Merge pull request #285 from kyzentun/ClearZPref

Added FastNoteRendering preference.

src/NoteField.cpp

@@ -36,8 +36,11 @@ static ThemeMetric<float> FADE_FAIL_TIME( "NoteField", "FadeFailTime" );
 static RString RoutineNoteSkinName( size_t i ) { return ssprintf("RoutineNoteSkinP%i",int(i+1)); }
 static ThemeMetric1D<RString> ROUTINE_NOTESKIN( "NoteField", RoutineNoteSkinName, NUM_PLAYERS );
 
+static bool FAST_NOTE_RENDERING_PREF_CACHED= false;
+
 NoteField::NoteField()
 {
+	FAST_NOTE_RENDERING_PREF_CACHED= PREFSMAN->m_FastNoteRendering;
 	m_pNoteData = NULL;
 	m_pCurDisplay = NULL;
 
@@ -1355,7 +1358,10 @@ void NoteField::DrawPrimitives()
 			bool bNoteIsUpcoming = NoteRowToBeat(q) > m_pPlayerState->GetDisplayedPosition().m_fSongBeat;
 			bAnyUpcomingInThisCol |= bNoteIsUpcoming;
 
-			DISPLAY->ClearZBuffer();
+			if(!FAST_NOTE_RENDERING_PREF_CACHED)
+			{
+				DISPLAY->ClearZBuffer();
+			}
 		}
 
 		cur->m_ReceptorArrowRow.SetNoteUpcoming( c, bAnyUpcomingInThisCol );

src/PrefsManager.cpp

@@ -184,6 +184,7 @@ PrefsManager::PrefsManager() :
 
 	m_bHiddenSongs		( "HiddenSongs",		false ),
 	m_bVsync		( "Vsync",			true ),
+	m_FastNoteRendering("FastNoteRendering", false),
 	m_bInterlaced		( "Interlaced",			false ),
 	m_bPAL			( "PAL",			false ),
 	m_bDelayedTextureDelete	( "DelayedTextureDelete",	false ),

src/PrefsManager.h

@@ -175,6 +175,7 @@ public:
 
 	Preference<bool>	m_bHiddenSongs;
 	Preference<bool>	m_bVsync;
+	Preference<bool>	m_FastNoteRendering;
 	Preference<bool>	m_bInterlaced;
 	Preference<bool>	m_bPAL;
 	Preference<bool>	m_bDelayedTextureDelete;

src/ScreenOptionsMasterPrefs.cpp

@@ -779,6 +779,7 @@ static void InitializeConfOptions()
 	g_ConfOptions.back().m_iEffects = OPT_APPLY_GRAPHICS;
 	ADD( ConfOption( "Vsync",			MovePref<bool>,		"No", "Yes" ) );
 	g_ConfOptions.back().m_iEffects = OPT_APPLY_GRAPHICS;
+	ADD( ConfOption( "FastNoteRendering", MovePref<bool>, "Off", "On"));
 	ADD( ConfOption( "ShowStats",			MovePref<bool>,		"Off","On" ) );
 	ADD( ConfOption( "ShowBanners",			MovePref<bool>,		"Off","On" ) );