DCompositionGetTargetStatistics

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

HRESULT DCompositionGetTargetStatistics(
    ULONGLONG frameId,
    const COMPOSITION_TARGET_ID* targetId,
    COMPOSITION_TARGET_STATS* targetStats
);

<DllImport("dcomp.dll", ExactSpelling:=True)>
Public Shared Function DCompositionGetTargetStatistics(
    frameId As ULong,   ' ULONGLONG
    targetId As IntPtr,   ' COMPOSITION_TARGET_ID*
    targetStats As IntPtr   ' COMPOSITION_TARGET_STATS* out
) As Integer
End Function

' frameId : ULONGLONG
' targetId : COMPOSITION_TARGET_ID*
' targetStats : COMPOSITION_TARGET_STATS* out
Declare PtrSafe Function DCompositionGetTargetStatistics Lib "dcomp" ( _
    ByVal frameId As LongLong, _
    ByVal targetId As LongPtr, _
    ByVal targetStats 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

DCompositionGetTargetStatistics = ctypes.windll.dcomp.DCompositionGetTargetStatistics
DCompositionGetTargetStatistics.restype = ctypes.c_int
DCompositionGetTargetStatistics.argtypes = [
    ctypes.c_ulonglong,  # frameId : ULONGLONG
    ctypes.c_void_p,  # targetId : COMPOSITION_TARGET_ID*
    ctypes.c_void_p,  # targetStats : COMPOSITION_TARGET_STATS* out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('dcomp.dll')
DCompositionGetTargetStatistics = Fiddle::Function.new(
  lib['DCompositionGetTargetStatistics'],
  [
    -Fiddle::TYPE_LONG_LONG,  # frameId : ULONGLONG
    Fiddle::TYPE_VOIDP,  # targetId : COMPOSITION_TARGET_ID*
    Fiddle::TYPE_VOIDP,  # targetStats : COMPOSITION_TARGET_STATS* out
  ],
  Fiddle::TYPE_INT)

#[link(name = "dcomp")]
extern "system" {
    fn DCompositionGetTargetStatistics(
        frameId: u64,  // ULONGLONG
        targetId: *const COMPOSITION_TARGET_ID,  // COMPOSITION_TARGET_ID*
        targetStats: *mut COMPOSITION_TARGET_STATS  // COMPOSITION_TARGET_STATS* out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("dcomp.dll")]
public static extern int DCompositionGetTargetStatistics(ulong frameId, IntPtr targetId, IntPtr targetStats);
"@
$api = Add-Type -MemberDefinition $sig -Name 'dcomp_DCompositionGetTargetStatistics' -Namespace Win32 -PassThru
# $api::DCompositionGetTargetStatistics(frameId, targetId, targetStats)

#uselib "dcomp.dll"
#func global DCompositionGetTargetStatistics "DCompositionGetTargetStatistics" sptr, sptr, sptr
; DCompositionGetTargetStatistics frameId, varptr(targetId), varptr(targetStats)   ; 戻り値は stat
; frameId : ULONGLONG -> "sptr"
; targetId : COMPOSITION_TARGET_ID* -> "sptr"
; targetStats : COMPOSITION_TARGET_STATS* out -> "sptr"
; ※HSP3.7は int64 引数(64bit値渡し)に非対応です。
; ※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 (
	dcomp = windows.NewLazySystemDLL("dcomp.dll")
	procDCompositionGetTargetStatistics = dcomp.NewProc("DCompositionGetTargetStatistics")
)

