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Removed calls to YieldCPU from RunGpuLoop.

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This commit is contained in:
James Dunne 2013-03-13 18:23:16 -05:00
parent 6962929356
commit 4137fc0023
1 changed files with 9 additions and 3 deletions
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12
Source/Core/VideoCommon/Src/Fifo.cpp
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@ -153,10 +153,10 @@ void RunGpuLoop()
while (GpuRunningState) while (GpuRunningState)
{ {
g_video_backend->PeekMessages(); g_video_backend->PeekMessages();
VideoFifo_CheckAsyncRequest(); VideoFifo_CheckAsyncRequest();
CommandProcessor::SetCpStatus(); CommandProcessor::SetCpStatus();
Common::AtomicStore(CommandProcessor::VITicks, CommandProcessor::m_cpClockOrigin); Common::AtomicStore(CommandProcessor::VITicks, CommandProcessor::m_cpClockOrigin);
@ -203,10 +203,16 @@ void RunGpuLoop()
} }
fifo.isGpuReadingData = false; fifo.isGpuReadingData = false;
if (EmuRunningState) if (EmuRunningState)
{
// NOTE(jsd): Calling SwitchToThread() on Windows 7 x64 is a hot spot, according to profiler.
// See https://docs.google.com/spreadsheet/ccc?key=0Ah4nh0yGtjrgdFpDeF9pS3V6RUotRVE3S3J4TGM1NlE#gid=0
// for benchmark details.
#if 0
Common::YieldCPU(); Common::YieldCPU();
#endif
}
else else
{ {
// While the emu is paused, we still handle async requests then sleep. // While the emu is paused, we still handle async requests then sleep.