79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
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// SPDX-FileCopyrightText: Copyright 2018 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#pragma once
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#include <vector>
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#include "common/common_types.h"
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namespace VideoCommon {
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class InvalidationAccumulator {
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public:
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InvalidationAccumulator() = default;
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~InvalidationAccumulator() = default;
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void Add(GPUVAddr address, size_t size) {
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const auto reset_values = [&]() {
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if (has_collected) {
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buffer.emplace_back(start_address, accumulated_size);
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}
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start_address = address;
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accumulated_size = size;
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last_collection = start_address + size;
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};
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if (address >= start_address && address + size <= last_collection) [[likely]] {
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return;
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}
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size = (address + size + atomicy_side_mask) & atomicy_mask - address;
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address = address & atomicy_mask;
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if (!has_collected) [[unlikely]] {
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reset_values();
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has_collected = true;
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return;
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}
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if (address != last_collection) [[unlikely]] {
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reset_values();
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return;
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}
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accumulated_size += size;
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last_collection += size;
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}
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void Clear() {
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buffer.clear();
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start_address = 0;
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last_collection = 0;
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has_collected = false;
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}
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bool AnyAccumulated() const {
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return has_collected;
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}
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template <typename Func>
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void Callback(Func&& func) {
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if (!has_collected) {
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return;
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}
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buffer.emplace_back(start_address, accumulated_size);
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for (auto& [address, size] : buffer) {
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func(address, size);
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}
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}
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private:
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static constexpr size_t atomicy_bits = 5;
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static constexpr size_t atomicy_size = 1ULL << atomicy_bits;
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static constexpr size_t atomicy_side_mask = atomicy_size - 1;
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static constexpr size_t atomicy_mask = ~atomicy_side_mask;
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GPUVAddr start_address{};
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GPUVAddr last_collection{};
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size_t accumulated_size{};
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bool has_collected{};
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std::vector<std::pair<VAddr, size_t>> buffer;
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};
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} // namespace VideoCommon
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