mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-26 22:51:12 +00:00
315 lines
No EOL
14 KiB
C++
315 lines
No EOL
14 KiB
C++
/*
|
|
* Copyright (c) Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
#include <stratosphere/sf/sf_common.hpp>
|
|
#include <stratosphere/sf/sf_out.hpp>
|
|
#include <stratosphere/sf/cmif/sf_cmif_pointer_and_size.hpp>
|
|
#include <stratosphere/sf/sf_buffer_tags.hpp>
|
|
|
|
namespace ams::sf {
|
|
|
|
enum class BufferTransferMode {
|
|
MapAlias,
|
|
Pointer,
|
|
AutoSelect,
|
|
};
|
|
|
|
namespace impl {
|
|
|
|
/* Buffer utilities. */
|
|
struct BufferBaseTag{};
|
|
|
|
template<BufferTransferMode TransferMode>
|
|
constexpr inline u32 BufferTransferModeAttributes = [] {
|
|
if constexpr (TransferMode == BufferTransferMode::MapAlias) {
|
|
return SfBufferAttr_HipcMapAlias;
|
|
} else if constexpr (TransferMode == BufferTransferMode::Pointer) {
|
|
return SfBufferAttr_HipcPointer;
|
|
} else if constexpr(TransferMode == BufferTransferMode::AutoSelect) {
|
|
return SfBufferAttr_HipcAutoSelect;
|
|
} else {
|
|
static_assert(TransferMode != TransferMode, "Invalid BufferTransferMode");
|
|
}
|
|
}();
|
|
|
|
}
|
|
|
|
template<typename T>
|
|
constexpr inline bool IsLargeData = std::is_base_of<sf::LargeData, T>::value;
|
|
|
|
template<typename T>
|
|
constexpr inline bool IsLargeData<Out<T>> = IsLargeData<T>;
|
|
|
|
template<typename T>
|
|
constexpr inline size_t LargeDataSize = sizeof(T);
|
|
|
|
template<typename T>
|
|
constexpr inline size_t LargeDataSize<Out<T>> = sizeof(T);
|
|
|
|
template<typename T>
|
|
constexpr inline BufferTransferMode PreferredTransferMode = [] {
|
|
constexpr bool prefers_map_alias = std::is_base_of<PrefersMapAliasTransferMode, T>::value;
|
|
constexpr bool prefers_pointer = std::is_base_of<PrefersPointerTransferMode, T>::value;
|
|
constexpr bool prefers_auto_select = std::is_base_of<PrefersAutoSelectTransferMode, T>::value;
|
|
if constexpr (prefers_map_alias) {
|
|
static_assert(!prefers_pointer && !prefers_auto_select, "Type T must only prefer one transfer mode.");
|
|
return BufferTransferMode::MapAlias;
|
|
} else if constexpr (prefers_pointer) {
|
|
static_assert(!prefers_map_alias && !prefers_auto_select, "Type T must only prefer one transfer mode.");
|
|
return BufferTransferMode::Pointer;
|
|
} else if constexpr (prefers_auto_select) {
|
|
static_assert(!prefers_map_alias && !prefers_pointer, "Type T must only prefer one transfer mode.");
|
|
return BufferTransferMode::AutoSelect;
|
|
} else if constexpr (IsLargeData<T>) {
|
|
return BufferTransferMode::Pointer;
|
|
} else {
|
|
return BufferTransferMode::MapAlias;
|
|
}
|
|
}();
|
|
|
|
template<typename T>
|
|
constexpr inline BufferTransferMode PreferredTransferMode<Out<T>> = PreferredTransferMode<T>;
|
|
|
|
namespace impl {
|
|
|
|
class BufferBase : public BufferBaseTag {
|
|
public:
|
|
static constexpr u32 AdditionalAttributes = 0;
|
|
private:
|
|
const cmif::PointerAndSize m_pas;
|
|
protected:
|
|
constexpr uintptr_t GetAddressImpl() const {
|
|
return m_pas.GetAddress();
|
|
}
|
|
|
|
template<typename Entry>
|
|
constexpr inline size_t GetSizeImpl() const {
