+#ifdef WIN32
+# ifndef DONT_USE_SETDLLDIRECTORY
+# define _WIN32_WINNT 0x0502
+# endif
+#endif
+
#include "quakedef.h"
#define SUPPORTDLL
===============================================================================
*/
+static qboolean Sys_LoadLibraryFunctions(dllhandle_t dllhandle, const dllfunction_t *fcts, qboolean complain, qboolean has_next)
+{
+ const dllfunction_t *func;
+ if(dllhandle)
+ {
+ for (func = fcts; func && func->name != NULL; func++)
+ if (!(*func->funcvariable = (void *) Sys_GetProcAddress (dllhandle, func->name)))
+ {
+ if(complain)
+ {
+ Con_DPrintf (" - missing function \"%s\" - broken library!", func->name);
+ if(has_next)
+ Con_DPrintf("\nContinuing with");
+ }
+ goto notfound;
+ }
+ return true;
+
+ notfound:
+ for (func = fcts; func && func->name != NULL; func++)
+ *func->funcvariable = NULL;
+ }
+ return false;
+}
+
qboolean Sys_LoadLibrary (const char** dllnames, dllhandle_t* handle, const dllfunction_t *fcts)
{
#ifdef SUPPORTDLL
#ifndef WIN32
#ifdef PREFER_PRELOAD
dllhandle = dlopen(NULL, RTLD_LAZY | RTLD_GLOBAL);
- if(dllhandle)
+ if(Sys_LoadLibraryFunctions(dllhandle, fcts, false, false))
{
- for (func = fcts; func && func->name != NULL; func++)
- if (!(*func->funcvariable = (void *) Sys_GetProcAddress (dllhandle, func->name)))
- {
- dlclose(dllhandle);
- goto notfound;
- }
Con_DPrintf ("All of %s's functions were already linked in! Not loading dynamically...\n", dllnames[0]);
*handle = dllhandle;
return true;
}
+ else
+ Sys_UnloadLibrary(&dllhandle);
notfound:
#endif
#endif
{
Con_DPrintf (" \"%s\"", dllnames[i]);
#ifdef WIN32
+# ifndef DONT_USE_SETDLLDIRECTORY
+# ifdef _WIN64
+ SetDllDirectory("bin64");
+# else
+ SetDllDirectory("bin32");
+# endif
+# endif
dllhandle = LoadLibrary (dllnames[i]);
+ // no need to unset this - we want ALL dlls to be loaded from there, anyway
#else
dllhandle = dlopen (dllnames[i], RTLD_LAZY | RTLD_GLOBAL);
#endif
- if (dllhandle)
+ if (Sys_LoadLibraryFunctions(dllhandle, fcts, true, (dllnames[i+1] != NULL) || (strrchr(com_argv[0], '/'))))
break;
+ else
+ Sys_UnloadLibrary (&dllhandle);
}
// see if the names can be loaded relative to the executable path
#else
dllhandle = dlopen (temp, RTLD_LAZY | RTLD_GLOBAL);
#endif
- if (dllhandle)
+ if (Sys_LoadLibraryFunctions(dllhandle, fcts, true, dllnames[i+1] != NULL))
break;
+ else
+ Sys_UnloadLibrary (&dllhandle);
}
}
Con_DPrintf(" - loaded.\n");
- // Get the function adresses
- for (func = fcts; func && func->name != NULL; func++)
- if (!(*func->funcvariable = (void *) Sys_GetProcAddress (dllhandle, func->name)))
- {
- Con_DPrintf ("Missing function \"%s\" - broken library!\n", func->name);
- Sys_UnloadLibrary (&dllhandle);
- return false;
- }
-
*handle = dllhandle;
return true;
#else
# define HAVE_GETTIMEOFDAY 1
#endif
-#ifdef FD_SET
-# define HAVE_SELECT 1
+#ifndef WIN32
+// on Win32, select() cannot be used with all three FD list args being NULL according to MSDN
+// (so much for POSIX...)
