mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-23 06:09:50 -06:00
Fifo: Make g_use_deterministic_gpu_thread a TU-local variable
This commit is contained in:
@ -44,7 +44,9 @@ static u8 s_fifo_aux_data[FIFO_SIZE];
|
||||
static u8* s_fifo_aux_write_ptr;
|
||||
static u8* s_fifo_aux_read_ptr;
|
||||
|
||||
bool g_use_deterministic_gpu_thread;
|
||||
// This could be in SConfig, but it depends on multiple settings
|
||||
// and can change at runtime.
|
||||
static bool s_use_deterministic_gpu_thread;
|
||||
|
||||
static u64 s_last_sync_gpu_tick;
|
||||
static int s_event_sync_gpu;
|
||||
@ -56,7 +58,7 @@ static std::atomic<u8*> s_video_buffer_write_ptr;
|
||||
static std::atomic<u8*> s_video_buffer_seen_ptr;
|
||||
static u8* s_video_buffer_pp_read_ptr;
|
||||
// The read_ptr is always owned by the GPU thread. In normal mode, so is the
|
||||
// write_ptr, despite it being atomic. In g_use_deterministic_gpu_thread mode,
|
||||
// write_ptr, despite it being atomic. In deterministic GPU thread mode,
|
||||
// things get a bit more complicated:
|
||||
// - The seen_ptr is written by the GPU thread, and points to what it's already
|
||||
// processed as much of as possible - in the case of a partial command which
|
||||
@ -77,7 +79,7 @@ void DoState(PointerWrap &p)
|
||||
p.DoPointer(write_ptr, s_video_buffer);
|
||||
s_video_buffer_write_ptr = write_ptr;
|
||||
p.DoPointer(s_video_buffer_read_ptr, s_video_buffer);
|
||||
if (p.mode == PointerWrap::MODE_READ && g_use_deterministic_gpu_thread)
|
||||
if (p.mode == PointerWrap::MODE_READ && s_use_deterministic_gpu_thread)
|
||||
{
|
||||
// We're good and paused, right?
|
||||
s_video_buffer_seen_ptr = s_video_buffer_pp_read_ptr = s_video_buffer_read_ptr;
|
||||
@ -159,7 +161,7 @@ void EmulatorState(bool running)
|
||||
|
||||
void SyncGPU(SyncGPUReason reason, bool may_move_read_ptr)
|
||||
{
|
||||
if (g_use_deterministic_gpu_thread)
|
||||
if (s_use_deterministic_gpu_thread)
|
||||
{
|
||||
s_gpu_mainloop.Wait();
|
||||
if (!s_gpu_mainloop.IsRunning())
|
||||
@ -306,7 +308,7 @@ void RunGpuLoop()
|
||||
if (!s_emu_running_state.load())
|
||||
return;
|
||||
|
||||
if (g_use_deterministic_gpu_thread)
|
||||
if (s_use_deterministic_gpu_thread)
|
||||
{
|
||||
AsyncRequests::GetInstance()->PullEvents();
|
||||
|
||||
@ -392,7 +394,7 @@ void FlushGpu()
|
||||
{
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
|
||||
if (!param.bCPUThread || g_use_deterministic_gpu_thread)
|
||||
if (!param.bCPUThread || s_use_deterministic_gpu_thread)
|
||||
return;
|
||||
|
||||
s_gpu_mainloop.Wait();
|
||||
@ -415,12 +417,12 @@ void RunGpu()
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
|
||||
// execute GPU
|
||||
if (!param.bCPUThread || g_use_deterministic_gpu_thread)
|
||||
if (!param.bCPUThread || s_use_deterministic_gpu_thread)
|
||||
{
|
||||
bool reset_simd_state = false;
|
||||
while (fifo.bFF_GPReadEnable && fifo.CPReadWriteDistance && !AtBreakpoint() )
|
||||
{
|
||||
if (g_use_deterministic_gpu_thread)
|
||||
if (s_use_deterministic_gpu_thread)
|
||||
{
|
||||
ReadDataFromFifoOnCPU(fifo.CPReadPointer);
|
||||
s_gpu_mainloop.Wakeup();
|
||||
@ -490,9 +492,9 @@ void UpdateWantDeterminism(bool want)
|
||||
|
||||
gpu_thread = gpu_thread && param.bCPUThread;
|
||||
|
||||
if (g_use_deterministic_gpu_thread != gpu_thread)
|
||||
if (s_use_deterministic_gpu_thread != gpu_thread)
|
||||
{
|
||||
g_use_deterministic_gpu_thread = gpu_thread;
|
||||
s_use_deterministic_gpu_thread = gpu_thread;
|
||||
if (gpu_thread)
|
||||
{
|
||||
// These haven't been updated in non-deterministic mode.
|
||||
@ -503,6 +505,11 @@ void UpdateWantDeterminism(bool want)
|
||||
}
|
||||
}
|
||||
|
||||
bool UseDeterministicGPUThread()
|
||||
{
|
||||
return s_use_deterministic_gpu_thread;
|
||||
}
|
||||
|
||||
/* This function checks the emulated CPU - GPU distance and may wake up the GPU,
|
||||
* or block the CPU if required. It should be called by the CPU thread regulary.
|
||||
* @ticks The gone emulated CPU time.
|
||||
@ -513,7 +520,7 @@ static int Update(int ticks)
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
|
||||
// GPU is sleeping, so no need for synchronization
|
||||
if (s_gpu_mainloop.IsDone() || g_use_deterministic_gpu_thread)
|
||||
if (s_gpu_mainloop.IsDone() || s_use_deterministic_gpu_thread)
|
||||
{
|
||||
if (s_sync_ticks.load() < 0)
|
||||
{
|
||||
|
Reference in New Issue
Block a user