// frameId (ULONGLONG), targetId (COMPOSITION_TARGET_ID*), targetStats (COMPOSITION_TARGET_STATS* out)
r1, _, err := procDCompositionGetTargetStatistics.Call(
	uintptr(frameId),
	uintptr(targetId),
	uintptr(targetStats),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function DCompositionGetTargetStatistics(
  frameId: UInt64;   // ULONGLONG
  targetId: Pointer;   // COMPOSITION_TARGET_ID*
  targetStats: Pointer   // COMPOSITION_TARGET_STATS* out
): Integer; stdcall;
  external 'dcomp.dll' name 'DCompositionGetTargetStatistics';

result := DllCall("dcomp\DCompositionGetTargetStatistics"
    , "Int64", frameId   ; ULONGLONG
    , "Ptr", targetId   ; COMPOSITION_TARGET_ID*
    , "Ptr", targetStats   ; COMPOSITION_TARGET_STATS* out
    , "Int")   ; return: HRESULT

●DCompositionGetTargetStatistics(frameId, targetId, targetStats) = DLL("dcomp.dll", "int DCompositionGetTargetStatistics(qword, void*, void*)")
# 呼び出し: DCompositionGetTargetStatistics(frameId, targetId, targetStats)
# frameId : ULONGLONG -> "qword"
# targetId : COMPOSITION_TARGET_ID* -> "void*"
# targetStats : COMPOSITION_TARGET_STATS* 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 "dcomp" fn DCompositionGetTargetStatistics(
    frameId: u64, // ULONGLONG
    targetId: [*c]COMPOSITION_TARGET_ID, // COMPOSITION_TARGET_ID*
    targetStats: [*c]COMPOSITION_TARGET_STATS // COMPOSITION_TARGET_STATS* out
) callconv(std.os.windows.WINAPI) i32;

proc DCompositionGetTargetStatistics(
    frameId: uint64,  # ULONGLONG
    targetId: ptr COMPOSITION_TARGET_ID,  # COMPOSITION_TARGET_ID*
    targetStats: ptr COMPOSITION_TARGET_STATS  # COMPOSITION_TARGET_STATS* out
): int32 {.importc: "DCompositionGetTargetStatistics", stdcall, dynlib: "dcomp.dll".}

pragma(lib, "dcomp");
extern(Windows)
int DCompositionGetTargetStatistics(
    ulong frameId,   // ULONGLONG
    COMPOSITION_TARGET_ID* targetId,   // COMPOSITION_TARGET_ID*
    COMPOSITION_TARGET_STATS* targetStats   // COMPOSITION_TARGET_STATS* out
);

ccall((:DCompositionGetTargetStatistics, "dcomp.dll"), stdcall, Int32,
      (UInt64, Ptr{COMPOSITION_TARGET_ID}, Ptr{COMPOSITION_TARGET_STATS}),
      frameId, targetId, targetStats)
# frameId : ULONGLONG -> UInt64
# targetId : COMPOSITION_TARGET_ID* -> Ptr{COMPOSITION_TARGET_ID}
# targetStats : COMPOSITION_TARGET_STATS* out -> Ptr{COMPOSITION_TARGET_STATS}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t DCompositionGetTargetStatistics(
    uint64_t frameId,
    void* targetId,
    void* targetStats);
]]
local dcomp = ffi.load("dcomp")
-- dcomp.DCompositionGetTargetStatistics(frameId, targetId, targetStats)
-- frameId : ULONGLONG
-- targetId : COMPOSITION_TARGET_ID*
-- targetStats : COMPOSITION_TARGET_STATS* 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('dcomp.dll');
const DCompositionGetTargetStatistics = lib.func('__stdcall', 'DCompositionGetTargetStatistics', 'int32_t', ['uint64_t', 'void *', 'void *']);
// DCompositionGetTargetStatistics(frameId, targetId, targetStats)
// frameId : ULONGLONG -> 'uint64_t'
// targetId : COMPOSITION_TARGET_ID* -> 'void *'
// targetStats : COMPOSITION_TARGET_STATS* 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("dcomp.dll", {
  DCompositionGetTargetStatistics: { parameters: ["u64", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.DCompositionGetTargetStatistics(frameId, targetId, targetStats)
// frameId : ULONGLONG -> "u64"
// targetId : COMPOSITION_TARGET_ID* -> "pointer"
// targetStats : COMPOSITION_TARGET_STATS* 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 DCompositionGetTargetStatistics(
    uint64_t frameId,
    void* targetId,
    void* targetStats);
C, "dcomp.dll");
// $ffi->DCompositionGetTargetStatistics(frameId, targetId, targetStats);
// frameId : ULONGLONG
// targetId : COMPOSITION_TARGET_ID*
// targetStats : COMPOSITION_TARGET_STATS* 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 Dcomp extends StdCallLibrary {
    Dcomp INSTANCE = Native.load("dcomp", Dcomp.class);
    int DCompositionGetTargetStatistics(
        long frameId,   // ULONGLONG
        Pointer targetId,   // COMPOSITION_TARGET_ID*
        Pointer targetStats   // COMPOSITION_TARGET_STATS* out
    );
}

