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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/Fifo.h"
#include "VideoCommon/VertexManagerBase.h"
#include "VideoCommon/VideoBackendBase.h"
#include "VideoCommon/VideoEvents.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 = std::move(m_queue.front());
lock.unlock();
std::invoke(e);
lock.lock();
m_queue.pop();
}
m_cond.notify_one();
}
void AsyncRequests::QueueEvent(Event&& event)
{
m_empty.Clear();
if (!m_enable)
return;
m_queue.push(std::move(event));
auto& system = Core::System::GetInstance();
system.GetFifo().RunGpu();
}
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();
m_cond.notify_one();
}
}
void AsyncRequests::SetPassthrough(bool enable)
{
std::unique_lock<std::mutex> lock(m_mutex);
m_passthrough = enable;
}
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