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Refactor Display Services and GPU

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This commit addresses the incorrect hierarchy of the GPU and refactors them at the same time. Now, the hierarchy much closely matches HOS. This commit also introduces a texture classes, albeit they're not complete and only partially implemented.
This commit is contained in:
◱ PixelyIon 2020-03-25 01:47:31 +05:30 committed by ◱ PixelyIon
parent 500b49d329
commit 42d982c6fb
47 changed files with 1424 additions and 1047 deletions
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24
app/CMakeLists.txt
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@ -32,13 +32,7 @@ add_library(skyline SHARED
${source_DIR}/skyline/nce.cpp
${source_DIR}/skyline/jvm.cpp
${source_DIR}/skyline/gpu.cpp
${source_DIR}/skyline/gpu/display.cpp
${source_DIR}/skyline/gpu/parcel.cpp
${source_DIR}/skyline/gpu/devices/nvhost_ctrl.cpp
${source_DIR}/skyline/gpu/devices/nvhost_ctrl_gpu.cpp
${source_DIR}/skyline/gpu/devices/nvhost_channel.cpp
${source_DIR}/skyline/gpu/devices/nvmap.cpp
${source_DIR}/skyline/gpu/devices/nvhost_as_gpu.cpp
${source_DIR}/skyline/gpu/texture.cpp
${source_DIR}/skyline/os.cpp
${source_DIR}/skyline/loader/nro.cpp
${source_DIR}/skyline/kernel/memory.cpp
@ -50,6 +44,7 @@ add_library(skyline SHARED
${source_DIR}/skyline/kernel/types/KTransferMemory.cpp
${source_DIR}/skyline/kernel/types/KPrivateMemory.cpp
${source_DIR}/skyline/services/serviceman.cpp
${source_DIR}/skyline/services/common/parcel.cpp
${source_DIR}/skyline/services/sm/IUserInterface.cpp
${source_DIR}/skyline/services/fatalsrv/IService.cpp
${source_DIR}/skyline/services/audio/IAudioOutManager.cpp
@ -84,9 +79,18 @@ add_library(skyline SHARED
${source_DIR}/skyline/services/timesrv/ITimeZoneService.cpp
${source_DIR}/skyline/services/fssrv/IFileSystemProxy.cpp
${source_DIR}/skyline/services/fssrv/IFileSystem.cpp
${source_DIR}/skyline/services/nvdrv/nvdrv.cpp
${source_DIR}/skyline/services/nvnflinger/dispdrv.cpp
${source_DIR}/skyline/services/vi/vi_m.cpp
${source_DIR}/skyline/services/nvdrv/INvDrvServices.cpp
${source_DIR}/skyline/services/nvdrv/devices/nvmap.cpp
${source_DIR}/skyline/services/nvdrv/devices/nvhost_ctrl_gpu.cpp
${source_DIR}/skyline/services/nvdrv/devices/nvhost_ctrl.cpp
${source_DIR}/skyline/services/nvdrv/devices/nvhost_channel.cpp
${source_DIR}/skyline/services/nvdrv/devices/nvhost_as_gpu.cpp
${source_DIR}/skyline/services/hosbinder/IHOSBinderDriver.cpp
${source_DIR}/skyline/services/visrv/IDisplayService.cpp
${source_DIR}/skyline/services/visrv/IApplicationDisplayService.cpp
${source_DIR}/skyline/services/visrv/IManagerDisplayService.cpp
${source_DIR}/skyline/services/visrv/IManagerRootService.cpp
${source_DIR}/skyline/services/visrv/ISystemDisplayService.cpp
)
target_link_libraries(skyline vulkan android fmt tinyxml2 oboe)

6
app/src/main/cpp/skyline/common.h
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@ -60,9 +60,6 @@ namespace skyline {
constexpr u32 DockedResolutionW = 1920; //!< The width component of the docked resolution
constexpr u32 DockedResolutionH = 1080; //!< The height component of the docked resolution
constexpr u32 TokenLength = 0x50; //!< The length of the token on BufferQueue parcels
constexpr u32 GobHeight = 0x8; //!< The height of a blocklinear GOB
constexpr u32 GobStride = 0x40; //!< The stride of a blocklinear GOB
constexpr u32 GobSize = GobHeight * GobStride; //!< The size of a blocklinear GOB
// Status codes
namespace status {
constexpr u32 Success = 0x0; //!< "Success"
@ -122,7 +119,8 @@ namespace skyline {
template<typename TypeVal, typename TypeMul>
inline TypeVal AlignUp(TypeVal value, TypeMul multiple) {
static_assert(std::is_integral<TypeVal>() && std::is_integral<TypeMul>());
return (value + multiple) & ~(multiple - 1);
multiple--;
return (value + multiple) & ~(multiple);
}
/**

148
app/src/main/cpp/skyline/gpu.cpp
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@ -1,8 +1,4 @@
#include "gpu.h"
#include "gpu/devices/nvhost_ctrl.h"
#include "gpu/devices/nvhost_ctrl_gpu.h"
#include "gpu/devices/nvhost_channel.h"
#include "gpu/devices/nvhost_as_gpu.h"
#include "jvm.h"
#include <kernel/types/KProcess.h>
#include <android/native_window_jni.h>
@ -11,7 +7,7 @@ extern bool Halt;
extern jobject Surface;
namespace skyline::gpu {
GPU::GPU(const DeviceState &state) : state(state), window(ANativeWindow_fromSurface(state.jvmManager->GetEnv(), Surface)), bufferQueue(state), vsyncEvent(std::make_shared<kernel::type::KEvent>(state)), bufferEvent(std::make_shared<kernel::type::KEvent>(state)) {
GPU::GPU(const DeviceState &state) : state(state), window(ANativeWindow_fromSurface(state.jvmManager->GetEnv(), Surface)), vsyncEvent(std::make_shared<kernel::type::KEvent>(state)), bufferEvent(std::make_shared<kernel::type::KEvent>(state)) {
ANativeWindow_acquire(window);
resolution.width = static_cast<u32>(ANativeWindow_getWidth(window));
resolution.height = static_cast<u32>(ANativeWindow_getHeight(window));
@ -36,142 +32,34 @@ namespace skyline::gpu {
surfaceUpdate = true;
return;
}
if (!bufferQueue.displayQueue.empty()) {
auto &buffer = bufferQueue.displayQueue.front();
bufferQueue.displayQueue.pop();
if (resolution != buffer->resolution || buffer->gbpBuffer.format != format) {
ANativeWindow_setBuffersGeometry(window, buffer->resolution.width, buffer->resolution.height, buffer->gbpBuffer.format);
resolution = buffer->resolution;
format = buffer->gbpBuffer.format;
if (!presentationQueue.empty()) {
auto &texture = presentationQueue.front();
presentationQueue.pop();
auto textureFormat = texture->GetAndroidFormat();
if (resolution != texture->dimensions || textureFormat != format) {
ANativeWindow_setBuffersGeometry(window, texture->dimensions.width, texture->dimensions.height, textureFormat);
resolution = texture->dimensions;
format = textureFormat;
}
u8 *inBuffer = buffer->GetAddress();
madvise(inBuffer, buffer->gbpBuffer.size, MADV_SEQUENTIAL);
ANativeWindow_Buffer windowBuffer;
ARect rect;
ANativeWindow_lock(window, &windowBuffer, &rect);
u8 *outBuffer = reinterpret_cast<u8 *>(windowBuffer.bits);
const u32 strideBytes = buffer->gbpBuffer.stride * buffer->bpp;
const u32 blockHeight = 1U << buffer->gbpBuffer.blockHeightLog2;
const u32 blockHeightPixels = 8U << buffer->gbpBuffer.blockHeightLog2;
const u32 widthBlocks = strideBytes >> 6U;
const u32 heightBlocks = ((resolution.height) + blockHeightPixels - 1) >> (3 + buffer->gbpBuffer.blockHeightLog2);
for (u32 blockY = 0; blockY < heightBlocks; blockY++) {
for (u32 blockX = 0; blockX < widthBlocks; blockX++) {
for (u32 gobY = 0; gobY < blockHeight; gobY++) {
const u32 x = blockX * constant::GobStride;
const u32 y = blockY * blockHeightPixels + gobY * constant::GobHeight;
if (y < resolution.height) {
u8 *inBlock = inBuffer;
u8 *outBlock = outBuffer + (y * strideBytes) + x;
for (u32 i = 0; i < 32; i++) {
const u32 yT = ((i >> 1) & 0x06) | (i & 0x01);
const u32 xT = ((i << 3) & 0x10) | ((i << 1) & 0x20);
std::memcpy(outBlock + (yT * strideBytes) + xT, inBlock, sizeof(u128));
inBlock += sizeof(u128);
}
}
inBuffer += constant::GobSize;
}
}
}
memcpy(windowBuffer.bits, texture->backing.data(), texture->backing.size());
ANativeWindow_unlockAndPost(window);
bufferQueue.FreeBuffer(buffer->slot);
vsyncEvent->Signal();
texture->releaseCallback();
if (prevTime != 0) {
auto now = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
state.logger->Error("{} ms, {} FPS", (now - prevTime) / 1000, 1000000 / (now - prevTime));
}
prevTime = std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
}
}
u32 GPU::OpenDevice(const std::string &path) {
state.logger->Debug("Opening NVDRV device ({}): {}", fdIndex, path);
auto type = device::nvDeviceMap.at(path);
for (const auto &device : fdMap) {
if (device.second->deviceType == type) {
device.second->refCount++;
fdMap[fdIndex] = device.second;
return fdIndex++;
}
}
std::shared_ptr<device::NvDevice> object;
switch (type) {
case (device::NvDeviceType::nvhost_ctrl):
object = std::make_shared<device::NvHostCtrl>(state);
break;
case (device::NvDeviceType::nvhost_gpu):
case (device::NvDeviceType::nvhost_vic):
case (device::NvDeviceType::nvhost_nvdec):
object = std::make_shared<device::NvHostChannel>(state, type);
break;
case (device::NvDeviceType::nvhost_ctrl_gpu):
object = std::make_shared<device::NvHostCtrlGpu>(state);
break;
case (device::NvDeviceType::nvmap):
object = std::make_shared<device::NvMap>(state);
break;
case (device::NvDeviceType::nvhost_as_gpu):
object = std::make_shared<device::NvHostAsGpu>(state);
break;
default:
throw exception("Cannot find NVDRV device");
}
deviceMap[type] = object;
fdMap[fdIndex] = object;
return fdIndex++;
}
void GPU::CloseDevice(u32 fd) {
state.logger->Debug("Closing NVDRV device ({})", fd);
try {
auto device = fdMap.at(fd);
if (!--device->refCount)
deviceMap.erase(device->deviceType);
fdMap.erase(fd);
} catch (const std::out_of_range &) {
state.logger->Warn("Trying to close non-existent FD");
}
}
void GPU::Ioctl(u32 fd, u32 cmd, kernel::ipc::IpcRequest &request, kernel::ipc::IpcResponse &response) {
state.logger->Debug("IOCTL on device: 0x{:X}, cmd: 0x{:X}", fd, cmd);
try {
if (request.inputBuf.empty() || request.outputBuf.empty()) {
if (request.inputBuf.empty()) {
device::IoctlData data(request.outputBuf.at(0));
fdMap.at(fd)->HandleIoctl(cmd, data);
response.Push<u32>(data.status);
} else {
device::IoctlData data(request.inputBuf.at(0));
fdMap.at(fd)->HandleIoctl(cmd, data);
response.Push<u32>(data.status);
}
} else {
device::IoctlData data(request.inputBuf.at(0), request.outputBuf.at(0));
fdMap.at(fd)->HandleIoctl(cmd, data);
response.Push<u32>(data.status);
}
} catch (const std::out_of_range &) {
throw exception("IOCTL was requested on an invalid file descriptor");
}
}
void GPU::SetDisplay(const std::string &name) {
try {
const auto type = displayTypeMap.at(name);
if (displayId == DisplayId::Null)
displayId = type;
else
throw exception("Trying to change display type from non-null type");
} catch (const std::out_of_range &) {
throw exception("The display with name: '{}' doesn't exist", name);
}
}
void GPU::CloseDisplay() {
if (displayId == DisplayId::Null)
state.logger->Warn("Trying to close uninitiated display");
displayId = DisplayId::Null;
}
}

84
app/src/main/cpp/skyline/gpu.h
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@ -1,10 +1,11 @@
#pragma once
#include "kernel/ipc.h"
#include "kernel/types/KEvent.h"
#include "gpu/display.h"
#include "gpu/devices/nvdevice.h"
#include <queue>
#include <android/native_window.h>
#include <kernel/ipc.h>
#include <kernel/types/KEvent.h>
#include <services/nvdrv/devices/nvmap.h>
#include "gpu/texture.h"
namespace skyline::gpu {
/**
@ -15,17 +16,12 @@ namespace skyline::gpu {
private:
ANativeWindow *window; //!< The ANativeWindow to render to
const DeviceState &state; //!< The state of the device
u32 fdIndex{}; //!< Holds the index of a file descriptor
std::unordered_map<device::NvDeviceType, std::shared_ptr<device::NvDevice>> deviceMap; //!< A map from a NvDeviceType to the NvDevice object
std::unordered_map<u32, std::shared_ptr<device::NvDevice>> fdMap; //!< A map from an FD to a shared pointer to it's NvDevice object
bool surfaceUpdate{}; //!< If the surface needs to be updated
double prevTime{}; //!< The time passed from the last frame
public:
DisplayId displayId{DisplayId::Null}; //!< The ID of this display
LayerStatus layerStatus{LayerStatus::Uninitialized}; //!< This is the status of the single layer the display has
BufferQueue bufferQueue; //!< This holds all of the buffers to be pushed onto the display
Resolution resolution{}; //!< The resolution of the display window
std::queue<std::shared_ptr<PresentationTexture>> presentationQueue; //!< A queue of all the PresentationTextures to be posted to the display
texture::Dimensions resolution{}; //!< The resolution of the surface
i32 format{}; //!< The format of the display window
std::shared_ptr<kernel::type::KEvent> vsyncEvent; //!< This KEvent is triggered every time a frame is drawn
std::shared_ptr<kernel::type::KEvent> bufferEvent; //!< This KEvent is triggered every time a buffer is freed
@ -44,71 +40,5 @@ namespace skyline::gpu {
* @brief The loop that executes routine GPU functions
*/
void Loop();
/**
* @brief Open a specific device and return a FD
* @param path The path of the device to open an FD to
* @return The file descriptor to the device
*/
u32 OpenDevice(const std::string &path);
/**
* @brief Close the specified FD
* @param fd The file descriptor to close
*/
void CloseDevice(u32 fd);
/**
* @brief Returns a particular device with a specific FD
* @tparam objectClass The class of the device to return
* @param fd The file descriptor to retrieve
* @return A shared pointer to the device
*/
template<typename objectClass>
std::shared_ptr<objectClass> GetDevice(u32 fd) {
try {
auto item = fdMap.at(fd);
return std::static_pointer_cast<objectClass>(item);
} catch (std::out_of_range) {
throw exception("GetDevice was called with invalid file descriptor: 0x{:X}", fd);
}
}
/**
* @brief Returns a particular device with a specific type
* @tparam objectClass The class of the device to return
* @param type The type of the device to return
* @return A shared pointer to the device
*/
template<typename objectClass>
std::shared_ptr<objectClass> GetDevice(device::NvDeviceType type) {
try {
auto item = deviceMap.at(type);
return std::static_pointer_cast<objectClass>(item);
} catch (std::out_of_range) {
throw exception("GetDevice was called with invalid type: 0x{:X}", type);
}
}
/**
* @brief Process an Ioctl request to a device
* @param fd The file descriptor the Ioctl was issued to
* @param cmd The command of the Ioctl
* @param request The IPC request object
* @param response The IPC response object
*/
void Ioctl(u32 fd, u32 cmd, kernel::ipc::IpcRequest &request, kernel::ipc::IpcResponse &response);
/**
* @brief This sets displayId to a specific display type
* @param name The name of the display
* @note displayId has to be DisplayId::Null or this will throw an exception
*/
void SetDisplay(const std::string &name);
/**
* @brief This closes the display by setting displayId to DisplayId::Null
*/
void CloseDisplay();
};
}

