mirror of https://github.com/PCSX2/pcsx2.git
ReorderingMTGS:
* fixes flickering screen in Soul Calibur 3 (caused by VSYNC register bug) * Optimized upload of queued Path1 transfers; such that all Path1's are uploaded as a single MTGS packet. git-svn-id: http://pcsx2.googlecode.com/svn/branches/ReorderingMTGS@3515 96395faa-99c1-11dd-bbfe-3dabce05a288
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@ -57,21 +57,24 @@ void gsPath1Interrupt()
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if((gifRegs->stat.APATH <= GIF_APATH1 || (gifRegs->stat.IP3 == true && gifRegs->stat.APATH == GIF_APATH3)) && Path1WritePos > 0 && !gifRegs->stat.PSE)
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{
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gifRegs->stat.P1Q = false;
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while(Path1WritePos > 0)
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if (uint size = (Path1WritePos - Path1ReadPos))
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{
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uint size = (Path1WritePos - Path1ReadPos);
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GetMTGS().PrepDataPacket(GIF_PATH_1, size);
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//DevCon.Warning("Flush Size = %x", size);
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uint count = GIFPath_CopyTag(GIF_PATH_1, ((u128*)Path1Buffer) + Path1ReadPos, size);
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GetMTGS().SendDataPacket();
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Path1ReadPos += count;
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if(GSTransferStatus.PTH1 == STOPPED_MODE)
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while(size > 0)
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{
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gifRegs->stat.OPH = false;
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gifRegs->stat.APATH = GIF_APATH_IDLE;
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uint count = GIFPath_CopyTag(GIF_PATH_1, ((u128*)Path1Buffer) + Path1ReadPos, size);
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Path1ReadPos += count;
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size -= count;
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if(GSTransferStatus.PTH1 == STOPPED_MODE)
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{
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gifRegs->stat.OPH = false;
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gifRegs->stat.APATH = GIF_APATH_IDLE;
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}
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}
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GetMTGS().SendDataPacket();
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if(Path1ReadPos == Path1WritePos)
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{
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@ -409,13 +409,16 @@ void SysMtgsThread::ExecuteTaskInThread()
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MTGS_LOG( "(MTGS Packet Read) ringtype=Vsync, field=%u, skip=%s", !!(((u32&)RingBuffer.Regs[0x1000]) & 0x2000) ? 0 : 1, tag.data[1] ? "true" : "false" );
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// Mail in the important GS registers.
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// This seemingly obtuse system is needed in order to handle cases where the vsync data wraps
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// around the edge of the ringbuffer. If not for that I'd just use a struct. >_<
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uint datapos = (m_ReadPos+1) & RingBufferMask;
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MemCopy_WrappedSrc( RingBuffer.m_Ring, datapos, RingBufferSize, (u128*)RingBuffer.Regs, 0xf );
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u32* remainder = (u32*)&RingBuffer[datapos];
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GSCSRr = remainder[0];
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GSIMR = remainder[1];
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GSSIGLBLID = (GSRegSIGBLID&)remainder[2];
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((u32&)RingBuffer.Regs[0x1000]) = remainder[0];
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((u32&)RingBuffer.Regs[0x1010]) = remainder[1];
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((GSRegSIGBLID&)RingBuffer.Regs[0x1080]) = (GSRegSIGBLID&)remainder[2];
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// CSR & 0x2000; is the pageflip id.
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GSvsync(((u32&)RingBuffer.Regs[0x1000]) & 0x2000);
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@ -515,6 +515,7 @@ __forceinline int GIFPath::ParseTagQuick(GIF_PATH pathidx, const u8* pMem, u32 s
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Console.Warning("GIFTAG error, size exceeded VU memory size %x", startSize);
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nloop = 0;
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const_cast<GIFTAG&>(tag).EOP = 1;
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}
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}
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}
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@ -1097,7 +1097,6 @@ void __fastcall mVU_XGKICK_(u32 addr) {
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u8* data = microVU1.regs->Mem + (addr*16);
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u32 diff = 0x400 - addr;
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u32 size;
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u8* pDest;
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if(gifRegs->stat.APATH <= GIF_APATH1 || (gifRegs->stat.APATH == GIF_APATH3 && gifRegs->stat.IP3 == true) && SIGNAL_IMR_Pending == false)
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{
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@ -1120,24 +1119,22 @@ void __fastcall mVU_XGKICK_(u32 addr) {
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{
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//DevCon.Warning("GIF APATH busy %x Holding for later W %x, R %x", gifRegs->stat.APATH, Path1WritePos, Path1ReadPos);
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size = GIFPath_ParseTagQuick(GIF_PATH_1, data, diff);
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pDest = &Path1Buffer[Path1WritePos*16];
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u8* pDest = &Path1Buffer[Path1WritePos*16];
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pxAssumeMsg((Path1WritePos+size < sizeof(Path1Buffer)), "XGKick Buffer Overflow detected on Path1Buffer!");
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Path1WritePos += size;
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pxAssumeMsg((Path1WritePos < sizeof(Path1Buffer)), "XGKick Buffer Overflow detected on Path1Buffer!");
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//DevCon.Warning("Storing size %x PATH 1", size);
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if (size > diff) {
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// fixme: one of these days the following *16's will get cleaned up when we introduce
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// a special qwc/simd16 optimized version of memcpy_aligned. :)
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//DevCon.Status("XGkick Wrap!");
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memcpy_qwc(pDest, microVU1.regs->Mem + (addr*16), diff);
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Path1WritePos += size;
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memcpy_aligned(pDest, microVU1.regs->Mem + (addr*16), diff*16);
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size -= diff;
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pDest += diff*16;
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memcpy_qwc(pDest, microVU1.regs->Mem, size);
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memcpy_aligned(pDest, microVU1.regs->Mem, size*16);
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}
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else {
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memcpy_qwc(pDest, microVU1.regs->Mem + (addr*16), size);
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Path1WritePos += size;
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memcpy_aligned(pDest, microVU1.regs->Mem + (addr*16), size*16);
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}
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//if(!gifRegs->stat.P1Q) CPU_INT(28, 128);
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gifRegs->stat.P1Q = true;
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