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Diffstat (limited to 'thirdparty/embree/common/sys/library.cpp')
-rw-r--r--thirdparty/embree/common/sys/library.cpp83
1 files changed, 83 insertions, 0 deletions
diff --git a/thirdparty/embree/common/sys/library.cpp b/thirdparty/embree/common/sys/library.cpp
new file mode 100644
index 0000000000..fc983dffd5
--- /dev/null
+++ b/thirdparty/embree/common/sys/library.cpp
@@ -0,0 +1,83 @@
+// Copyright 2009-2021 Intel Corporation
+// SPDX-License-Identifier: Apache-2.0
+
+#include "library.h"
+#include "sysinfo.h"
+#include "filename.h"
+
+////////////////////////////////////////////////////////////////////////////////
+/// Windows Platform
+////////////////////////////////////////////////////////////////////////////////
+
+#if defined(__WIN32__)
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+namespace embree
+{
+ /* opens a shared library */
+ lib_t openLibrary(const std::string& file)
+ {
+ std::string fullName = file+".dll";
+ FileName executable = getExecutableFileName();
+ HANDLE handle = LoadLibrary((executable.path() + fullName).c_str());
+ return lib_t(handle);
+ }
+
+ /* returns address of a symbol from the library */
+ void* getSymbol(lib_t lib, const std::string& sym) {
+ return (void*)GetProcAddress(HMODULE(lib),sym.c_str());
+ }
+
+ /* closes the shared library */
+ void closeLibrary(lib_t lib) {
+ FreeLibrary(HMODULE(lib));
+ }
+}
+#endif
+
+////////////////////////////////////////////////////////////////////////////////
+/// Unix Platform
+////////////////////////////////////////////////////////////////////////////////
+
+#if defined(__UNIX__)
+
+#include <dlfcn.h>
+
+namespace embree
+{
+ /* opens a shared library */
+ lib_t openLibrary(const std::string& file)
+ {
+#if defined(__MACOSX__)
+ std::string fullName = "lib"+file+".dylib";
+#else
+ std::string fullName = "lib"+file+".so";
+#endif
+ void* lib = dlopen(fullName.c_str(), RTLD_NOW);
+ if (lib) return lib_t(lib);
+ FileName executable = getExecutableFileName();
+ lib = dlopen((executable.path() + fullName).c_str(),RTLD_NOW);
+ if (lib == nullptr) {
+ const char* error = dlerror();
+ if (error) {
+ THROW_RUNTIME_ERROR(error);
+ } else {
+ THROW_RUNTIME_ERROR("could not load library "+executable.str());
+ }
+ }
+ return lib_t(lib);
+ }
+
+ /* returns address of a symbol from the library */
+ void* getSymbol(lib_t lib, const std::string& sym) {
+ return dlsym(lib,sym.c_str());
+ }
+
+ /* closes the shared library */
+ void closeLibrary(lib_t lib) {
+ dlclose(lib);
+ }
+}
+#endif