Move solution and projects to src

1 files changed, 0 insertions, 615 deletions

diff --git a/Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs b/Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs
deleted file mode 100644
index 821da477..00000000
--- a/Ryujinx.Graphics.Shader/CodeGen/Spirv/Declarations.cs
+++ /dev/null
@@ -1,615 +0,0 @@
-using Ryujinx.Common;
-using Ryujinx.Graphics.Shader.IntermediateRepresentation;
-using Ryujinx.Graphics.Shader.StructuredIr;
-using Ryujinx.Graphics.Shader.Translation;
-using Spv.Generator;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Numerics;
-using static Spv.Specification;
-using SpvInstruction = Spv.Generator.Instruction;
-
-namespace Ryujinx.Graphics.Shader.CodeGen.Spirv
-{
-    static class Declarations
-    {
-        private static readonly string[] StagePrefixes = new string[] { "cp", "vp", "tcp", "tep", "gp", "fp" };
-
-        public static void DeclareParameters(CodeGenContext context, StructuredFunction function)
-        {
-            DeclareParameters(context, function.InArguments, 0);
-            DeclareParameters(context, function.OutArguments, function.InArguments.Length);
-        }
-
-        private static void DeclareParameters(CodeGenContext context, IEnumerable<AggregateType> argTypes, int argIndex)
-        {
-            foreach (var argType in argTypes)
-            {
-                var argPointerType = context.TypePointer(StorageClass.Function, context.GetType(argType));
-                var spvArg = context.FunctionParameter(argPointerType);
-
-                context.DeclareArgument(argIndex++, spvArg);
-            }
-        }
-
-        public static void DeclareLocals(CodeGenContext context, StructuredFunction function)
-        {
-            foreach (AstOperand local in function.Locals)
-            {
-                var localPointerType = context.TypePointer(StorageClass.Function, context.GetType(local.VarType));
-                var spvLocal = context.Variable(localPointerType, StorageClass.Function);
-
-                context.AddLocalVariable(spvLocal);
-                context.DeclareLocal(local, spvLocal);
-            }
-
-            var ivector2Type = context.TypeVector(context.TypeS32(), 2);
-            var coordTempPointerType = context.TypePointer(StorageClass.Function, ivector2Type);
-            var coordTemp = context.Variable(coordTempPointerType, StorageClass.Function);
-
-            context.AddLocalVariable(coordTemp);
-            context.CoordTemp = coordTemp;
-        }
-
-        public static void DeclareLocalForArgs(CodeGenContext context, List<StructuredFunction> functions)
-        {
-            for (int funcIndex = 0; funcIndex < functions.Count; funcIndex++)
-            {
-                StructuredFunction function = functions[funcIndex];
-                SpvInstruction[] locals = new SpvInstruction[function.InArguments.Length];
-
-                for (int i = 0; i < function.InArguments.Length; i++)
-                {
-                    var type = function.GetArgumentType(i);
-                    var localPointerType = context.TypePointer(StorageClass.Function, context.GetType(type));
-                    var spvLocal = context.Variable(localPointerType, StorageClass.Function);
-
-                    context.AddLocalVariable(spvLocal);
-
-                    locals[i] = spvLocal;
-                }
-
-                context.DeclareLocalForArgs(funcIndex, locals);
-            }
-        }
-
-        public static void DeclareAll(CodeGenContext context, StructuredProgramInfo info)
-        {
-            if (context.Config.Stage == ShaderStage.Compute)
-            {
-                int localMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeLocalMemorySize(), 4);
-
-                if (localMemorySize != 0)
-                {
-                    DeclareLocalMemory(context, localMemorySize);
-                }
-
-                int sharedMemorySize = BitUtils.DivRoundUp(context.Config.GpuAccessor.QueryComputeSharedMemorySize(), 4);
-
-                if (sharedMemorySize != 0)
-                {
-                    DeclareSharedMemory(context, sharedMemorySize);
-                }
-            }
-            else if (context.Config.LocalMemorySize != 0)
-            {
-                int localMemorySize = BitUtils.DivRoundUp(context.Config.LocalMemorySize, 4);
-                DeclareLocalMemory(context, localMemorySize);
-            }
-
-            DeclareSupportBuffer(context);
-            DeclareUniformBuffers(context, context.Config.GetConstantBufferDescriptors());
