mirror of
https://github.com/GreemDev/Ryujinx.git
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ce1d5be212
* Move GPU LLE emulation from HLE to Graphics * Graphics: Move Gal/Texture to Texture * Remove Engines/ directory and namespace * Use tables for image formats * Abstract OpCode decoding * Simplify image table * Do not leak Read* symbols in TextureReader * Fixups * Rename IGalFrameBuffer -> IGalRenderTarget * Remove MaxBpp hardcoded value * Change yet again texture data and add G8R8 flipping * Rename GalFrameBufferFormat to GalSurfaceFormat * Unident EnsureSetup in ImageHandler * Add IsCompressed * Address some feedback
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.Graphics.Memory
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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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} |