glLoadIdentity

関数

現在の行列を単位行列で置き換える。

DLLOPENGL32.dll呼出規約winapi

シグネチャ

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

void glLoadIdentity(void);

パラメーターなし。戻り値: void

各言語での呼び出し定義

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

void glLoadIdentity(void);

[DllImport("OPENGL32.dll", ExactSpelling = true)]
static extern void glLoadIdentity();

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glLoadIdentity()
End Sub

Declare PtrSafe Sub glLoadIdentity Lib "opengl32" ()
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glLoadIdentity = ctypes.windll.opengl32.glLoadIdentity
glLoadIdentity.restype = None
glLoadIdentity.argtypes = []

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glLoadIdentity = Fiddle::Function.new(
  lib['glLoadIdentity'],
  [],
  Fiddle::TYPE_VOID)

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

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glLoadIdentity();
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glLoadIdentity' -Namespace Win32 -PassThru
# $api::glLoadIdentity()

#uselib "OPENGL32.dll"
#func global glLoadIdentity "glLoadIdentity"
; glLoadIdentity

#uselib "OPENGL32.dll"
#func global glLoadIdentity "glLoadIdentity"
; glLoadIdentity

; void glLoadIdentity()
#uselib "OPENGL32.dll"
#func global glLoadIdentity "glLoadIdentity"
; glLoadIdentity

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

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglLoadIdentity = opengl32.NewProc("glLoadIdentity")
)

r1, _, err := procglLoadIdentity.Call()
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure glLoadIdentity; stdcall;
  external 'OPENGL32.dll' name 'glLoadIdentity';

result := DllCall("OPENGL32\glLoadIdentity", "Int")

●glLoadIdentity() = DLL("OPENGL32.dll", "int glLoadIdentity()")
# 呼び出し: glLoadIdentity()
# 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)。