mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-25 15:19:42 -06:00
Reformat all the things. Have fun with merge conflicts.
This commit is contained in:
Pierre Bourdon
@ -16,12 +16,12 @@
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#include "Core/ConfigManager.h"
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#include "Core/CoreTiming.h"
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#include "Core/NetPlayProto.h"
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#include "Core/HW/Memmap.h"
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#include "Core/NetPlayProto.h"
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#include "VideoCommon/AsyncRequests.h"
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#include "VideoCommon/CommandProcessor.h"
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#include "VideoCommon/CPMemory.h"
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#include "VideoCommon/CommandProcessor.h"
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#include "VideoCommon/DataReader.h"
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#include "VideoCommon/Fifo.h"
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#include "VideoCommon/OpcodeDecoding.h"
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@ -30,7 +30,6 @@
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namespace Fifo
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{
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static constexpr u32 FIFO_SIZE = 2 * 1024 * 1024;
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static bool s_skip_current_frame = false;
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@ -72,442 +71,450 @@ static u8* s_video_buffer_pp_read_ptr;
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static std::atomic<int> s_sync_ticks;
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static Common::Event s_sync_wakeup_event;
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void DoState(PointerWrap &p)
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void DoState(PointerWrap& p)
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{
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p.DoArray(s_video_buffer, FIFO_SIZE);
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u8* write_ptr = s_video_buffer_write_ptr;
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p.DoPointer(write_ptr, s_video_buffer);
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s_video_buffer_write_ptr = write_ptr;
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p.DoPointer(s_video_buffer_read_ptr, s_video_buffer);
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if (p.mode == PointerWrap::MODE_READ && s_use_deterministic_gpu_thread)
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{
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// We're good and paused, right?
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s_video_buffer_seen_ptr = s_video_buffer_pp_read_ptr = s_video_buffer_read_ptr;
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}
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p.DoArray(s_video_buffer, FIFO_SIZE);
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u8* write_ptr = s_video_buffer_write_ptr;
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p.DoPointer(write_ptr, s_video_buffer);
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s_video_buffer_write_ptr = write_ptr;
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p.DoPointer(s_video_buffer_read_ptr, s_video_buffer);
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if (p.mode == PointerWrap::MODE_READ && s_use_deterministic_gpu_thread)
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{
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// We're good and paused, right?
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s_video_buffer_seen_ptr = s_video_buffer_pp_read_ptr = s_video_buffer_read_ptr;
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}
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p.Do(s_skip_current_frame);
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p.Do(s_last_sync_gpu_tick);
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p.Do(s_skip_current_frame);
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p.Do(s_last_sync_gpu_tick);
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}
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void PauseAndLock(bool doLock, bool unpauseOnUnlock)
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{
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if (doLock)
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{
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SyncGPU(SYNC_GPU_OTHER);
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EmulatorState(false);
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FlushGpu();
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}
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else
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{
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if (unpauseOnUnlock)
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EmulatorState(true);
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}
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if (doLock)
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{
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SyncGPU(SYNC_GPU_OTHER);
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EmulatorState(false);
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FlushGpu();
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}
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else
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{
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if (unpauseOnUnlock)
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EmulatorState(true);
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}
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}
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void Init()
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{
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// Padded so that SIMD overreads in the vertex loader are safe
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s_video_buffer = (u8*)AllocateMemoryPages(FIFO_SIZE + 4);
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ResetVideoBuffer();
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if (SConfig::GetInstance().bCPUThread)
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s_gpu_mainloop.Prepare();
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s_sync_ticks.store(0);
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// Padded so that SIMD overreads in the vertex loader are safe
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s_video_buffer = (u8*)AllocateMemoryPages(FIFO_SIZE + 4);
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ResetVideoBuffer();
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if (SConfig::GetInstance().bCPUThread)
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s_gpu_mainloop.Prepare();
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s_sync_ticks.store(0);
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}
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void Shutdown()
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{
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if (s_gpu_mainloop.IsRunning())
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PanicAlert("Fifo shutting down while active");
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if (s_gpu_mainloop.IsRunning())
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PanicAlert("Fifo shutting down while active");
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FreeMemoryPages(s_video_buffer, FIFO_SIZE + 4);
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s_video_buffer = nullptr;
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s_video_buffer_write_ptr = nullptr;
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s_video_buffer_pp_read_ptr = nullptr;
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s_video_buffer_read_ptr = nullptr;
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s_video_buffer_seen_ptr = nullptr;
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s_fifo_aux_write_ptr = nullptr;
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s_fifo_aux_read_ptr = nullptr;
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FreeMemoryPages(s_video_buffer, FIFO_SIZE + 4);
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s_video_buffer = nullptr;
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s_video_buffer_write_ptr = nullptr;
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s_video_buffer_pp_read_ptr = nullptr;
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s_video_buffer_read_ptr = nullptr;
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s_video_buffer_seen_ptr = nullptr;
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s_fifo_aux_write_ptr = nullptr;
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s_fifo_aux_read_ptr = nullptr;
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}
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void SetRendering(bool enabled)
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{
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s_skip_current_frame = !enabled;
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s_skip_current_frame = !enabled;
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}
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bool WillSkipCurrentFrame()
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{
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return s_skip_current_frame;
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return s_skip_current_frame;
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}
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// May be executed from any thread, even the graphics thread.
