glPolygonOffset

// OPENGL32.dll
#include <windows.h>

void glPolygonOffset(
    FLOAT factor,
    FLOAT units
);

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glPolygonOffset(
    factor As Single,   ' FLOAT
    units As Single   ' FLOAT
)
End Sub

' factor : FLOAT
' units : FLOAT
Declare PtrSafe Sub glPolygonOffset Lib "opengl32" ( _
    ByVal factor As Single, _
    ByVal units As Single)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glPolygonOffset = ctypes.windll.opengl32.glPolygonOffset
glPolygonOffset.restype = None
glPolygonOffset.argtypes = [
    ctypes.c_float,  # factor : FLOAT
    ctypes.c_float,  # units : FLOAT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glPolygonOffset = Fiddle::Function.new(
  lib['glPolygonOffset'],
  [
    Fiddle::TYPE_FLOAT,  # factor : FLOAT
    Fiddle::TYPE_FLOAT,  # units : FLOAT
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glPolygonOffset(
        factor: f32,  // FLOAT
        units: f32  // FLOAT
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glPolygonOffset(float factor, float units);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glPolygonOffset' -Namespace Win32 -PassThru
# $api::glPolygonOffset(factor, units)

#uselib "OPENGL32.dll"
#func global glPolygonOffset "glPolygonOffset" float, float
; glPolygonOffset factor, units
; factor : FLOAT -> "float"
; units : FLOAT -> "float"

#uselib "OPENGL32.dll"
#func global glPolygonOffset "glPolygonOffset" float, float
; glPolygonOffset factor, units
; factor : FLOAT -> "float"
; units : FLOAT -> "float"

; void glPolygonOffset(FLOAT factor, FLOAT units)
#uselib "OPENGL32.dll"
#func global glPolygonOffset "glPolygonOffset" float, float
; glPolygonOffset factor, units
; factor : FLOAT -> "float"
; units : FLOAT -> "float"

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

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglPolygonOffset = opengl32.NewProc("glPolygonOffset")
)

// factor (FLOAT), units (FLOAT)
r1, _, err := procglPolygonOffset.Call(
	uintptr(math.Float32bits(factor)),
	uintptr(math.Float32bits(units)),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

procedure glPolygonOffset(
  factor: Single;   // FLOAT
  units: Single   // FLOAT
); stdcall;
  external 'OPENGL32.dll' name 'glPolygonOffset';

result := DllCall("OPENGL32\glPolygonOffset"
    , "Float", factor   ; FLOAT
    , "Float", units   ; FLOAT
    , "Int")   ; return: void

●glPolygonOffset(factor, units) = DLL("OPENGL32.dll", "int glPolygonOffset(float, float)")
# 呼び出し: glPolygonOffset(factor, units)
# factor : FLOAT -> "float"
# units : FLOAT -> "float"
# 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 "opengl32" fn glPolygonOffset(
    factor: f32, // FLOAT
    units: f32 // FLOAT
) callconv(std.os.windows.WINAPI) void;

proc glPolygonOffset(
    factor: float32,  # FLOAT
    units: float32  # FLOAT
) {.importc: "glPolygonOffset", stdcall, dynlib: "OPENGL32.dll".}

pragma(lib, "opengl32");
extern(Windows)
void glPolygonOffset(
    float factor,   // FLOAT
    float units   // FLOAT
);

ccall((:glPolygonOffset, "OPENGL32.dll"), stdcall, Cvoid,
      (Float32, Float32),
      factor, units)
# factor : FLOAT -> Float32
# units : FLOAT -> Float32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
void glPolygonOffset(
    float factor,
    float units);
]]
local opengl32 = ffi.load("opengl32")
-- opengl32.glPolygonOffset(factor, units)
-- factor : FLOAT
-- units : FLOAT
-- 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('OPENGL32.dll');
const glPolygonOffset = lib.func('__stdcall', 'glPolygonOffset', 'void', ['float', 'float']);
// glPolygonOffset(factor, units)
// factor : FLOAT -> 'float'
// units : FLOAT -> 'float'
// 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("OPENGL32.dll", {
  glPolygonOffset: { parameters: ["f32", "f32"], result: "void" },
});
// lib.symbols.glPolygonOffset(factor, units)
// factor : FLOAT -> "f32"
// units : FLOAT -> "f32"
// 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
void glPolygonOffset(
    float factor,
    float units);
C, "OPENGL32.dll");
// $ffi->glPolygonOffset(factor, units);
// factor : FLOAT
// units : FLOAT
// 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 Opengl32 extends StdCallLibrary {
    Opengl32 INSTANCE = Native.load("opengl32", Opengl32.class);
    void glPolygonOffset(
        float factor,   // FLOAT
        float units   // FLOAT
    );
}

@[Link("opengl32")]
lib LibOPENGL32
  fun glPolygonOffset = glPolygonOffset(
    factor : Float32,   # FLOAT
    units : Float32   # FLOAT
  ) : Void
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 glPolygonOffsetNative = Void Function(Float, Float);
typedef glPolygonOffsetDart = void Function(double, double);
final glPolygonOffset = DynamicLibrary.open('OPENGL32.dll')
    .lookupFunction<glPolygonOffsetNative, glPolygonOffsetDart>('glPolygonOffset');
// factor : FLOAT -> Float
// units : FLOAT -> Float
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
procedure glPolygonOffset(
  factor: Single;   // FLOAT
  units: Single   // FLOAT
); stdcall;
  external 'OPENGL32.dll' name 'glPolygonOffset';

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

foreign import stdcall safe "glPolygonOffset"
  c_glPolygonOffset :: CFloat -> CFloat -> IO ()
-- factor : FLOAT -> CFloat
-- units : FLOAT -> CFloat
-- 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 glpolygonoffset =
  foreign "glPolygonOffset"
    (float @-> float @-> returning void)
(* factor : FLOAT -> float *)
(* units : FLOAT -> float *)
(* 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 opengl32 (t "OPENGL32.dll"))
(cffi:use-foreign-library opengl32)

(cffi:defcfun ("glPolygonOffset" gl-polygon-offset :convention :stdcall) :void
  (factor :float)   ; FLOAT
  (units :float))   ; FLOAT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $glPolygonOffset = Win32::API::More->new('OPENGL32',
    'void glPolygonOffset(float factor, float units)');
# my $ret = $glPolygonOffset->Call($factor, $units);
# factor : FLOAT -> float
# units : FLOAT -> float
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。