D3DPreprocess

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

HRESULT D3DPreprocess(
    const void* pSrcData,
    UINT_PTR SrcDataSize,
    LPCSTR pSourceName,   // optional
    const D3D_SHADER_MACRO* pDefines,   // optional
    ID3DInclude* pInclude,   // optional
    ID3DBlob** ppCodeText,
    ID3DBlob** ppErrorMsgs   // optional
);

<DllImport("D3DCOMPILER_47.dll", ExactSpelling:=True)>
Public Shared Function D3DPreprocess(
    pSrcData As IntPtr,   ' void*
    SrcDataSize As UIntPtr,   ' UINT_PTR
    <MarshalAs(UnmanagedType.LPStr)> pSourceName As String,   ' LPCSTR optional
    pDefines As IntPtr,   ' D3D_SHADER_MACRO* optional
    pInclude As IntPtr,   ' ID3DInclude* optional
    ppCodeText As IntPtr,   ' ID3DBlob** out
    ppErrorMsgs As IntPtr   ' ID3DBlob** optional, out
) As Integer
End Function

' pSrcData : void*
' SrcDataSize : UINT_PTR
' pSourceName : LPCSTR optional
' pDefines : D3D_SHADER_MACRO* optional
' pInclude : ID3DInclude* optional
' ppCodeText : ID3DBlob** out
' ppErrorMsgs : ID3DBlob** optional, out
Declare PtrSafe Function D3DPreprocess Lib "d3dcompiler_47" ( _
    ByVal pSrcData As LongPtr, _
    ByVal SrcDataSize As LongPtr, _
    ByVal pSourceName As String, _
    ByVal pDefines As LongPtr, _
    ByVal pInclude As LongPtr, _
    ByVal ppCodeText As LongPtr, _
    ByVal ppErrorMsgs 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

D3DPreprocess = ctypes.windll.d3dcompiler_47.D3DPreprocess
D3DPreprocess.restype = ctypes.c_int
D3DPreprocess.argtypes = [
    ctypes.POINTER(None),  # pSrcData : void*
    ctypes.c_size_t,  # SrcDataSize : UINT_PTR
    wintypes.LPCSTR,  # pSourceName : LPCSTR optional
    ctypes.c_void_p,  # pDefines : D3D_SHADER_MACRO* optional
    ctypes.c_void_p,  # pInclude : ID3DInclude* optional
    ctypes.c_void_p,  # ppCodeText : ID3DBlob** out
    ctypes.c_void_p,  # ppErrorMsgs : ID3DBlob** optional, out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('D3DCOMPILER_47.dll')
D3DPreprocess = Fiddle::Function.new(
  lib['D3DPreprocess'],
  [
    Fiddle::TYPE_VOIDP,  # pSrcData : void*
    Fiddle::TYPE_UINTPTR_T,  # SrcDataSize : UINT_PTR
    Fiddle::TYPE_VOIDP,  # pSourceName : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pDefines : D3D_SHADER_MACRO* optional
    Fiddle::TYPE_VOIDP,  # pInclude : ID3DInclude* optional
    Fiddle::TYPE_VOIDP,  # ppCodeText : ID3DBlob** out
    Fiddle::TYPE_VOIDP,  # ppErrorMsgs : ID3DBlob** optional, out
  ],
  Fiddle::TYPE_INT)

#[link(name = "d3dcompiler_47")]
extern "system" {
    fn D3DPreprocess(
        pSrcData: *const (),  // void*
        SrcDataSize: usize,  // UINT_PTR
        pSourceName: *const u8,  // LPCSTR optional
        pDefines: *const D3D_SHADER_MACRO,  // D3D_SHADER_MACRO* optional
        pInclude: *mut core::ffi::c_void,  // ID3DInclude* optional
        ppCodeText: *mut *mut core::ffi::c_void,  // ID3DBlob** out
        ppErrorMsgs: *mut *mut core::ffi::c_void  // ID3DBlob** optional, out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("D3DCOMPILER_47.dll")]
public static extern int D3DPreprocess(IntPtr pSrcData, UIntPtr SrcDataSize, [MarshalAs(UnmanagedType.LPStr)] string pSourceName, IntPtr pDefines, IntPtr pInclude, IntPtr ppCodeText, IntPtr ppErrorMsgs);
"@
$api = Add-Type -MemberDefinition $sig -Name 'D3DCOMPILER_47_D3DPreprocess' -Namespace Win32 -PassThru
# $api::D3DPreprocess(pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs)

