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VideoCommon/Fifo: Pass system instance through FifoManager constructor

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Given how many member functions make use of the system instance,
it's likely just better to pass the system instance in on construction.

Makes the interface a little less noisy to use.
This commit is contained in:
Lioncache
2023-12-18 21:31:32 -05:00
parent 186b2f4e92
commit b0d244b772
10 changed files with 99 additions and 95 deletions
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98
Source/Core/VideoCommon/Fifo.cpp
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@ -36,7 +36,10 @@ namespace Fifo
{
static constexpr int GPU_TIME_SLOT_SIZE = 1000;
FifoManager::FifoManager() = default;
FifoManager::FifoManager(Core::System& system) : m_system{system}
{
}
FifoManager::~FifoManager() = default;
void FifoManager::RefreshConfig()
@ -64,26 +67,26 @@ void FifoManager::DoState(PointerWrap& p)
p.Do(m_syncing_suspended);
}
void FifoManager::PauseAndLock(Core::System& system, bool doLock, bool unpauseOnUnlock)
void FifoManager::PauseAndLock(bool do_lock, bool unpause_on_unlock)
{
if (doLock)
if (do_lock)
{
SyncGPU(SyncGPUReason::Other);
EmulatorState(false);
if (!system.IsDualCoreMode() || m_use_deterministic_gpu_thread)
if (!m_system.IsDualCoreMode() || m_use_deterministic_gpu_thread)
return;
m_gpu_mainloop.WaitYield(std::chrono::milliseconds(100), Host_YieldToUI);
}
else
{
if (unpauseOnUnlock)
if (unpause_on_unlock)
EmulatorState(true);
}
}
void FifoManager::Init(Core::System& system)
void FifoManager::Init()
{
if (!m_config_callback_id)
m_config_callback_id = Config::AddConfigChangedCallback([this] { RefreshConfig(); });
@ -92,7 +95,7 @@ void FifoManager::Init(Core::System& system)
// Padded so that SIMD overreads in the vertex loader are safe
m_video_buffer = static_cast<u8*>(Common::AllocateMemoryPages(FIFO_SIZE + 4));
ResetVideoBuffer();
if (system.IsDualCoreMode())
if (m_system.IsDualCoreMode())
m_gpu_mainloop.Prepare();
m_sync_ticks.store(0);
}
@ -120,14 +123,14 @@ void FifoManager::Shutdown()
// May be executed from any thread, even the graphics thread.
// Created to allow for self shutdown.
void FifoManager::ExitGpuLoop(Core::System& system)
void FifoManager::ExitGpuLoop()
{
auto& command_processor = system.GetCommandProcessor();
auto& command_processor = m_system.GetCommandProcessor();
auto& fifo = command_processor.GetFifo();
// This should break the wait loop in CPU thread
fifo.bFF_GPReadEnable.store(0, std::memory_order_relaxed);
FlushGpu(system);
FlushGpu();
// Terminate GPU thread loop
m_emu_running_state.Set();
@ -211,7 +214,7 @@ void* FifoManager::PopFifoAuxBuffer(size_t size)
}
// Description: RunGpuLoop() sends data through this function.
void FifoManager::ReadDataFromFifo(Core::System& system, u32 readPtr)
void FifoManager::ReadDataFromFifo(u32 read_ptr)
{
if (GPFifo::GATHER_PIPE_SIZE >
static_cast<size_t>(m_video_buffer + FIFO_SIZE - m_video_buffer_write_ptr))
@ -228,13 +231,13 @@ void FifoManager::ReadDataFromFifo(Core::System& system, u32 readPtr)
m_video_buffer_read_ptr = m_video_buffer;
}
// Copy new video instructions to m_video_buffer for future use in rendering the new picture
auto& memory = system.GetMemory();
memory.CopyFromEmu(m_video_buffer_write_ptr, readPtr, GPFifo::GATHER_PIPE_SIZE);
auto& memory = m_system.GetMemory();
memory.CopyFromEmu(m_video_buffer_write_ptr, read_ptr, GPFifo::GATHER_PIPE_SIZE);
m_video_buffer_write_ptr += GPFifo::GATHER_PIPE_SIZE;
}
// The deterministic_gpu_thread version.
void FifoManager::ReadDataFromFifoOnCPU(Core::System& system, u32 readPtr)
void FifoManager::ReadDataFromFifoOnCPU(u32 read_ptr)
{
u8* write_ptr = m_video_buffer_write_ptr;
if (GPFifo::GATHER_PIPE_SIZE > static_cast<size_t>(m_video_buffer + FIFO_SIZE - write_ptr))
@ -262,8 +265,8 @@ void FifoManager::ReadDataFromFifoOnCPU(Core::System& system, u32 readPtr)
return;
}
}
auto& memory = system.GetMemory();
memory.CopyFromEmu(m_video_buffer_write_ptr, readPtr, GPFifo::GATHER_PIPE_SIZE);
auto& memory = m_system.GetMemory();
memory.CopyFromEmu(m_video_buffer_write_ptr, read_ptr, GPFifo::GATHER_PIPE_SIZE);
m_video_buffer_pp_read_ptr = OpcodeDecoder::RunFifo<true>(
DataReader(m_video_buffer_pp_read_ptr, write_ptr + GPFifo::GATHER_PIPE_SIZE), nullptr);
// This would have to be locked if the GPU thread didn't spin.
