uint32 CGIF::ProcessPacket(uint8* memory, uint32 address, uint32 end, const CGsPacketMetadata& packetMetadata)
{
std::unique_lock<std::mutex> pathLock(m_pathMutex);
static CGSHandler::RegisterWriteList writeList;
#ifdef PROFILE
CProfilerZone profilerZone(m_gifProfilerZone);
#endif
#ifdef _DEBUG
CLog::GetInstance().Print(LOG_NAME, "Received GIF packet on path %d at 0x%0.8X of 0x%0.8X bytes.\r\n",
packetMetadata.pathIndex, address, end - address);
#endif
writeList.clear();
uint32 start = address;
while(address < end)
{
if(m_loops == 0)
{
if(m_eop)
{
m_eop = false;
break;
}
//We need to update the registers
TAG tag = *reinterpret_cast<TAG*>(&memory[address]);
address += 0x10;
m_loops = tag.loops;
m_cmd = tag.cmd;
m_regs = tag.nreg;
m_regList = tag.regs;
m_eop = (tag.eop != 0);
if(m_cmd != 1)
{
if(tag.pre != 0)
{
writeList.push_back(CGSHandler::RegisterWrite(GS_REG_PRIM, static_cast<uint64>(tag.prim)));
}
}
if(m_regs == 0) m_regs = 0x10;
m_regsTemp = m_regs;
continue;
}
switch(m_cmd)
{
case 0x00:
address += ProcessPacked(writeList, memory, address, end);
break;
case 0x01:
address += ProcessRegList(writeList, memory, address, end);
break;
case 0x02:
case 0x03:
address += ProcessImage(memory, address, end);
break;
}
}
if(m_loops == 0)
{
if(m_eop)
{
m_eop = false;
}
}
if((m_gs != nullptr) && !writeList.empty())
{
m_gs->WriteRegisterMassively(writeList.data(), static_cast<unsigned int>(writeList.size()), &packetMetadata);
}
#ifdef _DEBUG
CLog::GetInstance().Print(LOG_NAME, "Processed 0x%0.8X bytes.\r\n", address - start);
#endif
return address - start;
}
uint32 CGIF::ProcessPacket(uint8* memory, uint32 address, uint32 end, const CGsPacketMetadata& packetMetadata)
{
std::unique_lock<std::mutex> pathLock(m_pathMutex);
static CGSHandler::RegisterWriteList writeList;
static const auto flushWriteList =
[] (CGSHandler* gs, const CGsPacketMetadata& packetMetadata)
{
if((gs != nullptr) && !writeList.empty())
{
gs->WriteRegisterMassively(writeList.data(), static_cast<unsigned int>(writeList.size()), &packetMetadata);
}
writeList.clear();
};
#ifdef PROFILE
CProfilerZone profilerZone(m_gifProfilerZone);
#endif
#if defined(_DEBUG) && defined(DEBUGGER_INCLUDED)
CLog::GetInstance().Print(LOG_NAME, "Received GIF packet on path %d at 0x%0.8X of 0x%0.8X bytes.\r\n",
packetMetadata.pathIndex, address, end - address);
#endif
writeList.clear();
uint32 start = address;
while(address < end)
{
if(m_loops == 0)
{
if(m_eop)
{
m_eop = false;
break;
}
//We need to update the registers
TAG tag = *reinterpret_cast<TAG*>(&memory[address]);
address += 0x10;
m_loops = tag.loops;
m_cmd = tag.cmd;
m_regs = tag.nreg;
m_regList = tag.regs;
m_eop = (tag.eop != 0);
if(m_cmd != 1)
{
if(tag.pre != 0)
{
writeList.push_back(CGSHandler::RegisterWrite(GS_REG_PRIM, static_cast<uint64>(tag.prim)));
}
}
if(m_regs == 0) m_regs = 0x10;
m_regsTemp = m_regs;
continue;
}
switch(m_cmd)
{
case 0x00:
address += ProcessPacked(writeList, memory, address, end);
break;
case 0x01:
address += ProcessRegList(writeList, memory, address, end);
break;
case 0x02:
case 0x03:
//We need to flush our list here because image data can be embedded in a GIF packet
//that specifies pixel transfer information in GS registers (and that has to be send first)
//This is done by FFX
flushWriteList(m_gs, packetMetadata);
address += ProcessImage(memory, address, end);
break;
}
}
if(m_loops == 0)
{
if(m_eop)
{
m_eop = false;
}
}
flushWriteList(m_gs, packetMetadata);
#ifdef _DEBUG
CLog::GetInstance().Print(LOG_NAME, "Processed 0x%0.8X bytes.\r\n", address - start);
#endif
return address - start;
}