diff options
author | Pasi Keränen <pasi.keranen@qt.io> | 2019-06-06 16:22:02 +0300 |
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committer | Pasi Keränen <pasi.keranen@qt.io> | 2019-06-07 13:52:44 +0300 |
commit | b4954701093739e7a4e54a0669f306922d0d4605 (patch) | |
tree | 73d71319a921234f6b507c9098fdc842f7fe06dc /src/foundation/Qt3DSPerfTimer.h | |
parent | 8548a5f5579e3eee7e5ae6b1f6901dcc8bfee19e (diff) |
Long live the slayer!
Initial commit of OpenGL Runtime to repository.
Based on SHA1 61823aaccc6510699a54b34a2fe3f7523dab3b4e
of qt3dstudio repository.
Task-number: QT3DS-3600
Change-Id: Iaeb80237399f0e5656a19ebec9d1ab3a681d8832
Reviewed-by: Pasi Keränen <pasi.keranen@qt.io>
Diffstat (limited to 'src/foundation/Qt3DSPerfTimer.h')
-rw-r--r-- | src/foundation/Qt3DSPerfTimer.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/src/foundation/Qt3DSPerfTimer.h b/src/foundation/Qt3DSPerfTimer.h new file mode 100644 index 0000000..c63091c --- /dev/null +++ b/src/foundation/Qt3DSPerfTimer.h @@ -0,0 +1,107 @@ +/**************************************************************************** +** +** 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QT3DS_FOUNDATION_PERFTIMER_H +#define QT3DS_FOUNDATION_PERFTIMER_H + +#include "foundation/Qt3DSFoundation.h" +#include "foundation/Qt3DSTime.h" +#include "foundation/Qt3DSRefCounted.h" +#include "foundation/StringTable.h" + +namespace qt3ds { +namespace foundation { + + class IPerfTimer : public NVRefCounted + { + protected: + virtual ~IPerfTimer() {} + public: + // amount is in counter frequency units + virtual void Update(const char *inTag, QT3DSU64 inAmount) = 0; + // Dump current summation of timer data. + virtual void OutputTimerData(QT3DSU32 inFrameCount = 0) = 0; + virtual void ResetTimerData() = 0; + + static IPerfTimer &CreatePerfTimer(NVFoundationBase &inFoundation); + }; + + // Specialize this struct to get the perf timer in different contexts. + template <typename TTimerProvider> + struct STimerProvider + { + static IPerfTimer &getPerfTimer(TTimerProvider &inProvider) + { + return inProvider.getPerfTimer(); + } + }; + + template <typename TTimerProvider> + IPerfTimer &getPerfTimer(TTimerProvider &inProvider) + { + return STimerProvider<TTimerProvider>::getPerfTimer(inProvider); + } + + struct SStackPerfTimer + { + IPerfTimer *m_Timer; + QT3DSU64 m_Start; + const char *m_Id; + + SStackPerfTimer(IPerfTimer &destination, const char *inId) + : m_Timer(&destination) + , m_Start(Time::getCurrentCounterValue()) + , m_Id(inId) + { + } + + SStackPerfTimer(IPerfTimer *destination, const char *inId) + : m_Timer(destination) + , m_Start(Time::getCurrentCounterValue()) + , m_Id(inId) + { + } + + ~SStackPerfTimer() + { + if (m_Timer) { + QT3DSU64 theStop = Time::getCurrentCounterValue(); + QT3DSU64 theAmount = theStop - m_Start; + m_Timer->Update(m_Id, theAmount); + } + } + }; +} +} + +#define QT3DS_FOUNDATION_PERF_SCOPED_TIMER(context, name) \ + SStackPerfTimer __perfTimer(getPerfTimer(context), #name); + +#endif
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