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D3DDisassembleRegion

関数

シェーダーの指定範囲を逆アセンブルする。

シグネチャ

// D3DCOMPILER_47.dll
#include <windows.h>

HRESULT D3DDisassembleRegion(
    const void* pSrcData,
    UINT_PTR SrcDataSize,
    DWORD Flags,
    LPCSTR szComments,   // optional
    UINT_PTR StartByteOffset,
    UINT_PTR NumInsts,
    UINT_PTR* pFinishByteOffset,   // optional
    ID3DBlob** ppDisassembly
);

パラメーター

名前	型	方向	説明
pSrcData	void*	in	逆アセンブルする元のコンパイル済みシェーダーデータへのポインター。
SrcDataSize	UINT_PTR	in	pSrcDataのバイトサイズ。
Flags	DWORD	in	逆アセンブル表示を制御するフラグ(D3D_DISASM_*)。
szComments	LPCSTR	inoptional	逆アセンブル結果の先頭に挿入するコメント文字列へのポインター。NULL可。
StartByteOffset	UINT_PTR	in	逆アセンブルを開始するバイトオフセット。
NumInsts	UINT_PTR	in	逆アセンブルする命令数。
pFinishByteOffset	UINT_PTR*	outoptional	処理終了位置のバイトオフセットを受け取る出力ポインター。NULL可。
ppDisassembly	ID3DBlob**	out	逆アセンブル結果テキストを受け取るID3DBlob出力ポインター。

戻り値の型: HRESULT

各言語での呼び出し定義

// D3DCOMPILER_47.dll
#include <windows.h>

HRESULT D3DDisassembleRegion(
    const void* pSrcData,
    UINT_PTR SrcDataSize,
    DWORD Flags,
    LPCSTR szComments,   // optional
    UINT_PTR StartByteOffset,
    UINT_PTR NumInsts,
    UINT_PTR* pFinishByteOffset,   // optional
    ID3DBlob** ppDisassembly
);

[DllImport("D3DCOMPILER_47.dll", ExactSpelling = true)]
static extern int D3DDisassembleRegion(
    IntPtr pSrcData,   // void*
    UIntPtr SrcDataSize,   // UINT_PTR
    uint Flags,   // DWORD
    [MarshalAs(UnmanagedType.LPStr)] string szComments,   // LPCSTR optional
    UIntPtr StartByteOffset,   // UINT_PTR
    UIntPtr NumInsts,   // UINT_PTR
    IntPtr pFinishByteOffset,   // UINT_PTR* optional, out
    IntPtr ppDisassembly   // ID3DBlob** out
);

<DllImport("D3DCOMPILER_47.dll", ExactSpelling:=True)>
Public Shared Function D3DDisassembleRegion(
    pSrcData As IntPtr,   ' void*
    SrcDataSize As UIntPtr,   ' UINT_PTR
    Flags As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPStr)> szComments As String,   ' LPCSTR optional
    StartByteOffset As UIntPtr,   ' UINT_PTR
    NumInsts As UIntPtr,   ' UINT_PTR
    pFinishByteOffset As IntPtr,   ' UINT_PTR* optional, out
    ppDisassembly As IntPtr   ' ID3DBlob** out
) As Integer
End Function

' pSrcData : void*
' SrcDataSize : UINT_PTR
' Flags : DWORD
' szComments : LPCSTR optional
' StartByteOffset : UINT_PTR
' NumInsts : UINT_PTR
' pFinishByteOffset : UINT_PTR* optional, out
' ppDisassembly : ID3DBlob** out
Declare PtrSafe Function D3DDisassembleRegion Lib "d3dcompiler_47" ( _
    ByVal pSrcData As LongPtr, _
    ByVal SrcDataSize As LongPtr, _
    ByVal Flags As Long, _
    ByVal szComments As String, _
    ByVal StartByteOffset As LongPtr, _
    ByVal NumInsts As LongPtr, _
    ByVal pFinishByteOffset As LongPtr, _
    ByVal ppDisassembly 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

