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Refactor Memory

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This commit is contained in:
SimoneN64
2024-05-13 20:22:16 +02:00
committed by Simone
parent c3ac6476c8
commit e07f4880e6
16 changed files with 212 additions and 165 deletions
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11
src/utils/File.hpp
View File

@@ -8,6 +8,17 @@ FORCE_INLINE std::vector<u8> ReadFileBinary(const std::string& path) {
return {std::istreambuf_iterator{file}, {}};
}
FORCE_INLINE void WriteFileBinary(const std::vector<u8>& data, const std::string& path) {
std::ofstream file(path, std::ios::binary);
std::copy(data.begin(), data.end(), std::ostreambuf_iterator{file});
}
template <size_t Size>
FORCE_INLINE void WriteFileBinary(const std::array<u8, Size>& data, const std::string& path) {
std::ofstream file(path, std::ios::binary);
std::copy(data.begin(), data.end(), std::ostreambuf_iterator{file});
}
FORCE_INLINE size_t NextPow2(size_t num) {
// Taken from "Bit Twiddling Hacks" by Sean Anderson:
// https://graphics.stanford.edu/~seander/bithacks.html#RoundUpPowerOf2

76
src/utils/MemoryHelpers.hpp
View File

@@ -6,7 +6,7 @@
namespace Util {
template<typename T>
static FORCE_INLINE T ReadAccess(const u8 *data, u32 index) {
static FORCE_INLINE T ReadAccess(const u8* data, u32 index) {
if constexpr (sizeof(T) == 8) {
u32 hi = *reinterpret_cast<const u32*>(&data[index + 0]);
u32 lo = *reinterpret_cast<const u32*>(&data[index + 4]);
@@ -17,6 +17,56 @@ static FORCE_INLINE T ReadAccess(const u8 *data, u32 index) {
}
}
template<typename T>
static FORCE_INLINE T ReadAccess(const std::vector<u8>& data, u32 index) {
if constexpr (sizeof(T) == 8) {
u32 hi = *reinterpret_cast<const u32*>(&data[index + 0]);
u32 lo = *reinterpret_cast<const u32*>(&data[index + 4]);
T result = ((T)hi << 32) | (T)lo;
return result;
} else {
return *reinterpret_cast<const T*>(&data[index]);
}
}
template<typename T, size_t Size>
static FORCE_INLINE T ReadAccess(const std::array<u8, Size>& data, u32 index) {
if constexpr (sizeof(T) == 8) {
u32 hi = *reinterpret_cast<const u32*>(&data[index + 0]);
u32 lo = *reinterpret_cast<const u32*>(&data[index + 4]);
T result = ((T)hi << 32) | (T)lo;
return result;
} else {
return *reinterpret_cast<const T*>(&data[index]);
}
}
template<typename T, size_t Size>
static FORCE_INLINE void WriteAccess(std::array<u8, Size>& data, u32 index, T val) {
if constexpr (sizeof(T) == 8) {
u32 hi = val >> 32;
u32 lo = val;
*reinterpret_cast<u32*>(&data[index + 0]) = hi;
*reinterpret_cast<u32*>(&data[index + 4]) = lo;
} else {
*reinterpret_cast<T*>(&data[index]) = val;
}
}
template<typename T>
static FORCE_INLINE void WriteAccess(std::vector<u8>& data, u32 index, T val) {
if constexpr (sizeof(T) == 8) {
u32 hi = val >> 32;
u32 lo = val;
*reinterpret_cast<u32*>(&data[index + 0]) = hi;
*reinterpret_cast<u32*>(&data[index + 4]) = lo;
} else {
*reinterpret_cast<T*>(&data[index]) = val;
}
}
template<typename T>
static FORCE_INLINE void WriteAccess(u8 *data, u32 index, T val) {
if constexpr (sizeof(T) == 8) {
@@ -30,15 +80,31 @@ static FORCE_INLINE void WriteAccess(u8 *data, u32 index, T val) {
}
}
FORCE_INLINE void SwapBuffer32(size_t size, u8 *data) {
for (size_t i = 0; i < size; i += 4) {
FORCE_INLINE void SwapBuffer32(std::vector<u8> &data) {
for (size_t i = 0; i < data.size(); i += 4) {
u32 original = *(u32 *) &data[i];
*(u32 *) &data[i] = bswap_32(original);
}
}
FORCE_INLINE void SwapBuffer16(size_t size, u8 *data) {
for (size_t i = 0; i < size; i += 2) {
FORCE_INLINE void SwapBuffer16(std::vector<u8> &data) {
for (size_t i = 0; i < data.size(); i += 2) {
u16 original = *(u16 *) &data[i];
*(u16 *) &data[i] = bswap_16(original);
}
}
template <size_t Size>
FORCE_INLINE void SwapBuffer32(std::array<u8, Size> &data) {
for (size_t i = 0; i < Size; i += 4) {
u32 original = *(u32 *) &data[i];
*(u32 *) &data[i] = bswap_32(original);
}
}
template <size_t Size>
FORCE_INLINE void SwapBuffer16(std::array<u8, Size> &data) {
for (size_t i = 0; i < Size; i += 2) {
u16 original = *(u16 *) &data[i];
*(u16 *) &data[i] = bswap_16(original);
}