working on rendering

tier0/platform.cpp

@@ -117,6 +117,10 @@ PLATFORM_INTERFACE char *Plat_GetExtension( const char *szPath )
 	}
 	return last+1;
 }
+PLATFORM_INTERFACE void Plat_MakeDir( const char *szPath, int iPermissions )
+{
+	mkdir(szPath, ACCESSPERMS);
+}
 
 PLATFORM_INTERFACE void Plat_Backtrace( void )
 {
@@ -196,6 +200,45 @@ PLATFORM_INTERFACE void *Plat_GetProc( void *lib, const char *psz )
 	return (void*)GetProcAddress((HMODULE)lib, psz);
 #endif
 }
+
+PLATFORM_INTERFACE void Plat_SetEnv( const char *szVar, const char *psz )
+{
+	setenv(szVar, psz, true);
+}
+
+PLATFORM_INTERFACE const char *Plat_GetEnv( const char *szVar )
+{
+	return getenv(szVar);
+}
+
+
+PLATFORM_INTERFACE void Plat_SetWorkingDir(  const char *psz )
+{
+
+}
+
+PLATFORM_INTERFACE const char *Plat_GetWorkingDir( void )
+{
+
+}
+
+#ifndef MAX_PATH
+#define MAX_PATH 4096
+#endif
+
+static char s_szExecutablePath[MAX_PATH];
+#ifdef __linux__
+static ssize_t s_iExecutablePathSize = readlink("/proc/self/exe", s_szExecutablePath, MAX_PATH);
+#endif
+
+PLATFORM_INTERFACE const char *Plat_GetExecutablePath( void )
+{
+	return s_szExecutablePath;
+}
+PLATFORM_INTERFACE const char *Plat_GetParentDir( const char *psz )
+{
+}
+
 PLATFORM_INTERFACE void Plat_UnloadLibrary( void *lib )
 {
 #ifdef __linux__