142
app/src/main/cpp/skyline/gpu/display.cpp
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@ -1,142 +0,0 @@
#include "display.h"
#include <kernel/types/KProcess.h>
#include <gpu.h>
namespace skyline::gpu {
Buffer::Buffer(const DeviceState &state, u32 slot, GbpBuffer &gbpBuffer) : state(state), slot(slot), gbpBuffer(gbpBuffer), resolution{gbpBuffer.width, gbpBuffer.height} {
if (gbpBuffer.nvmapHandle)
nvBuffer = state.gpu->GetDevice<device::NvMap>(device::NvDeviceType::nvmap)->handleTable.at(gbpBuffer.nvmapHandle);
else {
auto nvmap = state.gpu->GetDevice<device::NvMap>(device::NvDeviceType::nvmap);
for (const auto &object : nvmap->handleTable) {
if (object.second->id == gbpBuffer.nvmapId) {
nvBuffer = object.second;
break;
}
}
if (!nvBuffer)
throw exception("A QueueBuffer request has an invalid NVMap Handle ({}) and ID ({})", gbpBuffer.nvmapHandle, gbpBuffer.nvmapId);
}
switch (gbpBuffer.format) {
case WINDOW_FORMAT_RGBA_8888:
case WINDOW_FORMAT_RGBX_8888:
bpp = sizeof(u32);
break;
case WINDOW_FORMAT_RGB_565:
bpp = sizeof(u16);
break;
default:
throw exception("Unknown pixel format used for FB");
}
}
u8 *Buffer::GetAddress() {
return state.process->GetPointer<u8>(nvBuffer->address + gbpBuffer.offset);
}
BufferQueue::BufferQueue(const DeviceState &state) : state(state) {}
void BufferQueue::RequestBuffer(Parcel &in, Parcel &out) {
u32 slot = *reinterpret_cast<u32 *>(in.data.data() + constant::TokenLength);
out.WriteData<u32>(1);
out.WriteData<u32>(sizeof(GbpBuffer));
out.WriteData<u32>(0);
out.WriteData(queue.at(slot)->gbpBuffer);
state.logger->Debug("RequestBuffer: Slot: {}", slot, sizeof(GbpBuffer));
}
void BufferQueue::DequeueBuffer(Parcel &in, Parcel &out) {
struct Data {
u32 format;
u32 width;
u32 height;
u32 timestamps;
u32 usage;
} *data = reinterpret_cast<Data *>(in.data.data() + constant::TokenLength);
i64 slot{-1};
while (slot == -1) {
for (auto &buffer : queue) {
if (buffer.second->status == BufferStatus::Free && buffer.second->resolution.width == data->width && buffer.second->resolution.height == data->height && buffer.second->gbpBuffer.usage == data->usage) {
slot = buffer.first;
buffer.second->status = BufferStatus::Dequeued;
break;
}
}
asm("yield");
}
struct {
u32 slot;
u32 _unk_[13];
} output{
.slot = static_cast<u32>(slot)
};
out.WriteData(output);
state.logger->Debug("DequeueBuffer: Width: {}, Height: {}, Format: {}, Usage: {}, Timestamps: {}, Slot: {}", data->width, data->height, data->format, data->usage, data->timestamps, slot);
}
void BufferQueue::QueueBuffer(Parcel &in, Parcel &out) {
struct Data {
u32 slot;
u64 timestamp;
u32 autoTimestamp;
ARect crop;
u32 scalingMode;
u32 transform;
u32 stickyTransform;
u64 _unk0_;
u32 swapInterval;
Fence fence[4];
} *data = reinterpret_cast<Data *>(in.data.data() + constant::TokenLength);
auto buffer = queue.at(data->slot);
buffer->status = BufferStatus::Queued;
displayQueue.emplace(buffer);
state.gpu->bufferEvent->Signal();
struct {
u32 width;
u32 height;
u32 _pad0_[3];
} output{
.width = buffer->gbpBuffer.width,
.height = buffer->gbpBuffer.height
};
out.WriteData(output);
state.logger->Debug("QueueBuffer: Timestamp: {}, Auto Timestamp: {}, Crop: [T: {}, B: {}, L: {}, R: {}], Scaling Mode: {}, Transform: {}, Sticky Transform: {}, Swap Interval: {}, Slot: {}", data->timestamp, data->autoTimestamp, data->crop.top, data->crop.bottom, data->crop.left, data->crop.right, data->scalingMode, data->transform, data->stickyTransform, data->swapInterval, data->slot);
}
void BufferQueue::CancelBuffer(Parcel &parcel) {
struct Data {
u32 slot;
Fence fence[4];
} *data = reinterpret_cast<Data *>(parcel.data.data() + constant::TokenLength);
FreeBuffer(data->slot);
state.logger->Debug("CancelBuffer: Slot: {}", data->slot);
}
void BufferQueue::SetPreallocatedBuffer(Parcel &parcel) {
auto pointer = parcel.data.data() + constant::TokenLength;
struct Data {
u32 slot;
u32 _unk0_;
u32 length;
u32 _pad0_;
} *data = reinterpret_cast<Data *>(pointer);
pointer += sizeof(Data);
auto gbpBuffer = reinterpret_cast<GbpBuffer *>(pointer);
queue[data->slot] = std::make_shared<Buffer>(state, data->slot, *gbpBuffer);
state.gpu->bufferEvent->Signal();
state.logger->Debug("SetPreallocatedBuffer: Slot: {}, Magic: 0x{:X}, Width: {}, Height: {}, Stride: {}, Format: {}, Usage: {}, Index: {}, ID: {}, Handle: {}, Offset: 0x{:X}, Block Height: {}, Size: 0x{:X}",
data->slot,
gbpBuffer->magic,
gbpBuffer->width,
gbpBuffer->height,
gbpBuffer->stride,
gbpBuffer->format,
gbpBuffer->usage,
gbpBuffer->index,
gbpBuffer->nvmapId,
gbpBuffer->nvmapHandle,
gbpBuffer->offset,
(1U << gbpBuffer->blockHeightLog2),
gbpBuffer->size);
}
}

171
app/src/main/cpp/skyline/gpu/display.h
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@ -1,171 +0,0 @@
#pragma once
#include <common.h>
#include <queue>
#include <gpu/devices/nvmap.h>
#include "parcel.h"
namespace skyline::gpu {
/**
* @brief A struct that encapsulates a resolution
*/
struct Resolution {
u32 width; //!< The width component of the resolution
u32 height; //!< The height component of the resolution
inline bool operator==(const Resolution &r) {
return (width == r.width) && (height == r.height);
}
inline bool operator!=(const Resolution &r) {
return !operator==(r);
}
};
/**
* @brief An enumeration of all the possible display IDs (https://switchbrew.org/wiki/Display_services#DisplayName)
*/
enum class DisplayId : u64 {
Default,
External,
Edid,
Internal,
Null
};
/**
* @brief A mapping from a display's name to it's displayType entry
*/
static const std::unordered_map<std::string, DisplayId> displayTypeMap{
{"Default", DisplayId::Default},
{"External", DisplayId::External},
{"Edid", DisplayId::Edid},
{"Internal", DisplayId::Internal},
{"Null", DisplayId::Null},
};
/**
* @brief The status of a specific layer
*/
enum class LayerStatus {
Uninitialized,
Initialized
};
/**
* @brief The status of a specific buffer
*/
enum class BufferStatus {
Free,
Dequeued,
Queued
};
/**
* @brief This struct holds information about the graphics buffer (https://github.com/reswitched/libtransistor/blob/0f0c36227842c344d163922fc98ee76229e9f0ee/lib/display/graphic_buffer_queue.c#L66)
*/
struct GbpBuffer {
u32 magic; //!< The magic of the graphics buffer: 0x47424652
u32 width; //!< The width of the buffer
u32 height; //!< The height of the buffer
u32 stride; //!< The stride of the buffer
u32 format; //!< The format of the buffer, this corresponds to AHardwareBuffer_Format
u32 usage; //!< The usage flags for the buffer
u32 _pad0_;
u32 index; //!< The index of the buffer
u32 _pad1_[3];
u32 nvmapId; //!< The ID of the buffer in regards to /dev/nvmap
u32 _pad2_[8];
u32 size; //!< The size of the buffer
u32 _pad3_[8];
u32 nvmapHandle; //!< The handle of the buffer in regards to /dev/nvmap
u32 offset; //!< This is the offset of the pixel data in the GPU Buffer
u32 _pad4_;
u32 blockHeightLog2; //!< The log2 of the block height
u32 _pad5_[58];
};
/**
* @brief This represents conditions for the completion of an asynchronous graphics operation
*/
struct Fence {
u32 syncptId; //!< The ID of the syncpoint
u32 syncptValue; //!< The value of the syncpoint
};
/**
* @brief This holds the state and describes a single Buffer
*/
class Buffer {
public:
const DeviceState &state; //!< The state of the device
u32 slot; //!< The slot the buffer is in
u32 bpp; //!< The amount of bytes per pixel
Resolution resolution; //!< The resolution of this buffer
GbpBuffer gbpBuffer; //!< The information about the underlying buffer
BufferStatus status{BufferStatus::Free}; //!< The status of this buffer
std::shared_ptr<device::NvMap::NvMapObject> nvBuffer{}; //!< A shared pointer to the buffer's nvmap object
/**
* @param state The state of the device
* @param slot The slot this buffer is in
* @param gpBuffer The GbpBuffer object for this buffer
*/
Buffer(const DeviceState &state, u32 slot, GbpBuffer &gbpBuffer);
/**
* @return The address of the buffer on the kernel
*/
u8* GetAddress();
};
/**
* @brief This is used to manage and queue up all display buffers to be shown
*/
class BufferQueue {
private:
const DeviceState &state; //!< The state of the device
public:
std::unordered_map<u32, std::shared_ptr<Buffer>> queue; //!< A vector of shared pointers to all the queued buffers
std::queue<std::shared_ptr<Buffer>> displayQueue; //!< A queue of all the buffers to be posted to the display
/**
* @param state The state of the device
*/
BufferQueue(const DeviceState &state);
/**
* @brief This the GbpBuffer struct of the specified buffer
*/
void RequestBuffer(Parcel &in, Parcel &out);
/**
* @brief This returns the slot of a free buffer
*/
void DequeueBuffer(Parcel &in, Parcel &out);
/**
* @brief This queues a buffer to be displayed
*/
void QueueBuffer(Parcel &in, Parcel &out);
/**
* @brief This removes a previously queued buffer
*/
void CancelBuffer(Parcel &parcel);
/**
* @brief This adds a pre-existing buffer to the queue
*/
void SetPreallocatedBuffer(Parcel &parcel);
/**
* @brief This frees a buffer which is currently queued
* @param slotNo The slot of the buffer
*/
inline void FreeBuffer(u32 slotNo) {
queue.at(slotNo)->status = BufferStatus::Free;
}
};
}

