yuzu/src/core/hle/service/vi/vi.cpp

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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
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#include <algorithm>
#include <array>
#include <cstring>
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#include <memory>
#include <optional>
#include <type_traits>
#include <utility>
#include "common/alignment.h"
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/logging/log.h"
#include "common/math_util.h"
#include "common/swap.h"
#include "core/core_timing.h"
#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/event.h"
#include "core/hle/service/nvdrv/nvdrv.h"
#include "core/hle/service/nvflinger/buffer_queue.h"
#include "core/hle/service/nvflinger/nvflinger.h"
#include "core/hle/service/vi/vi.h"
#include "core/hle/service/vi/vi_m.h"
#include "core/hle/service/vi/vi_s.h"
#include "core/hle/service/vi/vi_u.h"
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#include "core/settings.h"
namespace Service::VI {
struct DisplayInfo {
char display_name[0x40]{"Default"};
u64 unknown_1{1};
u64 unknown_2{1};
u64 width{1280};
u64 height{720};
};
static_assert(sizeof(DisplayInfo) == 0x60, "DisplayInfo has wrong size");
class Parcel {
public:
// This default size was chosen arbitrarily.
static constexpr std::size_t DefaultBufferSize = 0x40;
Parcel() : buffer(DefaultBufferSize) {}
explicit Parcel(std::vector<u8> data) : buffer(std::move(data)) {}
virtual ~Parcel() = default;
template <typename T>
T Read() {
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);
read_index = Common::AlignUp(read_index, 4);
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;
}
std::vector<u8> ReadBlock(std::size_t length) {
ASSERT(read_index + length <= buffer.size());
const u8* const begin = buffer.data() + read_index;
const u8* const end = begin + length;
std::vector<u8> data(begin, end);
read_index += length;
read_index = Common::AlignUp(read_index, 4);
return data;
}
std::u16string ReadInterfaceToken() {
u32 unknown = Read<u32_le>();
u32 length = Read<u32_le>();
std::u16string token{};
for (u32 ch = 0; ch < length + 1; ++ch) {
token.push_back(ReadUnaligned<u16_le>());
}
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& val) {
static_assert(std::is_trivially_copyable_v<T>, "T must be trivially copyable.");
const u32_le size = static_cast<u32>(sizeof(val));
Write(size);
// TODO(Subv): Support file descriptors.
Write<u32_le>(0); // Fd count.
Write(val);
}
void Deserialize() {
ASSERT(buffer.size() > sizeof(Header));
Header header{};
std::memcpy(&header, buffer.data(), sizeof(Header));
read_index = header.data_offset;
DeserializeData();
}
std::vector<u8> Serialize() {
ASSERT(read_index == 0);
write_index = sizeof(Header);
SerializeData();
Header header{};
header.data_size = static_cast<u32_le>(write_index - sizeof(Header));
header.data_offset = sizeof(Header);
header.objects_size = 4;
header.objects_offset = sizeof(Header) + header.data_size;
std::memcpy(buffer.data(), &header, sizeof(Header));
return buffer;
}
protected:
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virtual void SerializeData() {}
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virtual void DeserializeData() {}
private:
struct Header {
u32_le data_size;
u32_le data_offset;
u32_le objects_size;
u32_le objects_offset;
};
static_assert(sizeof(Header) == 16, "ParcelHeader has wrong size");
std::vector<u8> buffer;
std::size_t read_index = 0;
std::size_t write_index = 0;
};
class NativeWindow : public Parcel {
public:
explicit NativeWindow(u32 id) {
data.id = id;
}
~NativeWindow() override = default;
protected:
void SerializeData() override {
Write(data);
}
private:
struct Data {
u32_le magic = 2;
u32_le process_id = 1;
u32_le id;
INSERT_PADDING_WORDS(3);
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std::array<u8, 8> dispdrv = {'d', 'i', 's', 'p', 'd', 'r', 'v', '\0'};
INSERT_PADDING_WORDS(2);
};
