Better altivec cvar handling. Should fix crashes at startup, or curious

people that toggle it on at runtime on a G3.


git-svn-id: svn://svn.icculus.org/quake3/trunk@410 edf5b092-35ff-0310-97b2-ce42778d08ea

1 files changed, 5 insertions, 9 deletions

diff --git a/code/unix/unix_main.c b/code/unix/unix_main.c
index f347027..87ee005 100644
--- a/code/unix/unix_main.c
+++ b/code/unix/unix_main.c
@@ -377,12 +377,11 @@ static void illegal_instruction(int sig)
 }
 #endif
 
-static void Sys_DetectAltivec(void)
+qboolean Sys_DetectAltivec( void )
 {
-  // Only detect if user hasn't forcibly disabled it.
-  if (com_altivec->integer) {
-#if idppc_altivec
     qboolean altivec = qfalse;
+
+#if idppc_altivec
     #ifdef MACOS_X
     long feat = 0;
     OSErr err = Gestalt(gestaltPowerPCProcessorFeatures, &feat);
@@ -401,12 +400,9 @@ static void Sys_DetectAltivec(void)
     }
     signal(SIGILL, handler);
     #endif
-
-    if (!altivec) {
-      Cvar_Set( "com_altivec", "0" );  // we don't have it! Disable support!
-    }
 #endif
-  }
+
+    return altivec;
 }
 
 void Sys_Init(void)