1 files changed, 97 insertions, 0 deletions
diff --git a/src/gui/opengl/platform/egl/qt_egl_p.h b/src/gui/opengl/platform/egl/qt_egl_p.h
new file mode 100644
index 0000000000..1f538e22af
--- /dev/null
+++ b/src/gui/opengl/platform/egl/qt_egl_p.h
@@ -0,0 +1,97 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QT_EGL_P_H
+#define QT_EGL_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+// q(data/text)stream.h must be included before any header file that defines Status
+#include <QtCore/qdatastream.h>
+#include <QtCore/qtextstream.h>
+#include <QtCore/private/qglobal_p.h>
+
+#ifdef QT_EGL_NO_X11
+# ifndef EGL_NO_X11
+#  define EGL_NO_X11
+# endif
+# ifndef MESA_EGL_NO_X11_HEADERS
+#  define MESA_EGL_NO_X11_HEADERS // MESA
+# endif
+# if !defined(Q_OS_INTEGRITY)
+#  define WIN_INTERFACE_CUSTOM   // NV
+# endif // Q_OS_INTEGRITY
+#else // QT_EGL_NO_X11
+// If one has an eglplatform.h with https://github.com/KhronosGroup/EGL-Registry/pull/130
+// that needs USE_X11 to be defined.
+# define USE_X11
+#endif
+
+#ifdef QT_EGL_WAYLAND
+# define WAYLAND // NV
+#endif // QT_EGL_WAYLAND
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include <stdint.h>
+
+QT_BEGIN_NAMESPACE
+
+namespace QtInternal {
+
+template <class FromType, class ToType>
+struct QtEglConverter
+{
+    static inline ToType convert(FromType v)
+    { return v; }
+};
+
+template <>
+struct QtEglConverter<uint32_t, uintptr_t>
+{
+    static inline uintptr_t convert(uint32_t v)
+    { return v; }
+};
+
+#if QT_POINTER_SIZE > 4
+template <>
+struct QtEglConverter<uintptr_t, uint32_t>
+{
+    static inline uint32_t convert(uintptr_t v)
+    { return uint32_t(v); }
+};
+#endif
+
+template <>
+struct QtEglConverter<uint32_t, void *>
+{
+    static inline void *convert(uint32_t v)
+    { return reinterpret_cast<void *>(uintptr_t(v)); }
+};
+
+template <>
+struct QtEglConverter<void *, uint32_t>
+{
+    static inline uint32_t convert(void *v)
+    { return uintptr_t(v); }
+};
+
+} // QtInternal
+
+template <class ToType, class FromType>
+static inline ToType qt_egl_cast(FromType from)
+{ return QtInternal::QtEglConverter<FromType, ToType>::convert(from); }
+
+QT_END_NAMESPACE
+
+#endif // QT_EGL_P_H