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Ryujinx/Ryujinx.Horizon/Sdk/Sf/RawDataOffsetCalculator.cs
gdkchan 08831eecf7
IPC refactor part 3+4: New server HIPC message processor (#4188)
* IPC refactor part 3 + 4: New server HIPC message processor with source generator based serialization

* Make types match on calls to AlignUp/AlignDown

* Formatting

* Address some PR feedback

* Move BitfieldExtensions to Ryujinx.Common.Utilities and consolidate implementations

* Rename Reader/Writer to SpanReader/SpanWriter and move to Ryujinx.Common.Memory

* Implement EventType

* Address more PR feedback

* Log request processing errors since they are not normal

* Rename waitable to multiwait and add missing lock

* PR feedback

* Ac_K PR feedback
2023-01-04 23:15:45 +01:00

51 lines
1.4 KiB
C#

using Ryujinx.Common;
namespace Ryujinx.Horizon.Sdk.Sf
{
static class RawDataOffsetCalculator
{
public static int[] Calculate(CommandArg[] args)
{
int[] offsets = new int[args.Length + 1];
if (args.Length != 0)
{
int argsCount = args.Length;
int[] sizes = new int[argsCount];
int[] aligns = new int[argsCount];
int[] map = new int[argsCount];
for (int i = 0; i < argsCount; i++)
{
sizes[i] = args[i].ArgSize;
aligns[i] = args[i].ArgAlignment;
map[i] = i;
}
for (int i = 1; i < argsCount; i++)
{
for (int j = i; j > 0 && aligns[map[j - 1]] > aligns[map[j]]; j--)
{
var temp = map[j - 1];
map[j - 1] = map[j];
map[j] = temp;
}
}
int offset = 0;
foreach (int i in map)
{
offset = BitUtils.AlignUp(offset, aligns[i]);
offsets[i] = offset;
offset += sizes[i];
}
offsets[argsCount] = offset;
}
return offsets;
}
}
}