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// Created to allow for self shutdown.
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void ExitGpuLoop()
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{
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// This should break the wait loop in CPU thread
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CommandProcessor::fifo.bFF_GPReadEnable = false;
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FlushGpu();
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// This should break the wait loop in CPU thread
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CommandProcessor::fifo.bFF_GPReadEnable = false;
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FlushGpu();
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// Terminate GPU thread loop
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s_emu_running_state.store(true);
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s_gpu_mainloop.Stop(false);
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// Terminate GPU thread loop
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s_emu_running_state.store(true);
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s_gpu_mainloop.Stop(false);
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}
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void EmulatorState(bool running)
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{
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s_emu_running_state.store(running);
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s_gpu_mainloop.Wakeup();
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s_emu_running_state.store(running);
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s_gpu_mainloop.Wakeup();
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}
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void SyncGPU(SyncGPUReason reason, bool may_move_read_ptr)
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{
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if (s_use_deterministic_gpu_thread)
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{
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s_gpu_mainloop.Wait();
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if (!s_gpu_mainloop.IsRunning())
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return;
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if (s_use_deterministic_gpu_thread)
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{
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s_gpu_mainloop.Wait();
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if (!s_gpu_mainloop.IsRunning())
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return;
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// Opportunistically reset FIFOs so we don't wrap around.
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if (may_move_read_ptr && s_fifo_aux_write_ptr != s_fifo_aux_read_ptr)
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PanicAlert("aux fifo not synced (%p, %p)", s_fifo_aux_write_ptr, s_fifo_aux_read_ptr);
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// Opportunistically reset FIFOs so we don't wrap around.
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if (may_move_read_ptr && s_fifo_aux_write_ptr != s_fifo_aux_read_ptr)
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PanicAlert("aux fifo not synced (%p, %p)", s_fifo_aux_write_ptr, s_fifo_aux_read_ptr);
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memmove(s_fifo_aux_data, s_fifo_aux_read_ptr, s_fifo_aux_write_ptr - s_fifo_aux_read_ptr);
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s_fifo_aux_write_ptr -= (s_fifo_aux_read_ptr - s_fifo_aux_data);
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s_fifo_aux_read_ptr = s_fifo_aux_data;
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memmove(s_fifo_aux_data, s_fifo_aux_read_ptr, s_fifo_aux_write_ptr - s_fifo_aux_read_ptr);
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s_fifo_aux_write_ptr -= (s_fifo_aux_read_ptr - s_fifo_aux_data);
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s_fifo_aux_read_ptr = s_fifo_aux_data;
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if (may_move_read_ptr)
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{
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u8* write_ptr = s_video_buffer_write_ptr;
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if (may_move_read_ptr)
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{
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u8* write_ptr = s_video_buffer_write_ptr;
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// what's left over in the buffer
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size_t size = write_ptr - s_video_buffer_pp_read_ptr;
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// what's left over in the buffer
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size_t size = write_ptr - s_video_buffer_pp_read_ptr;
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memmove(s_video_buffer, s_video_buffer_pp_read_ptr, size);
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// This change always decreases the pointers. We write seen_ptr
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// after write_ptr here, and read it before in RunGpuLoop, so
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// 'write_ptr > seen_ptr' there cannot become spuriously true.
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s_video_buffer_write_ptr = write_ptr = s_video_buffer + size;
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s_video_buffer_pp_read_ptr = s_video_buffer;
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s_video_buffer_read_ptr = s_video_buffer;
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s_video_buffer_seen_ptr = write_ptr;
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}
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}
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memmove(s_video_buffer, s_video_buffer_pp_read_ptr, size);
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// This change always decreases the pointers. We write seen_ptr
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// after write_ptr here, and read it before in RunGpuLoop, so
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// 'write_ptr > seen_ptr' there cannot become spuriously true.
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s_video_buffer_write_ptr = write_ptr = s_video_buffer + size;
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s_video_buffer_pp_read_ptr = s_video_buffer;
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s_video_buffer_read_ptr = s_video_buffer;
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s_video_buffer_seen_ptr = write_ptr;
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}
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}
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}
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void PushFifoAuxBuffer(void* ptr, size_t size)
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{
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if (size > (size_t) (s_fifo_aux_data + FIFO_SIZE - s_fifo_aux_write_ptr))
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{
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SyncGPU(SYNC_GPU_AUX_SPACE, /* may_move_read_ptr */ false);
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if (!s_gpu_mainloop.IsRunning())
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{
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// GPU is shutting down
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return;
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}
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if (size > (size_t) (s_fifo_aux_data + FIFO_SIZE - s_fifo_aux_write_ptr))
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{
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// That will sync us up to the last 32 bytes, so this short region
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// of FIFO would have to point to a 2MB display list or something.