static_assert(sizeof(Data) == 0x28, "ParcelData has wrong size");
Data data{};
};
class IGBPConnectRequestParcel : public Parcel {
public:
explicit IGBPConnectRequestParcel(std::vector<u8> buffer) : Parcel(std::move(buffer)) {
Deserialize();
}
~IGBPConnectRequestParcel() override = default;
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void DeserializeData() override {
std::u16string token = ReadInterfaceToken();
data = Read<Data>();
}
struct Data {
u32_le unk;
u32_le api;
u32_le producer_controlled_by_app;
};
Data data;
};
class IGBPConnectResponseParcel : public Parcel {
public:
explicit IGBPConnectResponseParcel(u32 width, u32 height) {
data.width = width;
data.height = height;
}
~IGBPConnectResponseParcel() override = default;
protected:
void SerializeData() override {
Write(data);
}
private:
struct Data {
u32_le width;
u32_le height;
u32_le transform_hint;
u32_le num_pending_buffers;
u32_le status;
};
static_assert(sizeof(Data) == 20, "ParcelData has wrong size");
Data data{};
};
/// Represents a parcel containing one int '0' as its data
/// Used by DetachBuffer and Disconnect
class IGBPEmptyResponseParcel : public Parcel {
protected:
void SerializeData() override {
Write(data);
}
private:
struct Data {
u32_le unk_0;
};
Data data{};
};
class IGBPSetPreallocatedBufferRequestParcel : public Parcel {
public:
explicit IGBPSetPreallocatedBufferRequestParcel(std::vector<u8> buffer)
: Parcel(std::move(buffer)) {
Deserialize();
}
~IGBPSetPreallocatedBufferRequestParcel() override = default;
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void DeserializeData() override {
std::u16string token = ReadInterfaceToken();
data = Read<Data>();
buffer = Read<NVFlinger::IGBPBuffer>();
}
struct Data {
u32_le slot;
INSERT_PADDING_WORDS(1);
u32_le graphic_buffer_length;
INSERT_PADDING_WORDS(1);
};
Data data;
NVFlinger::IGBPBuffer buffer;
};
class IGBPSetPreallocatedBufferResponseParcel : public Parcel {
protected:
void SerializeData() override {
// TODO(Subv): Find out what this means
Write<u32>(0);
}
};
class IGBPDequeueBufferRequestParcel : public Parcel {
public:
explicit IGBPDequeueBufferRequestParcel(std::vector<u8> buffer) : Parcel(std::move(buffer)) {
Deserialize();
}
~IGBPDequeueBufferRequestParcel() override = default;
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void DeserializeData() override {
std::u16string token = ReadInterfaceToken();
data = Read<Data>();
}
struct Data {
u32_le pixel_format;
u32_le width;
u32_le height;
u32_le get_frame_timestamps;
u32_le usage;
};
Data data;
};
struct BufferProducerFence {
u32 is_valid;
std::array<Nvidia::IoctlFence, 4> fences;
};
static_assert(sizeof(BufferProducerFence) == 36, "BufferProducerFence has wrong size");
class IGBPDequeueBufferResponseParcel : public Parcel {
public:
explicit IGBPDequeueBufferResponseParcel(u32 slot) : slot(slot) {}
~IGBPDequeueBufferResponseParcel() override = default;
protected:
void SerializeData() override {
// TODO(Subv): Find out how this Fence is used.
BufferProducerFence fence = {};
fence.is_valid = 1;
for (auto& fence_ : fence.fences)
fence_.id = -1;
Write(slot);
Write<u32_le>(1);
WriteObject(fence);
Write<u32_le>(0);
}
u32_le slot;
};
class IGBPRequestBufferRequestParcel : public Parcel {
public:
explicit IGBPRequestBufferRequestParcel(std::vector<u8> buffer) : Parcel(std::move(buffer)) {
Deserialize();
}
~IGBPRequestBufferRequestParcel() override = default;
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void DeserializeData() override {
std::u16string token = ReadInterfaceToken();
slot = Read<u32_le>();
}
u32_le slot;
};
class IGBPRequestBufferResponseParcel : public Parcel {
public:
explicit IGBPRequestBufferResponseParcel(NVFlinger::IGBPBuffer buffer) : buffer(buffer) {}
~IGBPRequestBufferResponseParcel() override = default;
protected:
void SerializeData() override {
// TODO(Subv): Figure out what this value means, writing non-zero here will make libnx
// try to read an IGBPBuffer object from the parcel.
