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D3DPreprocess

関数

シェーダーソースを前処理展開する。

シグネチャ

// 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
);

パラメーター

名前	型	方向	説明
pSrcData	void*	in	前処理するHLSLソースコードを指すバッファへのポインター。
SrcDataSize	UINT_PTR	in	pSrcDataのバイトサイズ。
pSourceName	LPCSTR	inoptional	エラー表示用のソース名文字列へのポインター。NULL可。
pDefines	D3D_SHADER_MACRO*	inoptional	プリプロセッサ定義の配列(D3D_SHADER_MACRO)へのポインター。NULL可。
pInclude	ID3DInclude*	inoptional	#includeを解決するID3DIncludeハンドラへのポインター。NULL可。
ppCodeText	ID3DBlob**	out	前処理済みのソーステキストを受け取るID3DBlob出力ポインター。
ppErrorMsgs	ID3DBlob**	outoptional	前処理エラー・警告メッセージを受け取るID3DBlob出力ポインター。NULL可。

戻り値の型: HRESULT

各言語での呼び出し定義

// 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)]
static extern int D3DPreprocess(
    IntPtr pSrcData,   // void*
    UIntPtr SrcDataSize,   // UINT_PTR
    [MarshalAs(UnmanagedType.LPStr)] string pSourceName,   // LPCSTR optional
    IntPtr pDefines,   // D3D_SHADER_MACRO* optional
    IntPtr pInclude,   // ID3DInclude* optional
    IntPtr ppCodeText,   // ID3DBlob** out
    IntPtr ppErrorMsgs   // ID3DBlob** optional, out
);

<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。

出力引数:

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

const std = @import("std");

extern "d3dcompiler_47" fn D3DPreprocess(
    pSrcData: ?*anyopaque, // void*
    SrcDataSize: usize, // UINT_PTR
    pSourceName: [*c]const u8, // LPCSTR optional
    pDefines: [*c]D3D_SHADER_MACRO, // D3D_SHADER_MACRO* optional
    pInclude: ?*anyopaque, // ID3DInclude* optional
    ppCodeText: ?*anyopaque, // ID3DBlob** out
    ppErrorMsgs: ?*anyopaque // ID3DBlob** optional, out
) callconv(std.os.windows.WINAPI) i32;

proc D3DPreprocess(
    pSrcData: pointer,  # void*
    SrcDataSize: uint,  # UINT_PTR
    pSourceName: cstring,  # LPCSTR optional
    pDefines: ptr D3D_SHADER_MACRO,  # D3D_SHADER_MACRO* optional
    pInclude: pointer,  # ID3DInclude* optional
    ppCodeText: pointer,  # ID3DBlob** out
    ppErrorMsgs: pointer  # ID3DBlob** optional, out
): int32 {.importc: "D3DPreprocess", stdcall, dynlib: "D3DCOMPILER_47.dll".}

pragma(lib, "d3dcompiler_47");
extern(Windows)
int D3DPreprocess(
    void* pSrcData,   // void*
    size_t SrcDataSize,   // UINT_PTR
    const(char)* pSourceName,   // LPCSTR optional
    D3D_SHADER_MACRO* pDefines,   // D3D_SHADER_MACRO* optional
    void* pInclude,   // ID3DInclude* optional
    void* ppCodeText,   // ID3DBlob** out
    void* ppErrorMsgs   // ID3DBlob** optional, out
);

ccall((:D3DPreprocess, "D3DCOMPILER_47.dll"), stdcall, Int32,
      (Ptr{Cvoid}, Csize_t, Cstring, Ptr{D3D_SHADER_MACRO}, Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}),
      pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs)
# pSrcData : void* -> Ptr{Cvoid}
# SrcDataSize : UINT_PTR -> Csize_t
# pSourceName : LPCSTR optional -> Cstring
# pDefines : D3D_SHADER_MACRO* optional -> Ptr{D3D_SHADER_MACRO}
# pInclude : ID3DInclude* optional -> Ptr{Cvoid}
# ppCodeText : ID3DBlob** out -> Ptr{Cvoid}
# ppErrorMsgs : ID3DBlob** optional, 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 D3DPreprocess(
    void* pSrcData,
    uintptr_t SrcDataSize,
    const char* pSourceName,
    void* pDefines,
    void* pInclude,
    void* ppCodeText,
    void* ppErrorMsgs);
]]
local d3dcompiler_47 = ffi.load("d3dcompiler_47")
-- d3dcompiler_47.D3DPreprocess(pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs)
-- pSrcData : void*
-- SrcDataSize : UINT_PTR
-- pSourceName : LPCSTR optional
-- pDefines : D3D_SHADER_MACRO* optional
-- pInclude : ID3DInclude* optional
-- ppCodeText : ID3DBlob** out
-- ppErrorMsgs : ID3DBlob** optional, 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 D3DPreprocess = lib.func('__stdcall', 'D3DPreprocess', 'int32_t', ['void *', 'uintptr_t', 'str', 'void *', 'void *', 'void *', 'void *']);
// D3DPreprocess(pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs)
// pSrcData : void* -> 'void *'
// SrcDataSize : UINT_PTR -> 'uintptr_t'
// pSourceName : LPCSTR optional -> 'str'
// pDefines : D3D_SHADER_MACRO* optional -> 'void *'
// pInclude : ID3DInclude* optional -> 'void *'
// ppCodeText : ID3DBlob** out -> 'void *'
// ppErrorMsgs : ID3DBlob** optional, 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", {
  D3DPreprocess: { parameters: ["pointer", "usize", "buffer", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.D3DPreprocess(pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs)
// pSrcData : void* -> "pointer"
// SrcDataSize : UINT_PTR -> "usize"
// pSourceName : LPCSTR optional -> "buffer"
// pDefines : D3D_SHADER_MACRO* optional -> "pointer"
// pInclude : ID3DInclude* optional -> "pointer"
// ppCodeText : ID3DBlob** out -> "pointer"
// ppErrorMsgs : ID3DBlob** optional, 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 D3DPreprocess(
    void* pSrcData,
    size_t SrcDataSize,
    const char* pSourceName,
    void* pDefines,
    void* pInclude,
    void* ppCodeText,
    void* ppErrorMsgs);
C, "D3DCOMPILER_47.dll");
// $ffi->D3DPreprocess(pSrcData, SrcDataSize, pSourceName, pDefines, pInclude, ppCodeText, ppErrorMsgs);
// pSrcData : void*
// SrcDataSize : UINT_PTR
// pSourceName : LPCSTR optional
// pDefines : D3D_SHADER_MACRO* optional
// pInclude : ID3DInclude* optional
// ppCodeText : ID3DBlob** out
// ppErrorMsgs : ID3DBlob** optional, 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 D3DPreprocess(
        Pointer pSrcData,   // void*
        long SrcDataSize,   // UINT_PTR
        String pSourceName,   // LPCSTR optional
        Pointer pDefines,   // D3D_SHADER_MACRO* optional
        Pointer pInclude,   // ID3DInclude* optional
        Pointer ppCodeText,   // ID3DBlob** out
        Pointer ppErrorMsgs   // ID3DBlob** optional, out
    );
}

