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Used Atomic functions to update variables shared between the CPU and GPU threads. 

Changed the variables from bool to u32 to match the atomic functions.
This commit is contained in:
skidau 2013-02-09 17:46:48 +11:00
parent 2c8c8db731
commit 5f672baca3
1 changed files with 16 additions and 15 deletions
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31
Source/Core/VideoCommon/Src/PixelEngine.cpp
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@ -32,6 +32,7 @@
#include "HW/ProcessorInterface.h"
#include "DLCache.h"
#include "State.h"
#include "Thread.h"
namespace PixelEngine
{
@ -110,14 +111,14 @@ static UPEAlphaReadReg m_AlphaRead;
static UPECtrlReg m_Control;
//static u16 m_Token; // token value most recently encountered
volatile bool g_bSignalTokenInterrupt;
volatile bool g_bSignalFinishInterrupt;
volatile u32 g_bSignalTokenInterrupt;
volatile u32 g_bSignalFinishInterrupt;
static int et_SetTokenOnMainThread;
static int et_SetFinishOnMainThread;
volatile bool interruptSetToken = false;
volatile bool interruptSetFinish = false;
volatile u32 interruptSetToken = 0;
volatile u32 interruptSetFinish = 0;
u16 bbox[4];
bool bbox_active;
@ -161,10 +162,10 @@ void Init()
m_AlphaModeConf.Hex = 0;
m_AlphaRead.Hex = 0;
g_bSignalTokenInterrupt = false;
g_bSignalFinishInterrupt = false;
interruptSetToken = false;
interruptSetFinish = false;
g_bSignalTokenInterrupt = 0;
g_bSignalFinishInterrupt = 0;
interruptSetToken = 0;
interruptSetFinish = 0;
et_SetTokenOnMainThread = CoreTiming::RegisterEvent("SetToken", SetToken_OnMainThread);
et_SetFinishOnMainThread = CoreTiming::RegisterEvent("SetFinish", SetFinish_OnMainThread);
@ -211,7 +212,7 @@ void Read16(u16& _uReturnValue, const u32 _iAddress)
break;
case PE_TOKEN_REG:
_uReturnValue = CommandProcessor::fifo.PEToken;
_uReturnValue = Common::AtomicLoad(*(volatile u32*)&CommandProcessor::fifo.PEToken);
INFO_LOG(PIXELENGINE, "(r16) TOKEN_REG : %04x", _uReturnValue);
break;
@ -312,8 +313,8 @@ void Write16(const u16 _iValue, const u32 _iAddress)
{
UPECtrlReg tmpCtrl(_iValue);
if (tmpCtrl.PEToken) g_bSignalTokenInterrupt = false;
if (tmpCtrl.PEFinish) g_bSignalFinishInterrupt = false;
if (tmpCtrl.PEToken) g_bSignalTokenInterrupt = 0;
if (tmpCtrl.PEFinish) g_bSignalFinishInterrupt = 0;
m_Control.PETokenEnable = tmpCtrl.PETokenEnable;
m_Control.PEFinishEnable = tmpCtrl.PEFinishEnable;
@ -360,13 +361,13 @@ void UpdateInterrupts()
void UpdateTokenInterrupt(bool active)
{
ProcessorInterface::SetInterrupt(INT_CAUSE_PE_TOKEN, active);
interruptSetToken = active;
Common::AtomicStore(interruptSetToken, active ? 1 : 0);
}
void UpdateFinishInterrupt(bool active)
{
ProcessorInterface::SetInterrupt(INT_CAUSE_PE_FINISH, active);
interruptSetFinish = active;
Common::AtomicStore(interruptSetFinish, active ? 1 : 0);
}
// TODO(mb2): Refactor SetTokenINT_OnMainThread(u64 userdata, int cyclesLate).
@ -443,7 +444,7 @@ void ResetSetToken()
if (g_bSignalTokenInterrupt)
{
UpdateTokenInterrupt(false);
g_bSignalTokenInterrupt = false;
g_bSignalTokenInterrupt = 0;
}
else
{
@ -454,6 +455,6 @@ void ResetSetToken()
bool WaitingForPEInterrupt()
{
return !CommandProcessor::waitingForPEInterruptDisable && (CommandProcessor::interruptFinishWaiting || CommandProcessor::interruptTokenWaiting || interruptSetFinish || interruptSetToken);
return !CommandProcessor::waitingForPEInterruptDisable && (CommandProcessor::interruptFinishWaiting || CommandProcessor::interruptTokenWaiting || Common::AtomicLoad(interruptSetFinish) || Common::AtomicLoad(interruptSetToken));
}
} // end of namespace PixelEngine