glEnable

関数

指定したOpenGLの機能を有効化する。

DLLOPENGL32.dll呼出規約winapi

シグネチャ

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

void glEnable(
    DWORD cap
);

パラメーター

名前	型	方向
cap	DWORD	in

戻り値の型: void

各言語での呼び出し定義

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

void glEnable(
    DWORD cap
);

[DllImport("OPENGL32.dll", ExactSpelling = true)]
static extern void glEnable(
    uint cap   // DWORD
);

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glEnable(
    cap As UInteger   ' DWORD
)
End Sub

' cap : DWORD
Declare PtrSafe Sub glEnable Lib "opengl32" ( _
    ByVal cap As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glEnable = ctypes.windll.opengl32.glEnable
glEnable.restype = None
glEnable.argtypes = [
    wintypes.DWORD,  # cap : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glEnable = Fiddle::Function.new(
  lib['glEnable'],
  [
    -Fiddle::TYPE_INT,  # cap : DWORD
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glEnable(
        cap: u32  // DWORD
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glEnable(uint cap);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glEnable' -Namespace Win32 -PassThru
# $api::glEnable(cap)

#uselib "OPENGL32.dll"
#func global glEnable "glEnable" sptr
; glEnable cap
; cap : DWORD -> "sptr"

#uselib "OPENGL32.dll"
#func global glEnable "glEnable" int
; glEnable cap
; cap : DWORD -> "int"

; void glEnable(DWORD cap)
#uselib "OPENGL32.dll"
#func global glEnable "glEnable" int
; glEnable cap
; cap : DWORD -> "int"

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

var (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglEnable = opengl32.NewProc("glEnable")
)

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

procedure glEnable(
  cap: DWORD   // DWORD
); stdcall;
  external 'OPENGL32.dll' name 'glEnable';

result := DllCall("OPENGL32\glEnable"
    , "UInt", cap   ; DWORD
    , "Int")   ; return: void

●glEnable(cap) = DLL("OPENGL32.dll", "int glEnable(dword)")
# 呼び出し: glEnable(cap)
# cap : DWORD -> "dword"
# 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)。