dolphin-emu/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2024-10-07 07:43:36 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Added an exception check when the game is close to overflowing. Fixes the fifo overflow that occurs in Battalion Wars 2.

Browse Source 
Changed the CPEnd loop check to an exact match.
This commit is contained in:
skidau 2014-11-17 16:05:16 +11:00
parent 3d448e49c6
commit ca3e5ce5e1
1 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
Source/Core/VideoCommon/CommandProcessor.cpp
View File

@ -330,7 +330,7 @@ void GatherPipeBursted()
}
// update the fifo pointer
if (fifo.CPWritePointer >= fifo.CPEnd)
if (fifo.CPWritePointer == fifo.CPEnd)
fifo.CPWritePointer = fifo.CPBase;
else
fifo.CPWritePointer += GATHER_PIPE_SIZE;
@ -342,6 +342,10 @@ void GatherPipeBursted()
ProcessorInterface::Fifo_CPUEnd = fifo.CPEnd;
}
// If the game is running close to overflowing, make the exception checking more frequent.
if (fifo.bFF_HiWatermark)
CoreTiming::ForceExceptionCheck(0);
Common::AtomicAdd(fifo.CPReadWriteDistance, GATHER_PIPE_SIZE);
RunGpu();
@ -470,8 +474,7 @@ void ProcessFifoAllDistance()
{
if (IsOnThread())
{
while (!interruptWaiting && fifo.bFF_GPReadEnable &&
fifo.CPReadWriteDistance && !AtBreakpoint())
while (!interruptWaiting && fifo.bFF_GPReadEnable && fifo.CPReadWriteDistance && !AtBreakpoint())
Common::YieldCPU();
}
}