Write<u32_le>(1);
WriteObject(buffer);
Write<u32_le>(0);
}
NVFlinger::IGBPBuffer buffer;
};
class IGBPQueueBufferRequestParcel : public Parcel {
public:
explicit IGBPQueueBufferRequestParcel(std::vector<u8> buffer) : Parcel(std::move(buffer)) {
Deserialize();
}
~IGBPQueueBufferRequestParcel() override = default;
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void DeserializeData() override {
std::u16string token = ReadInterfaceToken();
data = Read<Data>();
}
struct Fence {
u32_le id;
u32_le value;
};
static_assert(sizeof(Fence) == 8, "Fence has wrong size");
struct Data {
u32_le slot;
INSERT_PADDING_WORDS(3);
u32_le timestamp;
s32_le is_auto_timestamp;
s32_le crop_top;
s32_le crop_left;
s32_le crop_right;
s32_le crop_bottom;
s32_le scaling_mode;
NVFlinger::BufferQueue::BufferTransformFlags transform;
u32_le sticky_transform;
INSERT_PADDING_WORDS(2);
u32_le fence_is_valid;
std::array<Fence, 2> fences;
MathUtil::Rectangle<int> GetCropRect() const {
return {crop_left, crop_top, crop_right, crop_bottom};
}
};
static_assert(sizeof(Data) == 80, "ParcelData has wrong size");
Data data;
};
class IGBPQueueBufferResponseParcel : public Parcel {
public:
explicit IGBPQueueBufferResponseParcel(u32 width, u32 height) {
data.width = width;
data.height = height;
}
~IGBPQueueBufferResponseParcel() override = default;
protected:
void SerializeData() override {
Write(data);
}
private:
struct Data {
u32_le width;
u32_le height;
u32_le transform_hint;
u32_le num_pending_buffers;
u32_le status;
};
static_assert(sizeof(Data) == 20, "ParcelData has wrong size");
Data data{};
};
class IGBPQueryRequestParcel : public Parcel {
public:
explicit IGBPQueryRequestParcel(std::vector<u8> buffer) : Parcel(std::move(buffer)) {
Deserialize();
}
~IGBPQueryRequestParcel() override = default;
void DeserializeData() override {
std::u16string token = ReadInterfaceToken();
type = Read<u32_le>();
}
u32 type;
};
class IGBPQueryResponseParcel : public Parcel {
public:
explicit IGBPQueryResponseParcel(u32 value) : value(value) {}
~IGBPQueryResponseParcel() override = default;
protected:
void SerializeData() override {
Write(value);
}
private:
u32_le value;
};
class IHOSBinderDriver final : public ServiceFramework<IHOSBinderDriver> {
public:
explicit IHOSBinderDriver(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
: ServiceFramework("IHOSBinderDriver"), nv_flinger(std::move(nv_flinger)) {
static const FunctionInfo functions[] = {
{0, &IHOSBinderDriver::TransactParcel, "TransactParcel"},
{1, &IHOSBinderDriver::AdjustRefcount, "AdjustRefcount"},
{2, &IHOSBinderDriver::GetNativeHandle, "GetNativeHandle"},
{3, &IHOSBinderDriver::TransactParcel, "TransactParcelAuto"},
};
RegisterHandlers(functions);
}
~IHOSBinderDriver() = default;
private:
enum class TransactionId {
RequestBuffer = 1,
SetBufferCount = 2,
DequeueBuffer = 3,
DetachBuffer = 4,
DetachNextBuffer = 5,
AttachBuffer = 6,
QueueBuffer = 7,
CancelBuffer = 8,
Query = 9,
Connect = 10,
Disconnect = 11,
AllocateBuffers = 13,
SetPreallocatedBuffer = 14
};
void TransactParcel(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u32 id = rp.Pop<u32>();
auto transaction = static_cast<TransactionId>(rp.Pop<u32>());
u32 flags = rp.Pop<u32>();
auto buffer_queue = nv_flinger->GetBufferQueue(id);
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LOG_DEBUG(Service_VI, "called, transaction={:X}", static_cast<u32>(transaction));
if (transaction == TransactionId::Connect) {
IGBPConnectRequestParcel request{ctx.ReadBuffer()};
IGBPConnectResponseParcel response{
static_cast<u32>(static_cast<u32>(DisplayResolution::UndockedWidth) *
Settings::values.resolution_factor),
static_cast<u32>(static_cast<u32>(DisplayResolution::UndockedHeight) *
Settings::values.resolution_factor)};
ctx.WriteBuffer(response.Serialize());
} else if (transaction == TransactionId::SetPreallocatedBuffer) {
IGBPSetPreallocatedBufferRequestParcel request{ctx.ReadBuffer()};
buffer_queue->SetPreallocatedBuffer(request.data.slot, request.buffer);
IGBPSetPreallocatedBufferResponseParcel response{};
ctx.WriteBuffer(response.Serialize());
} else if (transaction == TransactionId::DequeueBuffer) {
IGBPDequeueBufferRequestParcel request{ctx.ReadBuffer()};
const u32 width{request.data.width};
const u32 height{request.data.height};
std::optional<u32> slot = buffer_queue->DequeueBuffer(width, height);
if (slot) {
// Buffer is available
IGBPDequeueBufferResponseParcel response{*slot};
ctx.WriteBuffer(response.Serialize());
} else {
// Wait the current thread until a buffer becomes available
ctx.SleepClientThread(
Kernel::GetCurrentThread(), "IHOSBinderDriver::DequeueBuffer", -1,
[=](Kernel::SharedPtr<Kernel::Thread> thread, Kernel::HLERequestContext& ctx,
Kernel::ThreadWakeupReason reason) {
// Repeat TransactParcel DequeueBuffer when a buffer is available
auto buffer_queue = nv_flinger->GetBufferQueue(id);
std::optional<u32> slot = buffer_queue->DequeueBuffer(width, height);
IGBPDequeueBufferResponseParcel response{*slot};
ctx.WriteBuffer(response.Serialize());
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
},
buffer_queue->GetBufferWaitEvent());
}
} else if (transaction == TransactionId::RequestBuffer) {
IGBPRequestBufferRequestParcel request{ctx.ReadBuffer()};
auto& buffer = buffer_queue->RequestBuffer(request.slot);
