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MFGetDXGIDeviceManageMode

関数
DXGIデバイスマネージャーの管理モードを取得する。
DLLMFPlat.dll呼出規約winapi

シグネチャ

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

HRESULT MFGetDXGIDeviceManageMode(
    IUnknown* pDeviceManager,
    MF_DXGI_DEVICE_MANAGER_MODE* mode
);

パラメーター

名前型方向説明
pDeviceManagerIUnknown*inモードを問い合わせる対象デバイスマネージャの IUnknown ポインタ。
modeMF_DXGI_DEVICE_MANAGER_MODE*out取得した管理モードを受け取る MF_DXGI_DEVICE_MANAGER_MODE 出力ポインタ。

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT MFGetDXGIDeviceManageMode(
    IUnknown* pDeviceManager,
    MF_DXGI_DEVICE_MANAGER_MODE* mode
);
[DllImport("MFPlat.dll", ExactSpelling = true)]
static extern int MFGetDXGIDeviceManageMode(
    IntPtr pDeviceManager,   // IUnknown*
    out int mode   // MF_DXGI_DEVICE_MANAGER_MODE* out
);
<DllImport("MFPlat.dll", ExactSpelling:=True)>
Public Shared Function MFGetDXGIDeviceManageMode(
    pDeviceManager As IntPtr,   ' IUnknown*
    <Out> ByRef mode As Integer   ' MF_DXGI_DEVICE_MANAGER_MODE* out
) As Integer
End Function
' pDeviceManager : IUnknown*
' mode : MF_DXGI_DEVICE_MANAGER_MODE* out
Declare PtrSafe Function MFGetDXGIDeviceManageMode Lib "mfplat" ( _
    ByVal pDeviceManager As LongPtr, _
    ByRef mode As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

MFGetDXGIDeviceManageMode = ctypes.windll.mfplat.MFGetDXGIDeviceManageMode
MFGetDXGIDeviceManageMode.restype = ctypes.c_int
MFGetDXGIDeviceManageMode.argtypes = [
    ctypes.c_void_p,  # pDeviceManager : IUnknown*
    ctypes.c_void_p,  # mode : MF_DXGI_DEVICE_MANAGER_MODE* out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('MFPlat.dll')
MFGetDXGIDeviceManageMode = Fiddle::Function.new(
  lib['MFGetDXGIDeviceManageMode'],
  [
    Fiddle::TYPE_VOIDP,  # pDeviceManager : IUnknown*
    Fiddle::TYPE_VOIDP,  # mode : MF_DXGI_DEVICE_MANAGER_MODE* out
  ],
  Fiddle::TYPE_INT)
#[link(name = "mfplat")]
extern "system" {
    fn MFGetDXGIDeviceManageMode(
        pDeviceManager: *mut core::ffi::c_void,  // IUnknown*
        mode: *mut i32  // MF_DXGI_DEVICE_MANAGER_MODE* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("MFPlat.dll")]
public static extern int MFGetDXGIDeviceManageMode(IntPtr pDeviceManager, out int mode);
"@
$api = Add-Type -MemberDefinition $sig -Name 'MFPlat_MFGetDXGIDeviceManageMode' -Namespace Win32 -PassThru
# $api::MFGetDXGIDeviceManageMode(pDeviceManager, mode)
#uselib "MFPlat.dll"
#func global MFGetDXGIDeviceManageMode "MFGetDXGIDeviceManageMode" sptr, sptr
; MFGetDXGIDeviceManageMode pDeviceManager, varptr(mode)   ; 戻り値は stat
; pDeviceManager : IUnknown* -> "sptr"
; mode : MF_DXGI_DEVICE_MANAGER_MODE* 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 MFGetDXGIDeviceManageMode "MFGetDXGIDeviceManageMode" sptr, var
; res = MFGetDXGIDeviceManageMode(pDeviceManager, mode)
; pDeviceManager : IUnknown* -> "sptr"
; mode : MF_DXGI_DEVICE_MANAGER_MODE* out -> "var"
; ※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 MFGetDXGIDeviceManageMode(IUnknown* pDeviceManager, MF_DXGI_DEVICE_MANAGER_MODE* mode)
#uselib "MFPlat.dll"
#cfunc global MFGetDXGIDeviceManageMode "MFGetDXGIDeviceManageMode" intptr, var
; res = MFGetDXGIDeviceManageMode(pDeviceManager, mode)
; pDeviceManager : IUnknown* -> "intptr"
; mode : MF_DXGI_DEVICE_MANAGER_MODE* out -> "var"
; ※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")
	procMFGetDXGIDeviceManageMode = mfplat.NewProc("MFGetDXGIDeviceManageMode")
)

