179 lines
6.5 KiB
C++
179 lines
6.5 KiB
C++
// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of NVIDIA CORPORATION nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Copyright (c) 2008-2025 NVIDIA Corporation. All rights reserved.
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#ifndef OMNI_PVD_LOADER_H
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#define OMNI_PVD_LOADER_H
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#include "OmniPvdWriter.h"
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#include "OmniPvdReader.h"
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#include "OmniPvdLibraryFunctions.h"
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#include <stdio.h>
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#ifdef OMNI_PVD_WIN
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#ifndef _WINDOWS_ // windows already included otherwise
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#include <foundation/windows/PxWindowsInclude.h>
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#endif
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#elif defined(__linux__)
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#include <dlfcn.h>
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#endif
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class OmniPvdLoader
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{
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public:
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OmniPvdLoader();
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~OmniPvdLoader();
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bool loadOmniPvd(const char *libFile);
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void unloadOmniPvd();
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void* mLibraryHandle;
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createOmniPvdWriterFp mCreateOmniPvdWriter;
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destroyOmniPvdWriterFp mDestroyOmniPvdWriter;
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createOmniPvdReaderFp mCreateOmniPvdReader;
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destroyOmniPvdReaderFp mDestroyOmniPvdReader;
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createOmniPvdFileReadStreamFp mCreateOmniPvdFileReadStream;
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destroyOmniPvdFileReadStreamFp mDestroyOmniPvdFileReadStream;
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createOmniPvdFileWriteStreamFp mCreateOmniPvdFileWriteStream;
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destroyOmniPvdFileWriteStreamFp mDestroyOmniPvdFileWriteStream;
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createOmniPvdMemoryStreamFp mCreateOmniPvdMemoryStream;
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destroyOmniPvdMemoryStreamFp mDestroyOmniPvdMemoryStream;
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};
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inline OmniPvdLoader::OmniPvdLoader()
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{
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mLibraryHandle = 0;
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mCreateOmniPvdWriter = 0;
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mDestroyOmniPvdWriter = 0;
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mCreateOmniPvdReader = 0;
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mDestroyOmniPvdReader = 0;
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mCreateOmniPvdFileReadStream = 0;
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mDestroyOmniPvdFileReadStream = 0;
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mCreateOmniPvdFileWriteStream = 0;
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mDestroyOmniPvdFileWriteStream = 0;
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mCreateOmniPvdMemoryStream = 0;
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mDestroyOmniPvdMemoryStream = 0;
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}
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inline OmniPvdLoader::~OmniPvdLoader()
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{
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unloadOmniPvd();
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}
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inline bool OmniPvdLoader::loadOmniPvd(const char *libFile)
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{
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#ifdef OMNI_PVD_WIN
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mLibraryHandle = LoadLibraryA(libFile);
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#elif defined(__linux__)
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mLibraryHandle = dlopen(libFile, RTLD_NOW);
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#endif
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if (mLibraryHandle)
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{
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#ifdef OMNI_PVD_WIN
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mCreateOmniPvdWriter = (createOmniPvdWriterFp)GetProcAddress((HINSTANCE)mLibraryHandle, "createOmniPvdWriter");
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mDestroyOmniPvdWriter = (destroyOmniPvdWriterFp)GetProcAddress((HINSTANCE)mLibraryHandle, "destroyOmniPvdWriter");
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mCreateOmniPvdReader = (createOmniPvdReaderFp)GetProcAddress((HINSTANCE)mLibraryHandle, "createOmniPvdReader");
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mDestroyOmniPvdReader = (destroyOmniPvdReaderFp)GetProcAddress((HINSTANCE)mLibraryHandle, "destroyOmniPvdReader");