IGBPRequestBufferResponseParcel response{buffer};
ctx.WriteBuffer(response.Serialize());
} else if (transaction == TransactionId::QueueBuffer) {
IGBPQueueBufferRequestParcel request{ctx.ReadBuffer()};
buffer_queue->QueueBuffer(request.data.slot, request.data.transform,
request.data.GetCropRect());
IGBPQueueBufferResponseParcel response{1280, 720};
ctx.WriteBuffer(response.Serialize());
} else if (transaction == TransactionId::Query) {
IGBPQueryRequestParcel request{ctx.ReadBuffer()};
u32 value =
buffer_queue->Query(static_cast<NVFlinger::BufferQueue::QueryType>(request.type));
IGBPQueryResponseParcel response{value};
ctx.WriteBuffer(response.Serialize());
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} else if (transaction == TransactionId::CancelBuffer) {
LOG_CRITICAL(Service_VI, "(STUBBED) called, transaction=CancelBuffer");
} else if (transaction == TransactionId::Disconnect ||
transaction == TransactionId::DetachBuffer) {
const auto buffer = ctx.ReadBuffer();
IGBPEmptyResponseParcel response{};
ctx.WriteBuffer(response.Serialize());
} else {
ASSERT_MSG(false, "Unimplemented");
}
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IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void AdjustRefcount(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u32 id = rp.Pop<u32>();
s32 addval = rp.PopRaw<s32>();
u32 type = rp.Pop<u32>();
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LOG_WARNING(Service_VI, "(STUBBED) called id={}, addval={:08X}, type={:08X}", id, addval,
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type);
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void GetNativeHandle(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u32 id = rp.Pop<u32>();
u32 unknown = rp.Pop<u32>();
auto buffer_queue = nv_flinger->GetBufferQueue(id);
// TODO(Subv): Find out what this actually is.
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LOG_WARNING(Service_VI, "(STUBBED) called id={}, unknown={:08X}", id, unknown);
IPC::ResponseBuilder rb{ctx, 2, 1};
rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(buffer_queue->GetBufferWaitEvent());
}
std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
}; // namespace VI
class ISystemDisplayService final : public ServiceFramework<ISystemDisplayService> {
public:
explicit ISystemDisplayService() : ServiceFramework("ISystemDisplayService") {
static const FunctionInfo functions[] = {
{1200, nullptr, "GetZOrderCountMin"},
{1202, nullptr, "GetZOrderCountMax"},
{1203, nullptr, "GetDisplayLogicalResolution"},
{1204, nullptr, "SetDisplayMagnification"},
{2201, nullptr, "SetLayerPosition"},
{2203, nullptr, "SetLayerSize"},
{2204, nullptr, "GetLayerZ"},
{2205, &ISystemDisplayService::SetLayerZ, "SetLayerZ"},
{2207, &ISystemDisplayService::SetLayerVisibility, "SetLayerVisibility"},
{2209, nullptr, "SetLayerAlpha"},
{2312, nullptr, "CreateStrayLayer"},
{2400, nullptr, "OpenIndirectLayer"},
{2401, nullptr, "CloseIndirectLayer"},
{2402, nullptr, "FlipIndirectLayer"},
{3000, nullptr, "ListDisplayModes"},
{3001, nullptr, "ListDisplayRgbRanges"},
{3002, nullptr, "ListDisplayContentTypes"},
{3200, &ISystemDisplayService::GetDisplayMode, "GetDisplayMode"},
{3201, nullptr, "SetDisplayMode"},
{3202, nullptr, "GetDisplayUnderscan"},
{3203, nullptr, "SetDisplayUnderscan"},
{3204, nullptr, "GetDisplayContentType"},
{3205, nullptr, "SetDisplayContentType"},
{3206, nullptr, "GetDisplayRgbRange"},
{3207, nullptr, "SetDisplayRgbRange"},
{3208, nullptr, "GetDisplayCmuMode"},
{3209, nullptr, "SetDisplayCmuMode"},
{3210, nullptr, "GetDisplayContrastRatio"},
{3211, nullptr, "SetDisplayContrastRatio"},
{3214, nullptr, "GetDisplayGamma"},
{3215, nullptr, "SetDisplayGamma"},
{3216, nullptr, "GetDisplayCmuLuma"},
{3217, nullptr, "SetDisplayCmuLuma"},
{8225, nullptr, "GetSharedBufferMemoryHandleId"},
{8250, nullptr, "OpenSharedLayer"},
{8251, nullptr, "CloseSharedLayer"},
{8252, nullptr, "ConnectSharedLayer"},
{8253, nullptr, "DisconnectSharedLayer"},
{8254, nullptr, "AcquireSharedFrameBuffer"},
{8255, nullptr, "PresentSharedFrameBuffer"},
{8256, nullptr, "GetSharedFrameBufferAcquirableEvent"},
{8257, nullptr, "FillSharedFrameBufferColor"},
{8258, nullptr, "CancelSharedFrameBuffer"},
};
RegisterHandlers(functions);
}
~ISystemDisplayService() = default;
private:
void SetLayerZ(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::RequestParser rp{ctx};
u64 layer_id = rp.Pop<u64>();
u64 z_value = rp.Pop<u64>();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void SetLayerVisibility(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u64 layer_id = rp.Pop<u64>();
bool visibility = rp.Pop<bool>();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
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LOG_WARNING(Service_VI, "(STUBBED) called, layer_id=0x{:08X}, visibility={}", layer_id,
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visibility);
}
void GetDisplayMode(Kernel::HLERequestContext& ctx) {
IPC::ResponseBuilder rb{ctx, 6};
rb.Push(RESULT_SUCCESS);
if (Settings::values.use_docked_mode) {
rb.Push(static_cast<u32>(Service::VI::DisplayResolution::DockedWidth) *
static_cast<u32>(Settings::values.resolution_factor));
rb.Push(static_cast<u32>(Service::VI::DisplayResolution::DockedHeight) *
