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// Copyright 2015 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoCommon/AsyncRequests.h"
#include <mutex>
#include "Core/System.h"
#include "VideoCommon/BoundingBox.h"
#include "VideoCommon/EFBInterface.h"
#include "VideoCommon/Fifo.h"
#include "VideoCommon/Present.h"
#include "VideoCommon/Statistics.h"
#include "VideoCommon/VertexManagerBase.h"
#include "VideoCommon/VideoBackendBase.h"
#include "VideoCommon/VideoEvents.h"
#include "VideoCommon/VideoState.h"
AsyncRequests AsyncRequests::s_singleton;
AsyncRequests::AsyncRequests() = default;
void AsyncRequests::PullEventsInternal()
{
// This is only called if the queue isn't empty.
// So just flush the pipeline to get accurate results.
g_vertex_manager->Flush();
std::unique_lock<std::mutex> lock(m_mutex);
m_empty.Set();
while (!m_queue.empty())
{
Event e = m_queue.front();
lock.unlock();
HandleEvent(e);
lock.lock();
m_queue.pop();
}
if (m_wake_me_up_again)
{
m_wake_me_up_again = false;
m_cond.notify_all();
}
}
void AsyncRequests::PushEvent(const AsyncRequests::Event& event, bool blocking)
{
std::unique_lock<std::mutex> lock(m_mutex);
if (m_passthrough)
{
HandleEvent(event);
return;
}
m_empty.Clear();
m_wake_me_up_again |= blocking;
if (!m_enable)
return;
m_queue.push(event);
auto& system = Core::System::GetInstance();
system.GetFifo().RunGpu();
if (blocking)
{
m_cond.wait(lock, [this] { return m_queue.empty(); });
}
}
void AsyncRequests::WaitForEmptyQueue()
{
std::unique_lock<std::mutex> lock(m_mutex);
m_cond.wait(lock, [this] { return m_queue.empty(); });
}
void AsyncRequests::SetEnable(bool enable)
{
std::unique_lock<std::mutex> lock(m_mutex);
m_enable = enable;
if (!enable)
{
// flush the queue on disabling
while (!m_queue.empty())
m_queue.pop();
if (m_wake_me_up_again)
m_cond.notify_all();
}
}
void AsyncRequests::HandleEvent(const AsyncRequests::Event& e)
{
switch (e.type)
{
case Event::EFB_POKE_COLOR:
{
INCSTAT(g_stats.this_frame.num_efb_pokes);
g_efb_interface->PokeColor(e.efb_poke.x, e.efb_poke.y, e.efb_poke.data);
}
break;
case Event::EFB_POKE_Z:
{
INCSTAT(g_stats.this_frame.num_efb_pokes);
g_efb_interface->PokeDepth(e.efb_poke.x, e.efb_poke.y, e.efb_poke.data);
}
break;
case Event::EFB_PEEK_COLOR:
INCSTAT(g_stats.this_frame.num_efb_peeks);
*e.efb_peek.data = g_efb_interface->PeekColor(e.efb_peek.x, e.efb_peek.y);
break;
case Event::EFB_PEEK_Z:
INCSTAT(g_stats.this_frame.num_efb_peeks);
*e.efb_peek.data = g_efb_interface->PeekDepth(e.efb_peek.x, e.efb_peek.y);
break;
case Event::SWAP_EVENT:
g_presenter->ViSwap(e.swap_event.xfbAddr, e.swap_event.fbWidth, e.swap_event.fbStride,
e.swap_event.fbHeight, e.time, e.swap_event.presentation_time);
break;
case Event::BBOX_READ:
*e.bbox.data = g_bounding_box->Get(e.bbox.index);
break;
case Event::FIFO_RESET:
Core::System::GetInstance().GetFifo().ResetVideoBuffer();
break;
case Event::PERF_QUERY:
g_perf_query->FlushResults();
break;
case Event::DO_SAVE_STATE:
VideoCommon_DoState(*e.do_save_state.p);
break;
}
}
void AsyncRequests::SetPassthrough(bool enable)
{
std::unique_lock<std::mutex> lock(m_mutex);
m_passthrough = enable;
}
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