dolphin/Source/Core/VideoCommon/AsyncRequests.h

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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include <atomic>
#include <condition_variable>
#include <mutex>
#include <queue>
#include "Common/CommonTypes.h"
class AsyncRequests
{
public:
struct Event
{
enum Type
{
EFB_POKE_COLOR,
EFB_POKE_Z,
EFB_PEEK_COLOR,
EFB_PEEK_Z,
SWAP_EVENT,
} type;
u64 time;
union
{
struct
{
u16 x;
u16 y;
u32 data;
} efb_poke;
struct
{
u16 x;
u16 y;
u32* data;
} efb_peek;
struct
{
u32 xfbAddr;
u32 fbWidth;
u32 fbStride;
u32 fbHeight;
} swap_event;
};
};
AsyncRequests();
void PullEvents()
{
if (!m_empty.load())
PullEventsInternal();
}
void PushEvent(const Event& event, bool blocking = false);
void SetEnable(bool enable);
void SetPassthrough(bool enable);
static AsyncRequests* GetInstance() { return &s_singleton; }
private:
void PullEventsInternal();
void HandleEvent(const Event& e);
static AsyncRequests s_singleton;
std::atomic<bool> m_empty;
std::queue<Event> m_queue;
std::mutex m_mutex;
std::condition_variable m_cond;
bool m_wake_me_up_again;
bool m_enable;
bool m_passthrough;
};