Fix an issue with BPMEM_LOADTLUT, thanks to revned @ issue 1831, also fix a speed issue int the FIFO loop introduced recently (ZWW was ~20% slower)

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4739 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/VideoCommon/Src/BPStructs.cpp

@@ -55,7 +55,7 @@ void BPWritten(const BPCmd& bp)
 	             some bp cases check the changes variable, because they might not have to be updated all the time
    NOTE: it seems not all bp cases like checking changes, so calling if (bp.changes == 0 ? false : true)
 	     had to be ditched and the games seem to work fine with out it.
-   NOTE2: Yet Another Gamecube Documentation calls them Bypass Registers but possibly completely wrong
+   NOTE2: Yet Another Gamecube Documentation calls them Bypass Raster State Registers but possibly completely wrong
    NOTE3: This controls the register groups: RAS1/2, SU, TF, TEV, C/Z, PEC
    TODO: Turn into function table. The (future) DisplayList (DL) jit can then call the functions directly,
 		getting rid of dynamic dispatch. Unfortunately, few games use DLs properly - most\
@@ -247,8 +247,9 @@ void BPWritten(const BPCmd& bp)
 		        
 			break;
 		}
-	case BPMEM_LOADTLUT0: // Load a Texture Look Up Table
-	case BPMEM_LOADTLUT1:
+	case BPMEM_LOADTLUT0: // This one updates bpmem.tlutXferSrc, no need to do anything here.
+		break;
+	case BPMEM_LOADTLUT1: // Load a Texture Look Up Table
         {
             DVSTARTSUBPROFILE("LoadBPReg:GXLoadTlut");
 

Source/Core/VideoCommon/Src/Fifo.cpp

@@ -133,8 +133,8 @@ void Fifo_EnterLoop(const SVideoInitialize &video_initialize)
     while (fifoStateRun)
     {
 		video_initialize.pPeekMessages();
-		if (g_ActiveConfig.bEFBAccessEnable)
-			VideoFifo_CheckEFBAccess();
+
+		VideoFifo_CheckEFBAccess();
 		VideoFifo_CheckSwapRequest();
 
         // check if we are able to run this buffer
@@ -197,12 +197,11 @@ void Fifo_EnterLoop(const SVideoInitialize &video_initialize)
 
 				CommandProcessor::FifoCriticalLeave();
 
-/*
-				video_initialize.pPeekMessages();
-				if (g_ActiveConfig.bEFBAccessEnable)
-					VideoFifo_CheckEFBAccess();
+				// Those two are pretty important and must be called in the FIFO Loop.
+				// If we don't, s_swapRequested (OGL only) or s_efbAccessRequested won't be set to false
+				// leading the CPU thread to wait in Video_BeginField or Video_AccessEFB thus slowing things down.
+				VideoFifo_CheckEFBAccess();
 				VideoFifo_CheckSwapRequest();
-*/
 			}
 			Common::AtomicStore(_fifo.CPReadIdle, 1);
             CommandProcessor::SetFifoIdleFromVideoPlugin();
@@ -211,7 +210,7 @@ void Fifo_EnterLoop(const SVideoInitialize &video_initialize)
 		{
 			Common::YieldCPU();
 		}
-    }
+	}
 	fifo_exit_event.Set();
 }
 

Source/Core/VideoCommon/VideoCommon.vcproj

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="Windows-1252"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
-	Version="9.00"
+	Version="9,00"
 	Name="VideoCommon"
 	ProjectGUID="{E5D1F0C0-AA07-4841-A4EB-4CF4DAA6B0FA}"
 	RootNamespace="VideoCommon"