mirror of
https://github.com/GreemDev/Ryujinx.git
synced 2024-12-24 00:25:48 +00:00
34037701c7
* Initial implementation of NvMap/NvHostCtrl * More work on NvHostCtrl * Refactoring of nvservices, move GPU Vmm, make Vmm per-process, refactor most gpu devices, move Gpu to Core, fix CbBind * Implement GetGpuTime, support CancelSynchronization, fix issue on InsertWaitingMutex, proper double buffering support (again, not working properly for commercial games, only hb) * Try to fix perf regression reading/writing textures, moved syncpts and events to a UserCtx class, delete global state when the process exits, other minor tweaks * Remove now unused code, add comment about probably wrong result codes
101 lines
No EOL
3.3 KiB
C#
101 lines
No EOL
3.3 KiB
C#
using System.Collections.Generic;
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using System.IO;
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namespace Ryujinx.Core.Gpu
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{
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public static class NvGpuPushBuffer
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{
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private enum SubmissionMode
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{
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Incrementing = 1,
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NonIncrementing = 3,
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Immediate = 4,
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IncrementOnce = 5
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}
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public static NvGpuPBEntry[] Decode(byte[] Data)
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{
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using (MemoryStream MS = new MemoryStream(Data))
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{
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BinaryReader Reader = new BinaryReader(MS);
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List<NvGpuPBEntry> PushBuffer = new List<NvGpuPBEntry>();
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bool CanRead() => MS.Position + 4 <= MS.Length;
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while (CanRead())
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{
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int Packed = Reader.ReadInt32();
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int Meth = (Packed >> 0) & 0x1fff;
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int SubC = (Packed >> 13) & 7;
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int Args = (Packed >> 16) & 0x1fff;
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int Mode = (Packed >> 29) & 7;
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switch ((SubmissionMode)Mode)
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{
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case SubmissionMode.Incrementing:
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{
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for (int Index = 0; Index < Args && CanRead(); Index++, Meth++)
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{
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PushBuffer.Add(new NvGpuPBEntry(Meth, SubC, Reader.ReadInt32()));
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}
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break;
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}
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case SubmissionMode.NonIncrementing:
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{
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int[] Arguments = new int[Args];
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for (int Index = 0; Index < Arguments.Length; Index++)
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{
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if (!CanRead())
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{
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break;
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}
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Arguments[Index] = Reader.ReadInt32();
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}
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PushBuffer.Add(new NvGpuPBEntry(Meth, SubC, Arguments));
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break;
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}
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case SubmissionMode.Immediate:
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{
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PushBuffer.Add(new NvGpuPBEntry(Meth, SubC, Args));
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break;
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}
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case SubmissionMode.IncrementOnce:
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{
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if (CanRead())
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{
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PushBuffer.Add(new NvGpuPBEntry(Meth, SubC, Reader.ReadInt32()));
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}
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if (CanRead() && Args > 1)
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{
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int[] Arguments = new int[Args - 1];
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for (int Index = 0; Index < Arguments.Length && CanRead(); Index++)
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{
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Arguments[Index] = Reader.ReadInt32();
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}
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PushBuffer.Add(new NvGpuPBEntry(Meth + 1, SubC, Arguments));
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}
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break;
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}
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}
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}
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return PushBuffer.ToArray();
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}
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}
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}
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} |