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| author | git perforce import user <a@b> | 2016-10-25 12:29:14 -0600 |
|---|---|---|
| committer | Sheikh Dawood Abdul Ajees <Sheikh Dawood Abdul Ajees> | 2016-10-25 18:56:37 -0500 |
| commit | 3dfe2108cfab31ba3ee5527e217d0d8e99a51162 (patch) | |
| tree | fa6485c169e50d7415a651bf838f5bcd0fd3bfbd /PhysX_3.4/Samples/SampleBase/SampleRandomPrecomputed.cpp | |
| download | physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.tar.xz physx-3.4-3dfe2108cfab31ba3ee5527e217d0d8e99a51162.zip | |
Initial commit:
PhysX 3.4.0 Update @ 21294896
APEX 1.4.0 Update @ 21275617
[CL 21300167]
Diffstat (limited to 'PhysX_3.4/Samples/SampleBase/SampleRandomPrecomputed.cpp')
| -rw-r--r-- | PhysX_3.4/Samples/SampleBase/SampleRandomPrecomputed.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/PhysX_3.4/Samples/SampleBase/SampleRandomPrecomputed.cpp b/PhysX_3.4/Samples/SampleBase/SampleRandomPrecomputed.cpp new file mode 100644 index 00000000..33eeb44b --- /dev/null +++ b/PhysX_3.4/Samples/SampleBase/SampleRandomPrecomputed.cpp @@ -0,0 +1,92 @@ +// 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) 2008-2016 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 "SampleRandomPrecomputed.h" +#include "PhysXSample.h" +#include "SampleAllocator.h" +#include "PxTkStream.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; +} + +SampleRandomPrecomputed::SampleRandomPrecomputed(PhysXSample& app) +: mPrecomputedRandomSequence(NULL), + mPrecomputedRandomSequenceCount(0) +{ + mPrecomputedRandomSequence = (PxF32*)SAMPLE_ALLOC(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 = getSampleMediaFilename("SampleBaseRandomSequence"); + PxDefaultFileInputData stream(filename); + if(!stream.isValid()) + app.fatalError("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 +} + +SampleRandomPrecomputed::~SampleRandomPrecomputed() +{ + SAMPLE_FREE(mPrecomputedRandomSequence); + mPrecomputedRandomSequenceCount=0; +} |