/* GDK - The GIMP Drawing Kit
*
* gdkglcontext - win32 - wgl - private . c : Win32 specific OpenGL wrappers
*
* Copyright © 2023 Chun - wei Fan
*
* This library is free software ; you can redistribute it and / or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation ; either
* version 2 of the License , or ( at your option ) any later version .
*
* This library is distributed in the hope that it will be useful ,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE . See the GNU
* Library General Public License for more details .
*
* You should have received a copy of the GNU Library General Public
* License along with this library . If not , see < http : //www.gnu.org/licenses/>.
*/
/*
* These wrapper functions are used when we don ' t want to use the wgl * ( ) core functions
* that we acquire via libepoxy ( such as when we are disposing the Gdk ( W ) GLContext from ,
* different threads , so for these calls , we are actually linking to the system ' s / ICD
* opengl32 . dll directly , so that we are guaranteed that the " right " versions of these
* WGL calls are carried out . This must be a separate source file because we can ' t include
* the system ' s GL / gl . h with epoxy / ( w ) gl . h together in a single source file . We should not
* need to use these when we are creating / initializing a WGL context in GDK , since we should
* be in the same thread at this point .
*/
#define DONT_INCLUDE_LIBEPOXY
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <GL/gl.h>
#include "gdkglcontext-win32.h"
void
gdk_win32_private_wglDeleteContext (HGLRC hglrc)
{
wglDeleteContext (hglrc);
}
HGLRC
gdk_win32_private_wglGetCurrentContext (void )
{
return wglGetCurrentContext ();
}
void epoxy_handle_external_wglMakeCurrent (void );
BOOL
gdk_win32_private_wglMakeCurrent (HDC hdc,
HGLRC hglrc)
{
BOOL ret = wglMakeCurrent (hdc, hglrc);
epoxy_handle_external_wglMakeCurrent ();
return ret;
}
Messung V0.5 in Prozent C=97 H=89 G=93
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(vorverarbeitet am 2026-07-03)
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