Initial commit:

PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617

[CL 21300167]

1 files changed, 92 insertions, 0 deletions

diff --git a/KaplaDemo/samples/sampleViewer3/TerrainRandomSamplePrecompute.cpp b/KaplaDemo/samples/sampleViewer3/TerrainRandomSamplePrecompute.cpp
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+++ b/KaplaDemo/samples/sampleViewer3/TerrainRandomSamplePrecompute.cpp
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+// This code contains NVIDIA Confidential Information and is disclosed to you
+// under a form of NVIDIA software license agreement provided separately to you.
+//
+// Notice
+// NVIDIA Corporation and its licensors retain all intellectual property and
+// proprietary rights in and to this software and 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.
+//
+// ALL NVIDIA DESIGN SPECIFICATIONS, CODE ARE PROVIDED "AS IS.". NVIDIA MAKES
+// NO WARRANTIES, EXPRESSED, IMPLIED, STATUTORY, OR OTHERWISE WITH RESPECT TO
+// THE MATERIALS, AND EXPRESSLY DISCLAIMS ALL IMPLIED WARRANTIES OF NONINFRINGEMENT,
+// MERCHANTABILITY, AND FITNESS FOR A PARTICULAR PURPOSE.
+//
+// Information and code furnished is believed to be accurate and reliable.
+// However, NVIDIA Corporation assumes no responsibility for the consequences of use of such
+// information or for any infringement of patents or other rights of third parties that may
+// result from its use. No license is granted by implication or otherwise under any patent
+// or patent rights of NVIDIA Corporation. Details are subject to change without notice.
+// This code supersedes and replaces all information previously supplied.
+// NVIDIA Corporation products are not authorized for use as critical
+// components in life support devices or systems without express written approval of
+// NVIDIA Corporation.
+//
+// Copyright (c) 2008-2014 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 "TerrainRandomSamplePrecompute.h"
+#include "SceneVehicle.h"
+#include "PxTkStream.h"
+#include "MediaPath.h"
+
+using namespace PxToolkit;
+
+#define WRITE_SEQUENCE 0
+
+PX_FORCE_INLINE PxF32 flip(const PxF32* v)
+{
+	const PxU8* b = (const PxU8*)v;
+	PxF32 f;
+	PxU8* bf = (PxU8*)&f;
+	bf[0] = b[3];
+	bf[1] = b[2];
+	bf[2] = b[1];
+	bf[3] = b[0];
+	return f;
+}
+
+TerrainRandomSamplePrecompute::TerrainRandomSamplePrecompute(SceneVehicle& app, const char* resourcePath)
+	: mPrecomputedRandomSequence(NULL),
+	mPrecomputedRandomSequenceCount(0)
+{
+	mPrecomputedRandomSequence = new PxF32[(sizeof(PxF32)*(PRECOMPUTED_RANDOM_SEQUENCE_SIZE + 1))];
+
+#if WRITE_SEQUENCE
+	char buffer[256];
+	const char* filename = getSampleOutputDirManager().getFilePath("SampleBaseRandomSequence", buffer, false);
+	const PxF32 denom = (1.0f / float(RAND_MAX));
+	for (PxU32 i = 0; i<PRECOMPUTED_RANDOM_SEQUENCE_SIZE; i++)
+	{
+		mPrecomputedRandomSequence[i] = float(rand()) * denom;
+	}
+	mPrecomputedRandomSequence[PRECOMPUTED_RANDOM_SEQUENCE_SIZE] = 1.0f;
+	PxDefaultFileOutputStream stream(filename);
+	stream.write(mPrecomputedRandomSequence, sizeof(PxF32)*(PRECOMPUTED_RANDOM_SEQUENCE_SIZE + 1));
+
+#else
+	const char* filename = FindMediaFile("SampleBaseRandomSequence", resourcePath);
+	PxDefaultFileInputData stream(filename);
+	if (!stream.isValid())
+		printf("SampleBaseRandomSequence file not found");
+	stream.read(mPrecomputedRandomSequence, sizeof(PxF32)*(PRECOMPUTED_RANDOM_SEQUENCE_SIZE + 1));
+
+	const bool mismatch = (1.0f != mPrecomputedRandomSequence[PRECOMPUTED_RANDOM_SEQUENCE_SIZE]);
+	if (mismatch)
+	{
+		for (PxU32 i = 0; i<PRECOMPUTED_RANDOM_SEQUENCE_SIZE; i++)
+		{
+			mPrecomputedRandomSequence[i] = flip(&mPrecomputedRandomSequence[i]);
+		}
+	}
+
+#endif
+}
+
+TerrainRandomSamplePrecompute::~TerrainRandomSamplePrecompute()
+{
+	delete[] mPrecomputedRandomSequence;
+	mPrecomputedRandomSequenceCount = 0;
+}