// pDeviceManager (IUnknown*), mode (MF_DXGI_DEVICE_MANAGER_MODE* out)
r1, _, err := procMFGetDXGIDeviceManageMode.Call(
	uintptr(pDeviceManager),
	uintptr(mode),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function MFGetDXGIDeviceManageMode(
  pDeviceManager: Pointer;   // IUnknown*
  mode: Pointer   // MF_DXGI_DEVICE_MANAGER_MODE* out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFGetDXGIDeviceManageMode';
result := DllCall("MFPlat\MFGetDXGIDeviceManageMode"
    , "Ptr", pDeviceManager   ; IUnknown*
    , "Ptr", mode   ; MF_DXGI_DEVICE_MANAGER_MODE* out
    , "Int")   ; return: HRESULT
●MFGetDXGIDeviceManageMode(pDeviceManager, mode) = DLL("MFPlat.dll", "int MFGetDXGIDeviceManageMode(void*, void*)")
# 呼び出し: MFGetDXGIDeviceManageMode(pDeviceManager, mode)
# pDeviceManager : IUnknown* -> "void*"
# mode : MF_DXGI_DEVICE_MANAGER_MODE* 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 "mfplat" fn MFGetDXGIDeviceManageMode(
    pDeviceManager: ?*anyopaque, // IUnknown*
    mode: [*c]i32 // MF_DXGI_DEVICE_MANAGER_MODE* out
) callconv(std.os.windows.WINAPI) i32;
proc MFGetDXGIDeviceManageMode(
    pDeviceManager: pointer,  # IUnknown*
    mode: ptr int32  # MF_DXGI_DEVICE_MANAGER_MODE* out
): int32 {.importc: "MFGetDXGIDeviceManageMode", stdcall, dynlib: "MFPlat.dll".}
pragma(lib, "mfplat");
extern(Windows)
int MFGetDXGIDeviceManageMode(
    void* pDeviceManager,   // IUnknown*
    int* mode   // MF_DXGI_DEVICE_MANAGER_MODE* out
);
ccall((:MFGetDXGIDeviceManageMode, "MFPlat.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Ptr{Int32}),
      pDeviceManager, mode)
# pDeviceManager : IUnknown* -> Ptr{Cvoid}
# mode : MF_DXGI_DEVICE_MANAGER_MODE* out -> Ptr{Int32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。
local ffi = require("ffi")
ffi.cdef[[
int32_t MFGetDXGIDeviceManageMode(
    void* pDeviceManager,
    int32_t* mode);
]]
local mfplat = ffi.load("mfplat")
-- mfplat.MFGetDXGIDeviceManageMode(pDeviceManager, mode)
-- pDeviceManager : IUnknown*
-- mode : MF_DXGI_DEVICE_MANAGER_MODE* 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('MFPlat.dll');
const MFGetDXGIDeviceManageMode = lib.func('__stdcall', 'MFGetDXGIDeviceManageMode', 'int32_t', ['void *', 'int32_t *']);
// MFGetDXGIDeviceManageMode(pDeviceManager, mode)
// pDeviceManager : IUnknown* -> 'void *'
// mode : MF_DXGI_DEVICE_MANAGER_MODE* out -> 'int32_t *'
// 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("MFPlat.dll", {
  MFGetDXGIDeviceManageMode: { parameters: ["pointer", "pointer"], result: "i32" },
});
// lib.symbols.MFGetDXGIDeviceManageMode(pDeviceManager, mode)
// pDeviceManager : IUnknown* -> "pointer"
// mode : MF_DXGI_DEVICE_MANAGER_MODE* 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 MFGetDXGIDeviceManageMode(