|
|
return m_pas.GetSize() / sizeof(Entry);
|
|
}
|
|
public:
|
|
constexpr BufferBase() : m_pas() { /* ... */ }
|
|
constexpr BufferBase(const cmif::PointerAndSize &pas) : m_pas(pas) { /* ... */ }
|
|
constexpr BufferBase(uintptr_t ptr, size_t sz) : m_pas(ptr, sz) { /* ... */ }
|
|
};
|
|
|
|
class InBufferBase : public BufferBase {
|
|
public:
|
|
using BaseType = BufferBase;
|
|
static constexpr u32 AdditionalAttributes = BaseType::AdditionalAttributes |
|
|
SfBufferAttr_In;
|
|
public:
|
|
constexpr InBufferBase() : BaseType() { /* ... */ }
|
|
constexpr InBufferBase(const cmif::PointerAndSize &pas) : BaseType(pas) { /* ... */ }
|
|
constexpr InBufferBase(uintptr_t ptr, size_t sz) : BaseType(ptr, sz) { /* ... */ }
|
|
|
|
InBufferBase(const void *ptr, size_t sz) : BaseType(reinterpret_cast<uintptr_t>(ptr), sz) { /* ... */ }
|
|
InBufferBase(const u8 *ptr, size_t sz) : BaseType(reinterpret_cast<uintptr_t>(ptr), sz) { /* ... */ }
|
|
};
|
|
|
|
class OutBufferBase : public BufferBase {
|
|
public:
|
|
using BaseType = BufferBase;
|
|
static constexpr u32 AdditionalAttributes = BaseType::AdditionalAttributes |
|
|
SfBufferAttr_Out;
|
|
public:
|
|
constexpr OutBufferBase() : BaseType() { /* ... */ }
|
|
constexpr OutBufferBase(const cmif::PointerAndSize &pas) : BaseType(pas) { /* ... */ }
|
|
constexpr OutBufferBase(uintptr_t ptr, size_t sz) : BaseType(ptr, sz) { /* ... */ }
|
|
|
|
OutBufferBase(void *ptr, size_t sz) : BaseType(reinterpret_cast<uintptr_t>(ptr), sz) { /* ... */ }
|
|
OutBufferBase(u8 *ptr, size_t sz) : BaseType(reinterpret_cast<uintptr_t>(ptr), sz) { /* ... */ }
|
|
};
|
|
|
|
template<BufferTransferMode TMode, u32 ExtraAttributes = 0>
|
|
class InBufferImpl : public InBufferBase {
|
|
public:
|
|
using BaseType = InBufferBase;
|
|
static constexpr BufferTransferMode TransferMode = TMode;
|
|
static constexpr u32 AdditionalAttributes = BaseType::AdditionalAttributes |
|
|
ExtraAttributes;
|
|
public:
|
|
constexpr InBufferImpl() : BaseType() { /* ... */ }
|
|
constexpr InBufferImpl(const cmif::PointerAndSize &pas) : BaseType(pas) { /* ... */ }
|
|
constexpr InBufferImpl(uintptr_t ptr, size_t sz) : BaseType(ptr, sz) { /* ... */ }
|
|
|
|
InBufferImpl(const void *ptr, size_t sz) : BaseType(reinterpret_cast<uintptr_t>(ptr), sz) { /* ... */ }
|
|
InBufferImpl(const u8 *ptr, size_t sz) : BaseType(reinterpret_cast<uintptr_t>(ptr), sz) { /* ... */ }
|
|
|
|
constexpr const u8 *GetPointer() const {
|
|
return reinterpret_cast<const u8 *>(this->GetAddressImpl());
|
|
}
|
|
|
|
constexpr size_t GetSize() const {
|
|
return this->GetSizeImpl<u8>();
|
|
}
|
|
};
|
|
|
|
template<BufferTransferMode TMode, u32 ExtraAttributes = 0>
|
|
class OutBufferImpl : public OutBufferBase {
|
|
public:
|
|
using BaseType = OutBufferBase;
|
|
static constexpr BufferTransferMode TransferMode = TMode;
|
|
static constexpr u32 AdditionalAttributes = BaseType::AdditionalAttributes |
|
|
ExtraAttributes;
|
|
public:
|
|
constexpr OutBufferImpl() : BaseType() { /* ... */ }
|
|
constexpr OutBufferImpl(const cmif::PointerAndSize &pas) : BaseType(pas) { /* ... */ }
|
|
