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b6d93b2c77
We can just pass the function object through, and if it's a valid function, then it will automatically be converted.
97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
// SPDX-FileCopyrightText: 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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#pragma once
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#include <array>
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#include <atomic>
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#include <condition_variable>
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#include <functional>
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#include <list>
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#include <mutex>
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#include "common/common_types.h"
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namespace Tegra {
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namespace Host1x {
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class SyncpointManager {
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public:
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u32 GetGuestSyncpointValue(u32 id) const {
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return syncpoints_guest[id].load(std::memory_order_acquire);
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}
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u32 GetHostSyncpointValue(u32 id) const {
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return syncpoints_host[id].load(std::memory_order_acquire);
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}
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struct RegisteredAction {
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explicit RegisteredAction(u32 expected_value_, std::function<void()>&& action_)
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: expected_value{expected_value_}, action{std::move(action_)} {}
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u32 expected_value;
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std::function<void()> action;
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};
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using ActionHandle = std::list<RegisteredAction>::iterator;
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template <typename Func>
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ActionHandle RegisterGuestAction(u32 syncpoint_id, u32 expected_value, Func&& action) {
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return RegisterAction(syncpoints_guest[syncpoint_id], guest_action_storage[syncpoint_id],
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expected_value, std::move(action));
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}
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template <typename Func>
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ActionHandle RegisterHostAction(u32 syncpoint_id, u32 expected_value, Func&& action) {
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return RegisterAction(syncpoints_host[syncpoint_id], host_action_storage[syncpoint_id],
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expected_value, std::move(action));
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}
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void DeregisterGuestAction(u32 syncpoint_id, const ActionHandle& handle);
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void DeregisterHostAction(u32 syncpoint_id, const ActionHandle& handle);
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void IncrementGuest(u32 syncpoint_id);
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void IncrementHost(u32 syncpoint_id);
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void WaitGuest(u32 syncpoint_id, u32 expected_value);
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void WaitHost(u32 syncpoint_id, u32 expected_value);
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bool IsReadyGuest(u32 syncpoint_id, u32 expected_value) const {
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return syncpoints_guest[syncpoint_id].load(std::memory_order_acquire) >= expected_value;
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}
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bool IsReadyHost(u32 syncpoint_id, u32 expected_value) const {
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return syncpoints_host[syncpoint_id].load(std::memory_order_acquire) >= expected_value;
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}
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private:
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void Increment(std::atomic<u32>& syncpoint, std::condition_variable& wait_cv,
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std::list<RegisteredAction>& action_storage);
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ActionHandle RegisterAction(std::atomic<u32>& syncpoint,
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std::list<RegisteredAction>& action_storage, u32 expected_value,
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std::function<void()>&& action);
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void DeregisterAction(std::list<RegisteredAction>& action_storage, const ActionHandle& handle);
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void Wait(std::atomic<u32>& syncpoint, std::condition_variable& wait_cv, u32 expected_value);
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static constexpr size_t NUM_MAX_SYNCPOINTS = 192;
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std::array<std::atomic<u32>, NUM_MAX_SYNCPOINTS> syncpoints_guest{};
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std::array<std::atomic<u32>, NUM_MAX_SYNCPOINTS> syncpoints_host{};
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std::array<std::list<RegisteredAction>, NUM_MAX_SYNCPOINTS> guest_action_storage;
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std::array<std::list<RegisteredAction>, NUM_MAX_SYNCPOINTS> host_action_storage;
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std::mutex guard;
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std::condition_variable wait_guest_cv;
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std::condition_variable wait_host_cv;
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};
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} // namespace Host1x
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} // namespace Tegra
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