Move solution and projects to src

src/Ryujinx.Graphics.Shader/Translation/ShaderHeader.cs

@@ -0,0 +1,158 @@
+using Ryujinx.Common.Utilities;
+using System;
+using System.Runtime.InteropServices;
+
+namespace Ryujinx.Graphics.Shader.Translation
+{
+    enum PixelImap
+    {
+        Unused = 0,
+        Constant = 1,
+        Perspective = 2,
+        ScreenLinear = 3
+    }
+
+    readonly struct ImapPixelType
+    {
+        public PixelImap X { get; }
+        public PixelImap Y { get; }
+        public PixelImap Z { get; }
+        public PixelImap W { get; }
+
+        public ImapPixelType(PixelImap x, PixelImap y, PixelImap z, PixelImap w)
+        {
+            X = x;
+            Y = y;
+            Z = z;
+            W = w;
+        }
+
+        public PixelImap GetFirstUsedType()
+        {
+            if (X != PixelImap.Unused) return X;
+            if (Y != PixelImap.Unused) return Y;
+            if (Z != PixelImap.Unused) return Z;
+            return W;
+        }
+    }
+
+    class ShaderHeader
+    {
+        public int SphType { get; }
+        public int Version { get; }
+
+        public ShaderStage Stage { get; }
+
+        public bool MrtEnable { get; }
+
+        public bool KillsPixels { get; }
+
+        public bool DoesGlobalStore { get; }
+
+        public int SassVersion { get; }
+
+        public bool GpPassthrough { get; }
+
+        public bool DoesLoadOrStore { get; }
+        public bool DoesFp64 { get; }
+
+        public int StreamOutMask { get; }
+
+        public int ShaderLocalMemoryLowSize { get; }
+
+        public int PerPatchAttributeCount { get; }
+
+        public int ShaderLocalMemoryHighSize { get; }
+
+        public int ThreadsPerInputPrimitive { get; }
+
+        public int ShaderLocalMemoryCrsSize { get; }
+
+        public OutputTopology OutputTopology { get; }
+
+        public int MaxOutputVertexCount { get; }
+
+        public int StoreReqStart { get; }
+        public int StoreReqEnd { get; }
+
+        public ImapPixelType[] ImapTypes { get; }
+
+        public int OmapTargets { get; }
+        public bool OmapSampleMask { get; }
+        public bool OmapDepth { get; }
+
+        public ShaderHeader(IGpuAccessor gpuAccessor, ulong address)
+        {
+            ReadOnlySpan<int> header = MemoryMarshal.Cast<ulong, int>(gpuAccessor.GetCode(address, 0x50));
+
+            int commonWord0 = header[0];
+            int commonWord1 = header[1];
+            int commonWord2 = header[2];
+            int commonWord3 = header[3];
+            int commonWord4 = header[4];
+
+            SphType = commonWord0.Extract(0, 5);
+            Version = commonWord0.Extract(5, 5);
+
+            Stage = (ShaderStage)commonWord0.Extract(10, 4);
+
+            // Invalid.
+            if (Stage == ShaderStage.Compute)
+            {
+                Stage = ShaderStage.Vertex;
+            }
+
+            MrtEnable = commonWord0.Extract(14);
+
+            KillsPixels = commonWord0.Extract(15);
+
+            DoesGlobalStore = commonWord0.Extract(16);
+
+            SassVersion = commonWord0.Extract(17, 4);
+
+            GpPassthrough = commonWord0.Extract(24);
+
+            DoesLoadOrStore = commonWord0.Extract(26);
+            DoesFp64 = commonWord0.Extract(27);
+
+            StreamOutMask = commonWord0.Extract(28, 4);
+
+            ShaderLocalMemoryLowSize = commonWord1.Extract(0, 24);
+
+            PerPatchAttributeCount = commonWord1.Extract(24, 8);
+
+            ShaderLocalMemoryHighSize = commonWord2.Extract(0, 24);
+
+            ThreadsPerInputPrimitive = commonWord2.Extract(24, 8);
+
+            ShaderLocalMemoryCrsSize = commonWord3.Extract(0, 24);
+
+            OutputTopology = (OutputTopology)commonWord3.Extract(24, 4);
+
+            MaxOutputVertexCount = commonWord4.Extract(0, 12);
+
+            StoreReqStart = commonWord4.Extract(12, 8);
+            StoreReqEnd = commonWord4.Extract(24, 8);
+
+            ImapTypes = new ImapPixelType[32];
+
+            for (int i = 0; i < 32; i++)
+            {
+                byte imap = (byte)(header[6 + (i >> 2)] >> ((i & 3) * 8));
+
+                ImapTypes[i] = new ImapPixelType(
+                    (PixelImap)((imap >> 0) & 3),
+                    (PixelImap)((imap >> 2) & 3),
+                    (PixelImap)((imap >> 4) & 3),
+                    (PixelImap)((imap >> 6) & 3));
+            }
+
+            int type2OmapTarget = header[18];
+            int type2Omap = header[19];
+
+            OmapTargets = type2OmapTarget;
+            OmapSampleMask = type2Omap.Extract(0);
+            OmapDepth = type2Omap.Extract(1);
+        }
+    }
+}