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mCreateOmniPvdFileReadStream = (createOmniPvdFileReadStreamFp)GetProcAddress((HINSTANCE)mLibraryHandle, "createOmniPvdFileReadStream");
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mDestroyOmniPvdFileReadStream = (destroyOmniPvdFileReadStreamFp)GetProcAddress((HINSTANCE)mLibraryHandle, "destroyOmniPvdFileReadStream");
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mCreateOmniPvdFileWriteStream = (createOmniPvdFileWriteStreamFp)GetProcAddress((HINSTANCE)mLibraryHandle, "createOmniPvdFileWriteStream");
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mDestroyOmniPvdFileWriteStream = (destroyOmniPvdFileWriteStreamFp)GetProcAddress((HINSTANCE)mLibraryHandle, "destroyOmniPvdFileWriteStream");
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mCreateOmniPvdMemoryStream = (createOmniPvdMemoryStreamFp)GetProcAddress((HINSTANCE)mLibraryHandle, "createOmniPvdMemoryStream");
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mDestroyOmniPvdMemoryStream = (destroyOmniPvdMemoryStreamFp)GetProcAddress((HINSTANCE)mLibraryHandle, "destroyOmniPvdMemoryStream");
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#elif defined(__linux__)
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mCreateOmniPvdWriter = (createOmniPvdWriterFp)dlsym(mLibraryHandle, "createOmniPvdWriter");
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mDestroyOmniPvdWriter = (destroyOmniPvdWriterFp)dlsym(mLibraryHandle, "destroyOmniPvdWriter");
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mCreateOmniPvdReader = (createOmniPvdReaderFp)dlsym(mLibraryHandle, "createOmniPvdReader");
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mDestroyOmniPvdReader = (destroyOmniPvdReaderFp)dlsym(mLibraryHandle, "destroyOmniPvdReader");
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mCreateOmniPvdFileReadStream = (createOmniPvdFileReadStreamFp)dlsym(mLibraryHandle, "createOmniPvdFileReadStream");
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mDestroyOmniPvdFileReadStream = (destroyOmniPvdFileReadStreamFp)dlsym(mLibraryHandle, "destroyOmniPvdFileReadStream");
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mCreateOmniPvdFileWriteStream = (createOmniPvdFileWriteStreamFp)dlsym(mLibraryHandle, "createOmniPvdFileWriteStream");
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mDestroyOmniPvdFileWriteStream = (destroyOmniPvdFileWriteStreamFp)dlsym(mLibraryHandle, "destroyOmniPvdFileWriteStream");
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mCreateOmniPvdMemoryStream = (createOmniPvdMemoryStreamFp)dlsym(mLibraryHandle, "createOmniPvdMemoryStream");
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mDestroyOmniPvdMemoryStream = (destroyOmniPvdMemoryStreamFp)dlsym(mLibraryHandle, "destroyOmniPvdMemoryStream");
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#endif
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if ((!mCreateOmniPvdWriter) ||
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(!mDestroyOmniPvdWriter) ||
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(!mCreateOmniPvdReader) ||
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(!mDestroyOmniPvdReader) ||
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(!mCreateOmniPvdFileReadStream) ||
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(!mDestroyOmniPvdFileReadStream) ||
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(!mCreateOmniPvdFileWriteStream) ||
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(!mDestroyOmniPvdFileWriteStream) ||
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(!mCreateOmniPvdMemoryStream) ||
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(!mDestroyOmniPvdMemoryStream)
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)
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{
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#ifdef OMNI_PVD_WIN
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FreeLibrary((HINSTANCE)mLibraryHandle);
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#elif defined(__linux__)
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dlclose(mLibraryHandle);
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#endif
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mLibraryHandle = 0;
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return false;
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}
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}
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else {
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return false;
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}
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return true;
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}
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inline void OmniPvdLoader::unloadOmniPvd()
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{
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if (mLibraryHandle)
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{
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#ifdef OMNI_PVD_WIN
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FreeLibrary((HINSTANCE)mLibraryHandle);
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#elif defined(__linux__)
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dlclose(mLibraryHandle);
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#endif
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mLibraryHandle = 0;
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}
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}
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#endif
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