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PanicAlert("absurdly large aux buffer");
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return;
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}
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}
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memcpy(s_fifo_aux_write_ptr, ptr, size);
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s_fifo_aux_write_ptr += size;
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if (size > (size_t)(s_fifo_aux_data + FIFO_SIZE - s_fifo_aux_write_ptr))
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{
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SyncGPU(SYNC_GPU_AUX_SPACE, /* may_move_read_ptr */ false);
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if (!s_gpu_mainloop.IsRunning())
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{
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// GPU is shutting down
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return;
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}
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if (size > (size_t)(s_fifo_aux_data + FIFO_SIZE - s_fifo_aux_write_ptr))
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{
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// That will sync us up to the last 32 bytes, so this short region
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// of FIFO would have to point to a 2MB display list or something.
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PanicAlert("absurdly large aux buffer");
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return;
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}
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}
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memcpy(s_fifo_aux_write_ptr, ptr, size);
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s_fifo_aux_write_ptr += size;
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}
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void* PopFifoAuxBuffer(size_t size)
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{
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void* ret = s_fifo_aux_read_ptr;
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s_fifo_aux_read_ptr += size;
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return ret;
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void* ret = s_fifo_aux_read_ptr;
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s_fifo_aux_read_ptr += size;
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return ret;
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}
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// Description: RunGpuLoop() sends data through this function.
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static void ReadDataFromFifo(u32 readPtr)
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{
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size_t len = 32;
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if (len > (size_t)(s_video_buffer + FIFO_SIZE - s_video_buffer_write_ptr))
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{
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size_t existing_len = s_video_buffer_write_ptr - s_video_buffer_read_ptr;
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if (len > (size_t)(FIFO_SIZE - existing_len))
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{
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PanicAlert("FIFO out of bounds (existing %zu + new %zu > %lu)", existing_len, len, (unsigned long) FIFO_SIZE);
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return;
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}
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memmove(s_video_buffer, s_video_buffer_read_ptr, existing_len);
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s_video_buffer_write_ptr = s_video_buffer + existing_len;
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s_video_buffer_read_ptr = s_video_buffer;
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}
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// Copy new video instructions to s_video_buffer for future use in rendering the new picture
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Memory::CopyFromEmu(s_video_buffer_write_ptr, readPtr, len);
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s_video_buffer_write_ptr += len;
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size_t len = 32;
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if (len > (size_t)(s_video_buffer + FIFO_SIZE - s_video_buffer_write_ptr))
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{
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size_t existing_len = s_video_buffer_write_ptr - s_video_buffer_read_ptr;
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if (len > (size_t)(FIFO_SIZE - existing_len))
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{
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PanicAlert("FIFO out of bounds (existing %zu + new %zu > %lu)", existing_len, len,
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(unsigned long)FIFO_SIZE);
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return;
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}
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memmove(s_video_buffer, s_video_buffer_read_ptr, existing_len);
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s_video_buffer_write_ptr = s_video_buffer + existing_len;
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s_video_buffer_read_ptr = s_video_buffer;
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}
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// Copy new video instructions to s_video_buffer for future use in rendering the new picture
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Memory::CopyFromEmu(s_video_buffer_write_ptr, readPtr, len);
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s_video_buffer_write_ptr += len;
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}
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// The deterministic_gpu_thread version.
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static void ReadDataFromFifoOnCPU(u32 readPtr)
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{
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size_t len = 32;
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u8 *write_ptr = s_video_buffer_write_ptr;
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if (len > (size_t)(s_video_buffer + FIFO_SIZE - write_ptr))
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{
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// We can't wrap around while the GPU is working on the data.
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// This should be very rare due to the reset in SyncGPU.
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SyncGPU(SYNC_GPU_WRAPAROUND);
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if (!s_gpu_mainloop.IsRunning())
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{
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// GPU is shutting down, so the next asserts may fail
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return;
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}
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size_t len = 32;
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u8* write_ptr = s_video_buffer_write_ptr;
|
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if (len > (size_t)(s_video_buffer + FIFO_SIZE - write_ptr))
|
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{
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// We can't wrap around while the GPU is working on the data.
|
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// This should be very rare due to the reset in SyncGPU.
|
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SyncGPU(SYNC_GPU_WRAPAROUND);
|
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if (!s_gpu_mainloop.IsRunning())
|
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{
|
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// GPU is shutting down, so the next asserts may fail
|
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return;
|
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}
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if (s_video_buffer_pp_read_ptr != s_video_buffer_read_ptr)
|
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{
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PanicAlert("desynced read pointers");
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return;
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}
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write_ptr = s_video_buffer_write_ptr;
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size_t existing_len = write_ptr - s_video_buffer_pp_read_ptr;
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if (len > (size_t)(FIFO_SIZE - existing_len))
|
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{
|
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PanicAlert("FIFO out of bounds (existing %zu + new %zu > %lu)", existing_len, len, (unsigned long) FIFO_SIZE);
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return;
|
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}
|
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}
|
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Memory::CopyFromEmu(s_video_buffer_write_ptr, readPtr, len);
|
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s_video_buffer_pp_read_ptr = OpcodeDecoder::Run<true>(DataReader(s_video_buffer_pp_read_ptr, write_ptr + len), nullptr, false);
|
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// This would have to be locked if the GPU thread didn't spin.