    void* pDeviceManager,
    int32_t* mode);
C, "MFPlat.dll");
// $ffi->MFGetDXGIDeviceManageMode(pDeviceManager, mode);
// pDeviceManager : IUnknown*
// mode : MF_DXGI_DEVICE_MANAGER_MODE* 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 Mfplat extends StdCallLibrary {
    Mfplat INSTANCE = Native.load("mfplat", Mfplat.class);
    int MFGetDXGIDeviceManageMode(
        Pointer pDeviceManager,   // IUnknown*
        IntByReference mode   // MF_DXGI_DEVICE_MANAGER_MODE* out
    );
}
@[Link("mfplat")]
lib LibMFPlat
  fun MFGetDXGIDeviceManageMode = MFGetDXGIDeviceManageMode(
    pDeviceManager : Void*,   # IUnknown*
    mode : Int32*   # MF_DXGI_DEVICE_MANAGER_MODE* 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 MFGetDXGIDeviceManageModeNative = Int32 Function(Pointer<Void>, Pointer<Int32>);
typedef MFGetDXGIDeviceManageModeDart = int Function(Pointer<Void>, Pointer<Int32>);
final MFGetDXGIDeviceManageMode = DynamicLibrary.open('MFPlat.dll')
    .lookupFunction<MFGetDXGIDeviceManageModeNative, MFGetDXGIDeviceManageModeDart>('MFGetDXGIDeviceManageMode');
// pDeviceManager : IUnknown* -> Pointer<Void>
// mode : MF_DXGI_DEVICE_MANAGER_MODE* out -> Pointer<Int32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function MFGetDXGIDeviceManageMode(
  pDeviceManager: Pointer;   // IUnknown*
  mode: Pointer   // MF_DXGI_DEVICE_MANAGER_MODE* out
): Integer; stdcall;
  external 'MFPlat.dll' name 'MFGetDXGIDeviceManageMode';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "MFGetDXGIDeviceManageMode"
  c_MFGetDXGIDeviceManageMode :: Ptr () -> Ptr Int32 -> IO Int32
-- pDeviceManager : IUnknown* -> Ptr ()
-- mode : MF_DXGI_DEVICE_MANAGER_MODE* out -> Ptr Int32
-- 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 mfgetdxgidevicemanagemode =
  foreign "MFGetDXGIDeviceManageMode"
    ((ptr void) @-> (ptr int32_t) @-> returning int32_t)
(* pDeviceManager : IUnknown* -> (ptr void) *)
(* mode : MF_DXGI_DEVICE_MANAGER_MODE* out -> (ptr int32_t) *)
(* 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 mfplat (t "MFPlat.dll"))
(cffi:use-foreign-library mfplat)

(cffi:defcfun ("MFGetDXGIDeviceManageMode" mfget-dxgidevice-manage-mode :convention :stdcall) :int32
  (p-device-manager :pointer)   ; IUnknown*
  (mode :pointer))   ; MF_DXGI_DEVICE_MANAGER_MODE* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。
use Win32::API;
my $MFGetDXGIDeviceManageMode = Win32::API::More->new('MFPlat',
    'int MFGetDXGIDeviceManageMode(LPVOID pDeviceManager, LPVOID mode)');
# my $ret = $MFGetDXGIDeviceManageMode->Call($pDeviceManager, $mode);
# pDeviceManager : IUnknown* -> LPVOID
# mode : MF_DXGI_DEVICE_MANAGER_MODE* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

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