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+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Gui module
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPLv3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QRHIPROFILER_H
+#define QRHIPROFILER_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.
+//
+
+#include <private/qrhi_p.h>
+
+QT_BEGIN_NAMESPACE
+
+class QRhiProfilerPrivate;
+class QIODevice;
+
+class Q_GUI_EXPORT QRhiProfiler
+{
+public:
+ enum StreamOp {
+ NewBuffer = 1,
+ ReleaseBuffer,
+ NewBufferStagingArea,
+ ReleaseBufferStagingArea,
+ NewRenderBuffer,
+ ReleaseRenderBuffer,
+ NewTexture,
+ ReleaseTexture,
+ NewTextureStagingArea,
+ ReleaseTextureStagingArea,
+ ResizeSwapChain,
+ ReleaseSwapChain,
+ NewReadbackBuffer,
+ ReleaseReadbackBuffer,
+ GpuMemAllocStats,
+ GpuFrameTime,
+ FrameToFrameTime,
+ FrameBuildTime
+ };
+
+ ~QRhiProfiler();
+
+ void setDevice(QIODevice *device);
+
+ void addVMemAllocatorStats();
+
+ int frameTimingWriteInterval() const;
+ void setFrameTimingWriteInterval(int frameCount);
+
+ struct CpuTime {
+ qint64 minTime = 0;
+ qint64 maxTime = 0;
+ float avgTime = 0;
+ };
+
+ struct GpuTime {
+ float minTime = 0;
+ float maxTime = 0;
+ float avgTime = 0;
+ };
+
+ CpuTime frameToFrameTimes(QRhiSwapChain *sc) const;
+ CpuTime frameBuildTimes(QRhiSwapChain *sc) const; // beginFrame - endFrame
+ GpuTime gpuFrameTimes(QRhiSwapChain *sc) const;
+
+private:
+ Q_DISABLE_COPY(QRhiProfiler)
+ QRhiProfiler();
+ QRhiProfilerPrivate *d;
+ friend class QRhiImplementation;
+ friend class QRhiProfilerPrivate;
+};
+
+Q_DECLARE_TYPEINFO(QRhiProfiler::CpuTime, Q_MOVABLE_TYPE);
+Q_DECLARE_TYPEINFO(QRhiProfiler::GpuTime, Q_MOVABLE_TYPE);
+
+QT_END_NAMESPACE
+
+#endif