|
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s_video_buffer_write_ptr = write_ptr + len;
|
||||
if (s_video_buffer_pp_read_ptr != s_video_buffer_read_ptr)
|
||||
{
|
||||
PanicAlert("desynced read pointers");
|
||||
return;
|
||||
}
|
||||
write_ptr = s_video_buffer_write_ptr;
|
||||
size_t existing_len = write_ptr - s_video_buffer_pp_read_ptr;
|
||||
if (len > (size_t)(FIFO_SIZE - existing_len))
|
||||
{
|
||||
PanicAlert("FIFO out of bounds (existing %zu + new %zu > %lu)", existing_len, len,
|
||||
(unsigned long)FIFO_SIZE);
|
||||
return;
|
||||
}
|
||||
}
|
||||
Memory::CopyFromEmu(s_video_buffer_write_ptr, readPtr, len);
|
||||
s_video_buffer_pp_read_ptr = OpcodeDecoder::Run<true>(
|
||||
DataReader(s_video_buffer_pp_read_ptr, write_ptr + len), nullptr, false);
|
||||
// This would have to be locked if the GPU thread didn't spin.
|
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s_video_buffer_write_ptr = write_ptr + len;
|
||||
}
|
||||
|
||||
void ResetVideoBuffer()
|
||||
{
|
||||
s_video_buffer_read_ptr = s_video_buffer;
|
||||
s_video_buffer_write_ptr = s_video_buffer;
|
||||
s_video_buffer_seen_ptr = s_video_buffer;
|
||||
s_video_buffer_pp_read_ptr = s_video_buffer;
|
||||
s_fifo_aux_write_ptr = s_fifo_aux_data;
|
||||
s_fifo_aux_read_ptr = s_fifo_aux_data;
|
||||
s_video_buffer_read_ptr = s_video_buffer;
|
||||
s_video_buffer_write_ptr = s_video_buffer;
|
||||
s_video_buffer_seen_ptr = s_video_buffer;
|
||||
s_video_buffer_pp_read_ptr = s_video_buffer;
|
||||
s_fifo_aux_write_ptr = s_fifo_aux_data;
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s_fifo_aux_read_ptr = s_fifo_aux_data;
|
||||
}
|
||||
|
||||
|
||||
// Description: Main FIFO update loop
|
||||
// Purpose: Keep the Core HW updated about the CPU-GPU distance
|
||||
void RunGpuLoop()
|
||||
{
|
||||
AsyncRequests::GetInstance()->SetEnable(true);
|
||||
AsyncRequests::GetInstance()->SetPassthrough(false);
|
||||
|
||||
AsyncRequests::GetInstance()->SetEnable(true);
|
||||
AsyncRequests::GetInstance()->SetPassthrough(false);
|
||||
s_gpu_mainloop.Run(
|
||||
[] {
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
|
||||
s_gpu_mainloop.Run(
|
||||
[] {
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
g_video_backend->PeekMessages();
|
||||
|
||||
g_video_backend->PeekMessages();
|
||||
// Do nothing while paused
|
||||
if (!s_emu_running_state.load())
|
||||
return;
|
||||
|
||||
// Do nothing while paused
|
||||
if (!s_emu_running_state.load())
|
||||
return;
|
||||
if (s_use_deterministic_gpu_thread)
|
||||
{
|
||||
AsyncRequests::GetInstance()->PullEvents();
|
||||
|
||||
if (s_use_deterministic_gpu_thread)
|
||||
{
|
||||
AsyncRequests::GetInstance()->PullEvents();
|
||||
// All the fifo/CP stuff is on the CPU. We just need to run the opcode decoder.
|
||||
u8* seen_ptr = s_video_buffer_seen_ptr;
|
||||
u8* write_ptr = s_video_buffer_write_ptr;
|
||||
// See comment in SyncGPU
|
||||
if (write_ptr > seen_ptr)
|
||||
{
|
||||
s_video_buffer_read_ptr =
|
||||
OpcodeDecoder::Run(DataReader(s_video_buffer_read_ptr, write_ptr), nullptr, false);
|
||||
s_video_buffer_seen_ptr = write_ptr;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
SCPFifoStruct& fifo = CommandProcessor::fifo;
|
||||
|
||||
// All the fifo/CP stuff is on the CPU. We just need to run the opcode decoder.