D3DDisassembleRegion = ctypes.windll.d3dcompiler_47.D3DDisassembleRegion
D3DDisassembleRegion.restype = ctypes.c_int
D3DDisassembleRegion.argtypes = [
    ctypes.POINTER(None),  # pSrcData : void*
    ctypes.c_size_t,  # SrcDataSize : UINT_PTR
    wintypes.DWORD,  # Flags : DWORD
    wintypes.LPCSTR,  # szComments : LPCSTR optional
    ctypes.c_size_t,  # StartByteOffset : UINT_PTR
    ctypes.c_size_t,  # NumInsts : UINT_PTR
    ctypes.POINTER(ctypes.c_size_t),  # pFinishByteOffset : UINT_PTR* optional, out
    ctypes.c_void_p,  # ppDisassembly : ID3DBlob** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('D3DCOMPILER_47.dll')
D3DDisassembleRegion = Fiddle::Function.new(
  lib['D3DDisassembleRegion'],
  [
    Fiddle::TYPE_VOIDP,  # pSrcData : void*
    Fiddle::TYPE_UINTPTR_T,  # SrcDataSize : UINT_PTR
    -Fiddle::TYPE_INT,  # Flags : DWORD
    Fiddle::TYPE_VOIDP,  # szComments : LPCSTR optional
    Fiddle::TYPE_UINTPTR_T,  # StartByteOffset : UINT_PTR
    Fiddle::TYPE_UINTPTR_T,  # NumInsts : UINT_PTR
    Fiddle::TYPE_VOIDP,  # pFinishByteOffset : UINT_PTR* optional, out
    Fiddle::TYPE_VOIDP,  # ppDisassembly : ID3DBlob** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "d3dcompiler_47")]
extern "system" {
    fn D3DDisassembleRegion(
        pSrcData: *const (),  // void*
        SrcDataSize: usize,  // UINT_PTR
        Flags: u32,  // DWORD
        szComments: *const u8,  // LPCSTR optional
        StartByteOffset: usize,  // UINT_PTR
        NumInsts: usize,  // UINT_PTR
        pFinishByteOffset: *mut usize,  // UINT_PTR* optional, out
        ppDisassembly: *mut *mut core::ffi::c_void  // ID3DBlob** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("D3DCOMPILER_47.dll")]
public static extern int D3DDisassembleRegion(IntPtr pSrcData, UIntPtr SrcDataSize, uint Flags, [MarshalAs(UnmanagedType.LPStr)] string szComments, UIntPtr StartByteOffset, UIntPtr NumInsts, IntPtr pFinishByteOffset, IntPtr ppDisassembly);
"@
$api = Add-Type -MemberDefinition $sig -Name 'D3DCOMPILER_47_D3DDisassembleRegion' -Namespace Win32 -PassThru
# $api::D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly)

