windows.NewLazySystemDLL("MFPlat.dll")
	procMFCreateD3D12SynchronizationObject = mfplat.NewProc("MFCreateD3D12SynchronizationObject")
)

// pDevice (ID3D12Device*), riid (GUID*), ppvSyncObject (void** out)
r1, _, err := procMFCreateD3D12SynchronizationObject.Call(
	uintptr(pDevice),
	uintptr(riid),
	uintptr(ppvSyncObject),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function MFCreateD3D12SynchronizationObject(
  pDevice: Pointer;   // ID3D12Device*
  riid: PGUID;   // GUID*
  ppvSyncObject: Pointer   // void** out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFCreateD3D12SynchronizationObject';
result := DllCall("MFPlat\MFCreateD3D12SynchronizationObject"
    , "Ptr", pDevice   ; ID3D12Device*
    , "Ptr", riid   ; GUID*
    , "Ptr", ppvSyncObject   ; void** out
    , "Int")   ; return: HRESULT
●MFCreateD3D12SynchronizationObject(pDevice, riid, ppvSyncObject) = DLL("MFPlat.dll", "int MFCreateD3D12SynchronizationObject(void*, void*, void*)")
# 呼び出し: MFCreateD3D12SynchronizationObject(pDevice, riid, ppvSyncObject)
# pDevice : ID3D12Device* -> "void*"
# riid : GUID* -> "void*"
# ppvSyncObject : void** 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)。