diff options
Diffstat (limited to 'src/core/hle/service/hid/ring_lifo.h')
-rw-r--r-- | src/core/hle/service/hid/ring_lifo.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/src/core/hle/service/hid/ring_lifo.h b/src/core/hle/service/hid/ring_lifo.h deleted file mode 100644 index 0816784e0..000000000 --- a/src/core/hle/service/hid/ring_lifo.h +++ /dev/null @@ -1,53 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project -// SPDX-License-Identifier: GPL-2.0-or-later - -#pragma once - -#include <array> - -#include "common/common_types.h" - -namespace Service::HID { - -template <typename State> -struct AtomicStorage { - s64 sampling_number; - State state; -}; - -template <typename State, std::size_t max_buffer_size> -struct Lifo { - s64 timestamp{}; - s64 total_buffer_count = static_cast<s64>(max_buffer_size); - s64 buffer_tail{}; - s64 buffer_count{}; - std::array<AtomicStorage<State>, max_buffer_size> entries{}; - - const AtomicStorage<State>& ReadCurrentEntry() const { - return entries[buffer_tail]; - } - - const AtomicStorage<State>& ReadPreviousEntry() const { - return entries[GetPreviousEntryIndex()]; - } - - std::size_t GetPreviousEntryIndex() const { - return static_cast<size_t>((buffer_tail + max_buffer_size - 1) % max_buffer_size); - } - - std::size_t GetNextEntryIndex() const { - return static_cast<size_t>((buffer_tail + 1) % max_buffer_size); - } - - void WriteNextEntry(const State& new_state) { - if (buffer_count < static_cast<s64>(max_buffer_size) - 1) { - buffer_count++; - } - buffer_tail = GetNextEntryIndex(); - const auto& previous_entry = ReadPreviousEntry(); - entries[buffer_tail].sampling_number = previous_entry.sampling_number + 1; - entries[buffer_tail].state = new_state; - } -}; - -} // namespace Service::HID |