#uselib "D3DCOMPILER_47.dll"
#func global D3DDisassembleRegion "D3DDisassembleRegion" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; D3DDisassembleRegion pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, varptr(pFinishByteOffset), ppDisassembly   ; 戻り値は stat
; pSrcData : void* -> "sptr"
; SrcDataSize : UINT_PTR -> "sptr"
; Flags : DWORD -> "sptr"
; szComments : LPCSTR optional -> "sptr"
; StartByteOffset : UINT_PTR -> "sptr"
; NumInsts : UINT_PTR -> "sptr"
; pFinishByteOffset : UINT_PTR* optional, out -> "sptr"
; ppDisassembly : ID3DBlob** 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 "D3DCOMPILER_47.dll"
#cfunc global D3DDisassembleRegion "D3DDisassembleRegion" sptr, sptr, int, str, sptr, sptr, var, sptr
; res = D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly)
; pSrcData : void* -> "sptr"
; SrcDataSize : UINT_PTR -> "sptr"
; Flags : DWORD -> "int"
; szComments : LPCSTR optional -> "str"
; StartByteOffset : UINT_PTR -> "sptr"
; NumInsts : UINT_PTR -> "sptr"
; pFinishByteOffset : UINT_PTR* optional, out -> "var"
; ppDisassembly : ID3DBlob** 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。#uselib "D3DCOMPILER_47.dll"
#cfunc global D3DDisassembleRegion "D3DDisassembleRegion" sptr, sptr, int, str, sptr, sptr, sptr, sptr
; res = D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, varptr(pFinishByteOffset), ppDisassembly)
; pSrcData : void* -> "sptr"
; SrcDataSize : UINT_PTR -> "sptr"
; Flags : DWORD -> "int"
; szComments : LPCSTR optional -> "str"
; StartByteOffset : UINT_PTR -> "sptr"
; NumInsts : UINT_PTR -> "sptr"
; pFinishByteOffset : UINT_PTR* optional, out -> "sptr"
; ppDisassembly : ID3DBlob** out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; HRESULT D3DDisassembleRegion(void* pSrcData, UINT_PTR SrcDataSize, DWORD Flags, LPCSTR szComments, UINT_PTR StartByteOffset, UINT_PTR NumInsts, UINT_PTR* pFinishByteOffset, ID3DBlob** ppDisassembly)
#uselib "D3DCOMPILER_47.dll"
#cfunc global D3DDisassembleRegion "D3DDisassembleRegion" intptr, intptr, int, str, intptr, intptr, var, intptr
; res = D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly)
; pSrcData : void* -> "intptr"
; SrcDataSize : UINT_PTR -> "intptr"
; Flags : DWORD -> "int"
; szComments : LPCSTR optional -> "str"
; StartByteOffset : UINT_PTR -> "intptr"
; NumInsts : UINT_PTR -> "intptr"
; pFinishByteOffset : UINT_PTR* optional, out -> "var"
; ppDisassembly : ID3DBlob** 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。; HRESULT D3DDisassembleRegion(void* pSrcData, UINT_PTR SrcDataSize, DWORD Flags, LPCSTR szComments, UINT_PTR StartByteOffset, UINT_PTR NumInsts, UINT_PTR* pFinishByteOffset, ID3DBlob** ppDisassembly)
#uselib "D3DCOMPILER_47.dll"
#cfunc global D3DDisassembleRegion "D3DDisassembleRegion" intptr, intptr, int, str, intptr, intptr, intptr, intptr
; res = D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, varptr(pFinishByteOffset), ppDisassembly)
; pSrcData : void* -> "intptr"
; SrcDataSize : UINT_PTR -> "intptr"
; Flags : DWORD -> "int"
; szComments : LPCSTR optional -> "str"
; StartByteOffset : UINT_PTR -> "intptr"
; NumInsts : UINT_PTR -> "intptr"
; pFinishByteOffset : UINT_PTR* optional, out -> "intptr"
; ppDisassembly : ID3DBlob** out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	d3dcompiler_47 = windows.NewLazySystemDLL("D3DCOMPILER_47.dll")
	procD3DDisassembleRegion = d3dcompiler_47.NewProc("D3DDisassembleRegion")
)

// pSrcData (void*), SrcDataSize (UINT_PTR), Flags (DWORD), szComments (LPCSTR optional), StartByteOffset (UINT_PTR), NumInsts (UINT_PTR), pFinishByteOffset (UINT_PTR* optional, out), ppDisassembly (ID3DBlob** out)
r1, _, err := procD3DDisassembleRegion.Call(
	uintptr(pSrcData),
	uintptr(SrcDataSize),
	uintptr(Flags),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szComments))),
	uintptr(StartByteOffset),
	uintptr(NumInsts),
	uintptr(pFinishByteOffset),
	uintptr(ppDisassembly),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function D3DDisassembleRegion(
  pSrcData: Pointer;   // void*
  SrcDataSize: NativeUInt;   // UINT_PTR
  Flags: DWORD;   // DWORD
  szComments: PAnsiChar;   // LPCSTR optional
  StartByteOffset: NativeUInt;   // UINT_PTR
  NumInsts: NativeUInt;   // UINT_PTR
  pFinishByteOffset: Pointer;   // UINT_PTR* optional, out
  ppDisassembly: Pointer   // ID3DBlob** out
): Integer; stdcall;
  external 'D3DCOMPILER_47.dll' name 'D3DDisassembleRegion';

result := DllCall("D3DCOMPILER_47\D3DDisassembleRegion"
    , "Ptr", pSrcData   ; void*
    , "UPtr", SrcDataSize   ; UINT_PTR
    , "UInt", Flags   ; DWORD
    , "AStr", szComments   ; LPCSTR optional
    , "UPtr", StartByteOffset   ; UINT_PTR
    , "UPtr", NumInsts   ; UINT_PTR
    , "Ptr", pFinishByteOffset   ; UINT_PTR* optional, out
    , "Ptr", ppDisassembly   ; ID3DBlob** out
    , "Int")   ; return: HRESULT