static_cast<u32>(Settings::values.resolution_factor));
} else {
rb.Push(static_cast<u32>(Service::VI::DisplayResolution::UndockedWidth) *
static_cast<u32>(Settings::values.resolution_factor));
rb.Push(static_cast<u32>(Service::VI::DisplayResolution::UndockedHeight) *
static_cast<u32>(Settings::values.resolution_factor));
}
rb.PushRaw<float>(60.0f);
rb.Push<u32>(0);
LOG_DEBUG(Service_VI, "called");
}
};
class IManagerDisplayService final : public ServiceFramework<IManagerDisplayService> {
public:
explicit IManagerDisplayService(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
: ServiceFramework("IManagerDisplayService"), nv_flinger(std::move(nv_flinger)) {
static const FunctionInfo functions[] = {
{200, nullptr, "AllocateProcessHeapBlock"},
{201, nullptr, "FreeProcessHeapBlock"},
{1020, &IManagerDisplayService::CloseDisplay, "CloseDisplay"},
{1102, nullptr, "GetDisplayResolution"},
{2010, &IManagerDisplayService::CreateManagedLayer, "CreateManagedLayer"},
{2011, nullptr, "DestroyManagedLayer"},
{2050, nullptr, "CreateIndirectLayer"},
{2051, nullptr, "DestroyIndirectLayer"},
{2052, nullptr, "CreateIndirectProducerEndPoint"},
{2053, nullptr, "DestroyIndirectProducerEndPoint"},
{2054, nullptr, "CreateIndirectConsumerEndPoint"},
{2055, nullptr, "DestroyIndirectConsumerEndPoint"},
{2300, nullptr, "AcquireLayerTexturePresentingEvent"},
{2301, nullptr, "ReleaseLayerTexturePresentingEvent"},
{2302, nullptr, "GetDisplayHotplugEvent"},
{2402, nullptr, "GetDisplayHotplugState"},
{2501, nullptr, "GetCompositorErrorInfo"},
{2601, nullptr, "GetDisplayErrorEvent"},
{4201, nullptr, "SetDisplayAlpha"},
{4203, nullptr, "SetDisplayLayerStack"},
{4205, nullptr, "SetDisplayPowerState"},
{4206, nullptr, "SetDefaultDisplay"},
{6000, &IManagerDisplayService::AddToLayerStack, "AddToLayerStack"},
{6001, nullptr, "RemoveFromLayerStack"},
{6002, &IManagerDisplayService::SetLayerVisibility, "SetLayerVisibility"},
{6003, nullptr, "SetLayerConfig"},
{6004, nullptr, "AttachLayerPresentationTracer"},
{6005, nullptr, "DetachLayerPresentationTracer"},
{6006, nullptr, "StartLayerPresentationRecording"},
{6007, nullptr, "StopLayerPresentationRecording"},
{6008, nullptr, "StartLayerPresentationFenceWait"},
{6009, nullptr, "StopLayerPresentationFenceWait"},
{6010, nullptr, "GetLayerPresentationAllFencesExpiredEvent"},
{7000, nullptr, "SetContentVisibility"},
{8000, nullptr, "SetConductorLayer"},
{8100, nullptr, "SetIndirectProducerFlipOffset"},
{8200, nullptr, "CreateSharedBufferStaticStorage"},
{8201, nullptr, "CreateSharedBufferTransferMemory"},
{8202, nullptr, "DestroySharedBuffer"},
{8203, nullptr, "BindSharedLowLevelLayerToManagedLayer"},
{8204, nullptr, "BindSharedLowLevelLayerToIndirectLayer"},
{8207, nullptr, "UnbindSharedLowLevelLayer"},
{8208, nullptr, "ConnectSharedLowLevelLayerToSharedBuffer"},
{8209, nullptr, "DisconnectSharedLowLevelLayerFromSharedBuffer"},
{8210, nullptr, "CreateSharedLayer"},
{8211, nullptr, "DestroySharedLayer"},
{8216, nullptr, "AttachSharedLayerToLowLevelLayer"},
{8217, nullptr, "ForceDetachSharedLayerFromLowLevelLayer"},
{8218, nullptr, "StartDetachSharedLayerFromLowLevelLayer"},
{8219, nullptr, "FinishDetachSharedLayerFromLowLevelLayer"},
{8220, nullptr, "GetSharedLayerDetachReadyEvent"},
{8221, nullptr, "GetSharedLowLevelLayerSynchronizedEvent"},
{8222, nullptr, "CheckSharedLowLevelLayerSynchronized"},
{8223, nullptr, "RegisterSharedBufferImporterAruid"},
{8224, nullptr, "UnregisterSharedBufferImporterAruid"},
{8227, nullptr, "CreateSharedBufferProcessHeap"},
{8228, nullptr, "GetSharedLayerLayerStacks"},
{8229, nullptr, "SetSharedLayerLayerStacks"},
{8291, nullptr, "PresentDetachedSharedFrameBufferToLowLevelLayer"},
{8292, nullptr, "FillDetachedSharedFrameBufferColor"},
{8293, nullptr, "GetDetachedSharedFrameBufferImage"},
{8294, nullptr, "SetDetachedSharedFrameBufferImage"},
{8295, nullptr, "CopyDetachedSharedFrameBufferImage"},
{8296, nullptr, "SetDetachedSharedFrameBufferSubImage"},
{8297, nullptr, "GetSharedFrameBufferContentParameter"},
{8298, nullptr, "ExpandStartupLogoOnSharedFrameBuffer"},
};
RegisterHandlers(functions);
}
~IManagerDisplayService() = default;
private:
void CloseDisplay(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::RequestParser rp{ctx};
u64 display = rp.Pop<u64>();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void CreateManagedLayer(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::RequestParser rp{ctx};
u32 unknown = rp.Pop<u32>();
rp.Skip(1, false);
u64 display = rp.Pop<u64>();
u64 aruid = rp.Pop<u64>();
u64 layer_id = nv_flinger->CreateLayer(display);
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
rb.Push(layer_id);
}
void AddToLayerStack(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
IPC::RequestParser rp{ctx};
u32 stack = rp.Pop<u32>();
u64 layer_id = rp.Pop<u64>();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
}
void SetLayerVisibility(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
u64 layer_id = rp.Pop<u64>();
bool visibility = rp.Pop<bool>();
IPC::ResponseBuilder rb{ctx, 2};
rb.Push(RESULT_SUCCESS);
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LOG_WARNING(Service_VI, "(STUBBED) called, layer_id=0x{:X}, visibility={}", layer_id,
