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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <memory>
#include <thread>
#include "audio_core/renderer/adsp/command_buffer.h"
#include "audio_core/renderer/adsp/command_list_processor.h"
#include "common/common_types.h"
#include "common/reader_writer_queue.h"
#include "common/thread.h"
namespace Core {
namespace Timing {
struct EventType;
}
class System;
} // namespace Core
namespace AudioCore {
namespace Sink {
class Sink;
}
namespace AudioRenderer::ADSP {
enum class RenderMessage {
/* 0x00 */ Invalid,
/* 0x01 */ AudioRenderer_MapUnmap_Map,
/* 0x02 */ AudioRenderer_MapUnmap_MapResponse,
/* 0x03 */ AudioRenderer_MapUnmap_Unmap,
/* 0x04 */ AudioRenderer_MapUnmap_UnmapResponse,
/* 0x05 */ AudioRenderer_MapUnmap_InvalidateCache,
/* 0x06 */ AudioRenderer_MapUnmap_InvalidateCacheResponse,
/* 0x07 */ AudioRenderer_MapUnmap_Shutdown,
/* 0x08 */ AudioRenderer_MapUnmap_ShutdownResponse,
/* 0x16 */ AudioRenderer_InitializeOK = 0x16,
/* 0x20 */ AudioRenderer_RenderResponse = 0x20,
/* 0x2A */ AudioRenderer_Render = 0x2A,
/* 0x34 */ AudioRenderer_Shutdown = 0x34,
};
/**
* A mailbox for the AudioRenderer, allowing communication between the host and the AudioRenderer
* running on the ADSP.
*/
class AudioRenderer_Mailbox {
public:
/**
* Send a message from the host to the AudioRenderer.
*
* @param message - The message to send to the AudioRenderer.
*/
void HostSendMessage(RenderMessage message);
/**
* Host wait for a message from the AudioRenderer.
*
* @return The message returned from the AudioRenderer.
*/
RenderMessage HostWaitMessage();
/**
* Send a message from the AudioRenderer to the host.
*
* @param message - The message to send to the host.
*/
void ADSPSendMessage(RenderMessage message);
/**
* AudioRenderer wait for a message from the host.
*
* @return The message returned from the AudioRenderer.
*/
RenderMessage ADSPWaitMessage();
/**
* Get the command buffer with the given session id (0 or 1).
*
* @param session_id - The session id to get (0 or 1).
* @return The command buffer.
*/
CommandBuffer& GetCommandBuffer(s32 session_id);
/**
* Set the command buffer with the given session id (0 or 1).
*
* @param session_id - The session id to get (0 or 1).
* @param buffer - The command buffer to set.
*/
void SetCommandBuffer(u32 session_id, const CommandBuffer& buffer);
/**
* Get the total render time taken for the last command lists sent.
*
* @return Total render time taken for the last command lists.
*/
u64 GetRenderTimeTaken() const;
/**
* Get the tick the AudioRenderer was signalled.
*
* @return The tick the AudioRenderer was signalled.
*/
u64 GetSignalledTick() const;
/**
* Set the tick the AudioRenderer was signalled.
*
* @param tick - The tick the AudioRenderer was signalled.
*/
void SetSignalledTick(u64 tick);
/**
* Clear the remaining command count.
*
* @param session_id - Index for which command list to clear (0 or 1).
*/
void ClearRemainCount(u32 session_id);
/**
* Get the remaining command count for a given command list.
*
* @param session_id - Index for which command list to clear (0 or 1).
* @return The remaining command count.
*/
u32 GetRemainCommandCount(u32 session_id) const;
/**
* Clear the command buffers (does not clear the time taken or the remaining command count).
*/
void ClearCommandBuffers();
private:
/// Host signalling event
Common::Event host_event{};
/// AudioRenderer signalling event
Common::Event adsp_event{};
/// Host message queue
Common::ReaderWriterQueue<RenderMessage> host_messages{};
/// AudioRenderer message queue
Common::ReaderWriterQueue<RenderMessage> adsp_messages{};
/// Command buffers
std::array<CommandBuffer, MaxRendererSessions> command_buffers{};
/// Tick the AudioRnederer was signalled
u64 signalled_tick{};
};
/**
* The AudioRenderer application running on the ADSP.
*/
class AudioRenderer {
public:
explicit AudioRenderer(Core::System& system);
~AudioRenderer();
/**
* Start the AudioRenderer.
*
* @param mailbox The mailbox to use for this session.
*/
void Start(AudioRenderer_Mailbox* mailbox);
/**
* Stop the AudioRenderer.
*/
void Stop();
private:
/**
* Main AudioRenderer thread, responsible for processing the command lists.
*/
void ThreadFunc();
/**
* Creates the streams which will receive the processed samples.
*/
void CreateSinkStreams();
/// Core system
Core::System& system;
/// Main thread
std::thread thread{};
/// The current state
std::atomic<bool> running{};
/// The active mailbox
AudioRenderer_Mailbox* mailbox{};
/// The command lists to process
std::array<CommandListProcessor, MaxRendererSessions> command_list_processors{};
/// The output sink the AudioRenderer will use
Sink::Sink& sink;
/// The streams which will receive the processed samples
std::array<Sink::SinkStream*, MaxRendererSessions> streams;
};
} // namespace AudioRenderer::ADSP
} // namespace AudioCore
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