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The WGP does not loop if the write pointer is set beyond the end of the fifo. Updated the video plugins this time.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4531 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
donkopunchstania 2009-11-12 01:51:40 +00:00
parent ebc696c58e
commit dee90fa7aa
3 changed files with 21 additions and 17 deletions
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9
Source/Core/VideoCommon/Src/Fifo.cpp
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@ -165,18 +165,21 @@ void Fifo_EnterLoop(const SVideoInitialize &video_initialize)
break;
}
distToSend = 32;
readPtr += 32;
if ( readPtr >= _fifo.CPEnd)
readPtr = _fifo.CPBase;
else
readPtr += 32;
}
else
{
distToSend = _fifo.CPReadWriteDistance;
// send 1024B chunk max length to have better control over PeekMessages' period
distToSend = distToSend > 1024 ? 1024 : distToSend;
if ((distToSend + readPtr) >= _fifo.CPEnd) // TODO: better?
// add 32 bytes because the cp end points to the start of the last 32 byte chunk
if ((distToSend + readPtr) >= (_fifo.CPEnd + 32)) // TODO: better?
{
distToSend =_fifo.CPEnd - readPtr;
distToSend =(_fifo.CPEnd + 32) - readPtr;
readPtr = _fifo.CPBase;
}
else