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visibility);
}
std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
};
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class IApplicationDisplayService final : public ServiceFramework<IApplicationDisplayService> {
public:
explicit IApplicationDisplayService(std::shared_ptr<NVFlinger::NVFlinger> nv_flinger);
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~IApplicationDisplayService() = default;
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private:
void GetRelayService(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IHOSBinderDriver>(nv_flinger);
}
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void GetSystemDisplayService(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<ISystemDisplayService>();
}
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void GetManagerDisplayService(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IManagerDisplayService>(nv_flinger);
}
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void GetIndirectDisplayTransactionService(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IHOSBinderDriver>(nv_flinger);
}
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void OpenDisplay(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::RequestParser rp{ctx};
auto name_buf = rp.PopRaw<std::array<u8, 0x40>>();
auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
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std::string name(name_buf.begin(), end);
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ASSERT_MSG(name == "Default", "Non-default displays aren't supported yet");
IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
rb.Push<u64>(nv_flinger->OpenDisplay(name));
}
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void CloseDisplay(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::RequestParser rp{ctx};
u64 display_id = rp.Pop<u64>();
IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
}
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void GetDisplayResolution(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::RequestParser rp{ctx};
u64 display_id = rp.Pop<u64>();
IPC::ResponseBuilder rb{ctx, 6};
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rb.Push(RESULT_SUCCESS);
if (Settings::values.use_docked_mode) {
rb.Push(static_cast<u64>(DisplayResolution::DockedWidth) *
static_cast<u32>(Settings::values.resolution_factor));
rb.Push(static_cast<u64>(DisplayResolution::DockedHeight) *
static_cast<u32>(Settings::values.resolution_factor));
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} else {
rb.Push(static_cast<u64>(DisplayResolution::UndockedWidth) *
static_cast<u32>(Settings::values.resolution_factor));
rb.Push(static_cast<u64>(DisplayResolution::UndockedHeight) *
static_cast<u32>(Settings::values.resolution_factor));
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}
}
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void SetLayerScalingMode(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::RequestParser rp{ctx};
u32 scaling_mode = rp.Pop<u32>();
u64 unknown = rp.Pop<u64>();
IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
}
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void ListDisplays(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
DisplayInfo display_info;
display_info.width *= static_cast<u64>(Settings::values.resolution_factor);
display_info.height *= static_cast<u64>(Settings::values.resolution_factor);
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ctx.WriteBuffer(&display_info, sizeof(DisplayInfo));
IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
rb.Push<u64>(1);
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LOG_WARNING(Service_VI, "(STUBBED) called");
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}
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void OpenLayer(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_VI, "called");
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IPC::RequestParser rp{ctx};
auto name_buf = rp.PopRaw<std::array<u8, 0x40>>();
auto end = std::find(name_buf.begin(), name_buf.end(), '\0');
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std::string display_name(name_buf.begin(), end);
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u64 layer_id = rp.Pop<u64>();
u64 aruid = rp.Pop<u64>();
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u64 display_id = nv_flinger->OpenDisplay(display_name);
u32 buffer_queue_id = nv_flinger->GetBufferQueueId(display_id, layer_id);
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NativeWindow native_window{buffer_queue_id};
IPC::ResponseBuilder rb{ctx, 4};
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rb.Push(RESULT_SUCCESS);
rb.Push<u64>(ctx.WriteBuffer(native_window.Serialize()));
}
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void CreateStrayLayer(Kernel::HLERequestContext& ctx) {
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LOG_DEBUG(Service_VI, "called");
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IPC::RequestParser rp{ctx};
u32 flags = rp.Pop<u32>();
rp.Pop<u32>(); // padding
u64 display_id = rp.Pop<u64>();
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// TODO(Subv): What's the difference between a Stray and a Managed layer?