@ -282,13 +285,13 @@ void FifoManager::ResetVideoBuffer()
// Description: Main FIFO update loop
// Purpose: Keep the Core HW updated about the CPU-GPU distance
void FifoManager::RunGpuLoop(Core::System& system)
void FifoManager::RunGpuLoop()
{
AsyncRequests::GetInstance()->SetEnable(true);
AsyncRequests::GetInstance()->SetPassthrough(false);
m_gpu_mainloop.Run(
[this, &system] {
[this] {
// Run events from the CPU thread.
AsyncRequests::GetInstance()->PullEvents();
@ -311,21 +314,22 @@ void FifoManager::RunGpuLoop(Core::System& system)
}
else
{
auto& command_processor = system.GetCommandProcessor();
auto& command_processor = m_system.GetCommandProcessor();
auto& fifo = command_processor.GetFifo();
command_processor.SetCPStatusFromGPU(system);
command_processor.SetCPStatusFromGPU(m_system);
// check if we are able to run this buffer
while (!command_processor.IsInterruptWaiting() &&
fifo.bFF_GPReadEnable.load(std::memory_order_relaxed) &&
fifo.CPReadWriteDistance.load(std::memory_order_relaxed) && !AtBreakpoint(system))
fifo.CPReadWriteDistance.load(std::memory_order_relaxed) &&
!AtBreakpoint(m_system))
{
if (m_config_sync_gpu && m_sync_ticks.load() < m_config_sync_gpu_min_distance)
break;
u32 cyclesExecuted = 0;
u32 readPtr = fifo.CPReadPointer.load(std::memory_order_relaxed);
ReadDataFromFifo(system, readPtr);
ReadDataFromFifo(readPtr);
if (readPtr == fifo.CPEnd.load(std::memory_order_relaxed))
readPtr = fifo.CPBase.load(std::memory_order_relaxed);
@ -352,7 +356,7 @@ void FifoManager::RunGpuLoop(Core::System& system)
std::memory_order_relaxed);
}
command_processor.SetCPStatusFromGPU(system);
command_processor.SetCPStatusFromGPU(m_system);
if (m_config_sync_gpu)
{
@ -392,9 +396,9 @@ void FifoManager::RunGpuLoop(Core::System& system)
AsyncRequests::GetInstance()->SetPassthrough(true);
}
void FifoManager::FlushGpu(Core::System& system)
void FifoManager::FlushGpu()
{
if (!system.IsDualCoreMode() || m_use_deterministic_gpu_thread)
if (!m_system.IsDualCoreMode() || m_use_deterministic_gpu_thread)
return;
m_gpu_mainloop.Wait();
@ -414,9 +418,9 @@ bool AtBreakpoint(Core::System& system)
fifo.CPBreakpoint.load(std::memory_order_relaxed));
}
void FifoManager::RunGpu(Core::System& system)
void FifoManager::RunGpu()
{
const bool is_dual_core = system.IsDualCoreMode();
const bool is_dual_core = m_system.IsDualCoreMode();
// wake up GPU thread
if (is_dual_core && !m_use_deterministic_gpu_thread)
@ -430,25 +434,25 @@ void FifoManager::RunGpu(Core::System& system)
if (m_syncing_suspended)
{
m_syncing_suspended = false;
system.GetCoreTiming().ScheduleEvent(GPU_TIME_SLOT_SIZE, m_event_sync_gpu,
GPU_TIME_SLOT_SIZE);
m_system.GetCoreTiming().ScheduleEvent(GPU_TIME_SLOT_SIZE, m_event_sync_gpu,
GPU_TIME_SLOT_SIZE);
}
}
}
int FifoManager::RunGpuOnCpu(Core::System& system, int ticks)
int FifoManager::RunGpuOnCpu(int ticks)
{
auto& command_processor = system.GetCommandProcessor();
auto& command_processor = m_system.GetCommandProcessor();
auto& fifo = command_processor.GetFifo();
bool reset_simd_state = false;
int available_ticks = int(ticks * m_config_sync_gpu_overclock) + m_sync_ticks.load();
while (fifo.bFF_GPReadEnable.load(std::memory_order_relaxed) &&
fifo.CPReadWriteDistance.load(std::memory_order_relaxed) && !AtBreakpoint(system) &&
fifo.CPReadWriteDistance.load(std::memory_order_relaxed) && !AtBreakpoint(m_system) &&
available_ticks >= 0)
{
if (m_use_deterministic_gpu_thread)
{
ReadDataFromFifoOnCPU(system, fifo.CPReadPointer.load(std::memory_order_relaxed));
ReadDataFromFifoOnCPU(fifo.CPReadPointer.load(std::memory_order_relaxed));
