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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <array>
#include <atomic>
#include "common/common_types.h"
#include "core/hle/service/nvdrv/nvdata.h"
namespace Tegra {
namespace Host1x {
class Host1x;
} // namespace Host1x
} // namespace Tegra
namespace Service::Nvidia::NvCore {
class SyncpointManager final {
public:
explicit SyncpointManager(Tegra::Host1x::Host1x& host1x);
~SyncpointManager();
/**
* Returns true if the specified syncpoint is expired for the given value.
* @param syncpoint_id Syncpoint ID to check.
* @param value Value to check against the specified syncpoint.
* @returns True if the specified syncpoint is expired for the given value, otherwise False.
*/
bool IsSyncpointExpired(u32 syncpoint_id, u32 value) const {
return (GetSyncpointMax(syncpoint_id) - value) >= (GetSyncpointMin(syncpoint_id) - value);
}
/**
* Gets the lower bound for the specified syncpoint.
* @param syncpoint_id Syncpoint ID to get the lower bound for.
* @returns The lower bound for the specified syncpoint.
*/
u32 GetSyncpointMin(u32 syncpoint_id) const {
return syncpoints.at(syncpoint_id).min.load(std::memory_order_relaxed);
}
/**
* Gets the uper bound for the specified syncpoint.
* @param syncpoint_id Syncpoint ID to get the upper bound for.
* @returns The upper bound for the specified syncpoint.
*/
u32 GetSyncpointMax(u32 syncpoint_id) const {
return syncpoints.at(syncpoint_id).max.load(std::memory_order_relaxed);
}
/**
* Refreshes the minimum value for the specified syncpoint.
* @param syncpoint_id Syncpoint ID to be refreshed.
* @returns The new syncpoint minimum value.
*/
u32 RefreshSyncpoint(u32 syncpoint_id);
/**
* Allocates a new syncoint.
* @returns The syncpoint ID for the newly allocated syncpoint.
*/
u32 AllocateSyncpoint();
/**
* Increases the maximum value for the specified syncpoint.
* @param syncpoint_id Syncpoint ID to be increased.
* @param value Value to increase the specified syncpoint by.
* @returns The new syncpoint maximum value.
*/
u32 IncreaseSyncpoint(u32 syncpoint_id, u32 value);
private:
struct Syncpoint {
std::atomic<u32> min;
std::atomic<u32> max;
std::atomic<bool> is_allocated;
};
std::array<Syncpoint, MaxSyncPoints> syncpoints{};
Tegra::Host1x::Host1x& host1x;
};
} // namespace Service::Nvidia::NvCore
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