Fix for Tails of Destiny, added some other bits to check for wierd sizes (may never happen). Also put my IF statement back in, seems it does cause problems, commented why

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2972 96395faa-99c1-11dd-bbfe-3dabce05a288

pcsx2/FiFo.cpp

@@ -20,6 +20,7 @@
 #include "Gif.h"
 #include "GS.h"
 #include "Vif.h"
+#include "Vif_Dma.h"
 #include "IPU/IPU.h"
 #include "IPU/IPU_Fifo.h"
 
@@ -64,12 +65,20 @@ void __fastcall ReadFIFO_page_5(u32 mem, u64 *out)
 	if(vif1Regs->stat.FQC == 0) Console.Warning("FQC = 0 on VIF FIFO READ!");
 	if (vif1Regs->stat.FDR)
 	{
+			if(vif1Regs->stat.FQC > vif1.GSLastDownloadSize)
+			{
+				DevCon.Warning("Warning! GS Download size < FIFO count!");
+			}
 			if (vif1Regs->stat.FQC > 0)
 			{
 				GetMTGS().WaitGS();
 				GSreadFIFO(&psHu64(VIF1_FIFO));
 			}
-			if(vif1Regs->stat.FQC > 0)--vif1Regs->stat.FQC;
+			if(vif1Regs->stat.FQC > 0)
+			{
+				--vif1.GSLastDownloadSize;
+				vif1Regs->stat.FQC = min((u32)16, vif1.GSLastDownloadSize);
+			}
 
 			if(vif1Regs->stat.FQC == 0) //We're out of data now so clear this..
 				gifRegs->stat.OPH = false;

pcsx2/Vif1_Dma.cpp

@@ -31,7 +31,7 @@ __forceinline void vif1FLUSH()
 
 void vif1TransferToMemory()
 {
-	int size;
+	u32 size;
 	u64* pMem = (u64*)dmaGetAddr(vif1ch->madr, false);
 
 	// VIF from gsMemory
@@ -53,38 +53,69 @@ void vif1TransferToMemory()
 	//Console.Warning("Real QWC %x", vif1ch->qwc);
     XMMRegisters::Freeze();
 
+	size = min((u32)vif1ch->qwc, vif1.GSLastDownloadSize);
+
 	if (GSreadFIFO2 == NULL)
 	{
-		for (size = vif1ch->qwc; size > 0; --size)
+		for (;size > 0; --size)
 		{
-			if (size > 1)
-			{
-				GetMTGS().WaitGS();
-				GSreadFIFO(&psHu64(VIF1_FIFO));
-			}
+			GetMTGS().WaitGS();
+			GSreadFIFO(&psHu64(VIF1_FIFO));
+
 			pMem[0] = psHu64(VIF1_FIFO);
 			pMem[1] = psHu64(VIF1_FIFO + 8);
 			pMem += 2;
 		}
+		if(vif1ch->qwc > vif1.GSLastDownloadSize)
+		{
+			DevCon.Warning("GS Transfer < VIF QWC, Clearing end of space");
+			for (size = vif1ch->qwc - vif1.GSLastDownloadSize; size > 0; --size)
+			{
+				psHu64(VIF1_FIFO) = 0;
+				psHu64(VIF1_FIFO + 8) = 0;
+				pMem[0] = psHu64(VIF1_FIFO);
+				pMem[1] = psHu64(VIF1_FIFO + 8);
+				pMem += 2;
+			}
+		}
 	}
 	else
 	{
 		GetMTGS().WaitGS();
-		GSreadFIFO2(pMem, vif1ch->qwc);
+		GSreadFIFO2(pMem, size);
 
 		// set incase read
-		psHu64(VIF1_FIFO) = pMem[2*vif1ch->qwc-2];
-		psHu64(VIF1_FIFO + 8) = pMem[2*vif1ch->qwc-1];
+		psHu64(VIF1_FIFO) = pMem[2*size-2];
+		psHu64(VIF1_FIFO + 8) = pMem[2*size-1];
+		pMem += size * 2;
+		if(vif1ch->qwc > vif1.GSLastDownloadSize)
+		{
+			DevCon.Warning("GS Transfer < VIF QWC, Clearing end of space");
+			for (size = vif1ch->qwc - vif1.GSLastDownloadSize; size > 0; --size)
+			{
+				psHu64(VIF1_FIFO) = 0;
+				psHu64(VIF1_FIFO + 8) = 0;
+				pMem[0] = psHu64(VIF1_FIFO);
+				pMem[1] = psHu64(VIF1_FIFO + 8);
+				pMem += 2;
+			}
+		}
 	}
 
+
     XMMRegisters::Thaw();
 
 	g_vifCycles += vif1ch->qwc * 2;
 	vif1ch->madr += vif1ch->qwc * 16; // mgs3 scene changes
 	if(vif1.GSLastDownloadSize > vif1ch->qwc)
-		vif1Regs->stat.FQC = vif1.GSLastDownloadSize - vif1ch->qwc;
+	{
+		vif1.GSLastDownloadSize -= vif1ch->qwc;
+		vif1Regs->stat.FQC = min((u32)16, vif1.GSLastDownloadSize);
+	}
 	else
+	{
 		vif1Regs->stat.FQC = 0;
+	}
 
 	vif1ch->qwc = 0;
 }
@@ -213,7 +244,8 @@ __forceinline void vif1Interrupt()
 		return;
 	}
 
-	vif1Regs->stat.FQC = min(vif1ch->qwc, (u16)16);
+	//We need to check the direction, if it is downloading from the GS, we handle that seperately (KH2 for testing)
+	if (vif1ch->chcr.DIR)vif1Regs->stat.FQC = min(vif1ch->qwc, (u16)16);
 	//Simulated GS transfer time done, clear the flags
 	if(gifRegs->stat.APATH == GIF_APATH2 && (vif1.cmd & 0x70) != 0x50)
 	{

pcsx2/ps2/GIFpath.cpp

@@ -311,12 +311,12 @@ static __forceinline void gsHandler(const u8* pMem)
 				Console.Error("Illegal format for GS upload: SPSM=0%02o", vif1.BITBLTBUF.SPSM);
 			}
 
-			VIF_LOG("GS Download %dx%d SPSM= bpp=%d", vif1.TRXREG.RRW, vif1.TRXREG.RRH, vif1.BITBLTBUF.SPSM, bpp);
+			VIF_LOG("GS Download %dx%d SPSM=%x bpp=%d", vif1.BITBLTBUF.DBP, vif1.TRXREG.RRH, vif1.BITBLTBUF.SPSM, bpp);
 
 			// qwords, rounded down; any extra bits are lost
 			// games must take care to ensure transfer rectangles are exact multiples of a qword
 			vif1.GSLastDownloadSize = vif1.TRXREG.RRW * vif1.TRXREG.RRH * bpp >> 7;
-
+			VIF_LOG("GS Download size %x", vif1.GSLastDownloadSize);
 			gifRegs->stat.OPH = true;
 		}
 	}