●D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly) = DLL("D3DCOMPILER_47.dll", "int D3DDisassembleRegion(void*, int, dword, char*, int, int, void*, void*)")
# 呼び出し: D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly)
# pSrcData : void* -> "void*"
# SrcDataSize : UINT_PTR -> "int"
# Flags : DWORD -> "dword"
# szComments : LPCSTR optional -> "char*"
# StartByteOffset : UINT_PTR -> "int"
# NumInsts : UINT_PTR -> "int"
# pFinishByteOffset : UINT_PTR* optional, out -> "void*"
# ppDisassembly : ID3DBlob** 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 "d3dcompiler_47" fn D3DDisassembleRegion(
    pSrcData: ?*anyopaque, // void*
    SrcDataSize: usize, // UINT_PTR
    Flags: u32, // DWORD
    szComments: [*c]const u8, // LPCSTR optional
    StartByteOffset: usize, // UINT_PTR
    NumInsts: usize, // UINT_PTR
    pFinishByteOffset: [*c]usize, // UINT_PTR* optional, out
    ppDisassembly: ?*anyopaque // ID3DBlob** out
) callconv(std.os.windows.WINAPI) i32;

proc D3DDisassembleRegion(
    pSrcData: pointer,  # void*
    SrcDataSize: uint,  # UINT_PTR
    Flags: uint32,  # DWORD
    szComments: cstring,  # LPCSTR optional
    StartByteOffset: uint,  # UINT_PTR
    NumInsts: uint,  # UINT_PTR
    pFinishByteOffset: ptr uint,  # UINT_PTR* optional, out
    ppDisassembly: pointer  # ID3DBlob** out
): int32 {.importc: "D3DDisassembleRegion", stdcall, dynlib: "D3DCOMPILER_47.dll".}

pragma(lib, "d3dcompiler_47");
extern(Windows)
int D3DDisassembleRegion(
    void* pSrcData,   // void*
    size_t SrcDataSize,   // UINT_PTR
    uint Flags,   // DWORD
    const(char)* szComments,   // LPCSTR optional
    size_t StartByteOffset,   // UINT_PTR
    size_t NumInsts,   // UINT_PTR
    size_t* pFinishByteOffset,   // UINT_PTR* optional, out
    void* ppDisassembly   // ID3DBlob** out
);