m_gpu_mainloop.Wakeup();
}
else
@ -459,7 +463,7 @@ int FifoManager::RunGpuOnCpu(Core::System& system, int ticks)
Common::FPU::LoadDefaultSIMDState();
reset_simd_state = true;
}
ReadDataFromFifo(system, fifo.CPReadPointer.load(std::memory_order_relaxed));
ReadDataFromFifo(fifo.CPReadPointer.load(std::memory_order_relaxed));
u32 cycles = 0;
m_video_buffer_read_ptr = OpcodeDecoder::RunFifo(
DataReader(m_video_buffer_read_ptr, m_video_buffer_write_ptr), &cycles);
@ -480,7 +484,7 @@ int FifoManager::RunGpuOnCpu(Core::System& system, int ticks)
fifo.CPReadWriteDistance.fetch_sub(GPFifo::GATHER_PIPE_SIZE, std::memory_order_relaxed);
}
command_processor.SetCPStatusFromGPU(system);
command_processor.SetCPStatusFromGPU(m_system);
if (reset_simd_state)
{
@ -498,7 +502,7 @@ int FifoManager::RunGpuOnCpu(Core::System& system, int ticks)
return -available_ticks + GPU_TIME_SLOT_SIZE;
}
void FifoManager::UpdateWantDeterminism(Core::System& system, bool want)
void FifoManager::UpdateWantDeterminism(bool want)
{
// We are paused (or not running at all yet), so
// it should be safe to change this.
@ -516,7 +520,7 @@ void FifoManager::UpdateWantDeterminism(Core::System& system, bool want)
break;
}
gpu_thread = gpu_thread && system.IsDualCoreMode();
gpu_thread = gpu_thread && m_system.IsDualCoreMode();
if (m_use_deterministic_gpu_thread != gpu_thread)
{
@ -536,7 +540,7 @@ void FifoManager::UpdateWantDeterminism(Core::System& system, bool want)
* @ticks The gone emulated CPU time.
* @return A good time to call WaitForGpuThread() next.
*/
int FifoManager::WaitForGpuThread(Core::System& system, int ticks)
int FifoManager::WaitForGpuThread(int ticks)
{
int old = m_sync_ticks.fetch_add(ticks);
int now = old + ticks;
@ -547,7 +551,7 @@ int FifoManager::WaitForGpuThread(Core::System& system, int ticks)
// Wakeup GPU
if (old < m_config_sync_gpu_min_distance && now >= m_config_sync_gpu_min_distance)
RunGpu(system);
RunGpu();
// If the GPU is still sleeping, wait for a longer time
if (now < m_config_sync_gpu_min_distance)
@ -568,11 +572,11 @@ void FifoManager::SyncGPUCallback(Core::System& system, u64 ticks, s64 cyclesLat
auto& fifo = system.GetFifo();
if (!system.IsDualCoreMode() || fifo.m_use_deterministic_gpu_thread)
{
next = fifo.RunGpuOnCpu(system, (int)ticks);
next = fifo.RunGpuOnCpu(int(ticks));
}
else if (fifo.m_config_sync_gpu)
{
next = fifo.WaitForGpuThread(system, (int)ticks);
next = fifo.WaitForGpuThread(int(ticks));
}
fifo.m_syncing_suspended = next < 0;
@ -580,20 +584,20 @@ void FifoManager::SyncGPUCallback(Core::System& system, u64 ticks, s64 cyclesLat
system.GetCoreTiming().ScheduleEvent(next, fifo.m_event_sync_gpu, next);
}
void FifoManager::SyncGPUForRegisterAccess(Core::System& system)
void FifoManager::SyncGPUForRegisterAccess()
{
SyncGPU(SyncGPUReason::Other);
if (!system.IsDualCoreMode() || m_use_deterministic_gpu_thread)
RunGpuOnCpu(system, GPU_TIME_SLOT_SIZE);
if (!m_system.IsDualCoreMode() || m_use_deterministic_gpu_thread)
RunGpuOnCpu(GPU_TIME_SLOT_SIZE);
else if (m_config_sync_gpu)
WaitForGpuThread(system, GPU_TIME_SLOT_SIZE);
WaitForGpuThread(GPU_TIME_SLOT_SIZE);
}
// Initialize GPU - CPU thread syncing, this gives us a deterministic way to start the GPU thread.
void FifoManager::Prepare(Core::System& system)
void FifoManager::Prepare()
{
m_event_sync_gpu = system.GetCoreTiming().RegisterEvent("SyncGPUCallback", SyncGPUCallback);
m_event_sync_gpu = m_system.GetCoreTiming().RegisterEvent("SyncGPUCallback", SyncGPUCallback);
m_syncing_suspended = true;
}
} // namespace Fifo