#uselib "D3DCOMPILER_47.dll"
#func global D3DPreprocess "D3DPreprocess" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; D3DPreprocess pSrcData, SrcDataSize, pSourceName, varptr(pDefines), pInclude, ppCodeText, ppErrorMsgs   ; 戻り値は stat
; pSrcData : void* -> "sptr"
; SrcDataSize : UINT_PTR -> "sptr"
; pSourceName : LPCSTR optional -> "sptr"
; pDefines : D3D_SHADER_MACRO* optional -> "sptr"
; pInclude : ID3DInclude* optional -> "sptr"
; ppCodeText : ID3DBlob** out -> "sptr"
; ppErrorMsgs : 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。

#uselib "D3DCOMPILER_47.dll"
#cfunc global D3DPreprocess "D3DPreprocess" sptr, sptr, str, var, sptr, sptr, sptr
; res = D3DPreprocess(pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs)
; pSrcData : void* -> "sptr"
; SrcDataSize : UINT_PTR -> "sptr"
; pSourceName : LPCSTR optional -> "str"
; pDefines : D3D_SHADER_MACRO* optional -> "var"
; pInclude : ID3DInclude* optional -> "sptr"
; ppCodeText : ID3DBlob** out -> "sptr"
; ppErrorMsgs : ID3DBlob** optional, 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。

; HRESULT D3DPreprocess(void* pSrcData, UINT_PTR SrcDataSize, LPCSTR pSourceName, D3D_SHADER_MACRO* pDefines, ID3DInclude* pInclude, ID3DBlob** ppCodeText, ID3DBlob** ppErrorMsgs)
#uselib "D3DCOMPILER_47.dll"
#cfunc global D3DPreprocess "D3DPreprocess" intptr, intptr, str, var, intptr, intptr, intptr
; res = D3DPreprocess(pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs)
; pSrcData : void* -> "intptr"
; SrcDataSize : UINT_PTR -> "intptr"
; pSourceName : LPCSTR optional -> "str"
; pDefines : D3D_SHADER_MACRO* optional -> "var"
; pInclude : ID3DInclude* optional -> "intptr"
; ppCodeText : ID3DBlob** out -> "intptr"
; ppErrorMsgs : ID3DBlob** optional, 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 (
	d3dcompiler_47 = windows.NewLazySystemDLL("D3DCOMPILER_47.dll")
	procD3DPreprocess = d3dcompiler_47.NewProc("D3DPreprocess")
)

// pSrcData (void*), SrcDataSize (UINT_PTR), pSourceName (LPCSTR optional), pDefines (D3D_SHADER_MACRO* optional), pInclude (ID3DInclude* optional), ppCodeText (ID3DBlob** out), ppErrorMsgs (ID3DBlob** optional, out)
r1, _, err := procD3DPreprocess.Call(
	uintptr(pSrcData),
	uintptr(SrcDataSize),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pSourceName))),
	uintptr(pDefines),
	uintptr(pInclude),
	uintptr(ppCodeText),
	uintptr(ppErrorMsgs),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function D3DPreprocess(
  pSrcData: Pointer;   // void*
  SrcDataSize: NativeUInt;   // UINT_PTR
  pSourceName: PAnsiChar;   // LPCSTR optional
  pDefines: Pointer;   // D3D_SHADER_MACRO* optional
  pInclude: Pointer;   // ID3DInclude* optional
  ppCodeText: Pointer;   // ID3DBlob** out
  ppErrorMsgs: Pointer   // ID3DBlob** optional, out
): Integer; stdcall;
  external 'D3DCOMPILER_47.dll' name 'D3DPreprocess';

result := DllCall("D3DCOMPILER_47\D3DPreprocess"
    , "Ptr", pSrcData   ; void*
    , "UPtr", SrcDataSize   ; UINT_PTR
    , "AStr", pSourceName   ; LPCSTR optional
    , "Ptr", pDefines   ; D3D_SHADER_MACRO* optional
    , "Ptr", pInclude   ; ID3DInclude* optional
    , "Ptr", ppCodeText   ; ID3DBlob** out
    , "Ptr", ppErrorMsgs   ; ID3DBlob** optional, out
    , "Int")   ; return: HRESULT

●D3DPreprocess(pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs) = DLL("D3DCOMPILER_47.dll", "int D3DPreprocess(void*, int, char*, void*, void*, void*, void*)")
# 呼び出し: D3DPreprocess(pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs)
# pSrcData : void* -> "void*"
# SrcDataSize : UINT_PTR -> "int"
# pSourceName : LPCSTR optional -> "char*"
# pDefines : D3D_SHADER_MACRO* optional -> "void*"
# pInclude : ID3DInclude* optional -> "void*"
# ppCodeText : ID3DBlob** out -> "void*"
# ppErrorMsgs : 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)。