ホーム › Graphics.OpenGL › glDeleteTextures

glDeleteTextures

関数

指定したテクスチャオブジェクト群を削除する。

DLLOPENGL32.dll呼出規約winapi

シグネチャ

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

void glDeleteTextures(
    INT n,
    const DWORD* textures
);

パラメーター

名前	型	方向
n	INT	in
textures	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 glDeleteTextures(
    INT n,
    const DWORD* textures
);

[DllImport("OPENGL32.dll", ExactSpelling = true)]
static extern void glDeleteTextures(
    int n,   // INT
    ref uint textures   // DWORD*
);

<DllImport("OPENGL32.dll", ExactSpelling:=True)>
Public Shared Sub glDeleteTextures(
    n As Integer,   ' INT
    ByRef textures As UInteger   ' DWORD*
)
End Sub

' n : INT
' textures : DWORD*
Declare PtrSafe Sub glDeleteTextures Lib "opengl32" ( _
    ByVal n As Long, _
    ByRef textures As Long)
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

glDeleteTextures = ctypes.windll.opengl32.glDeleteTextures
glDeleteTextures.restype = None
glDeleteTextures.argtypes = [
    ctypes.c_int,  # n : INT
    ctypes.POINTER(wintypes.DWORD),  # textures : DWORD*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('OPENGL32.dll')
glDeleteTextures = Fiddle::Function.new(
  lib['glDeleteTextures'],
  [
    Fiddle::TYPE_INT,  # n : INT
    Fiddle::TYPE_VOIDP,  # textures : DWORD*
  ],
  Fiddle::TYPE_VOID)

#[link(name = "opengl32")]
extern "system" {
    fn glDeleteTextures(
        n: i32,  // INT
        textures: *const u32  // DWORD*
    );
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("OPENGL32.dll")]
public static extern void glDeleteTextures(int n, ref uint textures);
"@
$api = Add-Type -MemberDefinition $sig -Name 'OPENGL32_glDeleteTextures' -Namespace Win32 -PassThru
# $api::glDeleteTextures(n, textures)

#uselib "OPENGL32.dll"
#func global glDeleteTextures "glDeleteTextures" sptr, sptr
; glDeleteTextures n, varptr(textures)
; n : INT -> "sptr"
; textures : DWORD* -> "sptr"

出力引数:

#uselib "OPENGL32.dll"
#func global glDeleteTextures "glDeleteTextures" int, var
; glDeleteTextures n, textures
; n : INT -> "int"
; textures : DWORD* -> "var"
; ※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 "OPENGL32.dll"
#func global glDeleteTextures "glDeleteTextures" int, sptr
; glDeleteTextures n, varptr(textures)
; n : INT -> "int"
; textures : DWORD* -> "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:

; void glDeleteTextures(INT n, DWORD* textures)
#uselib "OPENGL32.dll"
#func global glDeleteTextures "glDeleteTextures" int, var
; glDeleteTextures n, textures
; n : INT -> "int"
; textures : DWORD* -> "var"
; ※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。; void glDeleteTextures(INT n, DWORD* textures)
#uselib "OPENGL32.dll"
#func global glDeleteTextures "glDeleteTextures" int, intptr
; glDeleteTextures n, varptr(textures)
; n : INT -> "int"
; textures : DWORD* -> "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 (
	opengl32 = windows.NewLazySystemDLL("OPENGL32.dll")
	procglDeleteTextures = opengl32.NewProc("glDeleteTextures")
)

// n (INT), textures (DWORD*)
r1, _, err := procglDeleteTextures.Call(
	uintptr(n),
	uintptr(textures),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // void

procedure glDeleteTextures(
  n: Integer;   // INT
  textures: Pointer   // DWORD*
); stdcall;
  external 'OPENGL32.dll' name 'glDeleteTextures';

result := DllCall("OPENGL32\glDeleteTextures"
    , "Int", n   ; INT
    , "Ptr", textures   ; DWORD*
    , "Int")   ; return: void

●glDeleteTextures(n, textures) = DLL("OPENGL32.dll", "int glDeleteTextures(int, void*)")
# 呼び出し: glDeleteTextures(n, textures)
# n : INT -> "int"
# textures : DWORD* -> "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)。