using Ryujinx.Common; using Ryujinx.Common.Logging; 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; using System.Text; namespace Ryujinx.HLE.HOS.Services.Vi.RootService { class IApplicationDisplayService : IpcService { private readonly IdDictionary _displays; private int _vsyncEventHandle; public IApplicationDisplayService() { _displays = new IdDictionary(); } [Command(100)] // GetRelayService() -> object public ResultCode GetRelayService(ServiceCtx context) { MakeObject(context, new HOSBinderDriverServer()); return ResultCode.Success; } [Command(101)] // GetSystemDisplayService() -> object public ResultCode GetSystemDisplayService(ServiceCtx context) { MakeObject(context, new ISystemDisplayService(this)); return ResultCode.Success; } [Command(102)] // GetManagerDisplayService() -> object public ResultCode GetManagerDisplayService(ServiceCtx context) { MakeObject(context, new IManagerDisplayService(this)); return ResultCode.Success; } [Command(103)] // 2.0.0+ // GetIndirectDisplayTransactionService() -> object public ResultCode GetIndirectDisplayTransactionService(ServiceCtx context) { MakeObject(context, new HOSBinderDriverServer()); return ResultCode.Success; } [Command(1000)] // ListDisplays() -> (u64, buffer) public ResultCode ListDisplays(ServiceCtx context) { long recBuffPtr = context.Request.ReceiveBuff[0].Position; MemoryHelper.FillWithZeros(context.Memory, recBuffPtr, 0x60); // 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); context.ResponseData.Write(1L); return ResultCode.Success; } [Command(1010)] // OpenDisplay(nn::vi::DisplayName) -> u64 public ResultCode OpenDisplay(ServiceCtx context) { string name = GetDisplayName(context); long displayId = _displays.Add(new Display(name)); context.ResponseData.Write(displayId); return ResultCode.Success; } [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) { long displayId = context.RequestData.ReadInt32(); context.ResponseData.Write(1280); context.ResponseData.Write(720); return ResultCode.Success; } [Command(2020)] // OpenLayer(nn::vi::DisplayName, u64, nn::applet::AppletResourceUserId, pid) -> (u64, buffer) public ResultCode OpenLayer(ServiceCtx context) { // TODO: support multi display. byte[] displayName = context.RequestData.ReadBytes(0x40); long layerId = context.RequestData.ReadInt64(); long userId = context.RequestData.ReadInt64(); long parcelPtr = context.Request.ReceiveBuff[0].Position; IBinder producer = context.Device.System.SurfaceFlinger.OpenLayer(context.Request.HandleDesc.PId, layerId); Parcel parcel = new Parcel(0x28, 0x4); parcel.WriteObject(producer, "dispdrv\0"); ReadOnlySpan parcelData = parcel.Finish(); context.Memory.Write((ulong)parcelPtr, parcelData); context.ResponseData.Write((long)parcelData.Length); return ResultCode.Success; } [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) public ResultCode CreateStrayLayer(ServiceCtx context) { long layerFlags = context.RequestData.ReadInt64(); long displayId = context.RequestData.ReadInt64(); long parcelPtr = context.Request.ReceiveBuff[0].Position; // TODO: support multi display. Display disp = _displays.GetData((int)displayId); IBinder producer = context.Device.System.SurfaceFlinger.CreateLayer(0, out long layerId); Parcel parcel = new Parcel(0x28, 0x4); parcel.WriteObject(producer, "dispdrv\0"); ReadOnlySpan parcelData = parcel.Finish(); context.Memory.Write((ulong)parcelPtr, parcelData); context.ResponseData.Write(layerId); context.ResponseData.Write((long)parcelData.Length); return ResultCode.Success; } [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) { int scalingMode = context.RequestData.ReadInt32(); long layerId = context.RequestData.ReadInt64(); return ResultCode.Success; } [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(2450)] // GetIndirectLayerImageMap(s64 width, s64 height, u64 handle, nn::applet::AppletResourceUserId, pid) -> (s64, s64, buffer) public ResultCode GetIndirectLayerImageMap(ServiceCtx context) { // The size of the layer buffer should be an aligned multiple of width * height // because it was created using GetIndirectLayerImageRequiredMemoryInfo as a guide. long layerBuffPosition = context.Request.ReceiveBuff[0].Position; long layerBuffSize = context.Request.ReceiveBuff[0].Size; // Fill the layer with zeros. context.Memory.Fill((ulong)layerBuffPosition, (ulong)layerBuffSize, 0x00); Logger.Stub?.PrintStub(LogClass.ServiceVi); return ResultCode.Success; } [Command(2460)] // GetIndirectLayerImageRequiredMemoryInfo(u64 width, u64 height) -> (u64 size, u64 alignment) public ResultCode GetIndirectLayerImageRequiredMemoryInfo(ServiceCtx context) { /* // Doesn't occur in our case. if (sizePtr == null || address_alignmentPtr == null) { return ResultCode.InvalidArguments; } */ int width = (int)context.RequestData.ReadUInt64(); int height = (int)context.RequestData.ReadUInt64(); if (height < 0 || width < 0) { return ResultCode.InvalidLayerSize; } else { /* // Doesn't occur in our case. if (!service_initialized) { return ResultCode.InvalidArguments; } */ const ulong defaultAlignment = 0x1000; const ulong defaultSize = 0x20000; // NOTE: The official service setup a A8B8G8R8 texture with a linear layout and then query its size. // As we don't need this texture on the emulator, we can just simplify this logic and directly // do a linear layout size calculation. (stride * height * bytePerPixel) int pitch = BitUtils.AlignUp(BitUtils.DivRoundUp(width * 32, 8), 64); int memorySize = pitch * BitUtils.AlignUp(height, 64); ulong requiredMemorySize = (ulong)BitUtils.AlignUp(memorySize, (int)defaultAlignment); ulong size = (requiredMemorySize + defaultSize - 1) / defaultSize * defaultSize; context.ResponseData.Write(size); context.ResponseData.Write(defaultAlignment); } return ResultCode.Success; } [Command(5202)] // GetDisplayVsyncEvent(u64) -> handle public ResultCode GetDisplayVSyncEvent(ServiceCtx context) { string name = GetDisplayName(context); if (_vsyncEventHandle == 0) { if (context.Process.HandleTable.GenerateHandle(context.Device.System.VsyncEvent.ReadableEvent, out _vsyncEventHandle) != KernelResult.Success) { throw new InvalidOperationException("Out of handles!"); } } context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_vsyncEventHandle); return ResultCode.Success; } private string GetDisplayName(ServiceCtx context) { string name = string.Empty; for (int index = 0; index < 8 && context.RequestData.BaseStream.Position < context.RequestData.BaseStream.Length; index++) { byte chr = context.RequestData.ReadByte(); if (chr >= 0x20 && chr < 0x7f) { name += (char)chr; } } return name; } } }