feat(physics): wire physx sdk into build

engine/third_party/physx/source/foundation/unix/FdUnixAtomic.cpp

@@ -0,0 +1,171 @@
+// 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.
+
+#include "foundation/PxAtomic.h"
+
+#if ! PX_EMSCRIPTEN
+#define PAUSE() asm("nop")
+#else
+#define PAUSE()
+#endif
+
+namespace physx
+{
+
+void* PxAtomicCompareExchangePointer(volatile void** dest, void* exch, void* comp)
+{
+	return __sync_val_compare_and_swap(const_cast<void**>(dest), comp, exch);
+}
+
+PxI32 PxAtomicCompareExchange(volatile PxI32* dest, PxI32 exch, PxI32 comp)
+{
+	return __sync_val_compare_and_swap(dest, comp, exch);
+}
+
+PxI64 PxAtomicCompareExchange(volatile PxI64* dest, PxI64 exch, PxI64 comp)
+{
+	return __sync_val_compare_and_swap(dest, comp, exch);
+}
+
+PxI32 PxAtomicIncrement(volatile PxI32* val)
+{
+	return __sync_add_and_fetch(val, 1);
+}
+
+PxI64 PxAtomicIncrement(volatile PxI64* val)
+{
+	return __sync_add_and_fetch(val, 1);
+}
+
+PxI32 PxAtomicDecrement(volatile PxI32* val)
+{
+	return __sync_sub_and_fetch(val, 1);
+}
+
+PxI64 PxAtomicDecrement(volatile PxI64* val)
+{
+	return __sync_sub_and_fetch(val, 1);
+}
+
+PxI32 PxAtomicAdd(volatile PxI32* val, PxI32 delta)
+{
+	return __sync_add_and_fetch(val, delta);
+}
+
+PxI64 PxAtomicAdd(volatile PxI64* val, PxI64 delta)
+{
+	return __sync_add_and_fetch(val, delta);
+}
+
+PxI32 PxAtomicMax(volatile PxI32* val, PxI32 val2)
+{
+	PxI32 oldVal, newVal;
+
+	do
+	{
+		PAUSE();
+		oldVal = *val;
+
+		if(val2 > oldVal)
+			newVal = val2;
+		else
+			newVal = oldVal;
+
+	} while(PxAtomicCompareExchange(val, newVal, oldVal) != oldVal);
+
+	return *val;
+}
+
+PxI64 PxAtomicMax(volatile PxI64* val, PxI64 val2)
+{
+	PxI64 oldVal, newVal;
+
+	do
+	{
+		PAUSE();
+		oldVal = *val;
+
+		if(val2 > oldVal)
+			newVal = val2;
+		else
+			newVal = oldVal;
+
+	} while(PxAtomicCompareExchange(val, newVal, oldVal) != oldVal);
+
+	return *val;
+}
+
+PxI32 PxAtomicExchange(volatile PxI32* val, PxI32 val2)
+{
+	PxI32 newVal, oldVal;
+
+	do
+	{
+		PAUSE();
+		oldVal = *val;
+		newVal = val2;
+	} while(PxAtomicCompareExchange(val, newVal, oldVal) != oldVal);
+
+	return oldVal;
+}
+
+PxI64 PxAtomicExchange(volatile PxI64* val, PxI64 val2)
+{
+	PxI64 newVal, oldVal;
+
+	do
+	{
+		PAUSE();
+		oldVal = *val;
+		newVal = val2;
+	} while(PxAtomicCompareExchange(val, newVal, oldVal) != oldVal);
+
+	return oldVal;
+}
+
+PxI32 PxAtomicOr(volatile PxI32* val, PxI32 mask)
+{
+	return __sync_or_and_fetch(val, mask);
+}
+
+PxI64 PxAtomicOr(volatile PxI64* val, PxI64 mask)
+{
+	return __sync_or_and_fetch(val, mask);
+}
+
+PxI32 PxAtomicAnd(volatile PxI32* val, PxI32 mask)
+{
+	return __sync_and_and_fetch(val, mask);
+}
+
+PxI64 PxAtomicAnd(volatile PxI64* val, PxI64 mask)
+{
+	return __sync_and_and_fetch(val, mask);
+}
+
+} // namespace physx