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Reduce usage of Marshal.PtrToStructure and Marshal.StructureToPtr (#3805)

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* common: Make BinaryReaderExtensions Read & Write take unamanged types

This allows us to not rely on Marshal.PtrToStructure and Marshal.StructureToPtr for those.

* common: Make MemoryHelper Read & Write takes unamanged types

* Update Marshal.SizeOf => Unsafe.SizeOf when appropriate and start moving software applet to unmanaged types
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Mary-nyan 2022-11-24 15:26:29 +01:00 • committed by GitHub
parent a1ddaa2736
commit f4e879a1e6
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16 changed files with 88 additions and 137 deletions
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13
Ryujinx.HLE/HOS/Services/Time/IStaticServiceForPsc.cs
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@ -8,7 +8,9 @@ using Ryujinx.HLE.HOS.Services.Time.TimeZone;
using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
namespace Ryujinx.HLE.HOS.Services.Time
{
@ -281,7 +283,7 @@ namespace Ryujinx.HLE.HOS.Services.Time
{
byte type = context.RequestData.ReadByte();
context.Response.PtrBuff[0] = context.Response.PtrBuff[0].WithSize((uint)Marshal.SizeOf<ClockSnapshot>());
context.Response.PtrBuff[0] = context.Response.PtrBuff[0].WithSize((uint)Unsafe.SizeOf<ClockSnapshot>());
context.RequestData.BaseStream.Position += 7;
@ -372,12 +374,9 @@ namespace Ryujinx.HLE.HOS.Services.Time
return result;
}
char[] tzName = deviceLocationName.ToCharArray();
char[] locationName = new char[0x24];
ReadOnlySpan<byte> tzName = Encoding.ASCII.GetBytes(deviceLocationName);
Array.Copy(tzName, locationName, tzName.Length);
clockSnapshot.LocationName = locationName;
tzName.CopyTo(clockSnapshot.LocationName);
result = ClockSnapshot.GetCurrentTime(out clockSnapshot.UserTime, currentTimePoint, clockSnapshot.UserContext);
@ -414,7 +413,7 @@ namespace Ryujinx.HLE.HOS.Services.Time
private ClockSnapshot ReadClockSnapshotFromBuffer(ServiceCtx context, IpcPtrBuffDesc ipcDesc)
{
Debug.Assert(ipcDesc.Size == (ulong)Marshal.SizeOf<ClockSnapshot>());
Debug.Assert(ipcDesc.Size == (ulong)Unsafe.SizeOf<ClockSnapshot>());
byte[] temp = new byte[ipcDesc.Size];