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ryujinx-final/Ryujinx.HLE/HOS/Services/Vi/RootService/IApplicationDisplayService.cs

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C#
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using Ryujinx.Cpu;
using Ryujinx.HLE.HOS.Ipc;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Services.SurfaceFlinger;
using Ryujinx.HLE.HOS.Services.Vi.RootService.ApplicationDisplayService;
using System;
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using System.Text;
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namespace Ryujinx.HLE.HOS.Services.Vi.RootService
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{
class IApplicationDisplayService : IpcService
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{
private IdDictionary _displays;
public IApplicationDisplayService()
{
_displays = new IdDictionary();
}
[Command(100)]
// GetRelayService() -> object<nns::hosbinder::IHOSBinderDriver>
public ResultCode GetRelayService(ServiceCtx context)
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{
MakeObject(context, new HOSBinderDriverServer());
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return ResultCode.Success;
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}
[Command(101)]
// GetSystemDisplayService() -> object<nn::visrv::sf::ISystemDisplayService>
public ResultCode GetSystemDisplayService(ServiceCtx context)
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{
MakeObject(context, new ISystemDisplayService(this));
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return ResultCode.Success;
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}
[Command(102)]
// GetManagerDisplayService() -> object<nn::visrv::sf::IManagerDisplayService>
public ResultCode GetManagerDisplayService(ServiceCtx context)
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{
MakeObject(context, new IManagerDisplayService(this));
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return ResultCode.Success;
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}
[Command(103)] // 2.0.0+
// GetIndirectDisplayTransactionService() -> object<nns::hosbinder::IHOSBinderDriver>
public ResultCode GetIndirectDisplayTransactionService(ServiceCtx context)
{
MakeObject(context, new HOSBinderDriverServer());
return ResultCode.Success;
}
[Command(1000)]
// ListDisplays() -> (u64, buffer<nn::vi::DisplayInfo, 6>)
public ResultCode ListDisplays(ServiceCtx context)
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{
long recBuffPtr = context.Request.ReceiveBuff[0].Position;
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MemoryHelper.FillWithZeros(context.Memory, recBuffPtr, 0x60);
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// Add only the default display to buffer
context.Memory.Write((ulong)recBuffPtr, Encoding.ASCII.GetBytes("Default"));
context.Memory.Write((ulong)recBuffPtr + 0x40, 0x1L);
context.Memory.Write((ulong)recBuffPtr + 0x48, 0x1L);
context.Memory.Write((ulong)recBuffPtr + 0x50, 1280L);
context.Memory.Write((ulong)recBuffPtr + 0x58, 720L);
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context.ResponseData.Write(1L);
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return ResultCode.Success;
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}
[Command(1010)]
// OpenDisplay(nn::vi::DisplayName) -> u64
public ResultCode OpenDisplay(ServiceCtx context)
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{
string name = GetDisplayName(context);
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long displayId = _displays.Add(new Display(name));
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context.ResponseData.Write(displayId);
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return ResultCode.Success;
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}
[Command(1020)]
// CloseDisplay(u64)
public ResultCode CloseDisplay(ServiceCtx context)
{
int displayId = context.RequestData.ReadInt32();
_displays.Delete(displayId);
return ResultCode.Success;
}
[Command(1102)]
// GetDisplayResolution(u64) -> (u64, u64)
public ResultCode GetDisplayResolution(ServiceCtx context)
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{
long displayId = context.RequestData.ReadInt32();
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context.ResponseData.Write(1280);
context.ResponseData.Write(720);
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return ResultCode.Success;
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}
[Command(2020)]
// OpenLayer(nn::vi::DisplayName, u64, nn::applet::AppletResourceUserId, pid) -> (u64, buffer<bytes, 6>)
public ResultCode OpenLayer(ServiceCtx context)
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{
// TODO: support multi display.
