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Diffstat (limited to 'vrayPlug/plugin/shaveVraySharedFunctions.cpp')
-rw-r--r--vrayPlug/plugin/shaveVraySharedFunctions.cpp483
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diff --git a/vrayPlug/plugin/shaveVraySharedFunctions.cpp b/vrayPlug/plugin/shaveVraySharedFunctions.cpp
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+// Shave and a Haircut
+// (c) 2019 Epic Games
+// US Patent 6720962
+
+/**********************************************************************
+ *<
+ FILE: shaveVraySharedFunctions.cpp
+
+ DESCRIPTION: Various shared functions
+
+ CREATED BY: Vladimir Dubovoy <[email protected]>
+
+ HISTORY: created 21-08-2008 ( as part of 3ds Max + VRay hair shaders)
+ merged 31-03-2010
+
+ *>
+ **********************************************************************/
+
+#include "shaveVraySharedFunctions.h"
+#include "shaveVrayPlugin.h"
+
+#include <assert.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#ifdef LINUX
+#include <unistd.h>
+#endif
+
+
+#ifdef WIN32
+HINSTANCE hInstance = NULL;
+static HINSTANCE lib_handle = NULL;
+#else
+#include <dlfcn.h>
+#include <unistd.h>
+static void *lib_handle = NULL;
+#endif
+
+PFNCREATEBSDFPOOL CreateShaveBSDFPool = NULL;
+
+static char separator =
+#ifdef WIN32
+';'
+#else
+':'
+#endif
+;
+
+int GetNumPaths(const char* multi)
+{
+ unsigned int len = (unsigned int)strlen(multi);
+ if(len == 0)
+ return 0;
+
+ int n = 1;
+ for(int i = 0; i < len; i++)
+ if(multi[i] == separator)
+ n++;
+
+ return n;
+}
+
+bool GetPath(const char* multi, int idx, char* path)
+{
+ unsigned int len = (unsigned int)strlen(multi);
+ if(len == 0)
+ return false;
+
+ assert(idx >= 0);
+
+ int start = 0;
+ int end = 0;
+ if(idx == 0)
+ {
+ bool found = false;
+ for(int i = 1; i < len; i++)
+ {
+ if(multi[i] == separator)
+ {
+ end = i-1;
+ found = true;
+ break;
+ }
+ }
+ if(!found)
+ end = len-1;
+
+ int j = 0;
+ for(int i = start; i <= end; i++)
+ {
+ path[j] = multi[i];
+ j++;
+ }
+ return true;
+
+ }
+ else
+ {
+ bool found = false;
+ int n = 0;
+ for(int i = 0; i < len; i++)
+ {
+ if(multi[i] == separator)
+ {
+ n++;
+ if(n == idx)
+ {
+ if(i+1 < len)
+ {
+ start = i+1;
+ found = true;
+ }
+ break;
+ }
+ }
+ }
+ if(found)
+ {
+ for(int i = start; i < len; i++)
+ {
+ if(multi[i] == separator)
+ {
+ end = i-1;
+ break;
+ }
+ }
+ if(end == 0)
+ end = len-1;
+
+ if(end > start)
+ {
+ int j = 0;
+ for(int i = start; i <= end; i++)
+ {
+ path[j] = multi[i];
+ j++;
+ }
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+bool LoadShaveBSDFPoolLib(const char* libPath)
+{
+ LOGMSGS("SHADE","LoadShaveBSDFPoolLib from",libPath);
+#if defined(WIN32)
+# ifdef VRAY_DUAL
+# ifdef VRAY30
+# if VRAY_DLL_VERSION < 0x31000
+ const char* dllName = "shaveSh30.dll";
+# elif VRAY_DLL_VERSION < 0x36000
+ const char* dllName = "shaveSh31.dll";
+# else
+ const char* dllName = "shaveSh36.dll";
+# endif
+# elif defined(VRAY40)
+ const char* dllName = "shaveSh40.dll";
+# else
+ const char* dllName = "shaveSh.dll";
+# endif
+# else
+ char* dllName = "shaveSh.dll";
+# endif
+
+ if(!lib_handle)
+ {
+ //look up the paths passed from maya
+ bool found = false;
+ char libname[MAX_PATH]= {'\0'};
+ if(libPath != NULL && strlen(libPath) > 1)
+ {
+ //parse multiple paths
+ int npaths = GetNumPaths(libPath);
+ for(int i = 0; i < npaths; i++)
+ {
+ char libname1[MAX_PATH]= {'\0'};
+ char libPath1[MAX_PATH]= {'\0'};
