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Software: Convert most volatile variables to atomics

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This commit is contained in:
Lioncash
2015-05-14 12:33:19 -04:00
parent 8290fa1e46
commit 26a3eaf959
3 changed files with 29 additions and 27 deletions
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19
Source/Core/VideoBackends/Software/SWCommandProcessor.cpp
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@ -2,6 +2,7 @@
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <atomic>
#include "Common/Atomic.h"
#include "Common/ChunkFile.h"
#include "Common/CommonTypes.h"
@ -41,8 +42,8 @@ static u8 commandBuffer[commandBufferSize];
static u32 readPos;
static u32 writePos;
static int et_UpdateInterrupts;
static volatile bool interruptSet;
static volatile bool interruptWaiting;
static std::atomic<bool> interruptSet;
static std::atomic<bool> interruptWaiting;
static CPReg cpreg; // shared between gfx and emulator thread
@ -92,8 +93,8 @@ void Init()
readPos = 0;
writePos = 0;
interruptSet = false;
interruptWaiting = false;
interruptSet.store(false);
interruptWaiting.store(false);
g_video_buffer_read_ptr = nullptr;
g_bSkipCurrentFrame = false;
@ -195,17 +196,17 @@ void UpdateInterrupts(u64 userdata)
{
if (userdata)
{
interruptSet = true;
interruptSet.store(true);
INFO_LOG(COMMANDPROCESSOR,"Interrupt set");
ProcessorInterface::SetInterrupt(INT_CAUSE_CP, true);
}
else
{
interruptSet = false;
interruptSet.store(false);
INFO_LOG(COMMANDPROCESSOR,"Interrupt cleared");
ProcessorInterface::SetInterrupt(INT_CAUSE_CP, false);
}
interruptWaiting = false;
interruptWaiting.store(false);
}
void UpdateInterruptsFromVideoBackend(u64 userdata)
@ -285,12 +286,12 @@ static void SetStatus()
bool interrupt = bpInt || ovfInt || undfInt;
if (interrupt != interruptSet && !interruptWaiting)
if (interrupt != interruptSet.load() && !interruptWaiting.load())
{
u64 userdata = interrupt?1:0;
if (SConfig::GetInstance().m_LocalCoreStartupParameter.bCPUThread)
{
interruptWaiting = true;
interruptWaiting.store(true);
SWCommandProcessor::UpdateInterruptsFromVideoBackend(userdata);
}
else