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I've observed that "FIFO is overflown by GatherPipe" is not real overflow.

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Really that happens because the fifo.CPReadWriteDistance is negative.
Example: CPReadWriteDistance: -864 CPEnd: 10092672 fifo.CPBase: 9568416
In SMG this is because  PI_FIFO_RESET is writing and after fifo.CPReadWriteDistance will be setted to 0.
To Prevent that, I've Implemented AbortFrame function in the CommmandProcessor. It should fix overflown because of that. 
Note: There is other issue (Issue 2846) where the fifo.CPReadWriteDistance is negative too but the effect is different.
I'm working to solve this.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6083 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Marcos Vitali
2010-08-10 07:25:35 +00:00
parent 2b45e87b3e
commit 3b7a6ce336
12 changed files with 59 additions and 2 deletions
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2
Source/Core/Common/Src/PluginVideo.h
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@ -40,6 +40,7 @@ typedef void (__cdecl* TVideo_Write32)(const u32 _Data, const u32 _Address);
typedef void (__cdecl* TVideo_GatherPipeBursted)();
typedef void (__cdecl* TVideo_WaitForFrameFinish)();
typedef bool (__cdecl* TVideo_IsFifoBusy)();
typedef void (__cdecl* TVideo_AbortFrame)();
class PluginVideo : public CPlugin
{
@ -68,6 +69,7 @@ public:
TVideo_GatherPipeBursted Video_GatherPipeBursted;
TVideo_WaitForFrameFinish Video_WaitForFrameFinish;
TVideo_IsFifoBusy Video_IsFifoBusy;
TVideo_AbortFrame Video_AbortFrame;
private:
bool validVideo;
};