Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 178 insertions, 0 deletions

diff --git a/APEX_1.4/module/clothing/embedded/LowLevelCloth/src/SwCollision.h b/APEX_1.4/module/clothing/embedded/LowLevelCloth/src/SwCollision.h
new file mode 100644
index 00000000..bf5f3177
--- /dev/null
+++ b/APEX_1.4/module/clothing/embedded/LowLevelCloth/src/SwCollision.h
@@ -0,0 +1,178 @@
+/*
+ * Copyright (c) 2008-2015, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * NVIDIA CORPORATION and its licensors retain all intellectual property
+ * and proprietary rights in and to this software, related documentation
+ * and any modifications thereto.  Any use, reproduction, disclosure or
+ * distribution of this software and related documentation without an express
+ * license agreement from NVIDIA CORPORATION is strictly prohibited.
+ */
+
+// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
+// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
+
+#pragma once
+
+#include "Types.h"
+#include "StackAllocator.h"
+#include "Simd4i.h"
+
+#if PX_PROFILE
+#include "PxProfileEventSender.h"
+#include "PxProfileZone.h"
+#else
+namespace physx
+{
+namespace profile
+{
+	class PxProfileZone;
+}
+}
+#endif
+
+namespace nvidia
+{
+namespace cloth
+{
+
+#if PX_PROFILE
+
+struct ProfileZone
+{
+	ProfileZone(const char* name, profile::PxProfileZone* profiler)
+	: mSender(profiler), mEventId(profiler ? profiler->getEventIdForName(name) : uint16_t(-1))
+	{
+		if(mSender)
+			mSender->startEvent(mEventId, (uint64_t)intptr_t(this));
+	}
+
+	~ProfileZone()
+	{
+		if(mSender)
+			mSender->stopEvent(mEventId, (uint64_t)intptr_t(this));
+	}
+
+	void setValue(int64_t value) const
+	{
+		if(mSender)
+			mSender->eventValue(mEventId, (uint64_t)intptr_t(this), value);
+	}
+
+	profile::PxProfileEventSender* mSender;
+	uint16_t mEventId;
+};
+
+#else // PX_PROFILE
+
+struct ProfileZone
+{
+	ProfileZone(const char*, profile::PxProfileZone*)
+	{
+	}
+	void setValue(int64_t) const
+	{
+	}
+};
+
+#endif // PX_PROFILE
+
+class SwCloth;
+struct SwClothData;
+template <typename>
+struct IterationState;
+struct IndexPair;
+struct SphereData;
+struct ConeData;
+struct TriangleData;
+
+typedef StackAllocator<16> SwKernelAllocator;
+
+/**
+   Collision handler for SwSolver.
+ */
+template <typename Simd4f>
+class SwCollision
+{
+	typedef typename Simd4fToSimd4i<Simd4f>::Type Simd4i;
+
+  public:
+	struct ShapeMask
+	{
+		Simd4i mCones;
+		Simd4i mSpheres;
+
+		ShapeMask& operator=(const ShapeMask&);
+		ShapeMask& operator&=(const ShapeMask&);
+	};
+
+	struct CollisionData
+	{
+		CollisionData();
+		SphereData* mSpheres;
+		ConeData* mCones;
+	};
+
+	struct ImpulseAccumulator;
+
+  public:
+	SwCollision(SwClothData& clothData, SwKernelAllocator& alloc, profile::PxProfileZone* profiler);
+	~SwCollision();
+
+	void operator()(const IterationState<Simd4f>& state);
+
+	static size_t estimateTemporaryMemory(const SwCloth& cloth);
+	static size_t estimatePersistentMemory(const SwCloth& cloth);
+
+  private:
+	SwCollision& operator=(const SwCollision&); // not implemented
+	void allocate(CollisionData&);
+	void deallocate(const CollisionData&);
+
+	void computeBounds();
+
+	void buildSphereAcceleration(const SphereData*);
+	void buildConeAcceleration();
+	static void mergeAcceleration(uint32_t*);
+	bool buildAcceleration();
+
+	static ShapeMask getShapeMask(const Simd4f&, const Simd4i*, const Simd4i*);
+	ShapeMask getShapeMask(const Simd4f*) const;
+	ShapeMask getShapeMask(const Simd4f*, const Simd4f*) const;
+
+	void collideSpheres(const Simd4i&, const Simd4f*, ImpulseAccumulator&) const;
+	Simd4i collideCones(const Simd4f*, ImpulseAccumulator&) const;
+
+	void collideSpheres(const Simd4i&, const Simd4f*, Simd4f*, ImpulseAccumulator&) const;
+	Simd4i collideCones(const Simd4f*, Simd4f*, ImpulseAccumulator&) const;
+
+	void collideParticles();
+	void collideVirtualParticles();
+	void collideContinuousParticles();
+
+	void collideConvexes(const IterationState<Simd4f>&);
+	void collideConvexes(const Simd4f*, Simd4f*, ImpulseAccumulator&);
+
+	void collideTriangles(const IterationState<Simd4f>&);
+	void collideTriangles(const TriangleData*, Simd4f*, ImpulseAccumulator&);
+
+  public:
+	// acceleration structure
+	static const uint32_t sGridSize = 8;
+	Simd4i mSphereGrid[6 * sGridSize / 4];
+	Simd4i mConeGrid[6 * sGridSize / 4];
+	Simd4f mGridScale, mGridBias;
+
+	CollisionData mPrevData;
+	CollisionData mCurData;
+
+	SwClothData& mClothData;
+	SwKernelAllocator& mAllocator;
+
+	uint32_t mNumCollisions;
+
+	profile::PxProfileZone* mProfiler;
+
+	static const Simd4f sSkeletonWidth;
+};
+}
+}