mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-19 23:28:42 +02:00
170 lines
4.8 KiB
C#
170 lines
4.8 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
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{
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struct OutputMapTarget
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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 OutputMapTarget(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 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 OutputMapTarget[] OmapTargets { get; }
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public bool OmapSampleMask { get; }
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public bool OmapDepth { get; }
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public int DepthRegister
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{
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get
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{
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int count = 0;
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for (int index = 0; index < OmapTargets.Length; index++)
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{
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for (int component = 0; component < 4; component++)
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{
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if (OmapTargets[index].ComponentEnabled(component))
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{
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count++;
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}
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}
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}
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// Depth register is always two registers after the last color output.
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return count + 1;
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}
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}
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public ShaderHeader(Span<byte> code)
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{
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Span<int> header = MemoryMarshal.Cast<byte, int>(code);
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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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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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int type2OmapTarget = header[18];
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int type2Omap = header[19];
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OmapTargets = new OutputMapTarget[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 OutputMapTarget(
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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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} |