ccall((:D3DDisassembleRegion, "D3DCOMPILER_47.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Csize_t, UInt32, Cstring, Csize_t, Csize_t, Ptr{Csize_t}, Ptr{Cvoid}),
      pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly)
# pSrcData : void* -> Ptr{Cvoid}
# SrcDataSize : UINT_PTR -> Csize_t
# Flags : DWORD -> UInt32
# szComments : LPCSTR optional -> Cstring
# StartByteOffset : UINT_PTR -> Csize_t
# NumInsts : UINT_PTR -> Csize_t
# pFinishByteOffset : UINT_PTR* optional, out -> Ptr{Csize_t}
# ppDisassembly : ID3DBlob** 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 D3DDisassembleRegion(
    void* pSrcData,
    uintptr_t SrcDataSize,
    uint32_t Flags,
    const char* szComments,
    uintptr_t StartByteOffset,
    uintptr_t NumInsts,
    uintptr_t* pFinishByteOffset,
    void* ppDisassembly);
]]
local d3dcompiler_47 = ffi.load("d3dcompiler_47")
-- d3dcompiler_47.D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly)
-- pSrcData : void*
-- SrcDataSize : UINT_PTR
-- Flags : DWORD
-- szComments : LPCSTR optional
-- StartByteOffset : UINT_PTR
-- NumInsts : UINT_PTR
-- pFinishByteOffset : UINT_PTR* optional, out
-- ppDisassembly : ID3DBlob** 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('D3DCOMPILER_47.dll');
const D3DDisassembleRegion = lib.func('__stdcall', 'D3DDisassembleRegion', 'int32_t', ['void *', 'uintptr_t', 'uint32_t', 'str', 'uintptr_t', 'uintptr_t', 'uintptr_t *', 'void *']);
// D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly)
// pSrcData : void* -> 'void *'
// SrcDataSize : UINT_PTR -> 'uintptr_t'
// Flags : DWORD -> 'uint32_t'
// szComments : LPCSTR optional -> 'str'
// StartByteOffset : UINT_PTR -> 'uintptr_t'
// NumInsts : UINT_PTR -> 'uintptr_t'
// pFinishByteOffset : UINT_PTR* optional, out -> 'uintptr_t *'
// ppDisassembly : ID3DBlob** 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("D3DCOMPILER_47.dll", {
  D3DDisassembleRegion: { parameters: ["pointer", "usize", "u32", "buffer", "usize", "usize", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly)
// pSrcData : void* -> "pointer"
// SrcDataSize : UINT_PTR -> "usize"
// Flags : DWORD -> "u32"
// szComments : LPCSTR optional -> "buffer"
// StartByteOffset : UINT_PTR -> "usize"
// NumInsts : UINT_PTR -> "usize"
// pFinishByteOffset : UINT_PTR* optional, out -> "pointer"
// ppDisassembly : ID3DBlob** 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 D3DDisassembleRegion(
    void* pSrcData,
    size_t SrcDataSize,
    uint32_t Flags,
    const char* szComments,
    size_t StartByteOffset,
    size_t NumInsts,
    size_t* pFinishByteOffset,
    void* ppDisassembly);
C, "D3DCOMPILER_47.dll");
// $ffi->D3DDisassembleRegion(pSrcData, SrcDataSize, Flags, szComments, StartByteOffset, NumInsts, pFinishByteOffset, ppDisassembly);
// pSrcData : void*
// SrcDataSize : UINT_PTR
// Flags : DWORD
// szComments : LPCSTR optional
// StartByteOffset : UINT_PTR
// NumInsts : UINT_PTR
// pFinishByteOffset : UINT_PTR* optional, out
// ppDisassembly : ID3DBlob** 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 D3dcompiler_47 extends StdCallLibrary {
    D3dcompiler_47 INSTANCE = Native.load("d3dcompiler_47", D3dcompiler_47.class);
    int D3DDisassembleRegion(
        Pointer pSrcData,   // void*
        long SrcDataSize,   // UINT_PTR
        int Flags,   // DWORD
        String szComments,   // LPCSTR optional
        long StartByteOffset,   // UINT_PTR
        long NumInsts,   // UINT_PTR
        LongByReference pFinishByteOffset,   // UINT_PTR* optional, out
        Pointer ppDisassembly   // ID3DBlob** out
    );
}

@[Link("d3dcompiler_47")]
lib LibD3DCOMPILER_47
  fun D3DDisassembleRegion = D3DDisassembleRegion(
    pSrcData : Void*,   # void*
    SrcDataSize : LibC::SizeT,   # UINT_PTR
    Flags : UInt32,   # DWORD
    szComments : UInt8*,   # LPCSTR optional
    StartByteOffset : LibC::SizeT,   # UINT_PTR
    NumInsts : LibC::SizeT,   # UINT_PTR
    pFinishByteOffset : LibC::SizeT*,   # UINT_PTR* optional, out
    ppDisassembly : Void*   # ID3DBlob** 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 D3DDisassembleRegionNative = Int32 Function(Pointer<Void>, UintPtr, Uint32, Pointer<Utf8>, UintPtr, UintPtr, Pointer<UintPtr>, Pointer<Void>);
typedef D3DDisassembleRegionDart = int Function(Pointer<Void>, int, int, Pointer<Utf8>, int, int, Pointer<UintPtr>, Pointer<Void>);
final D3DDisassembleRegion = DynamicLibrary.open('D3DCOMPILER_47.dll')
    .lookupFunction<D3DDisassembleRegionNative, D3DDisassembleRegionDart>('D3DDisassembleRegion');
// pSrcData : void* -> Pointer<Void>
// SrcDataSize : UINT_PTR -> UintPtr
// Flags : DWORD -> Uint32
// szComments : LPCSTR optional -> Pointer<Utf8>
// StartByteOffset : UINT_PTR -> UintPtr
// NumInsts : UINT_PTR -> UintPtr
// pFinishByteOffset : UINT_PTR* optional, out -> Pointer<UintPtr>
// ppDisassembly : ID3DBlob** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function D3DDisassembleRegion(
  pSrcData: Pointer;   // void*
  SrcDataSize: NativeUInt;   // UINT_PTR
  Flags: DWORD;   // DWORD
  szComments: PAnsiChar;   // LPCSTR optional
  StartByteOffset: NativeUInt;   // UINT_PTR
  NumInsts: NativeUInt;   // UINT_PTR
  pFinishByteOffset: Pointer;   // UINT_PTR* optional, out
  ppDisassembly: Pointer   // ID3DBlob** out
): Integer; stdcall;
  external 'D3DCOMPILER_47.dll' name 'D3DDisassembleRegion';

