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time: Make TimeZoneRule blittable and avoid copies (#3361)

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* time: Make TimeZoneRule blittable and avoid copies

This drastically reduce overhead of using TimeZoneRule around the
codebase.

Effect on games is unknown

* Add missing Box type

* Ensure we clean the structure still

This doesn't perform any copies

* Address gdkchan's comments

* Simplify Box
This commit is contained in:
Mary 2022-06-24 19:04:57 +02:00 • committed by GitHub
parent 232b1012b0
commit 30ee70a9bc
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 157 additions and 147 deletions
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14
Ryujinx.HLE/HOS/Services/Time/StaticService/ITimeZoneServiceForGlue.cs
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@ -2,7 +2,10 @@ using Ryujinx.Common.Logging;
using Ryujinx.Cpu;
using Ryujinx.HLE.HOS.Services.Time.TimeZone;
using Ryujinx.HLE.Utilities;
using Ryujinx.Memory;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
namespace Ryujinx.HLE.HOS.Services.Time.StaticService
@ -100,15 +103,12 @@ namespace Ryujinx.HLE.HOS.Services.Time.StaticService
string locationName = StringUtils.ReadInlinedAsciiString(context.RequestData, 0x24);
ResultCode resultCode = _timeZoneContentManager.LoadTimeZoneRule(out TimeZoneRule rules, locationName);
// Write TimeZoneRule if success
if (resultCode == ResultCode.Success)
using (WritableRegion region = context.Memory.GetWritableRegion(bufferPosition, Unsafe.SizeOf<TimeZoneRule>()))
{
MemoryHelper.Write(context.Memory, bufferPosition, rules);
}
ref TimeZoneRule rules = ref MemoryMarshal.Cast<byte, TimeZoneRule>(region.Memory.Span)[0];
return resultCode;
return _timeZoneContentManager.LoadTimeZoneRule(ref rules, locationName);
}
}
[CommandHipc(100)]