constexpr OutBufferImpl(uintptr_t ptr, size_t sz) : BaseType(ptr, sz) { /* ... */ }
|
|
|
|
OutBufferImpl(void *ptr, size_t sz) : BaseType(reinterpret_cast<uintptr_t>(ptr), sz) { /* ... */ }
|
|
OutBufferImpl(u8 *ptr, size_t sz) : BaseType(reinterpret_cast<uintptr_t>(ptr), sz) { /* ... */ }
|
|
|
|
constexpr u8 *GetPointer() const {
|
|
return reinterpret_cast<u8 *>(this->GetAddressImpl());
|
|
}
|
|
|
|
constexpr size_t GetSize() const {
|
|
return this->GetSizeImpl<u8>();
|
|
}
|
|
};
|
|
|
|
template<typename T, BufferTransferMode TMode = PreferredTransferMode<T>>
|
|
struct InArrayImpl : public InBufferBase {
|
|
public:
|
|
using BaseType = InBufferBase;
|
|
static constexpr BufferTransferMode TransferMode = TMode;
|
|
static constexpr u32 AdditionalAttributes = BaseType::AdditionalAttributes;
|
|
public:
|
|
constexpr InArrayImpl() : BaseType() { /* ... */ }
|
|
constexpr InArrayImpl(const cmif::PointerAndSize &pas) : BaseType(pas) { /* ... */ }
|
|
InArrayImpl(const T *ptr, size_t num_elements) : BaseType(reinterpret_cast<uintptr_t>(ptr), num_elements * sizeof(T)) { /* ... */ }
|
|
|
|
constexpr const T *GetPointer() const {
|
|
return reinterpret_cast<const T *>(this->GetAddressImpl());
|
|
}
|
|
|
|
constexpr size_t GetSize() const {
|
|
return this->GetSizeImpl<T>();
|
|
}
|
|
|
|
constexpr const T &operator[](size_t i) const {
|
|
return this->GetPointer()[i];
|
|
}
|
|
|
|
constexpr explicit operator Span<const T>() const {
|
|
return {this->GetPointer(), this->GetSize()};
|
|
}
|
|
|
|
constexpr Span<const T> ToSpan() const {
|
|
return {this->GetPointer(), this->GetSize()};
|
|
}
|
|
};
|
|
|
|
template<typename T, BufferTransferMode TMode = PreferredTransferMode<T>>
|
|
struct OutArrayImpl : public OutBufferBase {
|
|
public:
|
|
using BaseType = OutBufferBase;
|
|
static constexpr BufferTransferMode TransferMode = TMode;
|
|
static constexpr u32 AdditionalAttributes = BaseType::AdditionalAttributes;
|
|
public:
|
|
constexpr OutArrayImpl() : BaseType() { /* ... */ }
|
|
constexpr OutArrayImpl(const cmif::PointerAndSize &pas) : BaseType(pas) { /* ... */ }
|
|
OutArrayImpl(T *ptr, size_t num_elements) : BaseType(reinterpret_cast<uintptr_t>(ptr), num_elements * sizeof(T)) { /* ... */ }
|
|
|
|
constexpr T *GetPointer() const {
|
|
return reinterpret_cast<T *>(this->GetAddressImpl());
|
|
}
|
|
|
|
constexpr size_t GetSize() const {
|
|
return this->GetSizeImpl<T>();
|
|
}
|
|
|
|
constexpr T &operator[](size_t i) const {
|
|
return this->GetPointer()[i];
|
|
}
|
|
|
|
constexpr explicit operator Span<T>() const {
|
|
return {this->GetPointer(), this->GetSize()};
|
|
}
|
|
|
|
constexpr Span<T> ToSpan() const {
|
|
return {this->GetPointer(), this->GetSize()};
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
/* Buffer Types. */
|
|
using InBuffer = typename impl::InBufferImpl<BufferTransferMode::MapAlias>;
|
|
using InMapAliasBuffer = typename impl::InBufferImpl<BufferTransferMode::MapAlias>;
|
|
using InPointerBuffer = typename impl::InBufferImpl<BufferTransferMode::Pointer>;
|
|
using InAutoSelectBuffer = typename impl::InBufferImpl<BufferTransferMode::AutoSelect>;
|
|