81
app/src/main/cpp/skyline/gpu/texture.cpp Normal file
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@ -0,0 +1,81 @@
#include <android/native_window.h>
#include <kernel/types/KProcess.h>
#include "texture.h"
namespace skyline::gpu {
GuestTexture::GuestTexture(const DeviceState &state, u64 address, texture::Dimensions dimensions, texture::Format format, texture::TileMode tiling, texture::TileConfig layout) : state(state), address(address), dimensions(dimensions), format(format), tileMode(tiling), tileConfig(layout) {}
Texture::Texture(const DeviceState &state, std::shared_ptr<GuestTexture> guest, texture::Dimensions dimensions, texture::Format format, texture::Swizzle swizzle) : state(state), guest(guest), dimensions(dimensions), format(format), swizzle(swizzle) {
SynchronizeHost();
}
void Texture::SynchronizeHost() {
auto texture = state.process->GetPointer<u8>(guest->address);
auto size = format.GetSize(dimensions);
backing.resize(size);
auto output = reinterpret_cast<u8 *>(backing.data());
if (guest->tileMode == texture::TileMode::Block) {
// Reference on Block-linear tiling: https://gist.github.com/PixelyIon/d9c35050af0ef5690566ca9f0965bc32
constexpr auto sectorWidth = 16; // The width of a sector in bytes
constexpr auto sectorHeight = 2; // The height of a sector in lines
constexpr auto gobWidth = 64; // The width of a GOB in bytes
constexpr auto gobHeight = 8; // The height of a GOB in lines
auto robHeight = gobHeight * guest->tileConfig.blockHeight; // The height of a single ROB (Row of Blocks) in lines
auto surfaceHeightRobs = utils::AlignUp(dimensions.height / format.blockHeight, robHeight) / robHeight; // The height of the surface in ROBs (Row Of Blocks)
auto robWidthBytes = utils::AlignUp((guest->tileConfig.surfaceWidth / format.blockWidth) * format.bpb, gobWidth); // The width of a ROB in bytes
auto robWidthBlocks = robWidthBytes / gobWidth; // The width of a ROB in blocks (and GOBs because block width == 1 on the Tegra X1)
auto robBytes = robWidthBytes * robHeight; // The size of a ROB in bytes
auto gobYOffset = robWidthBytes * gobHeight; // The offset of the next Y-axis GOB from the current one in linear space
auto inputSector = texture; // The address of the input sector
auto outputRob = output; // The address of the output block
for (u32 rob = 0; rob < surfaceHeightRobs; rob++) { // Every Surface contains `surfaceHeightRobs` ROBs
auto outputBlock = outputRob; // We iterate through a block independently of the ROB
for (u32 block = 0; block < robWidthBlocks; block++) { // Every ROB contains `surfaceWidthBlocks` Blocks
auto outputGob = outputBlock; // We iterate through a GOB independently of the block
for (u32 gobY = 0; gobY < guest->tileConfig.blockHeight; gobY++) { // Every Block contains `blockHeight` Y-axis GOBs
for (u32 index = 0; index < sectorWidth * sectorHeight; index++) { // Every Y-axis GOB contains `sectorWidth * sectorHeight` sectors
const u32 xT = ((index << 3) & 0b10000) | ((index << 1) & 0b100000); // Morton-Swizzle on the X-axis
const u32 yT = ((index >> 1) & 0b110) | (index & 0b1); // Morton-Swizzle on the Y-axis
std::memcpy(outputGob + (yT * robWidthBytes) + xT, inputSector, sectorWidth);
inputSector += sectorWidth; // `sectorWidth` bytes are of sequential image data
}
outputGob += gobYOffset; // Increment the output GOB to the next Y-axis GOB
}
outputBlock += gobWidth; // Increment the output block to the next block (As Block Width = 1 GOB Width)
}
outputRob += robBytes; // Increment the output block to the next ROB
}
} else if (guest->tileMode == texture::TileMode::Pitch) {
auto sizeLine = guest->format.GetSize(dimensions.width, 1); // The size of a single line of pixel data
auto sizeStride = guest->format.GetSize(guest->tileConfig.pitch, 1); // The size of a single stride of pixel data
auto inputLine = texture; // The address of the input line
auto outputLine = output; // The address of the output line
for (auto line = 0; line < dimensions.height; line++) {
std::memcpy(outputLine, inputLine, sizeLine);
inputLine += sizeStride;
outputLine += sizeLine;
}
} else if (guest->tileMode == texture::TileMode::Linear) {
std::memcpy(output, texture, size);
}
}
PresentationTexture::PresentationTexture(const DeviceState &state, const std::shared_ptr<GuestTexture> &guest, const texture::Dimensions &dimensions, const texture::Format &format, const std::function<void()> &releaseCallback) : releaseCallback(releaseCallback), Texture(state, guest, dimensions, format, {}) {}
i32 PresentationTexture::GetAndroidFormat() {
switch (format.vkFormat) {
case vk::Format::eR8G8B8A8Unorm:
return WINDOW_FORMAT_RGBA_8888;
case vk::Format::eR5G6B5UnormPack16:
return WINDOW_FORMAT_RGB_565;
default:
throw exception("GetAndroidFormat: Cannot find corresponding Android surface format");
}
}
}

266
app/src/main/cpp/skyline/gpu/texture.h Normal file
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@ -0,0 +1,266 @@
#pragma once
#include <common.h>
#include <vulkan/vulkan.hpp>
namespace skyline {
namespace service::hosbinder {
class IHOSBinderDriver;
}
namespace gpu {
namespace texture {
/*
* @brief This is used to hold the dimensions of a surface
*/
struct Dimensions {
u32 width; //!< The width of the surface
u32 height; //!< The height of the surface
u32 depth; //!< The depth of the surface
constexpr Dimensions() : width(0), height(0), depth(0) {}
constexpr Dimensions(u32 width, u32 height) : width(width), height(height), depth(1) {}
constexpr Dimensions(u32 width, u32 height, u32 depth) : width(width), height(height), depth(depth) {}
/**
* @return If the specified dimension is equal to this one
*/
constexpr inline bool operator==(const Dimensions &dimensions) {
return (width == dimensions.width) && (height == dimensions.height) && (depth == dimensions.depth);
}
/**
* @return If the specified dimension is not equal to this one
*/
constexpr inline bool operator!=(const Dimensions &dimensions) {
return (width != dimensions.width) || (height != dimensions.height) || (depth != dimensions.depth);
}
};
/**
* @brief This is used to hold the attributes of a texture format
*/
struct Format {
u8 bpb; //!< Bytes Per Block, this is to accommodate compressed formats
u16 blockHeight; //!< The height of a single block
u16 blockWidth; //!< The width of a single block
vk::Format vkFormat; //!< The underlying Vulkan type of the format
/**
* @return If this is a compressed texture format or not
*/
inline constexpr bool IsCompressed() {
return (blockHeight != 1) || (blockWidth != 1);
}
/**
* @param width The width of the texture in pixels
* @param height The height of the texture in pixels
* @param depth The depth of the texture in layers
* @return The size of the texture in bytes
*/
inline constexpr size_t GetSize(u32 width, u32 height, u32 depth = 1) {
return (((width / blockWidth) * (height / blockHeight)) * bpb) * depth;
}
/**
* @param dimensions The dimensions of a texture
* @return The size of the texture in bytes
*/
inline constexpr size_t GetSize(Dimensions dimensions) {
return GetSize(dimensions.width, dimensions.height, dimensions.depth);
}
/**
* @return If the specified format is equal to this one
*/
inline constexpr bool operator==(const Format &format) {
return vkFormat == format.vkFormat;
}
/**
* @return If the specified format is not equal to this one
*/
inline constexpr bool operator!=(const Format &format) {
return vkFormat != format.vkFormat;
}
/**
* @return If this format is actually valid or not
*/
inline constexpr operator bool() {
return bpb;
}
};
namespace format {
constexpr Format RGBA8888Unorm{sizeof(u8) * 4, 1, 1, vk::Format::eR8G8B8A8Unorm}; //!< 8-bits per channel 4-channel pixels
constexpr Format RGB565Unorm{sizeof(u8) * 2, 1, 1, vk::Format::eR5G6B5UnormPack16}; //!< Red channel: 5-bit, Green channel: 6-bit, Blue channel: 5-bit
}
/**
* @brief This describes the linearity of a texture. Refer to Chapter 20.1 of the Tegra X1 TRM for information.
*/
enum class TileMode {
Linear, //!< This is a purely linear texture
Pitch, //!< This is a pitch-linear texture
Block, //!< This is a 16Bx2 block-linear texture
};
/**
* @brief This holds the parameters of the tiling mode, covered in Table 76 in the Tegra X1 TRM
*/
union TileConfig {
struct {
u8 blockHeight; //!< The height of the blocks in GOBs
u8 blockDepth; //!< The depth of the blocks in GOBs
u16 surfaceWidth; //!< The width of a surface in samples
};
u32 pitch; //!< The pitch of the texture if it's pitch linear
};
/**
* @brief This enumerates all of the channel swizzle options
*/
enum class SwizzleChannel {
Zero, //!< Write 0 to the channel
One, //!< Write 1 to the channel
Red, //!< Red color channel
Green, //!< Green color channel
Blue, //!< Blue color channel
Alpha, //!< Alpha channel
};
/**
* @brief This holds all of the texture swizzles on each color channel
*/
struct Swizzle {
SwizzleChannel red{SwizzleChannel::Red}; //!< Swizzle for the red channel
SwizzleChannel green{SwizzleChannel::Green}; //!< Swizzle for the green channel
SwizzleChannel blue{SwizzleChannel::Blue}; //!< Swizzle for the blue channel
SwizzleChannel alpha{SwizzleChannel::Alpha}; //!< Swizzle for the alpha channel
};
}
class Texture;
class PresentationTexture;
/**
* @brief This class is used to hold metadata about a guest texture and can be used to create a host Texture object
*/
class GuestTexture : public std::enable_shared_from_this<GuestTexture> {
private:
const DeviceState &state; //!< The state of the device
public:
u64 address; //!< The address of the texture in guest memory
std::shared_ptr<Texture> host; //!< The corresponding host texture object
texture::Dimensions dimensions; //!< The dimensions of the texture
texture::Format format; //!< The format of the texture
texture::TileMode tileMode; //!< The tiling mode of the texture
texture::TileConfig tileConfig; //!< The tiling configuration of the texture
GuestTexture(const DeviceState &state, u64 address, texture::Dimensions dimensions, texture::Format format, texture::TileMode tileMode = texture::TileMode::Linear, texture::TileConfig tileConfig = {});
inline constexpr size_t Size() {
return format.GetSize(dimensions);
}
/**
* @brief This creates a corresponding host texture object for this guest texture
* @param format The format of the host texture (Defaults to the format of the guest texture)
* @param dimensions The dimensions of the host texture (Defaults to the dimensions of the host texture)
* @param swizzle The channel swizzle of the host texture (Defaults to no channel swizzling)
* @return A shared pointer to the host texture object
* @note There can only be one host texture for a corresponding guest texture
*/
std::shared_ptr<Texture> InitializeTexture(std::optional<texture::Format> format = std::nullopt, std::optional<texture::Dimensions> dimensions = std::nullopt, texture::Swizzle swizzle = {}) {
if (host)
throw exception("Trying to create multiple Texture objects from a single GuestTexture");
host = std::make_shared<Texture>(state, shared_from_this(), dimensions ? *dimensions : this->dimensions, format ? *format : this->format, swizzle);
return host;
}
protected:
std::shared_ptr<PresentationTexture> InitializePresentationTexture() {
if (host)
throw exception("Trying to create multiple PresentationTexture objects from a single GuestTexture");
auto presentation = std::make_shared<PresentationTexture>(state, shared_from_this(), dimensions, format);
host = std::static_pointer_cast<Texture>(presentation);
return presentation;
}
friend service::hosbinder::IHOSBinderDriver;
};
/**
* @brief This class is used to store a texture which is backed by host objects
*/
class Texture {
private:
const DeviceState &state; //!< The state of the device
public:
std::vector<u8> backing; //!< The object that holds a host copy of the guest texture (Will be replaced with a vk::Image)
std::shared_ptr<GuestTexture> guest; //!< The corresponding guest texture object
texture::Dimensions dimensions; //!< The dimensions of the texture
texture::Format format; //!< The format of the host texture
texture::Swizzle swizzle; //!< The swizzle of the host texture
public:
Texture(const DeviceState &state, std::shared_ptr<GuestTexture> guest, texture::Dimensions dimensions, texture::Format format, texture::Swizzle swizzle);
public:
/**
* @brief This convert this texture to the specified tiling mode
* @param tileMode The tiling mode to convert it to
* @param tileConfig The configuration for the tiling mode (Can be default argument for Linear)
*/
void ConvertTileMode(texture::TileMode tileMode, texture::TileConfig tileConfig = {});
/**
* @brief This sets the texture dimensions to the specified ones (As long as they are within the GuestTexture's range)
* @param dimensions The dimensions to adjust the texture to
*/
void SetDimensions(texture::Dimensions dimensions);
/**
* @brief This sets the format to the specified one
* @param format The format to change the texture to
*/
void SetFormat(texture::Format format);
/**
* @brief This sets the channel swizzle to the specified one
* @param swizzle The channel swizzle to the change the texture to
*/
void SetSwizzle(texture::Swizzle swizzle);
/**
* @brief This synchronizes the host texture with the guest after it has been modified
*/
void SynchronizeHost();
/**
* @brief This synchronizes the guest texture with the host texture after it has been modified
*/
void SynchronizeGuest();
};
/**
* @brief This class is used to hold a texture object alongside a release callback used for display presentation
*/
class PresentationTexture : public Texture {
public:
std::function<void()> releaseCallback; //!< The release callback after this texture has been displayed
PresentationTexture(const DeviceState &state, const std::shared_ptr<GuestTexture> &guest, const texture::Dimensions &dimensions, const texture::Format &format, const std::function<void()> &releaseCallback = {});
/**
* @return The corresponding Android surface format for the current texture format
*/
i32 GetAndroidFormat();
};
}
}

11
app/src/main/cpp/skyline/services/am/controller/ISelfController.cpp
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@ -1,4 +1,6 @@
#include <gpu.h>
#include <os.h>
#include <services/hosbinder/IHOSBinderDriver.h>
#include <services/hosbinder/display.h>
#include "ISelfController.h"
namespace skyline::service::am {
@ -19,10 +21,11 @@ namespace skyline::service::am {
void ISelfController::SetOutOfFocusSuspendingEnabled(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {}
void ISelfController::CreateManagedDisplayLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
state.logger->Debug("Creating Managed Layer");
if (state.gpu->layerStatus == gpu::LayerStatus::Initialized)
state.logger->Debug("Creating Managed Layer on Default Display");
auto hosBinder = state.os->serviceManager.GetService<hosbinder::IHOSBinderDriver>(Service::hosbinder_IHOSBinderDriver);
if (hosBinder->layerStatus != hosbinder::LayerStatus::Uninitialized)
throw exception("The application is creating more than one layer");
state.gpu->layerStatus = gpu::LayerStatus::Initialized;
hosBinder->layerStatus = hosbinder::LayerStatus::Managed;
response.Push<u64>(0);
}
}

2
app/src/main/cpp/skyline/services/audio/IAudioOut.cpp
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@ -52,7 +52,7 @@ namespace skyline::service::audio {
void IAudioOut::RegisterBufferEvent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto handle = state.process->InsertItem(releaseEvent);
state.logger->Debug("Audout Buffer Release Event Handle: 0x{:X}", handle);
state.logger->Debug("IAudioOut: Buffer Release Event Handle: 0x{:X}", handle);
response.copyHandles.push_back(handle);
}