+ if(GetPath(libPath,i,libPath1))
+ {
+ LOGMSGI("SHADE","File 1 :",i);
+
+ sprintf(libname1,"%s/%s",libPath1,dllName);
+
+ //check file existance
+ struct stat buf;
+ int result = stat( libname1, &buf );
+ if( result != 0 )
+ {
+ LOGMSGS("SHADE",libname1,"not found or can not be opened.");
+ }
+ else
+ {
+ LOGMSGS("SHADE","Found",libname1);
+ strcpy(libname,libname1);
+ found = true;
+ break;
+ }
+ }
+ }
+ }
+ //look into mayaroot/vray/plugins
+ if(!found)
+ {
+ char libname1[MAX_PATH]= {'\0'};
+ char to[MAX_PATH] = {'\0'};
+ char path[MAX_PATH] = {'\0'};
+ if( GetModuleFileName(hInstance, path, MAX_PATH ) )
+ {
+ char drive[6];
+ char dir[MAX_PATH];
+ char file[100];
+ char ext[6];
+
+ errno_t err = _splitpath_s(path,drive,6,dir,MAX_PATH,file,100,ext,6);
+ if(err == 0)
+ {
+ sprintf(to,"%s%s",drive,dir);
+ }
+ }
+ sprintf(libname1,"%s%s",to,dllName);
+#ifdef _DEBUG
+ fprintf(stdout,"LoadShaveBSDFPoolLib: load %s\n",libname);fflush(stdout);
+#endif
+ //check file existance
+ struct stat buf;
+ int result = stat( libname1, &buf );
+ LOGMSG("SHADE","File 2");
+ if( result != 0 )
+ {
+ LOGMSGS("SHADE",libname1,"not found or can not be opened.");
+ }
+ else
+ {
+ LOGMSGS("SHADE","Found",libname1);
+ strcpy(libname,libname1);
+ found = true;
+ }
+ }
+ if(!found) //standalone
+ {
+ char libname1[MAX_PATH]= {'\0'};
+#ifdef _WIN64
+ char* libPath = getenv("VRAY_PLUGINS_x64");
+#else
+ char* libPath = getenv("VRAY_PLUGINS_x86");
+#endif
+ if(libPath && strlen(libPath) > 0)
+ {
+ //parse multiple paths
+ int npaths = GetNumPaths(libPath);
+ for(int i = 0; i < npaths; i++)
+ {
+ char libPath1[MAX_PATH]= {'\0'};
+ char libname1[MAX_PATH]= {'\0'};
+ if(GetPath(libPath,i,libPath1))
+ {
+ sprintf(libname1,"%s/%s",libPath1,dllName);
+
+ LOGMSGI("SHADE","File 3 :",i);
+
+ //check file existance
+ struct stat buf;
+ int result = stat( libname1, &buf );
+ if( result != 0 )
+ {
+ LOGMSGS("SHADE",libname1,"not found or can not be opened.");
+ }
+ else
+ {
+ LOGMSGS("SHADE","Found",libname1);
+ strcpy(libname,libname1);
+ found = true;
+ break;
+ }
+ }
+ }
+ }
+ }
+ fflush(stdout);
+ if(!found)
+ {
+ //do not specify path excplicitly let system find it in libdirs
+ sprintf(libname,"%s",dllName);
+ }
+ lib_handle = LoadLibrary(libname);
+ if (!lib_handle)
+ {
+ int err = GetLastError();
+ LOGMSGI("SHADE","LoadShaveBSDFPoolLib: can not load shaveSh**.dll, error ",err);
+ return false;
+ }
+ CreateShaveBSDFPool = (PFNCREATEBSDFPOOL)GetProcAddress(lib_handle, "CreateShaveBSDFPool");
+ if(CreateShaveBSDFPool == NULL)
+ {
+ int err = GetLastError();
+ LOGMSGI("SHADE","LoadShaveBSDFPoolLib: can not load 'CreateShaveBSDFPool' function, error ",err);
+ return false;
+ }
+
+
+ }
+#elif defined(LINUX)
+# ifdef VRAY_DUAL
+# ifdef VRAY30
+# if VRAY_DLL_VERSION < 0x31000
+ const char* soName = "ShaveSh30.so";
+# elif VRAY_DLL_VERSION < 0x36000
+ const char* soName = "ShaveSh31.so";
+# else
+ const char* soName = "ShaveSh36.so";
+# endif
+# elif defined(VRAY40)
+ const char* soName = "ShaveSh40.so";
+# else
+ const char* soName = "ShaveSh.so";
+# endif
+# else
+ const char* soName = "ShaveSh.so";
+# endif
+
+ if(!lib_handle)
+ {
+ bool found = false;
+ char libname[MAX_PATH]= {'\0'};
+ if(libPath != NULL && strlen(libPath) > 1)
+ {
+ //parse multiple paths
+ int npaths = GetNumPaths(libPath);
+ for(int i = 0; i < npaths; i++)
+ {
+ char libname1[MAX_PATH]= {'\0'};
+ char libPath1[MAX_PATH]= {'\0'};
