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Diffstat (limited to 'src/plugins/renderers/opengl/renderer/frameprofiler_p.h')
| -rw-r--r-- | src/plugins/renderers/opengl/renderer/frameprofiler_p.h | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/src/plugins/renderers/opengl/renderer/frameprofiler_p.h b/src/plugins/renderers/opengl/renderer/frameprofiler_p.h new file mode 100644 index 000000000..591ace53e --- /dev/null +++ b/src/plugins/renderers/opengl/renderer/frameprofiler_p.h @@ -0,0 +1,272 @@ +/**************************************************************************** +** +** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB). +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the Qt3D module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** 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 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QT3DRENDER_RENDER_FRAMEPROFILER_P_H +#define QT3DRENDER_RENDER_FRAMEPROFILER_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of other Qt classes. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QOpenGLTimeMonitor> +#include <Qt3DCore/private/qthreadpooler_p.h> +#include <Qt3DCore/private/qt3dcore_global_p.h> +#include <memory> + +QT_BEGIN_NAMESPACE + +#if !defined(QT_NO_OPENGL) && !defined(QT_OPENGL_ES_2) +#define QT3D_SUPPORTS_GL_MONITOR +#endif + +namespace Qt3DCore { +class QSystemInformationService; +} + +namespace Qt3DRender { + +namespace Render { + +namespace Profiling { + +enum RecordingType +{ + DrawArray = 512, + DrawElement, + DispatchCompute, + StateUpdate, + UniformUpdate, + ShaderUpdate, + TextureUpload, + BufferUpload, + ShaderUpload, + ClearBuffer, + VAOUpdate, + VAOUpload, + RenderTargetUpdate +}; + +class FrameTimeRecorder +{ +public: + FrameTimeRecorder(Qt3DCore::QSystemInformationService *service) + : m_service(service) + { + } + + ~FrameTimeRecorder() + { + } + + void init(int eventCount) + { +#ifdef QT3D_SUPPORTS_GL_MONITOR + if (m_monitor.isCreated()) { + m_remainingEvents = m_monitor.sampleCount(); + reset(); + } else { + m_monitor.setSampleCount(eventCount * 2); + m_monitor.create(); + m_remainingEvents = eventCount; + } +#else + m_remainingEvents = eventCount; +#endif + } + + void startRecordEvent() + { +#ifdef QT3D_SUPPORTS_GL_MONITOR + m_monitor.recordSample(); +#endif + --m_remainingEvents; + } + + void recordEvent(RecordingType type) + { +#ifdef QT3D_SUPPORTS_GL_MONITOR + m_monitor.recordSample(); +#endif + --m_remainingEvents; + + GLRecording rec; + rec.type = type; + rec.startTime = Qt3DCore::QSystemInformationServicePrivate::get(m_service)->m_jobsStatTimer.nsecsElapsed(); + m_recordings.push_back(rec); + } + + void reset() + { +#ifdef QT3D_SUPPORTS_GL_MONITOR + m_monitor.reset(); +#endif + m_recordings.clear(); + } + + inline bool canStillRecord() { return m_remainingEvents > 0; } + + bool tryWriteResults() + { +#ifdef QT3D_SUPPORTS_GL_MONITOR + if (m_monitor.isResultAvailable()) { + const QVector<GLuint64> samples = m_monitor.waitForSamples(); + Q_ASSERT(samples.count() >= 2 * m_recordings.count()); + + Qt3DCore::QSystemInformationServicePrivate *dservice = Qt3DCore::QSystemInformationServicePrivate::get(m_service); + + int j = 0; + for (int i = 0, m = m_recordings.size(); i < m; ++i) { + const GLRecording rec = m_recordings.at(i); + Qt3DCore::QSystemInformationServicePrivate::JobRunStats glRecordingStat; + + glRecordingStat.jobId.typeAndInstance[0] = rec.type; + glRecordingStat.jobId.typeAndInstance[1] = 0; + glRecordingStat.threadId = FrameTimeRecorder::GLThreadID; + glRecordingStat.startTime = rec.startTime; + glRecordingStat.endTime = rec.startTime + (samples.at(j + 1) - (samples.at(j))); + + dservice->addSubmissionLogStatsEntry(glRecordingStat); + j += 2; + } + return true; + } +#endif + return false; + } + +private: + struct GLRecording + { + RecordingType type; + qint64 startTime; + }; + + static const int GLThreadID = 0x454; + + Qt3DCore::QSystemInformationService *m_service; +#ifdef QT3D_SUPPORTS_GL_MONITOR + QOpenGLTimeMonitor m_monitor; +#endif + QVector<GLRecording> m_recordings; + int m_remainingEvents = 0; +}; + +class FrameProfiler +{ +public: + FrameProfiler(Qt3DCore::QSystemInformationService *service) + : m_service(service) + , m_currentRecorder(nullptr) + {} + + ~FrameProfiler() + { + qDeleteAll(m_recorders); + } + + void startRecordEvent() + { + if (m_currentRecorder == nullptr) { + if (!m_availableRecorders.empty()) { + m_currentRecorder = m_availableRecorders.takeFirst(); + } else { + m_recorders.push_back(new FrameTimeRecorder(m_service)); + m_currentRecorder = m_recorders.last(); + } + // We record events 10 by 10 + m_currentRecorder->init(10); + } + m_currentRecorder->startRecordEvent(); + } + + void recordEvent(RecordingType type) + { + m_currentRecorder->recordEvent(type); + if (!m_currentRecorder->canStillRecord()) { + m_busyRecorders.push_back(m_currentRecorder); + m_currentRecorder = nullptr; + } + } + + void writeResults() + { + for (int i = m_busyRecorders.size() - 1; i >= 0; --i) { + FrameTimeRecorder *recorder = m_busyRecorders.at(i); + if (recorder->tryWriteResults()) { + m_availableRecorders.push_back(m_busyRecorders.takeAt(i)); + } + } + } + +private: + Qt3DCore::QSystemInformationService *m_service; + QVector<FrameTimeRecorder *> m_recorders; + QVector<FrameTimeRecorder *> m_availableRecorders; + QVector<FrameTimeRecorder *> m_busyRecorders; + FrameTimeRecorder *m_currentRecorder; +}; + + +class GLTimeRecorder +{ +public: + explicit GLTimeRecorder(RecordingType type, FrameProfiler *profiler) + : m_type(type) + , m_frameProfiler(profiler) + { + if (m_frameProfiler) + m_frameProfiler->startRecordEvent(); + } + + ~GLTimeRecorder() + { + if (m_frameProfiler) + m_frameProfiler->recordEvent(m_type); + } + +private: + RecordingType m_type; + FrameProfiler *m_frameProfiler; +}; + +} // Profiling + +} // Render + +} // Qt3DRender + +QT_END_NAMESPACE + +#endif // QT3DRENDER_RENDER_FRAMEPROFILER_P_H |