using InNonSecureBuffer = typename impl::InBufferImpl<BufferTransferMode::MapAlias, SfBufferAttr_HipcMapTransferAllowsNonSecure>;
|
|
using InNonDeviceBuffer = typename impl::InBufferImpl<BufferTransferMode::MapAlias, SfBufferAttr_HipcMapTransferAllowsNonDevice>;
|
|
|
|
using InNonSecureAutoSelectBuffer = typename impl::InBufferImpl<BufferTransferMode::AutoSelect, SfBufferAttr_HipcMapTransferAllowsNonSecure>;
|
|
|
|
using OutBuffer = typename impl::OutBufferImpl<BufferTransferMode::MapAlias>;
|
|
using OutMapAliasBuffer = typename impl::OutBufferImpl<BufferTransferMode::MapAlias>;
|
|
using OutPointerBuffer = typename impl::OutBufferImpl<BufferTransferMode::Pointer>;
|
|
using OutAutoSelectBuffer = typename impl::OutBufferImpl<BufferTransferMode::AutoSelect>;
|
|
using OutNonSecureBuffer = typename impl::OutBufferImpl<BufferTransferMode::MapAlias, SfBufferAttr_HipcMapTransferAllowsNonSecure>;
|
|
using OutNonDeviceBuffer = typename impl::OutBufferImpl<BufferTransferMode::MapAlias, SfBufferAttr_HipcMapTransferAllowsNonDevice>;
|
|
|
|
using OutNonSecureAutoSelectBuffer = typename impl::OutBufferImpl<BufferTransferMode::AutoSelect, SfBufferAttr_HipcMapTransferAllowsNonSecure>;
|
|
|
|
template<typename T>
|
|
using InArray = typename impl::InArrayImpl<T>;
|
|
template<typename T>
|
|
using InMapAliasArray = typename impl::InArrayImpl<T, BufferTransferMode::MapAlias>;
|
|
template<typename T>
|
|
using InPointerArray = typename impl::InArrayImpl<T, BufferTransferMode::Pointer>;
|
|
template<typename T>
|
|
using InAutoSelectArray = typename impl::InArrayImpl<T, BufferTransferMode::AutoSelect>;
|
|
|
|
template<typename T>
|
|
using OutArray = typename impl::OutArrayImpl<T>;
|
|
template<typename T>
|
|
using OutMapAliasArray = typename impl::OutArrayImpl<T, BufferTransferMode::MapAlias>;
|
|
template<typename T>
|
|
using OutPointerArray = typename impl::OutArrayImpl<T, BufferTransferMode::Pointer>;
|
|
template<typename T>
|
|
using OutAutoSelectArray = typename impl::OutArrayImpl<T, BufferTransferMode::AutoSelect>;
|
|
|
|
/* Attribute serialization structs. */
|
|
template<typename T>
|
|
constexpr inline bool IsBuffer = [] {
|
|
const bool is_buffer = std::is_base_of<impl::BufferBaseTag, T>::value;
|
|
const bool is_large_data = IsLargeData<T>;
|
|
static_assert(!(is_buffer && is_large_data), "Invalid sf::IsBuffer state");
|
|
return is_buffer || is_large_data;
|
|
}();
|
|
|
|
template<typename T>
|
|
constexpr inline u32 BufferAttributes = [] {
|
|
static_assert(IsBuffer<T>, "BufferAttributes requires IsBuffer");
|
|
if constexpr (std::is_base_of<impl::BufferBaseTag, T>::value) {
|
|
return impl::BufferTransferModeAttributes<T::TransferMode> | T::AdditionalAttributes;
|
|
} else if constexpr (IsLargeData<T>) {
|
|
u32 attr = SfBufferAttr_FixedSize | impl::BufferTransferModeAttributes<PreferredTransferMode<T>>;
|
|
if constexpr (std::is_base_of<impl::OutBaseTag, T>::value) {
|
|
attr |= SfBufferAttr_Out;
|
|
} else {
|
|
attr |= SfBufferAttr_In;
|
|
}
|
|
return attr;
|
|
} else {
|
|
static_assert(!std::is_same<T, T>::value, "Invalid BufferAttributes<T>");
|
|
}
|
|
}();
|
|
|
|
} |