22
app/src/main/cpp/skyline/services/base_service.h
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@ -49,12 +49,12 @@ namespace skyline::service {
timesrv_ITimeZoneService,
fssrv_IFileSystemProxy,
fssrv_IFileSystem,
nvdrv,
vi_m,
vi_IApplicationDisplayService,
vi_ISystemDisplayService,
vi_IManagerDisplayService,
nvnflinger_dispdrv,
nvdrv_INvDrvServices,
visrv_IManagerRootService,
visrv_IApplicationDisplayService,
visrv_ISystemDisplayService,
visrv_IManagerDisplayService,
hosbinder_IHOSBinderDriver,
};
/**
@ -73,11 +73,11 @@ namespace skyline::service {
{"time:a", Service::timesrv_IStaticService},
{"time:u", Service::timesrv_IStaticService},
{"fsp-srv", Service::fssrv_IFileSystemProxy},
{"nvdrv", Service::nvdrv},
{"nvdrv:a", Service::nvdrv},
{"nvdrv:s", Service::nvdrv},
{"nvdrv:t", Service::nvdrv},
{"vi:m", Service::vi_m},
{"nvdrv", Service::nvdrv_INvDrvServices},
{"nvdrv:a", Service::nvdrv_INvDrvServices},
{"nvdrv:s", Service::nvdrv_INvDrvServices},
{"nvdrv:t", Service::nvdrv_INvDrvServices},
{"vi:m", Service::visrv_IManagerRootService},
};
class ServiceManager;

2
app/src/main/cpp/skyline/gpu/parcel.cpp → app/src/main/cpp/skyline/services/common/parcel.cpp
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@ -2,7 +2,7 @@
#include <os.h>
#include <kernel/types/KProcess.h>
namespace skyline::gpu {
namespace skyline::service {
Parcel::Parcel(kernel::ipc::InputBuffer &buffer, const DeviceState &state) : Parcel(buffer.address, buffer.size, state) {}
Parcel::Parcel(u64 address, u64 size, const DeviceState &state) : state(state) {

2
app/src/main/cpp/skyline/gpu/parcel.h → app/src/main/cpp/skyline/services/common/parcel.h
View File

@ -3,7 +3,7 @@
#include <common.h>
#include <kernel/ipc.h>
namespace skyline::gpu {
namespace skyline::service {
/**
* @brief This class encapsulates a Parcel object (https://switchbrew.org/wiki/Display_services#Parcel)
*/

237
app/src/main/cpp/skyline/services/hosbinder/IHOSBinderDriver.cpp Normal file
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@ -0,0 +1,237 @@
#include <gpu.h>
#include <os.h>
#include <kernel/types/KProcess.h>
#include <services/nvdrv/INvDrvServices.h>
#include "IHOSBinderDriver.h"
#include "display.h"
namespace skyline::service::hosbinder {
IHOSBinderDriver::IHOSBinderDriver(const DeviceState &state, ServiceManager &manager) : BaseService(state, manager, Service::hosbinder_IHOSBinderDriver, "hosbinder_IHOSBinderDriver", {
{0x0, SFUNC(IHOSBinderDriver::TransactParcel)},
{0x1, SFUNC(IHOSBinderDriver::AdjustRefcount)},
{0x2, SFUNC(IHOSBinderDriver::GetNativeHandle)},
{0x3, SFUNC(IHOSBinderDriver::TransactParcel)}
}) {}
void IHOSBinderDriver::RequestBuffer(Parcel &in, Parcel &out) {
u32 slot = *reinterpret_cast<u32 *>(in.data.data() + constant::TokenLength);
out.WriteData<u32>(1);
out.WriteData<u32>(sizeof(GbpBuffer));
out.WriteData<u32>(0);
out.WriteData(queue.at(slot)->gbpBuffer);
state.logger->Debug("RequestBuffer: Slot: {}", slot, sizeof(GbpBuffer));
}
void IHOSBinderDriver::DequeueBuffer(Parcel &in, Parcel &out) {
struct Data {
u32 format;
u32 width;
u32 height;
u32 timestamps;
u32 usage;
} *data = reinterpret_cast<Data *>(in.data.data() + constant::TokenLength);
i64 slot{-1};
while (slot == -1) {
for (auto &buffer : queue) {
if (buffer.second->status == BufferStatus::Free && buffer.second->gbpBuffer.width == data->width && buffer.second->gbpBuffer.height == data->height && buffer.second->gbpBuffer.usage == data->usage) {
slot = buffer.first;
buffer.second->status = BufferStatus::Dequeued;
break;
}
}
asm("yield");
}
struct {
u32 slot;
u32 _unk_[13];
} output{
.slot = static_cast<u32>(slot)
};
out.WriteData(output);
state.logger->Debug("DequeueBuffer: Width: {}, Height: {}, Format: {}, Usage: {}, Timestamps: {}, Slot: {}", data->width, data->height, data->format, data->usage, data->timestamps, slot);
}
void IHOSBinderDriver::QueueBuffer(Parcel &in, Parcel &out) {
struct Data {
u32 slot;
u64 timestamp;
u32 autoTimestamp;
ARect crop;
u32 scalingMode;
u32 transform;
u32 stickyTransform;
u64 _unk0_;
u32 swapInterval;
Fence fence[4];
} *data = reinterpret_cast<Data *>(in.data.data() + constant::TokenLength);
auto buffer = queue.at(data->slot);
buffer->status = BufferStatus::Queued;
auto slot = data->slot;
auto bufferEvent = state.gpu->bufferEvent;
buffer->texture->releaseCallback = [this, slot, bufferEvent]() {
FreeBuffer(slot);
bufferEvent->Signal();
};
buffer->texture->SynchronizeHost();
state.gpu->presentationQueue.push(buffer->texture);
struct {
u32 width;
u32 height;
u32 _pad0_[3];
} output{
.width = buffer->gbpBuffer.width,
.height = buffer->gbpBuffer.height
};
out.WriteData(output);
state.logger->Debug("QueueBuffer: Timestamp: {}, Auto Timestamp: {}, Crop: [T: {}, B: {}, L: {}, R: {}], Scaling Mode: {}, Transform: {}, Sticky Transform: {}, Swap Interval: {}, Slot: {}", data->timestamp, data->autoTimestamp, data->crop.top, data->crop.bottom, data->crop.left, data->crop.right, data->scalingMode, data->transform, data->stickyTransform, data->swapInterval, data->slot);
}
void IHOSBinderDriver::CancelBuffer(Parcel &parcel) {
struct Data {
u32 slot;
Fence fence[4];
} *data = reinterpret_cast<Data *>(parcel.data.data() + constant::TokenLength);
FreeBuffer(data->slot);
state.logger->Debug("CancelBuffer: Slot: {}", data->slot);
}
void IHOSBinderDriver::SetPreallocatedBuffer(Parcel &parcel) {
auto pointer = parcel.data.data() + constant::TokenLength;
struct Data {
u32 slot;
u32 _unk0_;
u32 length;
u32 _pad0_;
} *data = reinterpret_cast<Data *>(pointer);
pointer += sizeof(Data);
auto gbpBuffer = reinterpret_cast<GbpBuffer *>(pointer);
std::shared_ptr<nvdrv::device::NvMap::NvMapObject> nvBuffer{};
auto nvmap = state.os->serviceManager.GetService<nvdrv::INvDrvServices>(Service::nvdrv_INvDrvServices)->GetDevice<nvdrv::device::NvMap>(nvdrv::device::NvDeviceType::nvmap);
if (gbpBuffer->nvmapHandle)
nvBuffer = nvmap->handleTable.at(gbpBuffer->nvmapHandle);
else {
for (const auto &object : nvmap->handleTable) {
if (object.second->id == gbpBuffer->nvmapId) {
nvBuffer = object.second;
break;
}
}
if (!nvBuffer)
throw exception("A QueueBuffer request has an invalid NVMap Handle ({}) and ID ({})", gbpBuffer->nvmapHandle, gbpBuffer->nvmapId);
}
gpu::texture::Format format;
switch (gbpBuffer->format) {
case WINDOW_FORMAT_RGBA_8888:
case WINDOW_FORMAT_RGBX_8888:
format = gpu::texture::format::RGBA8888Unorm;
break;
case WINDOW_FORMAT_RGB_565:
format = gpu::texture::format::RGB565Unorm;
break;
default:
throw exception("Unknown pixel format used for FB");
}
auto texture = std::make_shared<gpu::GuestTexture>(state, nvBuffer->address + gbpBuffer->offset, gpu::texture::Dimensions(gbpBuffer->width, gbpBuffer->height), format, gpu::texture::TileMode::Block, gpu::texture::TileConfig{.surfaceWidth = static_cast<u16>(gbpBuffer->stride), .blockHeight = static_cast<u8>(1U << gbpBuffer->blockHeightLog2), .blockDepth = 1});
queue[data->slot] = std::make_shared<Buffer>(data->slot, *gbpBuffer, texture->InitializePresentationTexture());
state.gpu->bufferEvent->Signal();
state.logger->Debug("SetPreallocatedBuffer: Slot: {}, Magic: 0x{:X}, Width: {}, Height: {}, Stride: {}, Format: {}, Usage: {}, Index: {}, ID: {}, Handle: {}, Offset: 0x{:X}, Block Height: {}, Size: 0x{:X}", data->slot, gbpBuffer->magic, gbpBuffer->width, gbpBuffer->height, gbpBuffer->stride, gbpBuffer->format, gbpBuffer->usage, gbpBuffer->index, gbpBuffer->nvmapId,
gbpBuffer->nvmapHandle, gbpBuffer->offset, (1U << gbpBuffer->blockHeightLog2), gbpBuffer->size);
}
void IHOSBinderDriver::TransactParcel(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto layerId = request.Pop<u32>();
auto code = request.Pop<TransactionCode>();
Parcel in(request.inputBuf.at(0), state);
Parcel out(state);
state.logger->Debug("TransactParcel: Layer ID: {}, Code: {}", layerId, code);
switch (code) {
case TransactionCode::RequestBuffer:
RequestBuffer(in, out);
break;
case TransactionCode::DequeueBuffer:
DequeueBuffer(in, out);
break;
case TransactionCode::QueueBuffer:
QueueBuffer(in, out);
break;
case TransactionCode::CancelBuffer:
CancelBuffer(in);
break;
case TransactionCode::Query:
out.WriteData<u64>(0);
break;
case TransactionCode::Connect: {
ConnectParcel connect = {
.width = constant::HandheldResolutionW,
.height = constant::HandheldResolutionH,
.transformHint = 0,
.pendingBuffers = 0,
.status = constant::status::Success,
};
out.WriteData(connect);
break;
}
case TransactionCode::Disconnect:
break;
case TransactionCode::SetPreallocatedBuffer:
SetPreallocatedBuffer(in);
break;
default:
throw exception("An unimplemented transaction was called: {}", static_cast<u32>(code));
}
out.WriteParcel(request.outputBuf.at(0));
}
void IHOSBinderDriver::AdjustRefcount(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
request.Skip<u32>();
auto addVal = request.Pop<i32>();
auto type = request.Pop<i32>();
state.logger->Debug("Reference Change: {} {} reference", addVal, type ? "strong" : "weak");
}
void IHOSBinderDriver::GetNativeHandle(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
handle_t handle = state.process->InsertItem(state.gpu->bufferEvent);
state.logger->Debug("Display Buffer Event Handle: 0x{:X}", handle);
response.copyHandles.push_back(handle);
response.Push<u32>(constant::status::Success);
}
void IHOSBinderDriver::SetDisplay(const std::string &name) {
try {
const auto type = displayTypeMap.at(name);
if (displayId == DisplayId::Null)
displayId = type;
else
throw exception("Trying to change display type from non-null type");
} catch (const std::out_of_range &) {
throw exception("The display with name: '{}' doesn't exist", name);
}
}
void IHOSBinderDriver::CloseDisplay() {
if (displayId == DisplayId::Null)
state.logger->Warn("Trying to close uninitiated display");
displayId = DisplayId::Null;
}
}

71
app/src/main/cpp/skyline/services/nvnflinger/dispdrv.h → app/src/main/cpp/skyline/services/hosbinder/IHOSBinderDriver.h
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@ -1,10 +1,12 @@
#pragma once
#include "services/base_service.h"
#include "services/serviceman.h"
#include <gpu/parcel.h>
#include <services/base_service.h>
#include <services/serviceman.h>
#include <services/common/parcel.h>
#include "buffer.h"
#include "display.h"
namespace skyline::service::nvnflinger {
namespace skyline::service::hosbinder {
/**
* @brief This enumerates the functions called by TransactParcel for android.gui.IGraphicBufferProducer
* @refitem https://android.googlesource.com/platform/frameworks/native/+/8dc5539/libs/gui/IGraphicBufferProducer.cpp#35
@ -26,10 +28,18 @@ namespace skyline::service::nvnflinger {
SetPreallocatedBuffer = 14, //!< No source on this but it's used to set a existing buffer according to libtransistor and libNX
};
/**
* @brief This represents conditions for the completion of an asynchronous graphics operation
*/
struct Fence {
u32 syncptId; //!< The ID of the syncpoint
u32 syncptValue; //!< The value of the syncpoint
};
/**
* @brief nvnflinger:dispdrv or nns::hosbinder::IHOSBinderDriver is responsible for writing buffers to the display
*/
class dispdrv : public BaseService {
class IHOSBinderDriver : public BaseService {
private:
/**
* @brief This is the structure of the parcel used for TransactionCode::Connect
@ -42,8 +52,45 @@ namespace skyline::service::nvnflinger {
u32 status; //!< The status of the buffer queue
};
std::unordered_map<u32, std::shared_ptr<Buffer>> queue; //!< A vector of shared pointers to all the queued buffers
/**
* @brief This the GbpBuffer struct of the specified buffer
*/
void RequestBuffer(Parcel &in, Parcel &out);
/**
* @brief This returns the slot of a free buffer
*/
void DequeueBuffer(Parcel &in, Parcel &out);
/**
* @brief This queues a buffer to be displayed
*/
void QueueBuffer(Parcel &in, Parcel &out);
/**
* @brief This removes a previously queued buffer
*/
void CancelBuffer(Parcel &parcel);
/**
* @brief This adds a pre-existing buffer to the queue
*/
void SetPreallocatedBuffer(Parcel &parcel);
/**
* @brief This frees a buffer which is currently queued
* @param slotNo The slot of the buffer
*/
inline void FreeBuffer(u32 slotNo) {
queue.at(slotNo)->status = BufferStatus::Free;
}
public:
dispdrv(const DeviceState &state, ServiceManager &manager);
DisplayId displayId{DisplayId::Null}; //!< The ID of this display
LayerStatus layerStatus{LayerStatus::Uninitialized}; //!< This is the status of the single layer the display has
IHOSBinderDriver(const DeviceState &state, ServiceManager &manager);
/**
* @brief This emulates the transaction of parcels between a IGraphicBufferProducer and the application (https://switchbrew.org/wiki/Nvnflinger_services#TransactParcel)
@ -59,5 +106,17 @@ namespace skyline::service::nvnflinger {
* @brief This adjusts the reference counts to the underlying binder, it is stubbed as we aren't using the real symbols (https://switchbrew.org/wiki/Nvnflinger_services#GetNativeHandle)
*/
void GetNativeHandle(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This sets displayId to a specific display type
* @param name The name of the display
* @note displayId has to be DisplayId::Null or this will throw an exception
*/
void SetDisplay(const std::string &name);
/**
* @brief This closes the display by setting displayId to DisplayId::Null
*/
void CloseDisplay();
};
}