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u64 layer_id = nv_flinger->CreateLayer(display_id);
u32 buffer_queue_id = nv_flinger->GetBufferQueueId(display_id, layer_id);
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NativeWindow native_window{buffer_queue_id};
IPC::ResponseBuilder rb{ctx, 6};
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rb.Push(RESULT_SUCCESS);
rb.Push(layer_id);
rb.Push<u64>(ctx.WriteBuffer(native_window.Serialize()));
}
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void DestroyStrayLayer(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::RequestParser rp{ctx};
u64 layer_id = rp.Pop<u64>();
IPC::ResponseBuilder rb{ctx, 2};
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rb.Push(RESULT_SUCCESS);
}
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void GetDisplayVsyncEvent(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::RequestParser rp{ctx};
u64 display_id = rp.Pop<u64>();
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auto vsync_event = nv_flinger->GetVsyncEvent(display_id);
IPC::ResponseBuilder rb{ctx, 2, 1};
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rb.Push(RESULT_SUCCESS);
rb.PushCopyObjects(vsync_event);
}
enum class ConvertedScaleMode : u64 {
None = 0, // VI seems to name this as "Unknown" but lots of games pass it, assume it's no
// scaling/default
Freeze = 1,
ScaleToWindow = 2,
Crop = 3,
NoCrop = 4,
};
// This struct is different, currently it's 1:1 but this might change in the future.
enum class NintendoScaleMode : u32 {
None = 0,
Freeze = 1,
ScaleToWindow = 2,
Crop = 3,
NoCrop = 4,
};
void ConvertScalingMode(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
auto mode = rp.PopEnum<NintendoScaleMode>();
LOG_DEBUG(Service_VI, "called mode={}", static_cast<u32>(mode));
IPC::ResponseBuilder rb{ctx, 4};
rb.Push(RESULT_SUCCESS);
switch (mode) {
case NintendoScaleMode::None:
rb.PushEnum(ConvertedScaleMode::None);
break;
case NintendoScaleMode::Freeze:
rb.PushEnum(ConvertedScaleMode::Freeze);
break;
case NintendoScaleMode::ScaleToWindow:
rb.PushEnum(ConvertedScaleMode::ScaleToWindow);
break;
case NintendoScaleMode::Crop:
rb.PushEnum(ConvertedScaleMode::Crop);
break;
case NintendoScaleMode::NoCrop:
rb.PushEnum(ConvertedScaleMode::NoCrop);
break;
default:
UNIMPLEMENTED_MSG("Unknown scaling mode {}", static_cast<u32>(mode));
rb.PushEnum(ConvertedScaleMode::None);
break;
}
}
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std::shared_ptr<NVFlinger::NVFlinger> nv_flinger;
};
IApplicationDisplayService::IApplicationDisplayService(
std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
: ServiceFramework("IApplicationDisplayService"), nv_flinger(std::move(nv_flinger)) {
static const FunctionInfo functions[] = {
{100, &IApplicationDisplayService::GetRelayService, "GetRelayService"},
{101, &IApplicationDisplayService::GetSystemDisplayService, "GetSystemDisplayService"},
{102, &IApplicationDisplayService::GetManagerDisplayService, "GetManagerDisplayService"},
{103, &IApplicationDisplayService::GetIndirectDisplayTransactionService,
"GetIndirectDisplayTransactionService"},
{1000, &IApplicationDisplayService::ListDisplays, "ListDisplays"},
{1010, &IApplicationDisplayService::OpenDisplay, "OpenDisplay"},
{1011, nullptr, "OpenDefaultDisplay"},
{1020, &IApplicationDisplayService::CloseDisplay, "CloseDisplay"},
{1101, nullptr, "SetDisplayEnabled"},
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{1102, &IApplicationDisplayService::GetDisplayResolution, "GetDisplayResolution"},
{2020, &IApplicationDisplayService::OpenLayer, "OpenLayer"},
{2021, nullptr, "CloseLayer"},
{2030, &IApplicationDisplayService::CreateStrayLayer, "CreateStrayLayer"},
{2031, &IApplicationDisplayService::DestroyStrayLayer, "DestroyStrayLayer"},
{2101, &IApplicationDisplayService::SetLayerScalingMode, "SetLayerScalingMode"},
{2102, &IApplicationDisplayService::ConvertScalingMode, "ConvertScalingMode"},
{2450, nullptr, "GetIndirectLayerImageMap"},
{2451, nullptr, "GetIndirectLayerImageCropMap"},
{2460, nullptr, "GetIndirectLayerImageRequiredMemoryInfo"},
{5202, &IApplicationDisplayService::GetDisplayVsyncEvent, "GetDisplayVsyncEvent"},
{5203, nullptr, "GetDisplayVsyncEventForDebug"},
};
RegisterHandlers(functions);
}
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Module::Interface::Interface(std::shared_ptr<Module> module, const char* name,
std::shared_ptr<NVFlinger::NVFlinger> nv_flinger)
