1 files changed, 52 insertions, 0 deletions
diff --git a/src/Runtime/Source/foundation/linux/Qt3DSLinuxFPU.cpp b/src/Runtime/Source/foundation/linux/Qt3DSLinuxFPU.cpp
new file mode 100644
index 00000000..c3eae215
--- /dev/null
+++ b/src/Runtime/Source/foundation/linux/Qt3DSLinuxFPU.cpp
@@ -0,0 +1,52 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2012 NVIDIA Corporation.
+** Copyright (C) 2017 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt 3D Studio.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#include "foundation/Qt3DSFPU.h"
+#include <fenv.h>
+
+QT3DS_COMPILE_TIME_ASSERT(8 * sizeof(qt3ds::QT3DSU32) >= sizeof(fenv_t));
+
+qt3ds::foundation::FPUGuard::FPUGuard()
+{
+#ifdef __CYGWIN__
+#pragma message "FPUGuard::FPUGuard() is not implemented"
+#else
+    fegetenv(reinterpret_cast<fenv_t *>(mControlWords));
+    fesetenv(FE_DFL_ENV);
+#endif
+}
+
+qt3ds::foundation::FPUGuard::~FPUGuard()
+{
+#ifdef __CYGWIN__
+#pragma message "FPUGuard::~FPUGuard() is not implemented"
+#else
+    fesetenv(reinterpret_cast<fenv_t *>(mControlWords));
+#endif
+}