+ if(GetPath(libPath,i,libPath1))
+ {
+ sprintf(libname1,"%s/%s",libPath1,soName);
+
+ //check file existance
+ struct stat buf;
+ int result = stat( libname1, &buf );
+ if( result != 0 )
+ fprintf(stdout,"File %s (1:%i) \nnot found or can not be opened.\n", libname1,i);
+ else
+ {
+ fprintf(stdout,"Found %s (1:%i).\n", libname1,i);
+ strcpy(libname,libname1);
+ found = true;
+ break;
+ }
+ }
+ }
+ }
+ if(!found)
+ {
+ char id[526] = {'\0'};
+ char path[526] = {'\0'};
+
+ pid_t pid = getpid();
+ sprintf(id, "/proc/%d/exe", getpid());
+ readlink(id, path, 526);
+#ifdef _DEBUG
+ fprintf(stdout,"pid: %d bin path: %s \n",pid,path);
+#endif
+ char* ptr = strstr(path,"bin");
+ if(ptr)
+ {
+ int pos = (ptr - path);
+ int len = (int)strlen(path);
+ for(int i = pos; i < len; i++)
+ path[i] = '\0';
+
+ strcat(path,"vray/vrayplugins/");
+ strcat(path,soName);
+ }
+ else
+ {
+ fprintf(stdout,"LoadShaveBSDFPoolLib: can not find %s dir (%s).\n",soName,path);fflush(stdout);
+ return false;
+ }
+ struct stat buf;
+ int result = stat( path, &buf );
+ if( result != 0 )
+ fprintf(stdout,"File %s (2) not found in \n%s \nor can not be opened.\n",soName, path);
+ else
+ {
+ fprintf(stdout,"File %s (2) is found in \n %s.\n",soName, path);
+ strcpy(libname,path);
+ found = true;
+ }
+ }
+ if(!found) //standalone vray
+ {
+ char libname1[MAX_PATH]= {'\0'};
+#ifdef Bits64_
+ char* libPath = getenv("VRAY_PLUGINS_x64");
+#else
+ char* libPath = getenv("VRAY_PLUGINS_x86");
+#endif
+ if(libPath)
+ {
+ //parse multiple paths
+ int npaths = GetNumPaths(libPath);
+ for(int i = 0; i < npaths; i++)
+ {
+ char libname1[MAX_PATH]= {'\0'};
+ char libPath1[MAX_PATH]= {'\0'};
+ if(GetPath(libPath,i,libPath1))
+ {
+ sprintf(libname1,"%s/%s",libPath1,soName);
+
+ //check file existance
+ struct stat buf;
+ int result = stat( libname1, &buf );
+ if( result != 0 )
+ fprintf(stdout,"File %s (3:%i) \nnot found or can not be opened.\n", libname1,i);
+ else
+ {
+ fprintf(stdout,"Found %s (3:%i).\n", libname1,i);
+ strcpy(libname,libname1);
+ found = true;
+ break;
+ }
+ }
+ }
+ }
+ }
+ if(!found)
+ {
+ //do not specify path excplicitly let system find it in libdirs
+ sprintf(libname,"%s",soName);
+ }
+ lib_handle = dlopen(libname, RTLD_NOW | RTLD_GLOBAL);
+ if (!lib_handle)
+ {
+ printf("LoadShaveBSDFPoolLib: can not load %s\n",soName);
+ char* errstr = dlerror();
+ if (errstr != NULL)
+ fprintf(stdout,"A dynamic linking error occurred: (%s).\n", errstr);
+ fflush(stdout);
+ return false;
+ }
+ CreateShaveBSDFPool = (PFNCREATEBSDFPOOL)dlsym(lib_handle, "CreateShaveBSDFPool");
+ const char* dlsym_error = dlerror();
+ if (dlsym_error || CreateShaveBSDFPool == NULL)
+ {
+ fprintf(stdout,"LoadShaveBSDFPoolLib: can not load 'CreateShaveBSDFPool' function (%s).\n",dlsym_error);fflush(stdout);
+ return false;
+ }
+
+ }
+#else // osx
+ // For MacOS/OS X CreateShaveBSDFPool() is built directly into libvray_Shave*.so. There's
+ // no separate lib to load.
+#endif
+ return true;
+}
+
+void UnLoadShaveBSDFPoolLib()
+{
+#if defined(WIN32) || defined(LINUX)
+ if(lib_handle)
+ {
+#ifdef WIN32
+ FreeLibrary(lib_handle);
+#else
+ dlclose(lib_handle);
+#endif
+ }
+ CreateShaveBSDFPool = NULL;
+ lib_handle = NULL;
+#else // osx
+ // For MacOS/OS X CreateShaveBSDFPool() is built directly into libvray_Shave*.so. There's
+ // no separate lib to unload.
+#endif
+}
+
+
+
+
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