54
app/src/main/cpp/skyline/services/hosbinder/buffer.h Normal file
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@ -0,0 +1,54 @@
#pragma once
#include <common.h>
#include <services/common/parcel.h>
#include <services/nvdrv/devices/nvmap.h>
#include <gpu.h>
namespace skyline::service::hosbinder {
/**
* @brief This struct holds information about the graphics buffer (https://github.com/reswitched/libtransistor/blob/0f0c36227842c344d163922fc98ee76229e9f0ee/lib/display/graphic_buffer_queue.c#L66)
*/
struct GbpBuffer {
u32 magic; //!< The magic of the graphics buffer: 0x47424652
u32 width; //!< The width of the buffer
u32 height; //!< The height of the buffer
u32 stride; //!< The stride of the buffer
u32 format; //!< The format of the buffer, this corresponds to AHardwareBuffer_Format
u32 usage; //!< The usage flags for the buffer
u32 _pad0_;
u32 index; //!< The index of the buffer
u32 _pad1_[3];
u32 nvmapId; //!< The ID of the buffer in regards to /dev/nvmap
u32 _pad2_[8];
u32 size; //!< The size of the buffer
u32 _pad3_[8];
u32 nvmapHandle; //!< The handle of the buffer in regards to /dev/nvmap
u32 offset; //!< This is the offset of the pixel data in the GPU Buffer
u32 _pad4_;
u32 blockHeightLog2; //!< The log2 of the block height
u32 _pad5_[58];
};
/**
* @brief The current status of a buffer
*/
enum class BufferStatus {
Free, //!< The buffer is free
Dequeued, //!< The buffer has been dequeued from the display
Queued, //!< The buffer is queued to be displayed
};
/**
* @brief This holds all relevant objects for a specific buffer
*/
class Buffer {
public:
u32 slot; //!< The slot the buffer is in
BufferStatus status{BufferStatus::Free}; //!< The status of this buffer
std::shared_ptr<gpu::PresentationTexture> texture{}; //!< The underlying PresentationTexture of this buffer
GbpBuffer gbpBuffer; //!< The GbpBuffer object for this buffer
Buffer(u32 slot, const GbpBuffer &gbpBuffer, const std::shared_ptr<gpu::PresentationTexture> &texture) : slot(slot), gbpBuffer(gbpBuffer), texture(texture) {};
};
}

36
app/src/main/cpp/skyline/services/hosbinder/display.h Normal file
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@ -0,0 +1,36 @@
#pragma once
#include <common.h>
namespace skyline::service::hosbinder {
/**
* @brief An enumeration of all the possible display IDs (https://switchbrew.org/wiki/Display_services#DisplayName)
*/
enum class DisplayId : u64 {
Default, //!< Refers to the default display used by most applications
External, //!< Refers to an external display
Edid, //!< Refers to an external display with EDID capabilities
Internal, //!< Refers to the the internal display
Null, //!< Refers to the null display which is used for discarding data
};
/**
* @brief A mapping from a display's name to it's displayType entry
*/
static const std::unordered_map <std::string, DisplayId> displayTypeMap{
{"Default", DisplayId::Default},
{"External", DisplayId::External},
{"Edid", DisplayId::Edid},
{"Internal", DisplayId::Internal},
{"Null", DisplayId::Null},
};
/**
* @brief The status of a display layer
*/
enum class LayerStatus {
Uninitialized, //!< The layer hasn't been initialized
Stray, //!< The layer has been initialized as a stray layer
Managed, //!< The layer has been initialized as a managed layer
};
}

118
app/src/main/cpp/skyline/services/nvdrv/INvDrvServices.cpp Normal file
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@ -0,0 +1,118 @@
#include "INvDrvServices.h"
#include <kernel/types/KProcess.h>
#include "devices/nvhost_ctrl.h"
#include "devices/nvhost_ctrl_gpu.h"
#include "devices/nvhost_channel.h"
#include "devices/nvhost_as_gpu.h"
namespace skyline::service::nvdrv {
u32 INvDrvServices::OpenDevice(const std::string &path) {
state.logger->Debug("Opening NVDRV device ({}): {}", fdIndex, path);
auto type = device::nvDeviceMap.at(path);
for (const auto &device : fdMap) {
if (device.second->deviceType == type) {
device.second->refCount++;
fdMap[fdIndex] = device.second;
return fdIndex++;
}
}
std::shared_ptr<device::NvDevice> object;
switch (type) {
case (device::NvDeviceType::nvhost_ctrl):
object = std::make_shared<device::NvHostCtrl>(state);
break;
case (device::NvDeviceType::nvhost_gpu):
case (device::NvDeviceType::nvhost_vic):
case (device::NvDeviceType::nvhost_nvdec):
object = std::make_shared<device::NvHostChannel>(state, type);
break;
case (device::NvDeviceType::nvhost_ctrl_gpu):
object = std::make_shared<device::NvHostCtrlGpu>(state);
break;
case (device::NvDeviceType::nvmap):
object = std::make_shared<device::NvMap>(state);
break;
case (device::NvDeviceType::nvhost_as_gpu):
object = std::make_shared<device::NvHostAsGpu>(state);
break;
default:
throw exception("Cannot find NVDRV device");
}
deviceMap[type] = object;
fdMap[fdIndex] = object;
return fdIndex++;
}
INvDrvServices::INvDrvServices(const DeviceState &state, ServiceManager &manager) : BaseService(state, manager, Service::nvdrv_INvDrvServices, "INvDrvServices", {
{0x0, SFUNC(INvDrvServices::Open)},
{0x1, SFUNC(INvDrvServices::Ioctl)},
{0x2, SFUNC(INvDrvServices::Close)},
{0x3, SFUNC(INvDrvServices::Initialize)},
{0x4, SFUNC(INvDrvServices::QueryEvent)},
{0x8, SFUNC(INvDrvServices::SetAruidByPID)}
}) {}
void INvDrvServices::Open(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto buffer = request.inputBuf.at(0);
auto path = state.process->GetString(buffer.address, buffer.size);
response.Push<u32>(OpenDevice(path));
response.Push<u32>(constant::status::Success);
}
void INvDrvServices::Ioctl(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto fd = request.Pop<u32>();
auto cmd = request.Pop<u32>();
state.logger->Debug("IOCTL on device: 0x{:X}, cmd: 0x{:X}", fd, cmd);
try {
if (request.inputBuf.empty() || request.outputBuf.empty()) {
if (request.inputBuf.empty()) {
device::IoctlData data(request.outputBuf.at(0));
fdMap.at(fd)->HandleIoctl(cmd, data);
response.Push<u32>(data.status);
} else {
device::IoctlData data(request.inputBuf.at(0));
fdMap.at(fd)->HandleIoctl(cmd, data);
response.Push<u32>(data.status);
}
} else {
device::IoctlData data(request.inputBuf.at(0), request.outputBuf.at(0));
fdMap.at(fd)->HandleIoctl(cmd, data);
response.Push<u32>(data.status);
}
} catch (const std::out_of_range &) {
throw exception("IOCTL was requested on an invalid file descriptor");
}
}
void INvDrvServices::Close(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
u32 fd = *reinterpret_cast<u32 *>(request.cmdArg);
state.logger->Debug("Closing NVDRV device ({})", fd);
try {
auto device = fdMap.at(fd);
if (!--device->refCount)
deviceMap.erase(device->deviceType);
fdMap.erase(fd);
} catch (const std::out_of_range &) {
state.logger->Warn("Trying to close non-existent FD");
}
response.Push<u32>(constant::status::Success);
}
void INvDrvServices::Initialize(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
response.Push<u32>(constant::status::Success);
}
void INvDrvServices::QueryEvent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto fd = request.Pop<u32>();
auto eventId = request.Pop<u32>();
auto event = std::make_shared<type::KEvent>(state);
auto handle = state.process->InsertItem<type::KEvent>(event);
state.logger->Debug("QueryEvent: FD: {}, Event ID: {}, Handle: {}", fd, eventId, handle);
response.copyHandles.push_back(handle);
}
void INvDrvServices::SetAruidByPID(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
response.Push<u32>(constant::status::Success);
}
}

91
app/src/main/cpp/skyline/services/nvdrv/INvDrvServices.h Normal file
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@ -0,0 +1,91 @@
#pragma once
#include <services/base_service.h>
#include <services/serviceman.h>
#include <kernel/types/KTransferMemory.h>
#include <gpu.h>
#include "devices/nvdevice.h"
namespace skyline::service::nvdrv {
/**
* @brief nvdrv or INvDrvServices is used to access the Nvidia GPU inside the Switch (https://switchbrew.org/wiki/NV_services#nvdrv.2C_nvdrv:a.2C_nvdrv:s.2C_nvdrv:t)
*/
class INvDrvServices : public BaseService {
private:
std::unordered_map<device::NvDeviceType, std::shared_ptr<device::NvDevice>> deviceMap; //!< A map from a NvDeviceType to the NvDevice object
std::unordered_map<u32, std::shared_ptr<device::NvDevice>> fdMap; //!< A map from an FD to a shared pointer to it's NvDevice object
u32 fdIndex{}; //!< Holds the index of a file descriptor
/**
* @brief Open a specific device and return a FD
* @param path The path of the device to open an FD to
* @return The file descriptor to the device
*/
u32 OpenDevice(const std::string &path);
/**
* @brief Returns a particular device with a specific FD
* @tparam objectClass The class of the device to return
* @param fd The file descriptor to retrieve
* @return A shared pointer to the device
*/
template<typename objectClass>
std::shared_ptr<objectClass> GetDevice(u32 fd) {
try {
auto item = fdMap.at(fd);
return std::static_pointer_cast<objectClass>(item);
} catch (std::out_of_range) {
throw exception("GetDevice was called with invalid file descriptor: 0x{:X}", fd);
}
}
public:
/**
* @brief Returns a particular device with a specific type
* @tparam objectClass The class of the device to return
* @param type The type of the device to return
* @return A shared pointer to the device
*/
template<typename objectClass>
std::shared_ptr<objectClass> GetDevice(device::NvDeviceType type) {
try {
auto item = deviceMap.at(type);
return std::static_pointer_cast<objectClass>(item);
} catch (std::out_of_range) {
throw exception("GetDevice was called with invalid type: 0x{:X}", type);
}
}
INvDrvServices(const DeviceState &state, ServiceManager &manager);
/**
* @brief Open a specific device and return a FD (https://switchbrew.org/wiki/NV_services#Open)
*/
void Open(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Close the specified FD (https://switchbrew.org/wiki/NV_services#Close)
*/
void Ioctl(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Close the specified FD (https://switchbrew.org/wiki/NV_services#Close)
*/
void Close(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This initializes the driver (https://switchbrew.org/wiki/NV_services#Initialize)
*/
void Initialize(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This returns a specific event from a device (https://switchbrew.org/wiki/NV_services#QueryEvent)
*/
void QueryEvent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This sets the AppletResourceUserId which matches the PID (https://switchbrew.org/wiki/NV_services#SetAruidByPID)
*/
void SetAruidByPID(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
}

2
app/src/main/cpp/skyline/gpu/devices/nvdevice.h → app/src/main/cpp/skyline/services/nvdrv/devices/nvdevice.h
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@ -5,7 +5,7 @@
#define NFUNC(function) std::bind(&function, this, std::placeholders::_1)
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
/**
* @brief An enumeration of all the devices that can be opened by nvdrv
*/

2
app/src/main/cpp/skyline/gpu/devices/nvhost_as_gpu.cpp → app/src/main/cpp/skyline/services/nvdrv/devices/nvhost_as_gpu.cpp
View File

@ -1,5 +1,5 @@
#include "nvhost_as_gpu.h"
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
NvHostAsGpu::NvHostAsGpu(const DeviceState &state) : NvDevice(state, NvDeviceType::nvhost_as_gpu, {}) {}
}

2
app/src/main/cpp/skyline/gpu/devices/nvhost_as_gpu.h → app/src/main/cpp/skyline/services/nvdrv/devices/nvhost_as_gpu.h
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@ -2,7 +2,7 @@
#include "nvdevice.h"
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
/**
* @brief NvHostAsGpu (/dev/nvhost-as-gpu) is used to access GPU virtual address spaces (https://switchbrew.org/wiki/NV_services#.2Fdev.2Fnvhost-as-gpu)
*/

14
app/src/main/cpp/skyline/gpu/devices/nvhost_channel.cpp → app/src/main/cpp/skyline/services/nvdrv/devices/nvhost_channel.cpp
View File