: ServiceFramework(name), module(std::move(module)), nv_flinger(std::move(nv_flinger)) {}
hle/service: Default constructors and destructors in the cpp file where applicable When a destructor isn't defaulted into a cpp file, it can cause the use of forward declarations to seemingly fail to compile for non-obvious reasons. It also allows inlining of the construction/destruction logic all over the place where a constructor or destructor is invoked, which can lead to code bloat. This isn't so much a worry here, given the services won't be created and destroyed frequently. The cause of the above mentioned non-obvious errors can be demonstrated as follows: ------- Demonstrative example, if you know how the described error happens, skip forwards ------- Assume we have the following in the header, which we'll call "thing.h": \#include <memory> // Forward declaration. For example purposes, assume the definition // of Object is in some header named "object.h" class Object; class Thing { public: // assume no constructors or destructors are specified here, // or the constructors/destructors are defined as: // // Thing() = default; // ~Thing() = default; // // ... Some interface member functions would be defined here private: std::shared_ptr<Object> obj; }; If this header is included in a cpp file, (which we'll call "main.cpp"), this will result in a compilation error, because even though no destructor is specified, the destructor will still need to be generated by the compiler because std::shared_ptr's destructor is *not* trivial (in other words, it does something other than nothing), as std::shared_ptr's destructor needs to do two things: 1. Decrement the shared reference count of the object being pointed to, and if the reference count decrements to zero, 2. Free the Object instance's memory (aka deallocate the memory it's pointing to). And so the compiler generates the code for the destructor doing this inside main.cpp. Now, keep in mind, the Object forward declaration is not a complete type. All it does is tell the compiler "a type named Object exists" and allows us to use the name in certain situations to avoid a header dependency. So the compiler needs to generate destruction code for Object, but the compiler doesn't know *how* to destruct it. A forward declaration doesn't tell the compiler anything about Object's constructor or destructor. So, the compiler will issue an error in this case because it's undefined behavior to try and deallocate (or construct) an incomplete type and std::shared_ptr and std::unique_ptr make sure this isn't the case internally. Now, if we had defaulted the destructor in "thing.cpp", where we also include "object.h", this would never be an issue, as the destructor would only have its code generated in one place, and it would be in a place where the full class definition of Object would be visible to the compiler. ---------------------- End example ---------------------------- Given these service classes are more than certainly going to change in the future, this defaults the constructors and destructors into the relevant cpp files to make the construction and destruction of all of the services consistent and unlikely to run into cases where forward declarations are indirectly causing compilation errors. It also has the plus of avoiding the need to rebuild several services if destruction logic changes, since it would only be necessary to recompile the single cpp file.
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Module::Interface::~Interface() = default;
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void Module::Interface::GetDisplayService(Kernel::HLERequestContext& ctx) {
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LOG_WARNING(Service_VI, "(STUBBED) called");
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IPC::ResponseBuilder rb{ctx, 2, 0, 1};
rb.Push(RESULT_SUCCESS);
rb.PushIpcInterface<IApplicationDisplayService>(nv_flinger);
}
void InstallInterfaces(SM::ServiceManager& service_manager,
std::shared_ptr<NVFlinger::NVFlinger> nv_flinger) {
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auto module = std::make_shared<Module>();
std::make_shared<VI_M>(module, nv_flinger)->InstallAsService(service_manager);
std::make_shared<VI_S>(module, nv_flinger)->InstallAsService(service_manager);
std::make_shared<VI_U>(module, nv_flinger)->InstallAsService(service_manager);
}
} // namespace Service::VI