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

foreign import stdcall safe "D3DDisassembleRegion"
  c_D3DDisassembleRegion :: Ptr () -> CUIntPtr -> Word32 -> CString -> CUIntPtr -> CUIntPtr -> Ptr CUIntPtr -> Ptr () -> IO Int32
-- pSrcData : void* -> Ptr ()
-- SrcDataSize : UINT_PTR -> CUIntPtr
-- Flags : DWORD -> Word32
-- szComments : LPCSTR optional -> CString
-- StartByteOffset : UINT_PTR -> CUIntPtr
-- NumInsts : UINT_PTR -> CUIntPtr
-- pFinishByteOffset : UINT_PTR* optional, out -> Ptr CUIntPtr
-- ppDisassembly : ID3DBlob** 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 d3ddisassembleregion =
  foreign "D3DDisassembleRegion"
    ((ptr void) @-> size_t @-> uint32_t @-> string @-> size_t @-> size_t @-> (ptr size_t) @-> (ptr void) @-> returning int32_t)
(* pSrcData : void* -> (ptr void) *)
(* SrcDataSize : UINT_PTR -> size_t *)
(* Flags : DWORD -> uint32_t *)
(* szComments : LPCSTR optional -> string *)
(* StartByteOffset : UINT_PTR -> size_t *)
(* NumInsts : UINT_PTR -> size_t *)
(* pFinishByteOffset : UINT_PTR* optional, out -> (ptr size_t) *)
(* ppDisassembly : ID3DBlob** 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 d3dcompiler_47 (t "D3DCOMPILER_47.dll"))
(cffi:use-foreign-library d3dcompiler_47)

(cffi:defcfun ("D3DDisassembleRegion" d3-ddisassemble-region :convention :stdcall) :int32
  (p-src-data :pointer)   ; void*
  (src-data-size :uint64)   ; UINT_PTR
  (flags :uint32)   ; DWORD
  (sz-comments :string)   ; LPCSTR optional
  (start-byte-offset :uint64)   ; UINT_PTR
  (num-insts :uint64)   ; UINT_PTR
  (p-finish-byte-offset :pointer)   ; UINT_PTR* optional, out
  (pp-disassembly :pointer))   ; ID3DBlob** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $D3DDisassembleRegion = Win32::API::More->new('D3DCOMPILER_47',
    'int D3DDisassembleRegion(LPVOID pSrcData, WPARAM SrcDataSize, DWORD Flags, LPCSTR szComments, WPARAM StartByteOffset, WPARAM NumInsts, LPVOID pFinishByteOffset, LPVOID ppDisassembly)');
# my $ret = $D3DDisassembleRegion->Call($pSrcData, $SrcDataSize, $Flags, $szComments, $StartByteOffset, $NumInsts, $pFinishByteOffset, $ppDisassembly);
# pSrcData : void* -> LPVOID
# SrcDataSize : UINT_PTR -> WPARAM
# Flags : DWORD -> DWORD
# szComments : LPCSTR optional -> LPCSTR
# StartByteOffset : UINT_PTR -> WPARAM
# NumInsts : UINT_PTR -> WPARAM
# pFinishByteOffset : UINT_PTR* optional, out -> LPVOID
# ppDisassembly : ID3DBlob** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

D3DDisassembleRegion

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