@ -1,7 +1,7 @@
#include "nvhost_channel.h"
#include <kernel/types/KProcess.h>
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
NvHostChannel::NvHostChannel(const DeviceState &state, NvDeviceType type) : NvDevice(state, type, {
{0x40044801, NFUNC(NvHostChannel::SetNvmapFd)},
{0xC0104809, NFUNC(NvHostChannel::AllocObjCtx)},
@ -12,15 +12,15 @@ namespace skyline::gpu::device {
{0x40084714, NFUNC(NvHostChannel::SetUserData)}
}) {}
void NvHostChannel::SetNvmapFd(skyline::gpu::device::IoctlData &buffer) {}
void NvHostChannel::SetNvmapFd(IoctlData &buffer) {}
void NvHostChannel::AllocObjCtx(skyline::gpu::device::IoctlData &buffer) {}
void NvHostChannel::AllocObjCtx(IoctlData &buffer) {}
void NvHostChannel::ZcullBind(IoctlData &buffer) {}
void NvHostChannel::SetErrorNotifier(skyline::gpu::device::IoctlData &buffer) {}
void NvHostChannel::SetErrorNotifier(IoctlData &buffer) {}
void NvHostChannel::SetPriority(skyline::gpu::device::IoctlData &buffer) {
void NvHostChannel::SetPriority(IoctlData &buffer) {
auto priority = state.process->GetObject<NvChannelPriority>(buffer.input[0].address);
switch (priority) {
case NvChannelPriority::Low:
@ -35,8 +35,8 @@ namespace skyline::gpu::device {
}
}
void NvHostChannel::AllocGpfifoEx2(skyline::gpu::device::IoctlData &buffer) {}
void NvHostChannel::AllocGpfifoEx2(IoctlData &buffer) {}
void NvHostChannel::SetUserData(skyline::gpu::device::IoctlData &buffer) {}
void NvHostChannel::SetUserData(IoctlData &buffer) {}
}

2
app/src/main/cpp/skyline/gpu/devices/nvhost_channel.h → app/src/main/cpp/skyline/services/nvdrv/devices/nvhost_channel.h
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@ -2,7 +2,7 @@
#include "nvdevice.h"
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
/**
* @brief NvHostChannel is used as a common interface for all Channel devices (https://switchbrew.org/wiki/NV_services#Channels)
*/

2
app/src/main/cpp/skyline/gpu/devices/nvhost_ctrl.cpp → app/src/main/cpp/skyline/services/nvdrv/devices/nvhost_ctrl.cpp
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@ -1,5 +1,5 @@
#include "nvhost_ctrl.h"
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
NvHostCtrl::NvHostCtrl(const DeviceState &state) : NvDevice(state, NvDeviceType::nvhost_ctrl, {}) {}
}

2
app/src/main/cpp/skyline/gpu/devices/nvhost_ctrl.h → app/src/main/cpp/skyline/services/nvdrv/devices/nvhost_ctrl.h
View File

@ -2,7 +2,7 @@
#include "nvdevice.h"
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
/**
* @brief NvHostCtrl (/dev/nvhost-ctrl) is used for GPU synchronization (https://switchbrew.org/wiki/NV_services#.2Fdev.2Fnvhost-ctrl)
*/

4
app/src/main/cpp/skyline/gpu/devices/nvhost_ctrl_gpu.cpp → app/src/main/cpp/skyline/services/nvdrv/devices/nvhost_ctrl_gpu.cpp
View File

@ -1,7 +1,7 @@
#include "nvhost_ctrl_gpu.h"
#include <kernel/types/KProcess.h>
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
NvHostCtrlGpu::NvHostCtrlGpu(const DeviceState &state) : NvDevice(state, NvDeviceType::nvhost_ctrl_gpu, {
{0x80044701, NFUNC(NvHostCtrlGpu::ZCullGetCtxSize)},
{0x80284702, NFUNC(NvHostCtrlGpu::ZCullGetInfo)},
@ -15,7 +15,7 @@ namespace skyline::gpu::device {
state.process->WriteMemory(size, buffer.output[0].address);
}
void NvHostCtrlGpu::ZCullGetInfo(skyline::gpu::device::IoctlData &buffer) {
void NvHostCtrlGpu::ZCullGetInfo(IoctlData &buffer) {
struct {
u32 widthAlignPixels{0x20};
u32 heightAlignPixels{0x20};

2
app/src/main/cpp/skyline/gpu/devices/nvhost_ctrl_gpu.h → app/src/main/cpp/skyline/services/nvdrv/devices/nvhost_ctrl_gpu.h
View File

@ -2,7 +2,7 @@
#include "nvdevice.h"
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
/**
* @brief NvHostCtrlGpu (/dev/nvhost-ctrl-gpu) is used for context independent operations on the underlying GPU (https://switchbrew.org/wiki/NV_services#.2Fdev.2Fnvhost-ctrl-gpu)
*/

8
app/src/main/cpp/skyline/gpu/devices/nvmap.cpp → app/src/main/cpp/skyline/services/nvdrv/devices/nvmap.cpp
View File

@ -1,7 +1,7 @@
#include "nvmap.h"
#include <kernel/types/KProcess.h>
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
NvMap::NvMapObject::NvMapObject(u32 id, u32 size) : id(id), size(size) {}
NvMap::NvMap(const DeviceState &state) : NvDevice(state, NvDeviceType::nvmap, {
@ -24,7 +24,7 @@ namespace skyline::gpu::device {
state.logger->Debug("Create: Input: Size: 0x{:X}, Output: Handle: 0x{:X}, Status: {}", data.size, data.handle, buffer.status);
}
void NvMap::FromId(skyline::gpu::device::IoctlData &buffer) {
void NvMap::FromId(IoctlData &buffer) {
struct Data {
u32 id; // In
u32 handle; // Out
@ -64,7 +64,7 @@ namespace skyline::gpu::device {
state.logger->Debug("Alloc: Input: Handle: 0x{:X}, HeapMask: 0x{:X}, Flags: {}, Align: 0x{:X}, Kind: {}, Address: 0x{:X}, Output: Status: {}", data.handle, data.heapMask, data.flags, data.align, data.kind, data.address, buffer.status);
}
void NvMap::Free(skyline::gpu::device::IoctlData &buffer) {
void NvMap::Free(IoctlData &buffer) {
struct Data {
u32 handle; // In
u32 _pad0_;
@ -128,7 +128,7 @@ namespace skyline::gpu::device {
state.logger->Debug("Param: Input: Handle: 0x{:X}, Parameter: {}, Output: Result: 0x{:X}, Status: {}", data.handle, data.parameter, data.result, buffer.status);
}
void NvMap::GetId(skyline::gpu::device::IoctlData &buffer) {
void NvMap::GetId(IoctlData &buffer) {
struct Data {
u32 id; // Out
u32 handle; // In

2
app/src/main/cpp/skyline/gpu/devices/nvmap.h → app/src/main/cpp/skyline/services/nvdrv/devices/nvmap.h
View File

@ -2,7 +2,7 @@
#include "nvdevice.h"
namespace skyline::gpu::device {
namespace skyline::service::nvdrv::device {
/**
* @brief NvMap (/dev/nvmap) is used to map certain CPU memory as GPU memory (https://switchbrew.org/wiki/NV_services) (https://android.googlesource.com/kernel/tegra/+/refs/heads/android-tegra-flounder-3.10-marshmallow/include/linux/nvmap.h)
*/

49
app/src/main/cpp/skyline/services/nvdrv/nvdrv.cpp
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@ -1,49 +0,0 @@
#include "nvdrv.h"
#include <kernel/types/KProcess.h>
namespace skyline::service::nvdrv {
nvdrv::nvdrv(const DeviceState &state, ServiceManager &manager) : BaseService(state, manager, Service::nvdrv, "nvdrv", {
{0x0, SFUNC(nvdrv::Open)},
{0x1, SFUNC(nvdrv::Ioctl)},
{0x2, SFUNC(nvdrv::Close)},
{0x3, SFUNC(nvdrv::Initialize)},
{0x4, SFUNC(nvdrv::QueryEvent)},
{0x8, SFUNC(nvdrv::SetAruidByPID)}
}) {}
void nvdrv::Open(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto buffer = request.inputBuf.at(0);
auto path = state.process->GetString(buffer.address, buffer.size);
response.Push<u32>(state.gpu->OpenDevice(path));
response.Push<u32>(constant::status::Success);
}
void nvdrv::Ioctl(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto fd = request.Pop<u32>();
auto cmd = request.Pop<u32>();
state.gpu->Ioctl(fd, cmd, request, response);
}
void nvdrv::Close(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
u32 fd = *reinterpret_cast<u32 *>(request.cmdArg);
state.gpu->CloseDevice(fd);
response.Push<u32>(constant::status::Success);
}
void nvdrv::Initialize(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
response.Push<u32>(constant::status::Success);
}
void nvdrv::QueryEvent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto fd = request.Pop<u32>();
auto eventId = request.Pop<u32>();
auto event = std::make_shared<type::KEvent>(state);
auto handle = state.process->InsertItem<type::KEvent>(event);
state.logger->Debug("QueryEvent: FD: {}, Event ID: {}, Handle: {}", fd, eventId, handle);
response.copyHandles.push_back(handle);
}
void nvdrv::SetAruidByPID(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
response.Push<u32>(constant::status::Success);
}
}

46
app/src/main/cpp/skyline/services/nvdrv/nvdrv.h
View File

@ -1,46 +0,0 @@
#pragma once
#include <services/base_service.h>
#include <services/serviceman.h>
#include <kernel/types/KTransferMemory.h>
#include <gpu.h>
namespace skyline::service::nvdrv {
/**
* @brief nvdrv or INvDrvServices is used to access the Nvidia GPU inside the Switch (https://switchbrew.org/wiki/NV_services#nvdrv.2C_nvdrv:a.2C_nvdrv:s.2C_nvdrv:t)
*/
class nvdrv : public BaseService {
public:
nvdrv(const DeviceState &state, ServiceManager &manager);
/**
* @brief Open a specific device and return a FD (https://switchbrew.org/wiki/NV_services#Open)
*/
void Open(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Close the specified FD (https://switchbrew.org/wiki/NV_services#Close)
*/
void Ioctl(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Close the specified FD (https://switchbrew.org/wiki/NV_services#Close)
*/
void Close(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This initializes the driver (https://switchbrew.org/wiki/NV_services#Initialize)
*/
void Initialize(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This returns a specific event from a device (https://switchbrew.org/wiki/NV_services#QueryEvent)
*/
void QueryEvent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This sets the AppletResourceUserId which matches the PID (https://switchbrew.org/wiki/NV_services#SetAruidByPID)
*/
void SetAruidByPID(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
}

70
app/src/main/cpp/skyline/services/nvnflinger/dispdrv.cpp
View File

@ -1,70 +0,0 @@
#include "dispdrv.h"
#include <kernel/types/KProcess.h>
#include <gpu.h>
namespace skyline::service::nvnflinger {
dispdrv::dispdrv(const DeviceState &state, ServiceManager &manager) : BaseService(state, manager, Service::nvnflinger_dispdrv, "nvnflinger_dispdrv", {
{0x0, SFUNC(dispdrv::TransactParcel)},
{0x1, SFUNC(dispdrv::AdjustRefcount)},
{0x2, SFUNC(dispdrv::GetNativeHandle)},
{0x3, SFUNC(dispdrv::TransactParcel)}
}) {}
void dispdrv::TransactParcel(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto layerId = request.Pop<u32>();
auto code = request.Pop<TransactionCode>();
gpu::Parcel in(request.inputBuf.at(0), state);
gpu::Parcel out(state);
state.logger->Debug("TransactParcel: Layer ID: {}, Code: {}", layerId, code);
switch (code) {
case TransactionCode::RequestBuffer:
state.gpu->bufferQueue.RequestBuffer(in, out);
break;
case TransactionCode::DequeueBuffer:
state.gpu->bufferQueue.DequeueBuffer(in, out);
break;
case TransactionCode::QueueBuffer:
state.gpu->bufferQueue.QueueBuffer(in, out);
break;
case TransactionCode::CancelBuffer:
state.gpu->bufferQueue.CancelBuffer(in);
break;
case TransactionCode::Query:
out.WriteData<u64>(0);
break;
case TransactionCode::Connect: {
ConnectParcel connect = {
.width = constant::HandheldResolutionW,
.height = constant::HandheldResolutionH,
.transformHint = 0,
.pendingBuffers = 0,
.status = constant::status::Success,
};
out.WriteData(connect);
break;
}
case TransactionCode::Disconnect:
break;
case TransactionCode::SetPreallocatedBuffer:
state.gpu->bufferQueue.SetPreallocatedBuffer(in);
break;
default:
throw exception("An unimplemented transaction was called: {}", static_cast<u32>(code));
}
out.WriteParcel(request.outputBuf.at(0));
}
void dispdrv::AdjustRefcount(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
request.Skip<u32>();
auto addVal = request.Pop<i32>();
auto type = request.Pop<i32>();
state.logger->Debug("Reference Change: {} {} reference", addVal, type ? "strong" : "weak");
}
void dispdrv::GetNativeHandle(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
handle_t handle = state.process->InsertItem(state.gpu->bufferEvent);
state.logger->Debug("Display Buffer Event Handle: 0x{:X}", handle);
response.copyHandles.push_back(handle);
response.Push<u32>(constant::status::Success);
}
}

29
app/src/main/cpp/skyline/services/serviceman.cpp
View File

@ -10,16 +10,17 @@
#include "hid/IHidServer.h"
#include "timesrv/IStaticService.h"
#include "fssrv/IFileSystemProxy.h"
#include "nvdrv/nvdrv.h"
#include "vi/vi_m.h"
#include "services/nvdrv/INvDrvServices.h"
#include "visrv/IManagerRootService.h"
#include "serviceman.h"
namespace skyline::service {
ServiceManager::ServiceManager(const DeviceState &state) : state(state) {}
std::shared_ptr<BaseService> ServiceManager::GetService(const Service serviceType) {
if (serviceMap.count(serviceType))
return serviceMap.at(serviceType);
std::shared_ptr<BaseService> ServiceManager::CreateService(const Service serviceType) {
auto serviceIter = serviceMap.find(serviceType);
if (serviceIter != serviceMap.end())
return (*serviceIter).second;
std::shared_ptr<BaseService> serviceObj;
switch (serviceType) {
@ -56,14 +57,14 @@ namespace skyline::service {
case Service::fssrv_IFileSystemProxy:
serviceObj = std::make_shared<fssrv::IFileSystemProxy>(state, *this);
break;
case Service::nvdrv:
serviceObj = std::make_shared<nvdrv::nvdrv>(state, *this);
case Service::nvdrv_INvDrvServices:
serviceObj = std::make_shared<nvdrv::INvDrvServices>(state, *this);
break;
case Service::vi_m:
serviceObj = std::make_shared<vi::vi_m>(state, *this);
case Service::visrv_IManagerRootService:
serviceObj = std::make_shared<visrv::IManagerRootService>(state, *this);
break;
default:
throw exception("GetService called on missing object, type: {}", serviceType);
throw exception("CreateService called on missing object, type: {}", serviceType);
}
serviceMap[serviceType] = serviceObj;
return serviceObj;
@ -71,12 +72,12 @@ namespace skyline::service {
handle_t ServiceManager::NewSession(const Service serviceType) {
std::lock_guard serviceGuard(mutex);
return state.process->NewHandle<type::KSession>(GetService(serviceType)).handle;
return state.process->NewHandle<type::KSession>(CreateService(serviceType)).handle;
}
std::shared_ptr<BaseService> ServiceManager::NewService(const std::string &serviceName, type::KSession &session, ipc::IpcResponse &response) {
std::lock_guard serviceGuard(mutex);
auto serviceObject = GetService(ServiceString.at(serviceName));
auto serviceObject = CreateService(ServiceString.at(serviceName));
handle_t handle{};
if (response.isDomain) {
session.domainTable[++session.handleIndex] = serviceObject;
@ -90,7 +91,7 @@ namespace skyline::service {
return serviceObject;
}
void ServiceManager::RegisterService(std::shared_ptr<BaseService> serviceObject, type::KSession &session, ipc::IpcResponse &response) { // NOLINT(performance-unnecessary-value-param)
void ServiceManager::RegisterService(std::shared_ptr<BaseService> serviceObject, type::KSession &session, ipc::IpcResponse &response, bool submodule) { // NOLINT(performance-unnecessary-value-param)
std::lock_guard serviceGuard(mutex);
handle_t handle{};
if (response.isDomain) {
@ -101,6 +102,8 @@ namespace skyline::service {
handle = state.process->NewHandle<type::KSession>(serviceObject).handle;
response.moveHandles.push_back(handle);
}
if(!submodule)
serviceMap[serviceObject->serviceType] = serviceObject;
state.logger->Debug("Service has been registered: \"{}\" (0x{:X})", serviceObject->serviceName, handle);
}

