mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-19 23:28:42 +02:00
* Rewrite shader decoding stage * Fix P2R constant buffer encoding * Fix PSET/PSETP * PR feedback * Log unimplemented shader instructions * Implement NOP * Remove using * PR feedback
199 lines
5.5 KiB
C#
199 lines
5.5 KiB
C#
using Ryujinx.Graphics.Shader.Decoders;
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using System;
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using System.Runtime.InteropServices;
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namespace Ryujinx.Graphics.Shader.Translation
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{
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enum PixelImap
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{
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Unused = 0,
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Constant = 1,
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Perspective = 2,
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ScreenLinear = 3
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}
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struct ImapPixelType
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{
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public PixelImap X { get; }
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public PixelImap Y { get; }
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public PixelImap Z { get; }
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public PixelImap W { get; }
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public ImapPixelType(PixelImap x, PixelImap y, PixelImap z, PixelImap w)
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{
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X = x;
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Y = y;
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Z = z;
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W = w;
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}
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public PixelImap GetFirstUsedType()
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{
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if (X != PixelImap.Unused) return X;
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if (Y != PixelImap.Unused) return Y;
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if (Z != PixelImap.Unused) return Z;
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return W;
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}
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}
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struct OmapTarget
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{
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public bool Red { get; }
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public bool Green { get; }
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public bool Blue { get; }
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public bool Alpha { get; }
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public bool Enabled => Red || Green || Blue || Alpha;
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public OmapTarget(bool red, bool green, bool blue, bool alpha)
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{
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Red = red;
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Green = green;
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Blue = blue;
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Alpha = alpha;
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}
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public bool ComponentEnabled(int component)
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{
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switch (component)
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{
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case 0: return Red;
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case 1: return Green;
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case 2: return Blue;
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case 3: return Alpha;
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}
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throw new ArgumentOutOfRangeException(nameof(component));
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}
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}
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class ShaderHeader
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{
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public int SphType { get; }
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public int Version { get; }
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public ShaderStage Stage { get; }
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public bool MrtEnable { get; }
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public bool KillsPixels { get; }
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public bool DoesGlobalStore { get; }
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public int SassVersion { get; }
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public bool GpPassthrough { get; }
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public bool DoesLoadOrStore { get; }
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public bool DoesFp64 { get; }
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public int StreamOutMask { get; }
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public int ShaderLocalMemoryLowSize { get; }
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public int PerPatchAttributeCount { get; }
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public int ShaderLocalMemoryHighSize { get; }
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public int ThreadsPerInputPrimitive { get; }
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public int ShaderLocalMemoryCrsSize { get; }
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public OutputTopology OutputTopology { get; }
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public int MaxOutputVertexCount { get; }
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public int StoreReqStart { get; }
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public int StoreReqEnd { get; }
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public ImapPixelType[] ImapTypes { get; }
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public OmapTarget[] OmapTargets { get; }
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public bool OmapSampleMask { get; }
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public bool OmapDepth { get; }
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public ShaderHeader(IGpuAccessor gpuAccessor, ulong address)
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{
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ReadOnlySpan<int> header = MemoryMarshal.Cast<ulong, int>(gpuAccessor.GetCode(address, 0x50));
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int commonWord0 = header[0];
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int commonWord1 = header[1];
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int commonWord2 = header[2];
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int commonWord3 = header[3];
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int commonWord4 = header[4];
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SphType = commonWord0.Extract(0, 5);
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Version = commonWord0.Extract(5, 5);
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Stage = (ShaderStage)commonWord0.Extract(10, 4);
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// Invalid.
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if (Stage == ShaderStage.Compute)
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{
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Stage = ShaderStage.Vertex;
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}
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MrtEnable = commonWord0.Extract(14);
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KillsPixels = commonWord0.Extract(15);
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DoesGlobalStore = commonWord0.Extract(16);
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SassVersion = commonWord0.Extract(17, 4);
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GpPassthrough = commonWord0.Extract(24);
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DoesLoadOrStore = commonWord0.Extract(26);
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DoesFp64 = commonWord0.Extract(27);
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StreamOutMask = commonWord0.Extract(28, 4);
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ShaderLocalMemoryLowSize = commonWord1.Extract(0, 24);
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PerPatchAttributeCount = commonWord1.Extract(24, 8);
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ShaderLocalMemoryHighSize = commonWord2.Extract(0, 24);
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ThreadsPerInputPrimitive = commonWord2.Extract(24, 8);
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ShaderLocalMemoryCrsSize = commonWord3.Extract(0, 24);
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OutputTopology = (OutputTopology)commonWord3.Extract(24, 4);
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MaxOutputVertexCount = commonWord4.Extract(0, 12);
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StoreReqStart = commonWord4.Extract(12, 8);
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StoreReqEnd = commonWord4.Extract(24, 8);
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ImapTypes = new ImapPixelType[32];
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for (int i = 0; i < 32; i++)
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{
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byte imap = (byte)(header[6 + (i >> 2)] >> ((i & 3) * 8));
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ImapTypes[i] = new ImapPixelType(
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(PixelImap)((imap >> 0) & 3),
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(PixelImap)((imap >> 2) & 3),
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(PixelImap)((imap >> 4) & 3),
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(PixelImap)((imap >> 6) & 3));
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}
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int type2OmapTarget = header[18];
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int type2Omap = header[19];
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OmapTargets = new OmapTarget[8];
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for (int offset = 0; offset < OmapTargets.Length * 4; offset += 4)
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{
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OmapTargets[offset >> 2] = new OmapTarget(
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type2OmapTarget.Extract(offset + 0),
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type2OmapTarget.Extract(offset + 1),
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type2OmapTarget.Extract(offset + 2),
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type2OmapTarget.Extract(offset + 3));
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}
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OmapSampleMask = type2Omap.Extract(0);
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OmapDepth = type2Omap.Extract(1);
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}
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}
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} |