+# ifdef FD_SET
+# define HAVE_SELECT 1
+# endif
#endif
#ifndef WIN32
static cvar_t sys_useclockgettime = {CVAR_SAVE, "sys_useclockgettime", "0", "use POSIX clock_gettime function (which has issues if the system clock speed is far off, as it can't get fixed by NTP) for timing rather than gettimeofday (which has issues if the system time is stepped by ntpdate, or apparently on some Xen installations)"};
#endif
-static unsigned long benchmark_time;
+static double benchmark_time; // actually always contains an integer amount of milliseconds, will eventually "overflow"
void Sys_Init_Commands (void)
{
double newtime;
if(sys_usenoclockbutbenchmark.integer)
{
+ double old_benchmark_time = benchmark_time;
benchmark_time += 1;
- return ((double) benchmark_time) / 1e6;
+ if(benchmark_time == old_benchmark_time)
+ Sys_Error("sys_usenoclockbutbenchmark cannot run any longer, sorry");
+ return benchmark_time * 0.000001;
}
// first all the OPTIONAL timers
double t = 0;
if(sys_usenoclockbutbenchmark.integer)
{
- benchmark_time += microseconds;
+ if(microseconds)
+ {
+ double old_benchmark_time = benchmark_time;
+ benchmark_time += microseconds;
+ if(benchmark_time == old_benchmark_time)
+ Sys_Error("sys_usenoclockbutbenchmark cannot run any longer, sorry");
+ }
return;
}
if(sys_debugsleep.integer)
return;
com_selffd = FS_SysOpenFD(Sys_FindExecutableName(), "rb", false);
}
+
+// for x86 cpus only... (x64 has SSE2_PRESENT)
+#if defined(SSE_POSSIBLE) && !defined(SSE2_PRESENT)
+// code from SDL, shortened as we can expect CPUID to work
+static int CPUID_Features(void)
+{
+ int features = 0;
+# if defined(__GNUC__) && defined(__i386__)
+ __asm__ (
+" movl %%ebx,%%edi\n"
+" xorl %%eax,%%eax \n"
+" incl %%eax \n"
+" cpuid # Get family/model/stepping/features\n"
+" movl %%edx,%0 \n"
+" movl %%edi,%%ebx\n"
+ : "=m" (features)
+ :
+ : "%eax", "%ecx", "%edx", "%edi"
+ );
+# elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
+ __asm {
+ xor eax, eax
+ inc eax
+ cpuid ; Get family/model/stepping/features
+ mov features, edx
+ }
+# else
+# error SSE_POSSIBLE set but no CPUID implementation
+# endif
+ return features;
+}
+
+qboolean Sys_HaveSSE(void)
+{
+ // COMMANDLINEOPTION: SSE: -nosse disables SSE support and detection
+ if(COM_CheckParm("-nosse"))
+ return false;
+ // COMMANDLINEOPTION: SSE: -forcesse enables SSE support and disables detection
+ if(COM_CheckParm("-forcesse") || COM_CheckParm("-forcesse2"))
+ return true;
+ if(CPUID_Features() & (1 << 25))
+ return true;
+ return false;
+}
+
+qboolean Sys_HaveSSE2(void)
+{
+ // COMMANDLINEOPTION: SSE2: -nosse2 disables SSE2 support and detection
+ if(COM_CheckParm("-nosse") || COM_CheckParm("-nosse2"))
+ return false;
+ // COMMANDLINEOPTION: SSE2: -forcesse2 enables SSE2 support and disables detection
+ if(COM_CheckParm("-forcesse2"))
+ return true;
+ if((CPUID_Features() & (3 << 25)) == (3 << 25)) // SSE is 1<<25, SSE2 is 1<<26
+ return true;
+ return false;
+}
+#endif
projects / xonotic / darkplaces.git / blobdiff