feat(physics): wire physx sdk into build

engine/third_party/physx/include/foundation/PxFPU.h

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+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//  * Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+//  * Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in the
+//    documentation and/or other materials provided with the distribution.
+//  * Neither the name of NVIDIA CORPORATION nor the names of its
+//    contributors may be used to endorse or promote products derived
+//    from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#ifndef PX_FPU_H
+#define PX_FPU_H
+
+#include "foundation/PxSimpleTypes.h"
+#include "foundation/PxIntrinsics.h"
+#include "foundation/PxAssert.h"
+#include "foundation/PxFoundationConfig.h"
+
+#define PX_IR(x) ((PxU32&)(x))	// integer representation of a floating-point value.
+#define PX_SIR(x) ((PxI32&)(x))	// signed integer representation of a floating-point value.
+#define PX_FR(x) ((PxReal&)(x))		// floating-point representation of a integer value.
+
+#define PX_FPU_GUARD PxFPUGuard scopedFpGuard;
+#define PX_SIMD_GUARD PxSIMDGuard scopedFpGuard;
+#define PX_SIMD_GUARD_CNDT(x) PxSIMDGuard scopedFpGuard(x);
+
+#if !PX_DOXYGEN
+namespace physx
+{
+#endif
+// sets the default SDK state for scalar and SIMD units
+class PX_FOUNDATION_API PxFPUGuard
+{
+  public:
+	PxFPUGuard();  // set fpu control word for PhysX
+	~PxFPUGuard(); // restore fpu control word
+  private:
+	PxU32 mControlWords[8];
+};
+
+// sets default SDK state for simd unit only, lighter weight than FPUGuard
+class PxSIMDGuard
+{
+  public:
+	PX_INLINE PxSIMDGuard(bool enable = true);  // set simd control word for PhysX
+	PX_INLINE ~PxSIMDGuard(); // restore simd control word
+  private:
+#if !(PX_LINUX || PX_OSX) || (!PX_EMSCRIPTEN && PX_INTEL_FAMILY)
+  PxU32			mControlWord;
+  bool			mEnabled;
+#endif
+};
+
+/**
+\brief Enables floating point exceptions for the scalar and SIMD unit
+*/
+PX_FOUNDATION_API void PxEnableFPExceptions();
+
+/**
+\brief Disables floating point exceptions for the scalar and SIMD unit
+*/
+PX_FOUNDATION_API void PxDisableFPExceptions();
+
+#if !PX_DOXYGEN
+} // namespace physx
+#endif
+
+#if PX_WINDOWS_FAMILY
+#include "foundation/windows/PxWindowsFPU.h"
+#elif (PX_LINUX && PX_SSE2) || PX_OSX
+#include "foundation/unix/PxUnixFPU.h"
+#else
+PX_INLINE physx::PxSIMDGuard::PxSIMDGuard(bool)
+{
+}
+PX_INLINE physx::PxSIMDGuard::~PxSIMDGuard()
+{
+}
+#endif
+
+#endif
+