17
app/src/main/cpp/skyline/services/serviceman.h
View File

@ -15,10 +15,11 @@ namespace skyline::service {
skyline::Mutex mutex; //!< This mutex is used to ensure concurrent access to services doesn't cause crashes
/**
* @brief Creates an instance of the service if it doesn't already exist, otherwise returns an existing instance
* @param serviceType The type of service requested
* @return A shared pointer to an instance of the service
*/
std::shared_ptr<BaseService> GetService(const Service serviceType);
std::shared_ptr<BaseService> CreateService(const Service serviceType);
public:
/**
@ -46,8 +47,20 @@ namespace skyline::service {
* @param serviceObject An instance of the service
* @param session The session object of the command
* @param response The response object to write the handle or virtual handle to
* @param submodule If the registered service is a submodule or not
*/
void RegisterService(std::shared_ptr<BaseService> serviceObject, type::KSession &session, ipc::IpcResponse &response);
void RegisterService(std::shared_ptr<BaseService> serviceObject, type::KSession &session, ipc::IpcResponse &response, bool submodule = true);
/**
* @param serviceType The type of the service
* @tparam The class of the service
* @return A shared pointer to an instance of the service
* @note This only works for services created with `NewService` as sub-interfaces used with `RegisterService` can have multiple instances
*/
template<typename Type>
inline std::shared_ptr<Type> GetService(const Service serviceType) {
return std::static_pointer_cast<Type>(serviceMap.at(serviceType));
}
/**
* @brief Closes an existing session to a service

146
app/src/main/cpp/skyline/services/vi/vi_m.cpp
View File

@ -1,146 +0,0 @@
#include "vi_m.h"
#include <kernel/types/KProcess.h>
#include <services/nvnflinger/dispdrv.h>
#include <gpu/display.h>
namespace skyline::service::vi {
vi_m::vi_m(const DeviceState &state, ServiceManager &manager) : BaseService(state, manager, Service::nvdrv, "nvdrv", {
{0x2, SFUNC(vi_m::GetDisplayService)}
}) {}
void vi_m::GetDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(IApplicationDisplayService), session, response);
}
IDisplayService::IDisplayService(const DeviceState &state, ServiceManager &manager, const Service serviceType, const std::string &serviceName, const std::unordered_map<u32, std::function<void(type::KSession &, ipc::IpcRequest &, ipc::IpcResponse &)>> &vTable) : BaseService(state, manager, serviceType, serviceName, vTable) {}
void IDisplayService::CreateStrayLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
state.logger->Debug("Creating Stray Layer");
response.Push<u64>(0); // There's only one layer
gpu::Parcel parcel(state);
LayerParcel data{
.type = 0x20,
.pid = 0,
.bufferId = 0, // As we only have one layer and buffer
.string = "dispdrv"
};
parcel.WriteData(data);
response.Push<u64>(parcel.WriteParcel(request.outputBuf.at(0)));
}
IApplicationDisplayService::IApplicationDisplayService(const DeviceState &state, ServiceManager &manager) : IDisplayService(state, manager, Service::vi_IApplicationDisplayService, "vi:IApplicationDisplayService", {
{0x64, SFUNC(IApplicationDisplayService::GetRelayService)},
{0x65, SFUNC(IApplicationDisplayService::GetSystemDisplayService)},
{0x66, SFUNC(IApplicationDisplayService::GetManagerDisplayService)},
{0x67, SFUNC(IApplicationDisplayService::GetIndirectDisplayTransactionService)},
{0x3F2, SFUNC(IApplicationDisplayService::OpenDisplay)},
{0x3FC, SFUNC(IApplicationDisplayService::CloseDisplay)},
{0x7E4, SFUNC(IApplicationDisplayService::OpenLayer)},
{0x7E5, SFUNC(IApplicationDisplayService::CloseLayer)},
{0x835, SFUNC(IApplicationDisplayService::SetLayerScalingMode)},
{0x1452, SFUNC(IApplicationDisplayService::GetDisplayVsyncEvent)},
}) {}
void IApplicationDisplayService::GetRelayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(nvnflinger::dispdrv), session, response);
}
void IApplicationDisplayService::GetIndirectDisplayTransactionService(skyline::kernel::type::KSession &session, skyline::kernel::ipc::IpcRequest &request, skyline::kernel::ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(nvnflinger::dispdrv), session, response);
}
void IApplicationDisplayService::GetSystemDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(ISystemDisplayService), session, response);
}
void IApplicationDisplayService::GetManagerDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(IManagerDisplayService), session, response);
}
void IApplicationDisplayService::OpenDisplay(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
std::string displayName(reinterpret_cast<char *>(request.cmdArg));
state.logger->Debug("Setting display as: {}", displayName);
state.gpu->SetDisplay(displayName);
response.Push<u64>(0); // There's only one display
}
void IApplicationDisplayService::CloseDisplay(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
state.logger->Debug("Closing the display");
state.gpu->CloseDisplay();
}
void IApplicationDisplayService::OpenLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
struct InputStruct {
char displayName[0x40];
u64 layerId;
u64 userId;
} input = request.Pop<InputStruct>();
state.logger->Debug("Opening Layer: Display Name: {}, Layer ID: {}, User ID: {}", input.displayName, input.layerId, input.userId);
std::string name(input.displayName);
gpu::Parcel parcel(state);
LayerParcel data{
.type = 0x20,
.pid = 0,
.bufferId = 0, // As we only have one layer and buffer
.string = "dispdrv"
};
parcel.WriteData(data);
parcel.objects.resize(4);
response.Push(parcel.WriteParcel(request.outputBuf.at(0)));
}
void IApplicationDisplayService::CloseLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
u64 layerId = request.Pop<u64>();
state.logger->Debug("Closing Layer: {}", layerId);
if (state.gpu->layerStatus == gpu::LayerStatus::Uninitialized)
state.logger->Warn("The application is destroying an uninitialized layer");
state.gpu->layerStatus = gpu::LayerStatus::Uninitialized;
response.Push<u32>(constant::status::Success);
}
void IApplicationDisplayService::SetLayerScalingMode(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto scalingMode = request.Pop<u64>();
auto layerId = request.Pop<u64>();
state.logger->Debug("Setting Layer Scaling mode to '{}' for layer {}", scalingMode, layerId);
}
void IApplicationDisplayService::GetDisplayVsyncEvent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
handle_t handle = state.process->InsertItem(state.gpu->vsyncEvent);
state.logger->Debug("VSync Event Handle: 0x{:X}", handle);
response.copyHandles.push_back(handle);
}
ISystemDisplayService::ISystemDisplayService(const DeviceState &state, ServiceManager &manager) : IDisplayService(state, manager, Service::vi_ISystemDisplayService, "vi:ISystemDisplayService", {
{0x89D, SFUNC(ISystemDisplayService::SetLayerZ)},
{0x908, SFUNC(IDisplayService::CreateStrayLayer)}
}) {}
void ISystemDisplayService::SetLayerZ(skyline::kernel::type::KSession &session, skyline::kernel::ipc::IpcRequest &request, skyline::kernel::ipc::IpcResponse &response) {}
IManagerDisplayService::IManagerDisplayService(const DeviceState &state, ServiceManager &manager) : IDisplayService(state, manager, Service::vi_IManagerDisplayService, "vi:IManagerDisplayService", {
{0x7DA, SFUNC(IManagerDisplayService::CreateManagedLayer)},
{0x7DB, SFUNC(IManagerDisplayService::DestroyManagedLayer)},
{0x7DC, SFUNC(IDisplayService::CreateStrayLayer)},
{0x1770, SFUNC(IManagerDisplayService::AddToLayerStack)}
}) {}
void IManagerDisplayService::CreateManagedLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
request.Skip<u32>();
u64 displayId = request.Pop<u64>();
state.logger->Debug("Creating Managed Layer: {}", displayId);
if (state.gpu->layerStatus == gpu::LayerStatus::Initialized)
throw exception("The application is creating more than one layer");
state.gpu->layerStatus = gpu::LayerStatus::Initialized;
response.Push<u64>(0); // There's only one layer
}
void IManagerDisplayService::DestroyManagedLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
state.logger->Debug("Destroying managed layer");
if (state.gpu->layerStatus == gpu::LayerStatus::Uninitialized)
state.logger->Warn("The application is destroying an uninitialized layer");
state.gpu->layerStatus = gpu::LayerStatus::Uninitialized;
response.Push<u32>(constant::status::Success);
}
void IManagerDisplayService::AddToLayerStack(skyline::kernel::type::KSession &session, skyline::kernel::ipc::IpcRequest &request, skyline::kernel::ipc::IpcResponse &response) {}
}

142
app/src/main/cpp/skyline/services/vi/vi_m.h
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@ -1,142 +0,0 @@
#pragma once
#include <services/base_service.h>
#include <services/serviceman.h>
#include <gpu.h>
#include <gpu/parcel.h>
namespace skyline::service::vi {
/**
* @brief This service is used to get an handle to #IApplicationDisplayService (https://switchbrew.org/wiki/Display_services#vi:m)
*/
class vi_m : public BaseService {
public:
vi_m(const DeviceState &state, ServiceManager &manager);
/**
* @brief This returns an handle to #IApplicationDisplayService (https://switchbrew.org/wiki/Display_services#GetDisplayService)
*/
void GetDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
/**
* @brief This is the base class for all IDisplayService variants with common functions
*/
class IDisplayService : public BaseService {
protected:
/**
* @brief This is the format of the parcel used in OpenLayer/CreateStrayLayer
*/
struct LayerParcel {
u32 type; //!< The type of the layer
u32 pid; //!< The PID that the layer belongs to
u32 bufferId; //!< The buffer ID of the layer
u32 _pad0_[3];
u8 string[0x8]; //!< "dispdrv"
u64 _pad1_;
};
static_assert(sizeof(LayerParcel) == 0x28);
public:
IDisplayService(const DeviceState &state, ServiceManager &manager, const Service serviceType, const std::string &serviceName, const std::unordered_map<u32, std::function<void(type::KSession &, ipc::IpcRequest &, ipc::IpcResponse &)>> &vTable);
/**
* @brief This takes a display's ID and returns a layer ID and the corresponding buffer ID
*/
void CreateStrayLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
/**
* @brief This service is used to access the display (https://switchbrew.org/wiki/Display_services#IApplicationDisplayService)
*/
class IApplicationDisplayService : public IDisplayService {
public:
IApplicationDisplayService(const DeviceState &state, ServiceManager &manager);
/**
* @brief Returns an handle to the 'nvnflinger' service (https://switchbrew.org/wiki/Display_services#GetRelayService)
*/
void GetRelayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Returns an handle to the 'nvnflinger' service (https://switchbrew.org/wiki/Display_services#GetIndirectDisplayTransactionService)
*/
void GetIndirectDisplayTransactionService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Returns an handle to #ISystemDisplayService (https://switchbrew.org/wiki/Display_services#GetSystemDisplayService)
*/
void GetSystemDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Returns an handle to #IManagerDisplayService (https://switchbrew.org/wiki/Display_services#GetManagerDisplayService)
*/
void GetManagerDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Opens up a display using it's name as the input (https://switchbrew.org/wiki/Display_services#OpenDisplay)
*/
void OpenDisplay(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Closes an open display using it's ID (https://switchbrew.org/wiki/Display_services#CloseDisplay)
*/
void CloseDisplay(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Opens a specific layer on a display (https://switchbrew.org/wiki/Display_services#OpenLayer)
*/
void OpenLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Closes a specific layer on a display (https://switchbrew.org/wiki/Display_services#CloseLayer)
*/
void CloseLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Sets the scaling mode for a window, this is not required by emulators (https://switchbrew.org/wiki/Display_services#SetLayerScalingMode)
*/
void SetLayerScalingMode(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Returns a handle to a KEvent which is triggered every time a frame is drawn (https://switchbrew.org/wiki/Display_services#GetDisplayVsyncEvent)
*/
void GetDisplayVsyncEvent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
/**
* @brief This service retrieves information about a display in context of the entire system (https://switchbrew.org/wiki/Display_services#ISystemDisplayService)
*/
class ISystemDisplayService : public IDisplayService {
public:
ISystemDisplayService(const DeviceState &state, ServiceManager &manager);
/**
* @brief Sets the Z index of a layer
*/
void SetLayerZ(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
/**
* @brief This service retrieves information about a display in context of the entire system (https://switchbrew.org/wiki/Display_services#IManagerDisplayService)
*/
class IManagerDisplayService : public IDisplayService {
public:
IManagerDisplayService(const DeviceState &state, ServiceManager &manager);
/**
* @brief Creates a managed layer on a specific display
*/
void CreateManagedLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Destroys a managed layer created on a specific display
*/
void DestroyManagedLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This takes a layer's ID and adds it to the layer stack
*/
void AddToLayerStack(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
}