|
||||
u8* seen_ptr = s_video_buffer_seen_ptr;
|
||||
u8* write_ptr = s_video_buffer_write_ptr;
|
||||
// See comment in SyncGPU
|
||||
if (write_ptr > seen_ptr)
|
||||
{
|
||||
s_video_buffer_read_ptr = OpcodeDecoder::Run(DataReader(s_video_buffer_read_ptr, write_ptr), nullptr, false);
|
||||
s_video_buffer_seen_ptr = write_ptr;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
SCPFifoStruct &fifo = CommandProcessor::fifo;
|
||||
AsyncRequests::GetInstance()->PullEvents();
|
||||
|
||||
AsyncRequests::GetInstance()->PullEvents();
|
||||
CommandProcessor::SetCPStatusFromGPU();
|
||||
|
||||
CommandProcessor::SetCPStatusFromGPU();
|
||||
// check if we are able to run this buffer
|
||||
while (!CommandProcessor::IsInterruptWaiting() && fifo.bFF_GPReadEnable &&
|
||||
fifo.CPReadWriteDistance && !AtBreakpoint())
|
||||
{
|
||||
if (param.bSyncGPU && s_sync_ticks.load() < param.iSyncGpuMinDistance)
|
||||
break;
|
||||
|
||||
// check if we are able to run this buffer
|
||||
while (!CommandProcessor::IsInterruptWaiting() && fifo.bFF_GPReadEnable && fifo.CPReadWriteDistance && !AtBreakpoint())
|
||||
{
|
||||
if (param.bSyncGPU && s_sync_ticks.load() < param.iSyncGpuMinDistance)
|
||||
break;
|
||||
u32 cyclesExecuted = 0;
|
||||
u32 readPtr = fifo.CPReadPointer;
|
||||
ReadDataFromFifo(readPtr);
|
||||
|
||||
u32 cyclesExecuted = 0;
|
||||
u32 readPtr = fifo.CPReadPointer;
|
||||
ReadDataFromFifo(readPtr);
|
||||
if (readPtr == fifo.CPEnd)
|
||||
readPtr = fifo.CPBase;
|
||||
else
|
||||
readPtr += 32;
|
||||
|
||||
if (readPtr == fifo.CPEnd)
|
||||
readPtr = fifo.CPBase;
|
||||
else
|
||||
readPtr += 32;
|
||||
_assert_msg_(COMMANDPROCESSOR, (s32)fifo.CPReadWriteDistance - 32 >= 0,
|
||||
"Negative fifo.CPReadWriteDistance = %i in FIFO Loop !\nThat can produce "
|
||||
"instability in the game. Please report it.",
|
||||
fifo.CPReadWriteDistance - 32);
|
||||
|
||||
_assert_msg_(COMMANDPROCESSOR, (s32)fifo.CPReadWriteDistance - 32 >= 0 ,
|
||||
"Negative fifo.CPReadWriteDistance = %i in FIFO Loop !\nThat can produce instability in the game. Please report it.", fifo.CPReadWriteDistance - 32);
|
||||
u8* write_ptr = s_video_buffer_write_ptr;
|
||||
s_video_buffer_read_ptr = OpcodeDecoder::Run(
|
||||
DataReader(s_video_buffer_read_ptr, write_ptr), &cyclesExecuted, false);
|
||||
|
||||
u8* write_ptr = s_video_buffer_write_ptr;
|
||||
s_video_buffer_read_ptr = OpcodeDecoder::Run(DataReader(s_video_buffer_read_ptr, write_ptr), &cyclesExecuted, false);
|
||||
Common::AtomicStore(fifo.CPReadPointer, readPtr);
|
||||
Common::AtomicAdd(fifo.CPReadWriteDistance, -32);
|
||||
if ((write_ptr - s_video_buffer_read_ptr) == 0)
|
||||
Common::AtomicStore(fifo.SafeCPReadPointer, fifo.CPReadPointer);
|
||||
|
||||
Common::AtomicStore(fifo.CPReadPointer, readPtr);
|
||||
Common::AtomicAdd(fifo.CPReadWriteDistance, -32);
|
||||
if ((write_ptr - s_video_buffer_read_ptr) == 0)
|
||||
Common::AtomicStore(fifo.SafeCPReadPointer, fifo.CPReadPointer);
|
||||
CommandProcessor::SetCPStatusFromGPU();
|
||||
|
||||
CommandProcessor::SetCPStatusFromGPU();
|
||||
if (param.bSyncGPU)
|
||||
{
|
||||
cyclesExecuted = (int)(cyclesExecuted / param.fSyncGpuOverclock);
|
||||
int old = s_sync_ticks.fetch_sub(cyclesExecuted);
|
||||
if (old > 0 && old - (int)cyclesExecuted <= 0)
|
||||
s_sync_wakeup_event.Set();
|
||||
}
|
||||
|
||||
if (param.bSyncGPU)
|
||||
{
|
||||
cyclesExecuted = (int)(cyclesExecuted / param.fSyncGpuOverclock);
|
||||
int old = s_sync_ticks.fetch_sub(cyclesExecuted);
|
||||
if (old > 0 && old - (int)cyclesExecuted <= 0)
|
||||
s_sync_wakeup_event.Set();
|
||||
}
|
||||
// This call is pretty important in DualCore mode and must be called in the FIFO Loop.
