1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2019 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the Qt Gui module 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL3$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPLv3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or later as published by the Free 28 ** Software Foundation and appearing in the file LICENSE.GPL included in 29 ** the packaging of this file. Please review the following information to 30 ** ensure the GNU General Public License version 2.0 requirements will be 31 ** met: http://www.gnu.org/licenses/gpl-2.0.html. 32 ** 33 ** $QT_END_LICENSE$ 34 ** 35 ****************************************************************************/ 36 37 #ifndef QRHIPROFILER_H 38 #define QRHIPROFILER_H 39 40 // 41 // W A R N I N G 42 // ------------- 43 // 44 // This file is not part of the Qt API. It exists purely as an 45 // implementation detail. This header file may change from version to 46 // version without notice, or even be removed. 47 // 48 // We mean it. 49 // 50 51 #include <private/qrhi_p.h> 52 53 QT_BEGIN_NAMESPACE 54 55 class QRhiProfilerPrivate; 56 class QIODevice; 57 58 class Q_GUI_EXPORT QRhiProfiler 59 { 60 public: 61 enum StreamOp { 62 NewBuffer = 1, 63 ReleaseBuffer, 64 NewBufferStagingArea, 65 ReleaseBufferStagingArea, 66 NewRenderBuffer, 67 ReleaseRenderBuffer, 68 NewTexture, 69 ReleaseTexture, 70 NewTextureStagingArea, 71 ReleaseTextureStagingArea, 72 ResizeSwapChain, 73 ReleaseSwapChain, 74 NewReadbackBuffer, 75 ReleaseReadbackBuffer, 76 GpuMemAllocStats, 77 GpuFrameTime, 78 FrameToFrameTime, 79 FrameBuildTime 80 }; 81 82 ~QRhiProfiler(); 83 84 void setDevice(QIODevice *device); 85 86 void addVMemAllocatorStats(); 87 88 int frameTimingWriteInterval() const; 89 void setFrameTimingWriteInterval(int frameCount); 90 91 struct CpuTime { 92 qint64 minTime = 0; 93 qint64 maxTime = 0; 94 float avgTime = 0; 95 }; 96 97 struct GpuTime { 98 float minTime = 0; 99 float maxTime = 0; 100 float avgTime = 0; 101 }; 102 103 CpuTime frameToFrameTimes(QRhiSwapChain *sc) const; 104 CpuTime frameBuildTimes(QRhiSwapChain *sc) const; // beginFrame - endFrame 105 GpuTime gpuFrameTimes(QRhiSwapChain *sc) const; 106 107 private: 108 Q_DISABLE_COPY(QRhiProfiler) 109 QRhiProfiler(); 110 QRhiProfilerPrivate *d; 111 friend class QRhiImplementation; 112 friend class QRhiProfilerPrivate; 113 }; 114 115 Q_DECLARE_TYPEINFO(QRhiProfiler::CpuTime, Q_MOVABLE_TYPE); 116 Q_DECLARE_TYPEINFO(QRhiProfiler::GpuTime, Q_MOVABLE_TYPE); 117 118 QT_END_NAMESPACE 119 120 #endif 121