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Diffstat (limited to '')
-rw-r--r-- | src/core/hle/service/nvflinger/parcel.h | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/src/core/hle/service/nvflinger/parcel.h b/src/core/hle/service/nvflinger/parcel.h deleted file mode 100644 index f3fa2587d..000000000 --- a/src/core/hle/service/nvflinger/parcel.h +++ /dev/null @@ -1,172 +0,0 @@ -// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project -// SPDX-License-Identifier: GPL-3.0-or-later - -#pragma once - -#include <memory> -#include <vector> - -#include "common/alignment.h" -#include "common/assert.h" -#include "common/common_types.h" - -namespace Service::android { - -class Parcel final { -public: - static constexpr std::size_t DefaultBufferSize = 0x40; - - Parcel() : buffer(DefaultBufferSize) {} - - template <typename T> - explicit Parcel(const T& out_data) : buffer(DefaultBufferSize) { - Write(out_data); - } - - explicit Parcel(std::vector<u8> in_data) : buffer(std::move(in_data)) { - DeserializeHeader(); - [[maybe_unused]] const std::u16string token = ReadInterfaceToken(); - } - - template <typename T> - void Read(T& val) { - static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); - ASSERT(read_index + sizeof(T) <= buffer.size()); - - std::memcpy(&val, buffer.data() + read_index, sizeof(T)); - read_index += sizeof(T); - read_index = Common::AlignUp(read_index, 4); - } - - template <typename T> - T Read() { - T val; - Read(val); - return val; - } - - template <typename T> - void ReadFlattened(T& val) { - const auto flattened_size = Read<s64>(); - ASSERT(sizeof(T) == flattened_size); - Read(val); - } - - template <typename T> - T ReadFlattened() { - T val; - ReadFlattened(val); - return val; - } - - template <typename T> - T ReadUnaligned() { - static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); - ASSERT(read_index + sizeof(T) <= buffer.size()); - - T val; - std::memcpy(&val, buffer.data() + read_index, sizeof(T)); - read_index += sizeof(T); - return val; - } - - template <typename T> - const std::shared_ptr<T> ReadObject() { - static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); - - const auto is_valid{Read<bool>()}; - - if (is_valid) { - auto result = std::make_shared<T>(); - ReadFlattened(*result); - return result; - } - - return {}; - } - - std::u16string ReadInterfaceToken() { - [[maybe_unused]] const u32 unknown = Read<u32>(); - const u32 length = Read<u32>(); - - std::u16string token; - token.reserve(length + 1); - - for (u32 ch = 0; ch < length + 1; ++ch) { - token.push_back(ReadUnaligned<u16>()); - } - - read_index = Common::AlignUp(read_index, 4); - - return token; - } - - template <typename T> - void Write(const T& val) { - static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); - - if (buffer.size() < write_index + sizeof(T)) { - buffer.resize(buffer.size() + sizeof(T) + DefaultBufferSize); - } - - std::memcpy(buffer.data() + write_index, &val, sizeof(T)); - write_index += sizeof(T); - write_index = Common::AlignUp(write_index, 4); - } - - template <typename T> - void WriteObject(const T* ptr) { - static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable."); - - if (!ptr) { - Write<u32>(0); - return; - } - - Write<u32>(1); - Write<s64>(sizeof(T)); - Write(*ptr); - } - - template <typename T> - void WriteObject(const std::shared_ptr<T> ptr) { - WriteObject(ptr.get()); - } - - void DeserializeHeader() { - ASSERT(buffer.size() > sizeof(Header)); - - Header header{}; - std::memcpy(&header, buffer.data(), sizeof(Header)); - - read_index = header.data_offset; - } - - std::vector<u8> Serialize() const { - ASSERT(read_index == 0); - - Header header{}; - header.data_size = static_cast<u32>(write_index - sizeof(Header)); - header.data_offset = sizeof(Header); - header.objects_size = 4; - header.objects_offset = static_cast<u32>(sizeof(Header) + header.data_size); - std::memcpy(buffer.data(), &header, sizeof(Header)); - - return buffer; - } - -private: - struct Header { - u32 data_size; - u32 data_offset; - u32 objects_size; - u32 objects_offset; - }; - static_assert(sizeof(Header) == 16, "ParcelHeader has wrong size"); - - mutable std::vector<u8> buffer; - std::size_t read_index = 0; - std::size_t write_index = sizeof(Header); -}; - -} // namespace Service::android |