@[Link("dcomp")]
lib Libdcomp
  fun DCompositionGetTargetStatistics = DCompositionGetTargetStatistics(
    frameId : UInt64,   # ULONGLONG
    targetId : COMPOSITION_TARGET_ID*,   # COMPOSITION_TARGET_ID*
    targetStats : COMPOSITION_TARGET_STATS*   # COMPOSITION_TARGET_STATS* 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 DCompositionGetTargetStatisticsNative = Int32 Function(Uint64, Pointer<Void>, Pointer<Void>);
typedef DCompositionGetTargetStatisticsDart = int Function(int, Pointer<Void>, Pointer<Void>);
final DCompositionGetTargetStatistics = DynamicLibrary.open('dcomp.dll')
    .lookupFunction<DCompositionGetTargetStatisticsNative, DCompositionGetTargetStatisticsDart>('DCompositionGetTargetStatistics');
// frameId : ULONGLONG -> Uint64
// targetId : COMPOSITION_TARGET_ID* -> Pointer<Void>
// targetStats : COMPOSITION_TARGET_STATS* out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function DCompositionGetTargetStatistics(
  frameId: UInt64;   // ULONGLONG
  targetId: Pointer;   // COMPOSITION_TARGET_ID*
  targetStats: Pointer   // COMPOSITION_TARGET_STATS* out
): Integer; stdcall;
  external 'dcomp.dll' name 'DCompositionGetTargetStatistics';

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

foreign import stdcall safe "DCompositionGetTargetStatistics"
  c_DCompositionGetTargetStatistics :: Word64 -> Ptr () -> Ptr () -> IO Int32
-- frameId : ULONGLONG -> Word64
-- targetId : COMPOSITION_TARGET_ID* -> Ptr ()
-- targetStats : COMPOSITION_TARGET_STATS* 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 dcompositiongettargetstatistics =
  foreign "DCompositionGetTargetStatistics"
    (uint64_t @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* frameId : ULONGLONG -> uint64_t *)
(* targetId : COMPOSITION_TARGET_ID* -> (ptr void) *)
(* targetStats : COMPOSITION_TARGET_STATS* 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 dcomp (t "dcomp.dll"))
(cffi:use-foreign-library dcomp)

(cffi:defcfun ("DCompositionGetTargetStatistics" dcomposition-get-target-statistics :convention :stdcall) :int32
  (frame-id :uint64)   ; ULONGLONG
  (target-id :pointer)   ; COMPOSITION_TARGET_ID*
  (target-stats :pointer))   ; COMPOSITION_TARGET_STATS* out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $DCompositionGetTargetStatistics = Win32::API::More->new('dcomp',
    'int DCompositionGetTargetStatistics(UINT64 frameId, LPVOID targetId, LPVOID targetStats)');
# my $ret = $DCompositionGetTargetStatistics->Call($frameId, $targetId, $targetStats);
# frameId : ULONGLONG -> UINT64
# targetId : COMPOSITION_TARGET_ID* -> LPVOID
# targetStats : COMPOSITION_TARGET_STATS* out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。