@[Link("d3dcompiler_47")]
lib LibD3DCOMPILER_47
  fun D3DPreprocess = D3DPreprocess(
    pSrcData : Void*,   # void*
    SrcDataSize : LibC::SizeT,   # UINT_PTR
    pSourceName : UInt8*,   # LPCSTR optional
    pDefines : D3D_SHADER_MACRO*,   # D3D_SHADER_MACRO* optional
    pInclude : Void*,   # ID3DInclude* optional
    ppCodeText : Void*,   # ID3DBlob** out
    ppErrorMsgs : Void*   # ID3DBlob** optional, 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 D3DPreprocessNative = Int32 Function(Pointer<Void>, UintPtr, Pointer<Utf8>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef D3DPreprocessDart = int Function(Pointer<Void>, int, Pointer<Utf8>, Pointer<Void>, Pointer<Void>, Pointer<Void>, Pointer<Void>);
final D3DPreprocess = DynamicLibrary.open('D3DCOMPILER_47.dll')
    .lookupFunction<D3DPreprocessNative, D3DPreprocessDart>('D3DPreprocess');
// pSrcData : void* -> Pointer<Void>
// SrcDataSize : UINT_PTR -> UintPtr
// pSourceName : LPCSTR optional -> Pointer<Utf8>
// pDefines : D3D_SHADER_MACRO* optional -> Pointer<Void>
// pInclude : ID3DInclude* optional -> Pointer<Void>
// ppCodeText : ID3DBlob** out -> Pointer<Void>
// ppErrorMsgs : ID3DBlob** optional, out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
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';

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

foreign import stdcall safe "D3DPreprocess"
  c_D3DPreprocess :: Ptr () -> CUIntPtr -> CString -> Ptr () -> Ptr () -> Ptr () -> Ptr () -> IO Int32
-- pSrcData : void* -> Ptr ()
-- SrcDataSize : UINT_PTR -> CUIntPtr
-- pSourceName : LPCSTR optional -> CString
-- pDefines : D3D_SHADER_MACRO* optional -> Ptr ()
-- pInclude : ID3DInclude* optional -> Ptr ()
-- ppCodeText : ID3DBlob** out -> Ptr ()
-- ppErrorMsgs : ID3DBlob** optional, 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 d3dpreprocess =
  foreign "D3DPreprocess"
    ((ptr void) @-> size_t @-> string @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> (ptr void) @-> returning int32_t)
(* pSrcData : void* -> (ptr void) *)
(* SrcDataSize : UINT_PTR -> size_t *)
(* pSourceName : LPCSTR optional -> string *)
(* pDefines : D3D_SHADER_MACRO* optional -> (ptr void) *)
(* pInclude : ID3DInclude* optional -> (ptr void) *)
(* ppCodeText : ID3DBlob** out -> (ptr void) *)
(* ppErrorMsgs : ID3DBlob** optional, 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 ("D3DPreprocess" d3-dpreprocess :convention :stdcall) :int32
  (p-src-data :pointer)   ; void*
  (src-data-size :uint64)   ; UINT_PTR
  (p-source-name :string)   ; LPCSTR optional
  (p-defines :pointer)   ; D3D_SHADER_MACRO* optional
  (p-include :pointer)   ; ID3DInclude* optional
  (pp-code-text :pointer)   ; ID3DBlob** out
  (pp-error-msgs :pointer))   ; ID3DBlob** optional, out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $D3DPreprocess = Win32::API::More->new('D3DCOMPILER_47',
    'int D3DPreprocess(LPVOID pSrcData, WPARAM SrcDataSize, LPCSTR pSourceName, LPVOID pDefines, LPVOID pInclude, LPVOID ppCodeText, LPVOID ppErrorMsgs)');
# my $ret = $D3DPreprocess->Call($pSrcData, $SrcDataSize, $pSourceName, $pDefines, $pInclude, $ppCodeText, $ppErrorMsgs);
# pSrcData : void* -> LPVOID
# SrcDataSize : UINT_PTR -> WPARAM
# pSourceName : LPCSTR optional -> LPCSTR
# pDefines : D3D_SHADER_MACRO* optional -> LPVOID
# pInclude : ID3DInclude* optional -> LPVOID
# ppCodeText : ID3DBlob** out -> LPVOID
# ppErrorMsgs : ID3DBlob** optional, out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。

D3DPreprocess

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