|
||||
// If we don't, s_swapRequested or s_efbAccessRequested won't be set to false
|
||||
// leading the CPU thread to wait in Video_BeginField or Video_AccessEFB thus slowing
|
||||
// things down.
|
||||
AsyncRequests::GetInstance()->PullEvents();
|
||||
}
|
||||
|
||||
// This call is pretty important in DualCore mode and must be called in the FIFO Loop.
|
||||
// If we don't, s_swapRequested or s_efbAccessRequested won't be set to false
|
||||
// leading the CPU thread to wait in Video_BeginField or Video_AccessEFB thus slowing things down.
|
||||
AsyncRequests::GetInstance()->PullEvents();
|
||||
}
|
||||
// fast skip remaining GPU time if fifo is empty
|
||||
if (s_sync_ticks.load() > 0)
|
||||
{
|
||||
int old = s_sync_ticks.exchange(0);
|
||||
if (old > 0)
|
||||
s_sync_wakeup_event.Set();
|
||||
}
|
||||
|
||||
// fast skip remaining GPU time if fifo is empty
|
||||
if (s_sync_ticks.load() > 0)
|
||||
{
|
||||
int old = s_sync_ticks.exchange(0);
|
||||
if (old > 0)
|
||||
s_sync_wakeup_event.Set();
|
||||
}
|
||||
// The fifo is empty and it's unlikely we will get any more work in the near future.
|
||||
// Make sure VertexManager finishes drawing any primitives it has stored in it's buffer.
|
||||
VertexManagerBase::Flush();
|
||||
}
|
||||
},
|
||||
100);
|
||||
|
||||
// The fifo is empty and it's unlikely we will get any more work in the near future.
|
||||
// Make sure VertexManager finishes drawing any primitives it has stored in it's buffer.
|
||||
VertexManagerBase::Flush();
|
||||
}
|
||||
}, 100);
|
||||
|
||||
AsyncRequests::GetInstance()->SetEnable(false);
|
||||
AsyncRequests::GetInstance()->SetPassthrough(true);
|
||||
AsyncRequests::GetInstance()->SetEnable(false);
|
||||
AsyncRequests::GetInstance()->SetPassthrough(true);
|
||||
}
|
||||
|
||||
void FlushGpu()
|
||||
{
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
|
||||
if (!param.bCPUThread || s_use_deterministic_gpu_thread)
|
||||
return;
|
||||
if (!param.bCPUThread || s_use_deterministic_gpu_thread)
|
||||
return;
|
||||
|
||||
s_gpu_mainloop.Wait();
|
||||
s_gpu_mainloop.Wait();
|
||||
}
|
||||
|
||||
void GpuMaySleep()
|
||||
{
|
||||
s_gpu_mainloop.AllowSleep();
|
||||
s_gpu_mainloop.AllowSleep();
|
||||
}
|
||||
|
||||
bool AtBreakpoint()
|
||||
{
|
||||
SCPFifoStruct &fifo = CommandProcessor::fifo;
|
||||
return fifo.bFF_BPEnable && (fifo.CPReadPointer == fifo.CPBreakpoint);
|
||||
SCPFifoStruct& fifo = CommandProcessor::fifo;
|
||||
return fifo.bFF_BPEnable && (fifo.CPReadPointer == fifo.CPBreakpoint);
|
||||
}
|
||||
|
||||
void RunGpu()
|
||||
{
|
||||
SCPFifoStruct &fifo = CommandProcessor::fifo;
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
SCPFifoStruct& fifo = CommandProcessor::fifo;
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
|
||||
// execute GPU
|
||||
if (!param.bCPUThread || s_use_deterministic_gpu_thread)
|
||||
{
|
||||
bool reset_simd_state = false;
|
||||
while (fifo.bFF_GPReadEnable && fifo.CPReadWriteDistance && !AtBreakpoint() )
|
||||
{
|
||||
if (s_use_deterministic_gpu_thread)
|
||||
{
|
||||
ReadDataFromFifoOnCPU(fifo.CPReadPointer);
|
||||
s_gpu_mainloop.Wakeup();
|
||||
}
|
||||
else
|
||||
{
|
||||
if (!reset_simd_state)
|
||||
{
|
||||
FPURoundMode::SaveSIMDState();
|
||||
FPURoundMode::LoadDefaultSIMDState();
|
||||
reset_simd_state = true;
|
||||
}
|
||||
ReadDataFromFifo(fifo.CPReadPointer);
|
||||
s_video_buffer_read_ptr = OpcodeDecoder::Run(DataReader(s_video_buffer_read_ptr, s_video_buffer_write_ptr), nullptr, false);
|
||||
}
|
||||
// execute GPU
|
||||
if (!param.bCPUThread || s_use_deterministic_gpu_thread)
|
||||
{
|
||||
bool reset_simd_state = false;
|
||||