95
app/src/main/cpp/skyline/services/visrv/IApplicationDisplayService.cpp Normal file
View File

@ -0,0 +1,95 @@
#include <os.h>
#include <kernel/types/KProcess.h>
#include <services/hosbinder/IHOSBinderDriver.h>
#include "IApplicationDisplayService.h"
#include "ISystemDisplayService.h"
#include "IManagerDisplayService.h"
namespace skyline::service::visrv {
IApplicationDisplayService::IApplicationDisplayService(const DeviceState &state, ServiceManager &manager) : IDisplayService(state, manager, Service::visrv_IApplicationDisplayService, "visrv:IApplicationDisplayService", {
{0x64, SFUNC(IApplicationDisplayService::GetRelayService)},
{0x65, SFUNC(IApplicationDisplayService::GetSystemDisplayService)},
{0x66, SFUNC(IApplicationDisplayService::GetManagerDisplayService)},
{0x67, SFUNC(IApplicationDisplayService::GetIndirectDisplayTransactionService)},
{0x3F2, SFUNC(IApplicationDisplayService::OpenDisplay)},
{0x3FC, SFUNC(IApplicationDisplayService::CloseDisplay)},
{0x7E4, SFUNC(IApplicationDisplayService::OpenLayer)},
{0x7E5, SFUNC(IApplicationDisplayService::CloseLayer)},
{0x7EE, SFUNC(IDisplayService::CreateStrayLayer)},
{0x7EF, SFUNC(IDisplayService::DestroyStrayLayer)},
{0x835, SFUNC(IApplicationDisplayService::SetLayerScalingMode)},
{0x1452, SFUNC(IApplicationDisplayService::GetDisplayVsyncEvent)},
}) {}
void IApplicationDisplayService::GetRelayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(hosbinder::IHOSBinderDriver), session, response, false);
}
void IApplicationDisplayService::GetIndirectDisplayTransactionService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(hosbinder::IHOSBinderDriver), session, response, false);
}
void IApplicationDisplayService::GetSystemDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(ISystemDisplayService), session, response);
}
void IApplicationDisplayService::GetManagerDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(IManagerDisplayService), session, response);
}
void IApplicationDisplayService::OpenDisplay(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
std::string displayName(reinterpret_cast<char *>(request.cmdArg));
state.logger->Debug("Setting display as: {}", displayName);
state.os->serviceManager.GetService<hosbinder::IHOSBinderDriver>(Service::hosbinder_IHOSBinderDriver)->SetDisplay(displayName);
response.Push<u64>(0); // There's only one display
}
void IApplicationDisplayService::CloseDisplay(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
state.logger->Debug("Closing the display");
state.os->serviceManager.GetService<hosbinder::IHOSBinderDriver>(Service::hosbinder_IHOSBinderDriver)->CloseDisplay();
}
void IApplicationDisplayService::OpenLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
struct InputStruct {
char displayName[0x40];
u64 layerId;
u64 userId;
} input = request.Pop<InputStruct>();
state.logger->Debug("Opening Layer: Display Name: {}, Layer ID: {}, User ID: {}", input.displayName, input.layerId, input.userId);
std::string name(input.displayName);
Parcel parcel(state);
LayerParcel data{
.type = 0x20,
.pid = 0,
.bufferId = 0, // As we only have one layer and buffer
.string = "dispdrv"
};
parcel.WriteData(data);
parcel.objects.resize(4);
response.Push(parcel.WriteParcel(request.outputBuf.at(0)));
}
void IApplicationDisplayService::CloseLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
u64 layerId = request.Pop<u64>();
state.logger->Debug("Closing Layer: {}", layerId);
auto hosBinder = state.os->serviceManager.GetService<hosbinder::IHOSBinderDriver>(Service::hosbinder_IHOSBinderDriver);
if (hosBinder->layerStatus == hosbinder::LayerStatus::Uninitialized)
state.logger->Warn("The application is destroying an uninitialized layer");
hosBinder->layerStatus = hosbinder::LayerStatus::Uninitialized;
response.Push<u32>(constant::status::Success);
}
void IApplicationDisplayService::SetLayerScalingMode(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto scalingMode = request.Pop<u64>();
auto layerId = request.Pop<u64>();
state.logger->Debug("Setting Layer Scaling mode to '{}' for layer {}", scalingMode, layerId);
}
void IApplicationDisplayService::GetDisplayVsyncEvent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
handle_t handle = state.process->InsertItem(state.gpu->vsyncEvent);
state.logger->Debug("VSync Event Handle: 0x{:X}", handle);
response.copyHandles.push_back(handle);
}
}

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#pragma once
#include "IDisplayService.h"
namespace skyline::service::visrv {
/**
* @brief This service is used to access the display (https://switchbrew.org/wiki/Display_services#IApplicationDisplayService)
*/
class IApplicationDisplayService : public IDisplayService {
public:
IApplicationDisplayService(const DeviceState &state, ServiceManager &manager);
/**
* @brief Returns an handle to the 'nvnflinger' service (https://switchbrew.org/wiki/Display_services#GetRelayService)
*/
void GetRelayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Returns an handle to the 'nvnflinger' service (https://switchbrew.org/wiki/Display_services#GetIndirectDisplayTransactionService)
*/
void GetIndirectDisplayTransactionService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Returns an handle to #ISystemDisplayService (https://switchbrew.org/wiki/Display_services#GetSystemDisplayService)
*/
void GetSystemDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Returns an handle to #IManagerDisplayService (https://switchbrew.org/wiki/Display_services#GetManagerDisplayService)
*/
void GetManagerDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Opens up a display using it's name as the input (https://switchbrew.org/wiki/Display_services#OpenDisplay)
*/
void OpenDisplay(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Closes an open display using it's ID (https://switchbrew.org/wiki/Display_services#CloseDisplay)
*/
void CloseDisplay(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Opens a specific layer on a display (https://switchbrew.org/wiki/Display_services#OpenLayer)
*/
void OpenLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Closes a specific layer on a display (https://switchbrew.org/wiki/Display_services#CloseLayer)
*/
void CloseLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Sets the scaling mode for a window, this is not required by emulators (https://switchbrew.org/wiki/Display_services#SetLayerScalingMode)
*/
void SetLayerScalingMode(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Returns a handle to a KEvent which is triggered every time a frame is drawn (https://switchbrew.org/wiki/Display_services#GetDisplayVsyncEvent)
*/
void GetDisplayVsyncEvent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
}

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#include <os.h>
#include <services/hosbinder/IHOSBinderDriver.h>
#include <services/hosbinder/display.h>
#include "IDisplayService.h"
namespace skyline::service::visrv {
IDisplayService::IDisplayService(const DeviceState &state, ServiceManager &manager, const Service serviceType, const std::string &serviceName, const std::unordered_map<u32, std::function<void(type::KSession &, ipc::IpcRequest &, ipc::IpcResponse &)>> &vTable) : BaseService(state, manager, serviceType, serviceName, vTable) {}
void IDisplayService::CreateStrayLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
request.Skip<u32>();
auto displayId = request.Pop<u64>();
state.logger->Debug("Creating Stray Layer on Display: {}", displayId);
auto hosBinder = state.os->serviceManager.GetService<hosbinder::IHOSBinderDriver>(Service::hosbinder_IHOSBinderDriver);
if (hosBinder->layerStatus == hosbinder::LayerStatus::Stray)
throw exception("The application is creating more than one stray layer");
hosBinder->layerStatus = hosbinder::LayerStatus::Stray;
response.Push<u64>(0); // There's only one layer
Parcel parcel(state);
LayerParcel data{
.type = 0x20,
.pid = 0,
.bufferId = 0, // As we only have one layer and buffer
.string = "dispdrv"
};
parcel.WriteData(data);
response.Push<u64>(parcel.WriteParcel(request.outputBuf.at(0)));
}
void IDisplayService::DestroyStrayLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto layerId = request.Pop<u64>();
state.logger->Debug("Destroying Stray Layer: {}", layerId);
auto hosBinder = state.os->serviceManager.GetService<hosbinder::IHOSBinderDriver>(Service::hosbinder_IHOSBinderDriver);
if (hosBinder->layerStatus == hosbinder::LayerStatus::Uninitialized)
state.logger->Warn("The application is destroying an uninitialized layer");
hosBinder->layerStatus = hosbinder::LayerStatus::Uninitialized;
}
}

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#pragma once
#include <services/base_service.h>
#include <services/serviceman.h>
#include <services/common/parcel.h>
namespace skyline::service::visrv {
/**
* @brief This is the base class for all IDisplayService variants with common functions
*/
class IDisplayService : public BaseService {
protected:
/**
* @brief This is the format of the parcel used in OpenLayer/CreateStrayLayer
*/
struct LayerParcel {
u32 type; //!< The type of the layer
u32 pid; //!< The PID that the layer belongs to
u32 bufferId; //!< The buffer ID of the layer
u32 _pad0_[3];
u8 string[0x8]; //!< "dispdrv"
u64 _pad1_;
};
static_assert(sizeof(LayerParcel) == 0x28);
public:
IDisplayService(const DeviceState &state, ServiceManager &manager, const Service serviceType, const std::string &serviceName, const std::unordered_map <u32, std::function<void(type::KSession & , ipc::IpcRequest & , ipc::IpcResponse & )>> &vTable);
/**
* @brief This creates a stray layer using a display's ID and returns a layer ID and the corresponding buffer ID
*/
void CreateStrayLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This takes a layer ID and destroys the corresponding stray layer
*/
void DestroyStrayLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
}

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#include <os.h>
#include <services/hosbinder/IHOSBinderDriver.h>
#include <services/hosbinder/display.h>
#include "IManagerDisplayService.h"
namespace skyline::service::visrv {
IManagerDisplayService::IManagerDisplayService(const DeviceState &state, ServiceManager &manager) : IDisplayService(state, manager, Service::visrv_IManagerDisplayService, "visrv:IManagerDisplayService", {
{0x7DA, SFUNC(IManagerDisplayService::CreateManagedLayer)},
{0x7DB, SFUNC(IManagerDisplayService::DestroyManagedLayer)},
{0x7DC, SFUNC(IDisplayService::CreateStrayLayer)},
{0x1770, SFUNC(IManagerDisplayService::AddToLayerStack)}
}) {}
void IManagerDisplayService::CreateManagedLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
request.Skip<u32>();
auto displayId = request.Pop<u64>();
state.logger->Debug("Creating Managed Layer on Display: {}", displayId);
auto hosBinder = state.os->serviceManager.GetService<hosbinder::IHOSBinderDriver>(Service::hosbinder_IHOSBinderDriver);
if (hosBinder->layerStatus != hosbinder::LayerStatus::Uninitialized)
throw exception("The application is creating more than one layer");
hosBinder->layerStatus = hosbinder::LayerStatus::Managed;
response.Push<u64>(0); // There's only one layer
}
void IManagerDisplayService::DestroyManagedLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
auto layerId = request.Pop<u64>();
state.logger->Debug("Destroying Managed Layer: {}", layerId);
auto hosBinder = state.os->serviceManager.GetService<hosbinder::IHOSBinderDriver>(Service::hosbinder_IHOSBinderDriver);
if (hosBinder->layerStatus == hosbinder::LayerStatus::Uninitialized)
state.logger->Warn("The application is destroying an uninitialized layer");
hosBinder->layerStatus = hosbinder::LayerStatus::Uninitialized;
}
void IManagerDisplayService::AddToLayerStack(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {}
}

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#pragma once
#include "IDisplayService.h"
namespace skyline::service::visrv {
/**
* @brief This service retrieves information about a display in context of the entire system (https://switchbrew.org/wiki/Display_services#IManagerDisplayService)
*/
class IManagerDisplayService : public IDisplayService {
public:
IManagerDisplayService(const DeviceState &state, ServiceManager &manager);
/**
* @brief Creates a managed layer on a specific display
*/
void CreateManagedLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief Destroys a managed layer created on a specific display
*/
void DestroyManagedLayer(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
/**
* @brief This takes a layer's ID and adds it to the layer stack
*/
void AddToLayerStack(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
}

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app/src/main/cpp/skyline/services/visrv/IManagerRootService.cpp Normal file
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#include "IManagerRootService.h"
#include <kernel/types/KProcess.h>
#include "IApplicationDisplayService.h"
namespace skyline::service::visrv {
IManagerRootService::IManagerRootService(const DeviceState &state, ServiceManager &manager) : BaseService(state, manager, Service::visrv_IManagerRootService, "visrv:IManagerRootService", {
{0x2, SFUNC(IManagerRootService::GetDisplayService)}
}) {}
void IManagerRootService::GetDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
manager.RegisterService(SRVREG(IApplicationDisplayService), session, response);
}
}

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#pragma once
#include <services/base_service.h>
#include <services/serviceman.h>
#include <gpu.h>
namespace skyline::service::visrv {
/**
* @brief This service is used to get an handle to #IApplicationDisplayService (https://switchbrew.org/wiki/Display_services#vi:m)
*/
class IManagerRootService : public BaseService {
public:
IManagerRootService(const DeviceState &state, ServiceManager &manager);
/**
* @brief This returns an handle to #IApplicationDisplayService (https://switchbrew.org/wiki/Display_services#GetDisplayService)
*/
void GetDisplayService(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
}

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app/src/main/cpp/skyline/services/visrv/ISystemDisplayService.cpp Normal file
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#include "ISystemDisplayService.h"
namespace skyline::service::visrv {
ISystemDisplayService::ISystemDisplayService(const DeviceState &state, ServiceManager &manager) : IDisplayService(state, manager, Service::visrv_ISystemDisplayService, "visrv:ISystemDisplayService", {
{0x89D, SFUNC(ISystemDisplayService::SetLayerZ)},
{0x908, SFUNC(IDisplayService::CreateStrayLayer)}
}) {}
void ISystemDisplayService::SetLayerZ(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {}
}

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#pragma once
#include "IDisplayService.h"
namespace skyline::service::visrv {
/**
* @brief This service retrieves information about a display in context of the entire system (https://switchbrew.org/wiki/Display_services#ISystemDisplayService)
*/
class ISystemDisplayService : public IDisplayService {
public:
ISystemDisplayService(const DeviceState &state, ServiceManager &manager);
/**
* @brief Sets the Z index of a layer
*/
void SetLayerZ(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
};
}