gstreamer/ext/qt/gstqtgl.h

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/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
*
* 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, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/* qt uses the same trick as us to typedef GLsync on gles2 but to a different
* type which confuses the preprocessor. As it's never actually used by qt
* public headers, define it to something else to avoid redefinition
* warnings/errors */
#include <gst/gl/gstglconfig.h>
#include <gst/gl/gstglfuncs.h>
#include <QtCore/qglobal.h>
#if (QT_VERSION >= QT_VERSION_CHECK(5, 9, 0))
#include <QtGui/qtgui-config.h>
#endif
/* The glext.h guard was renamed in 2018, but some software which
* includes their own copy of the GL headers (such as qt) might have
* older version which use the old guard. This would result in the
* header being included again (and symbols redefined).
*
* To avoid this, we define the "old" guard if the "new" guard is
* defined.*/
#if GST_GL_HAVE_OPENGL
#ifdef __gl_glext_h_
#ifndef __glext_h_
#define __glext_h_ 1
#endif
#endif
#endif
#if defined(QT_OPENGL_ES_2)
#define GLsync gst_qt_GLsync
#include <QOpenGLContext>
#include <QOpenGLFunctions>
#undef GLsync
#endif /* defined(QT_OPENGL_ES_2) */