while (fifo.bFF_GPReadEnable && fifo.CPReadWriteDistance && !AtBreakpoint())
|
||||
{
|
||||
if (s_use_deterministic_gpu_thread)
|
||||
{
|
||||
ReadDataFromFifoOnCPU(fifo.CPReadPointer);
|
||||
s_gpu_mainloop.Wakeup();
|
||||
}
|
||||
else
|
||||
{
|
||||
if (!reset_simd_state)
|
||||
{
|
||||
FPURoundMode::SaveSIMDState();
|
||||
FPURoundMode::LoadDefaultSIMDState();
|
||||
reset_simd_state = true;
|
||||
}
|
||||
ReadDataFromFifo(fifo.CPReadPointer);
|
||||
s_video_buffer_read_ptr = OpcodeDecoder::Run(
|
||||
DataReader(s_video_buffer_read_ptr, s_video_buffer_write_ptr), nullptr, false);
|
||||
}
|
||||
|
||||
//DEBUG_LOG(COMMANDPROCESSOR, "Fifo wraps to base");
|
||||
// DEBUG_LOG(COMMANDPROCESSOR, "Fifo wraps to base");
|
||||
|
||||
if (fifo.CPReadPointer == fifo.CPEnd)
|
||||
fifo.CPReadPointer = fifo.CPBase;
|
||||
else
|
||||
fifo.CPReadPointer += 32;
|
||||
if (fifo.CPReadPointer == fifo.CPEnd)
|
||||
fifo.CPReadPointer = fifo.CPBase;
|
||||
else
|
||||
fifo.CPReadPointer += 32;
|
||||
|
||||
fifo.CPReadWriteDistance -= 32;
|
||||
}
|
||||
CommandProcessor::SetCPStatusFromGPU();
|
||||
fifo.CPReadWriteDistance -= 32;
|
||||
}
|
||||
CommandProcessor::SetCPStatusFromGPU();
|
||||
|
||||
if (reset_simd_state)
|
||||
{
|
||||
FPURoundMode::LoadSIMDState();
|
||||
}
|
||||
}
|
||||
if (reset_simd_state)
|
||||
{
|
||||
FPURoundMode::LoadSIMDState();
|
||||
}
|
||||
}
|
||||
|
||||
// wake up GPU thread
|
||||
if (param.bCPUThread)
|
||||
{
|
||||
s_gpu_mainloop.Wakeup();
|
||||
}
|
||||
// wake up GPU thread
|
||||
if (param.bCPUThread)
|
||||
{
|
||||
s_gpu_mainloop.Wakeup();
|
||||
}
|
||||
}
|
||||
|
||||
void UpdateWantDeterminism(bool want)
|
||||
{
|
||||
// We are paused (or not running at all yet), so
|
||||
// it should be safe to change this.
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
bool gpu_thread = false;
|
||||
switch (param.m_GPUDeterminismMode)
|
||||
{
|
||||
case GPU_DETERMINISM_AUTO:
|
||||
gpu_thread = want;
|
||||
// We are paused (or not running at all yet), so
|
||||
// it should be safe to change this.
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
bool gpu_thread = false;
|
||||
switch (param.m_GPUDeterminismMode)
|
||||
{
|
||||
case GPU_DETERMINISM_AUTO:
|
||||
gpu_thread = want;
|
||||
|
||||
// Hack: For now movies are an exception to this being on (but not
|
||||
// to wanting determinism in general). Once vertex arrays are
|
||||
// fixed, there should be no reason to want this off for movies by
|
||||
// default, so this can be removed.
|
||||
if (!NetPlay::IsNetPlayRunning())
|
||||
gpu_thread = false;
|
||||
// Hack: For now movies are an exception to this being on (but not
|
||||
// to wanting determinism in general). Once vertex arrays are
|
||||
// fixed, there should be no reason to want this off for movies by
|
||||
// default, so this can be removed.
|
||||
if (!NetPlay::IsNetPlayRunning())
|
||||
gpu_thread = false;
|
||||
|
||||
break;
|
||||
case GPU_DETERMINISM_NONE:
|
||||
gpu_thread = false;
|
||||
break;
|
||||
case GPU_DETERMINISM_FAKE_COMPLETION:
|
||||
gpu_thread = true;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GPU_DETERMINISM_NONE:
|
||||
gpu_thread = false;
|
||||
break;
|
||||
case GPU_DETERMINISM_FAKE_COMPLETION:
|
||||
gpu_thread = true;
|
||||
break;
|
||||
}
|
||||
|
||||
gpu_thread = gpu_thread && param.bCPUThread;
|
||||
gpu_thread = gpu_thread && param.bCPUThread;
|
||||
|
||||
if (s_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.
|
||||
s_video_buffer_seen_ptr = s_video_buffer_pp_read_ptr = s_video_buffer_read_ptr;
|
||||
CopyPreprocessCPStateFromMain();
|
||||
VertexLoaderManager::MarkAllDirty();
|
||||
}
|
||||
}
|
||||
if (s_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.
