add poly radar pref

no options menu for this; very obscure and, er, we have no room

stepmania/src/PrefsManager.cpp

@@ -78,7 +78,8 @@ PrefsManager::PrefsManager()
 	m_iCoinsPerCredit = 1;
 	m_bJointPremium = false;
 	m_iBoostAppPriority = -1;
-	
+	m_iPolygonRadar = -1;
+
 	/* I'd rather get occasional people asking for support for this even though it's
 	 * already here than lots of people asking why songs aren't being displayed. */
 	m_bHiddenSongs = false;
@@ -148,6 +149,7 @@ void PrefsManager::ReadGlobalPrefsFromDisk( bool bSwitchToLastPlayedGame )
 	ini.GetValueI( "Options", "CoinsPerCredit",				m_iCoinsPerCredit );
 	ini.GetValueB( "Options", "JointPremium",				m_bJointPremium );
 	ini.GetValueI( "Options", "BoostAppPriority",			m_iBoostAppPriority );
+	ini.GetValueI( "Options", "PolygonRadar",				m_iPolygonRadar );
 
 	m_asAdditionalSongFolders.clear();
 	CString sAdditionalSongFolders;
@@ -213,6 +215,7 @@ void PrefsManager::SaveGlobalPrefsToDisk()
 	ini.SetValueI( "Options", "CoinsPerCredit",				m_iCoinsPerCredit );
 	ini.SetValueB( "Options", "JointPremium",				m_bJointPremium );
 	ini.SetValueI( "Options", "BoostAppPriority",			m_iBoostAppPriority );
+	ini.SetValueI( "Options", "PolygonRadar",				m_iPolygonRadar );
 
 	/* Only write these if they aren't the default.  This ensures that we can change
 	 * the default and have it take effect for everyone (except people who

stepmania/src/PrefsManager.h

@@ -63,9 +63,13 @@ public:
 	bool			m_bJointPremium;
 
 
+
 	/* 0 = no; 1 = yes; -1 = auto (do whatever is appropriate for the arch). */
 	int				m_iBoostAppPriority;
 
+	/* 0 = no; 1 = yes; -1 = auto (turn on for known-bad drivers) */
+	int				m_iPolygonRadar;
+
 	CStringArray m_asAdditionalSongFolders;
 	CString m_DWIPath;
 

stepmania/src/RageDisplay.cpp

@@ -23,6 +23,8 @@
 #include "RageTypes.h"
 #include "GameConstantsAndTypes.h"
 #include "StepMania.h"
+/* XXX: remove this once we add oglspecs_t::DisableAALines */
+#include "PrefsManager.h"
 
 #include <math.h>
 
@@ -576,9 +578,11 @@ void RageDisplay::DrawLoop_LinesAndPoints( const RageVertex v[], int iNumVerts,
 
 void RageDisplay::DrawLoop( const RageVertex v[], int iNumVerts, float LineWidth )
 {
-	/* XXX: need to autodetect voodoo 3500 (and any others that need this) */
-//	DrawLoop_LinesAndPoints(v, iNumVerts, LineWidth);
-	DrawLoop_Polys(v, iNumVerts, LineWidth);
+	/* XXX: -1, 0, 1 */
+	if(PREFSMAN->m_iPolygonRadar == 1)
+		DrawLoop_Polys(v, iNumVerts, LineWidth);
+	else
+		DrawLoop_LinesAndPoints(v, iNumVerts, LineWidth);
 }
 
 void RageDisplay::PushMatrix()