feat(physics): wire physx sdk into build
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92
engine/third_party/physx/source/foundation/windows/FdWindowsTime.cpp
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92
engine/third_party/physx/source/foundation/windows/FdWindowsTime.cpp
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
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// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
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// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
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#include "foundation/PxTime.h"
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#include "foundation/windows/PxWindowsInclude.h"
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using namespace physx;
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static int64_t getTimeTicks()
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{
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LARGE_INTEGER a;
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QueryPerformanceCounter(&a);
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return a.QuadPart;
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}
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static double getTickDuration()
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{
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LARGE_INTEGER a;
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QueryPerformanceFrequency(&a);
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return 1.0f / double(a.QuadPart);
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}
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static double sTickDuration = getTickDuration();
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static const PxCounterFrequencyToTensOfNanos gCounterFreq = PxTime::getCounterFrequency();
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const PxCounterFrequencyToTensOfNanos& PxTime::getBootCounterFrequency()
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{
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return gCounterFreq;
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}
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PxCounterFrequencyToTensOfNanos PxTime::getCounterFrequency()
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{
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LARGE_INTEGER freq;
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QueryPerformanceFrequency(&freq);
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return PxCounterFrequencyToTensOfNanos(PxTime::sNumTensOfNanoSecondsInASecond, (uint64_t)freq.QuadPart);
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}
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uint64_t PxTime::getCurrentCounterValue()
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{
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LARGE_INTEGER ticks;
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QueryPerformanceCounter(&ticks);
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return (uint64_t)ticks.QuadPart;
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}
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PxTime::PxTime() : mTickCount(0)
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{
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getElapsedSeconds();
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}
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PxTime::Second PxTime::getElapsedSeconds()
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{
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int64_t lastTickCount = mTickCount;
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mTickCount = getTimeTicks();
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return (mTickCount - lastTickCount) * sTickDuration;
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}
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PxTime::Second PxTime::peekElapsedSeconds()
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{
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return (getTimeTicks() - mTickCount) * sTickDuration;
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}
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PxTime::Second PxTime::getLastTime() const
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{
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return mTickCount * sTickDuration;
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}
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