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(minor optimization) Let's not even use the GS plugin's Path1 or Path3 parsers anymore. All GIFtags can be sent safely through the GS's hack-free Path2 instead. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@3310 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
Jake.Stine 2010-06-26 07:48:16 +00:00
parent e8f5468491
commit 04e89783cd
4 changed files with 72 additions and 106 deletions
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2
pcsx2/FiFo.cpp
View File

@ -195,7 +195,7 @@ void __fastcall WriteFIFO_page_6(u32 mem, const mem128_t *value)
nloop0_packet[2] = psHu32(GIF_FIFO + 8);
nloop0_packet[3] = psHu32(GIF_FIFO + 12);
Registers::Freeze();
GetMTGS().PrepDataPacket(GIF_PATH_3, nloop0_packet, 1);
GetMTGS().PrepDataPacket(GIF_PATH_3, (u8*)nloop0_packet, 1);
u64* data = (u64*)GetMTGS().GetDataPacketPtr();
data[0] = value[0];
data[1] = value[1];

5
pcsx2/GS.h
View File

@ -245,9 +245,7 @@ extern GS_RegionMode gsRegionMode;
enum MTGS_RingCommand
{
GS_RINGTYPE_P1
, GS_RINGTYPE_P2
, GS_RINGTYPE_P3
GS_RINGTYPE_PATH // GIFpaths 1, 2, and 3
, GS_RINGTYPE_RESTART
, GS_RINGTYPE_VSYNC
, GS_RINGTYPE_FRAMESKIP
@ -319,7 +317,6 @@ public:
int PrepDataPacket( MTGS_RingCommand cmd, u32 size );
int PrepDataPacket( GIF_PATH pathidx, const u8* srcdata, u32 size );
int PrepDataPacket( GIF_PATH pathidx, const u32* srcdata, u32 size );
void SendDataPacket();
void SendGameCRC( u32 crc );
void WaitForOpen();

2
pcsx2/Gif.cpp
View File

@ -143,7 +143,7 @@ __forceinline void gsInterrupt()
static u32 WRITERING_DMA(u32 *pMem, u32 qwc)
{
int size = GetMTGS().PrepDataPacket(GIF_PATH_3, pMem, qwc);
int size = GetMTGS().PrepDataPacket(GIF_PATH_3, (u8*)pMem, qwc);
u8* pgsmem = GetMTGS().GetDataPacketPtr();
memcpy_aligned(pgsmem, pMem, size<<4);

47
pcsx2/MTGS.cpp
View File

@ -326,48 +326,24 @@ void SysMtgsThread::ExecuteTaskInThread()
switch( tag.command )
{
case GS_RINGTYPE_P1:
{
const int qsize = tag.data[0];
const u128* data = &RingBuffer[m_RingPos+1];
MTGS_LOG( "(MTGS Packet Read) ringtype=P1, qwc=%u", qsize );
// make sure that tag>>16 is the MAX size readable
GSgifTransfer1((u32*)(data - 0x400 + qsize), 0x4000-qsize*16);
//GSgifTransfer1((u32*)data, qsize);
ringposinc += qsize;
}
break;
case GS_RINGTYPE_P2:
case GS_RINGTYPE_PATH:
{
const int qsize = tag.data[0];
const u128* data = &RingBuffer[m_RingPos+1];
MTGS_LOG( "(MTGS Packet Read) ringtype=P2, qwc=%u", qsize );
// All GIFpath data is sent through Path2, which is the hack-free giftag
// parser on the GS plugin side of the world. PCSX2 now handles *all* the
// hacks, wrap-arounds, and (soon!) partial transfers during its own internal
// GIFtag parse, so the hack-free path on the GS is the preferred one for
// all packets. -air
GSgifTransfer2((u32*)data, qsize);
ringposinc += qsize;
}
break;
case GS_RINGTYPE_P3:
{
const int qsize = tag.data[0];
const u128* data = &RingBuffer[m_RingPos+1];
MTGS_LOG( "(MTGS Packet Read) ringtype=P3, qwc=%u", qsize );
GSgifTransfer3((u32*)data, qsize);
ringposinc += qsize;
}
break;
default:
{
switch( tag.command )
{
case GS_RINGTYPE_RESTART:
//MTGS_LOG( "(MTGS Packet Read) ringtype=Restart" );
m_RingPos = 0;
@ -445,8 +421,6 @@ void SysMtgsThread::ExecuteTaskInThread()
jNO_DEFAULT;
#endif
}
}
}
uint newringpos = m_RingPos + ringposinc;
pxAssert( newringpos <= RingBufferSize );
@ -594,11 +568,6 @@ void SysMtgsThread::SendDataPacket()
//m_PacketLocker.Release();
}
int SysMtgsThread::PrepDataPacket( GIF_PATH pathidx, const u32* srcdata, u32 size )
{
return PrepDataPacket( pathidx, (u8*)srcdata, size );
}
int SysMtgsThread::PrepDataPacket( MTGS_RingCommand cmd, u32 size )
{
// Note on volatiles: m_WritePos is not modified by the GS thread, so there's no need
@ -756,7 +725,7 @@ int SysMtgsThread::PrepDataPacket( GIF_PATH pathidx, const u8* srcdata, u32 size
{
//m_PacketLocker.Acquire();
return PrepDataPacket( (MTGS_RingCommand)pathidx, GIFPath_ParseTag(pathidx, srcdata, size) );
return PrepDataPacket( GS_RINGTYPE_PATH, GIFPath_ParseTag(pathidx, srcdata, size) );
}
void SysMtgsThread::RestartRingbuffer( uint packsize )