|
||||
s_video_buffer_seen_ptr = s_video_buffer_pp_read_ptr = s_video_buffer_read_ptr;
|
||||
CopyPreprocessCPStateFromMain();
|
||||
VertexLoaderManager::MarkAllDirty();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool UseDeterministicGPUThread()
|
||||
{
|
||||
return s_use_deterministic_gpu_thread;
|
||||
return s_use_deterministic_gpu_thread;
|
||||
}
|
||||
|
||||
/* This function checks the emulated CPU - GPU distance and may wake up the GPU,
|
||||
@ -517,56 +524,55 @@ bool UseDeterministicGPUThread()
|
||||
*/
|
||||
static int Update(int ticks)
|
||||
{
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
const SConfig& param = SConfig::GetInstance();
|
||||
|
||||
// GPU is sleeping, so no need for synchronization
|
||||
if (s_gpu_mainloop.IsDone() || s_use_deterministic_gpu_thread)
|
||||
{
|
||||
if (s_sync_ticks.load() < 0)
|
||||
{
|
||||
int old = s_sync_ticks.fetch_add(ticks);
|
||||
if (old < param.iSyncGpuMinDistance && old + ticks >= param.iSyncGpuMinDistance)
|
||||
RunGpu();
|
||||
}
|
||||
return param.iSyncGpuMaxDistance;
|
||||
}
|
||||
// GPU is sleeping, so no need for synchronization
|
||||
if (s_gpu_mainloop.IsDone() || s_use_deterministic_gpu_thread)
|
||||
{
|
||||
if (s_sync_ticks.load() < 0)
|
||||
{
|
||||
int old = s_sync_ticks.fetch_add(ticks);
|
||||
if (old < param.iSyncGpuMinDistance && old + ticks >= param.iSyncGpuMinDistance)
|
||||
RunGpu();
|
||||
}
|
||||
return param.iSyncGpuMaxDistance;
|
||||
}
|
||||
|
||||
// Wakeup GPU
|
||||
int old = s_sync_ticks.fetch_add(ticks);
|
||||
if (old < param.iSyncGpuMinDistance && old + ticks >= param.iSyncGpuMinDistance)
|
||||
RunGpu();
|
||||
// Wakeup GPU
|
||||
int old = s_sync_ticks.fetch_add(ticks);
|
||||
if (old < param.iSyncGpuMinDistance && old + ticks >= param.iSyncGpuMinDistance)
|
||||
RunGpu();
|
||||
|
||||
// Wait for GPU
|
||||
if (s_sync_ticks.load() >= param.iSyncGpuMaxDistance)
|
||||
{
|
||||
while (s_sync_ticks.load() > 0)
|
||||
{
|
||||
s_sync_wakeup_event.Wait();
|
||||
}
|
||||
}
|
||||
// Wait for GPU
|
||||
if (s_sync_ticks.load() >= param.iSyncGpuMaxDistance)
|
||||
{
|
||||
while (s_sync_ticks.load() > 0)
|
||||
{
|
||||
s_sync_wakeup_event.Wait();
|
||||
}
|
||||
}
|
||||
|
||||
return param.iSyncGpuMaxDistance - s_sync_ticks.load();
|
||||
return param.iSyncGpuMaxDistance - s_sync_ticks.load();
|
||||
}
|
||||
|
||||
static void SyncGPUCallback(u64 userdata, s64 cyclesLate)
|
||||
{
|
||||
u64 now = CoreTiming::GetTicks();
|
||||
int next = Fifo::Update((int)(now - s_last_sync_gpu_tick));
|
||||
s_last_sync_gpu_tick = now;
|
||||
u64 now = CoreTiming::GetTicks();
|
||||
int next = Fifo::Update((int)(now - s_last_sync_gpu_tick));
|
||||
s_last_sync_gpu_tick = now;
|
||||
|
||||
if (next > 0)
|
||||
CoreTiming::ScheduleEvent(next, s_event_sync_gpu);
|
||||
if (next > 0)
|
||||
CoreTiming::ScheduleEvent(next, s_event_sync_gpu);
|
||||
}
|
||||
|
||||
// Initialize GPU - CPU thread syncing, this gives us a deterministic way to start the GPU thread.
|
||||
void Prepare()
|
||||
{
|
||||
if (SConfig::GetInstance().bCPUThread && SConfig::GetInstance().bSyncGPU)
|
||||
{
|
||||
s_event_sync_gpu = CoreTiming::RegisterEvent("SyncGPUCallback", SyncGPUCallback);
|
||||
CoreTiming::ScheduleEvent(0, s_event_sync_gpu);
|
||||
s_last_sync_gpu_tick = CoreTiming::GetTicks();
|
||||
}
|
||||
if (SConfig::GetInstance().bCPUThread && SConfig::GetInstance().bSyncGPU)
|
||||
{
|
||||
s_event_sync_gpu = CoreTiming::RegisterEvent("SyncGPUCallback", SyncGPUCallback);
|
||||
CoreTiming::ScheduleEvent(0, s_event_sync_gpu);
|
||||
s_last_sync_gpu_tick = CoreTiming::GetTicks();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user