byte[] displayName = context.RequestData.ReadBytes(0x40);
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long layerId = context.RequestData.ReadInt64();
long userId = context.RequestData.ReadInt64();
long parcelPtr = context.Request.ReceiveBuff[0].Position;
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IBinder producer = context.Device.System.SurfaceFlinger.OpenLayer(context.Process, layerId);
Parcel parcel = new Parcel(0x28, 0x4);
parcel.WriteObject(producer, "dispdrv\0");
ReadOnlySpan<byte> parcelData = parcel.Finish();
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context.Memory.Write((ulong)parcelPtr, parcelData);
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context.ResponseData.Write((long)parcelData.Length);
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return ResultCode.Success;
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}
[Command(2021)]
// CloseLayer(u64)
public ResultCode CloseLayer(ServiceCtx context)
{
long layerId = context.RequestData.ReadInt64();
context.Device.System.SurfaceFlinger.CloseLayer(layerId);
return ResultCode.Success;
}
[Command(2030)]
// CreateStrayLayer(u32, u64) -> (u64, u64, buffer<bytes, 6>)
public ResultCode CreateStrayLayer(ServiceCtx context)
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{
long layerFlags = context.RequestData.ReadInt64();
long displayId = context.RequestData.ReadInt64();
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long parcelPtr = context.Request.ReceiveBuff[0].Position;
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// TODO: support multi display.
Display disp = _displays.GetData<Display>((int)displayId);
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IBinder producer = context.Device.System.SurfaceFlinger.CreateLayer(context.Process, out long layerId);
Parcel parcel = new Parcel(0x28, 0x4);
parcel.WriteObject(producer, "dispdrv\0");
ReadOnlySpan<byte> parcelData = parcel.Finish();
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context.Memory.Write((ulong)parcelPtr, parcelData);
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context.ResponseData.Write(layerId);
context.ResponseData.Write((long)parcelData.Length);
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return ResultCode.Success;
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}
[Command(2031)]
// DestroyStrayLayer(u64)
public ResultCode DestroyStrayLayer(ServiceCtx context)
{
long layerId = context.RequestData.ReadInt64();
context.Device.System.SurfaceFlinger.CloseLayer(layerId);
return ResultCode.Success;
}
[Command(2101)]
// SetLayerScalingMode(u32, u64)
public ResultCode SetLayerScalingMode(ServiceCtx context)
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{
int scalingMode = context.RequestData.ReadInt32();
long unknown = context.RequestData.ReadInt64();
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return ResultCode.Success;
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}
[Command(2102)] // 5.0.0+
// ConvertScalingMode(unknown) -> unknown
public ResultCode ConvertScalingMode(ServiceCtx context)
{
SourceScalingMode scalingMode = (SourceScalingMode)context.RequestData.ReadInt32();
DestinationScalingMode? convertedScalingMode = ConvertScalingMode(scalingMode);
if (!convertedScalingMode.HasValue)
{
// Scaling mode out of the range of valid values.
return ResultCode.InvalidArguments;
}
if (scalingMode != SourceScalingMode.ScaleToWindow &&
scalingMode != SourceScalingMode.PreserveAspectRatio)
{
// Invalid scaling mode specified.
return ResultCode.InvalidScalingMode;
}
context.ResponseData.Write((ulong)convertedScalingMode);
return ResultCode.Success;
}
private DestinationScalingMode? ConvertScalingMode(SourceScalingMode source)
{
switch (source)
{
case SourceScalingMode.None: return DestinationScalingMode.None;
case SourceScalingMode.Freeze: return DestinationScalingMode.Freeze;
case SourceScalingMode.ScaleAndCrop: return DestinationScalingMode.ScaleAndCrop;
case SourceScalingMode.ScaleToWindow: return DestinationScalingMode.ScaleToWindow;
case SourceScalingMode.PreserveAspectRatio: return DestinationScalingMode.PreserveAspectRatio;
}
return null;
}
[Command(5202)]
// GetDisplayVsyncEvent(u64) -> handle<copy>
public ResultCode GetDisplayVSyncEvent(ServiceCtx context)
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{
string name = GetDisplayName(context);
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if (context.Process.HandleTable.GenerateHandle(context.Device.System.VsyncEvent.ReadableEvent, out int handle) != KernelResult.Success)
{
throw new InvalidOperationException("Out of handles!");
}
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context.Response.HandleDesc = IpcHandleDesc.MakeCopy(handle);
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return ResultCode.Success;
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}
private string GetDisplayName(ServiceCtx context)
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{
string name = string.Empty;
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for (int index = 0; index < 8 &&
context.RequestData.BaseStream.Position <
context.RequestData.BaseStream.Length; index++)
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{
byte chr = context.RequestData.ReadByte();
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if (chr >= 0x20 && chr < 0x7f)
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{
name += (char)chr;
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}
}
return name;
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}
}
}