VideoCore: Refactor syncing.
parent
e44ac8b821
commit
668e80a9f4
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// Copyright 2022 yuzu Emulator Project
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// Licensed under GPLv3 or any later version
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// Refer to the license.txt file included.
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#include "common/assert.h"
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#include "video_core/gpu.h"
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#include "video_core/host1x/control.h"
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#include "video_core/host1x/host1x.h"
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namespace Tegra::Host1x {
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Control::Control(GPU& gpu_) : gpu(gpu_) {}
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Control::~Control() = default;
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void Control::ProcessMethod(Method method, u32 argument) {
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switch (method) {
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case Method::LoadSyncptPayload32:
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syncpoint_value = argument;
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break;
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case Method::WaitSyncpt:
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case Method::WaitSyncpt32:
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Execute(argument);
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break;
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default:
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UNIMPLEMENTED_MSG("Control method 0x{:X}", static_cast<u32>(method));
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break;
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}
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}
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void Control::Execute(u32 data) {
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gpu.Host1x().GetSyncpointManager().WaitHost(data, syncpoint_value);
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}
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} // namespace Tegra::Host1x
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// Copyright 2022 yuzu Emulator Project
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// Licensed under GPLv3 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "common/common_types.h"
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#include "video_core/host1x/syncpoint_manager.h"
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namespace Tegra {
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namespace Host1x {
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class Host1x {
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public:
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Host1x() : syncpoint_manager{} {}
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SyncpointManager& GetSyncpointManager() {
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return syncpoint_manager;
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}
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const SyncpointManager& GetSyncpointManager() const {
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return syncpoint_manager;
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}
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private:
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SyncpointManager syncpoint_manager;
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};
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} // namespace Host1x
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} // namespace Tegra
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv3 or any later version
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// Refer to the license.txt file included.
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#include "video_core/host1x/syncpoint_manager.h"
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namespace Tegra {
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namespace Host1x {
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SyncpointManager::ActionHandle SyncpointManager::RegisterAction(
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std::atomic<u32>& syncpoint, std::list<RegisteredAction>& action_storage, u32 expected_value,
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std::function<void(void)>& action) {
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if (syncpoint.load(std::memory_order_acquire) >= expected_value) {
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action();
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return {};
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}
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std::unique_lock<std::mutex> lk(guard);
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if (syncpoint.load(std::memory_order_relaxed) >= expected_value) {
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action();
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return {};
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}
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auto it = action_storage.begin();
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while (it != action_storage.end()) {
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if (it->expected_value >= expected_value) {
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break;
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}
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++it;
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}
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return action_storage.emplace(it, expected_value, action);
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}
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void SyncpointManager::DeregisterAction(std::list<RegisteredAction>& action_storage,
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ActionHandle& handle) {
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std::unique_lock<std::mutex> lk(guard);
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action_storage.erase(handle);
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}
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void SyncpointManager::DeregisterGuestAction(u32 syncpoint_id, ActionHandle& handle) {
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DeregisterAction(guest_action_storage[syncpoint_id], handle);
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}
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void SyncpointManager::DeregisterHostAction(u32 syncpoint_id, ActionHandle& handle) {
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DeregisterAction(host_action_storage[syncpoint_id], handle);
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}
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void SyncpointManager::IncrementGuest(u32 syncpoint_id) {
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Increment(syncpoints_guest[syncpoint_id], wait_guest_cv, guest_action_storage[syncpoint_id]);
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}
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void SyncpointManager::IncrementHost(u32 syncpoint_id) {
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Increment(syncpoints_host[syncpoint_id], wait_host_cv, host_action_storage[syncpoint_id]);
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}
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void SyncpointManager::WaitGuest(u32 syncpoint_id, u32 expected_value) {
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Wait(syncpoints_guest[syncpoint_id], wait_guest_cv, expected_value);
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}
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void SyncpointManager::WaitHost(u32 syncpoint_id, u32 expected_value) {
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Wait(syncpoints_host[syncpoint_id], wait_host_cv, expected_value);
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}
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void SyncpointManager::Increment(std::atomic<u32>& syncpoint, std::condition_variable& wait_cv,
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std::list<RegisteredAction>& action_storage) {
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auto new_value{syncpoint.fetch_add(1, std::memory_order_acq_rel) + 1};
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std::unique_lock<std::mutex> lk(guard);
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auto it = action_storage.begin();
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while (it != action_storage.end()) {
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if (it->expected_value > new_value) {
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break;
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}
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it->action();
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it = action_storage.erase(it);
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}
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wait_cv.notify_all();
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}
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void SyncpointManager::Wait(std::atomic<u32>& syncpoint, std::condition_variable& wait_cv,
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u32 expected_value) {
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const auto pred = [&]() { return syncpoint.load(std::memory_order_acquire) >= expected_value; };
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if (pred()) {
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return;
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}
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std::unique_lock<std::mutex> lk(guard);
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wait_cv.wait(lk, pred);
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}
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} // namespace Host1x
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} // namespace Tegra
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@ -0,0 +1,99 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv3 or any later version
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// Refer to the license.txt file included.
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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) {
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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) {
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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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RegisteredAction(u32 expected_value_, std::function<void(void)>& action_)
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: expected_value{expected_value_}, action{action_} {}
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u32 expected_value;
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std::function<void(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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std::function<void(void)> func(action);
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return RegisterAction(syncpoints_guest[syncpoint_id], guest_action_storage[syncpoint_id],
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expected_value, func);
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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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std::function<void(void)> func(action);
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return RegisterAction(syncpoints_host[syncpoint_id], host_action_storage[syncpoint_id],
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expected_value, func);
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}
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void DeregisterGuestAction(u32 syncpoint_id,ActionHandle& handle);
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void DeregisterHostAction(u32 syncpoint_id,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) {
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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) {
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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(void)>& action);
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void DeregisterAction(std::list<RegisteredAction>& action_storage, 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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