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64 lines
2.0 KiB
64 lines
2.0 KiB
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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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 <utility>
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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) noexcept {
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auto const end_address = start_address + accumulated_size;
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if (!(address >= start_address && address + size <= end_address)) {
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size = ((address + size + atomicity_size_mask) & atomicity_mask) - address;
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address = address & atomicity_mask;
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if (start_address == 0) {
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start_address = address;
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accumulated_size = size;
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// will now have collected as this point
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} else if (address != end_address) {
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buffer.emplace_back(start_address, accumulated_size);
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start_address = address;
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accumulated_size = size;
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} else {
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accumulated_size += size;
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}
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}
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}
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template <typename F>
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[[nodiscard]] bool InvalidateAll(F&& f) noexcept {
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if (start_address > 0) {
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for (auto [address, size] : buffer)
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f(address, size);
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f(start_address, accumulated_size);
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buffer.clear();
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start_address = 0;
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accumulated_size = 0;
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return true;
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}
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return false;
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}
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private:
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static constexpr size_t atomicity_bits = 5;
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static constexpr size_t atomicity_size = 1ULL << atomicity_bits;
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static constexpr size_t atomicity_size_mask = atomicity_size - 1;
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static constexpr size_t atomicity_mask = ~atomicity_size_mask;
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std::vector<std::pair<VAddr, size_t>> buffer;
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GPUVAddr start_address = 0;
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size_t accumulated_size = 0;
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};
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} // namespace VideoCommon
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