-            DeclareStorageBuffers(context, context.Config.GetStorageBufferDescriptors());
-            DeclareSamplers(context, context.Config.GetTextureDescriptors());
-            DeclareImages(context, context.Config.GetImageDescriptors());
-            DeclareInputsAndOutputs(context, info);
-        }
-
-        private static void DeclareLocalMemory(CodeGenContext context, int size)
-        {
-            context.LocalMemory = DeclareMemory(context, StorageClass.Private, size);
-        }
-
-        private static void DeclareSharedMemory(CodeGenContext context, int size)
-        {
-            context.SharedMemory = DeclareMemory(context, StorageClass.Workgroup, size);
-        }
-
-        private static SpvInstruction DeclareMemory(CodeGenContext context, StorageClass storage, int size)
-        {
-            var arrayType = context.TypeArray(context.TypeU32(), context.Constant(context.TypeU32(), size));
-            var pointerType = context.TypePointer(storage, arrayType);
-            var variable = context.Variable(pointerType, storage);
-
-            context.AddGlobalVariable(variable);
-
-            return variable;
-        }
-
-        private static void DeclareSupportBuffer(CodeGenContext context)
-        {
-            if (!context.Config.Stage.SupportsRenderScale() && !(context.Config.LastInVertexPipeline && context.Config.GpuAccessor.QueryViewportTransformDisable()))
-            {
-                return;
-            }
-
-            var isBgraArrayType = context.TypeArray(context.TypeU32(), context.Constant(context.TypeU32(), SupportBuffer.FragmentIsBgraCount));
-            var viewportInverseVectorType = context.TypeVector(context.TypeFP32(), 4);
-            var renderScaleArrayType = context.TypeArray(context.TypeFP32(), context.Constant(context.TypeU32(), SupportBuffer.RenderScaleMaxCount));
-
-            context.Decorate(isBgraArrayType, Decoration.ArrayStride, (LiteralInteger)SupportBuffer.FieldSize);
-            context.Decorate(renderScaleArrayType, Decoration.ArrayStride, (LiteralInteger)SupportBuffer.FieldSize);
-
-            var supportBufferStructType = context.TypeStruct(false, context.TypeU32(), isBgraArrayType, viewportInverseVectorType, context.TypeS32(), renderScaleArrayType);
-
-            context.MemberDecorate(supportBufferStructType, 0, Decoration.Offset, (LiteralInteger)SupportBuffer.FragmentAlphaTestOffset);
-            context.MemberDecorate(supportBufferStructType, 1, Decoration.Offset, (LiteralInteger)SupportBuffer.FragmentIsBgraOffset);
-            context.MemberDecorate(supportBufferStructType, 2, Decoration.Offset, (LiteralInteger)SupportBuffer.ViewportInverseOffset);
-            context.MemberDecorate(supportBufferStructType, 3, Decoration.Offset, (LiteralInteger)SupportBuffer.FragmentRenderScaleCountOffset);
-            context.MemberDecorate(supportBufferStructType, 4, Decoration.Offset, (LiteralInteger)SupportBuffer.GraphicsRenderScaleOffset);
-            context.Decorate(supportBufferStructType, Decoration.Block);
-
-            var supportBufferPointerType = context.TypePointer(StorageClass.Uniform, supportBufferStructType);
-            var supportBufferVariable = context.Variable(supportBufferPointerType, StorageClass.Uniform);
-
-            context.Decorate(supportBufferVariable, Decoration.DescriptorSet, (LiteralInteger)0);
-            context.Decorate(supportBufferVariable, Decoration.Binding, (LiteralInteger)0);
-
-            context.AddGlobalVariable(supportBufferVariable);
-
-            context.SupportBuffer = supportBufferVariable;
-        }
-
-        private static void DeclareUniformBuffers(CodeGenContext context, BufferDescriptor[] descriptors)
-        {
-            if (descriptors.Length == 0)
-            {
-                return;
-            }
-
-            uint ubSize = Constants.ConstantBufferSize / 16;
-
-            var ubArrayType = context.TypeArray(context.TypeVector(context.TypeFP32(), 4), context.Constant(context.TypeU32(), ubSize), true);
-            context.Decorate(ubArrayType, Decoration.ArrayStride, (LiteralInteger)16);
-            var ubStructType = context.TypeStruct(true, ubArrayType);
-            context.Decorate(ubStructType, Decoration.Block);
-            context.MemberDecorate(ubStructType, 0, Decoration.Offset, (LiteralInteger)0);
-
-            if (context.Config.UsedFeatures.HasFlag(FeatureFlags.CbIndexing))
-            {
-                int count = descriptors.Max(x => x.Slot) + 1;
-
-                var ubStructArrayType = context.TypeArray(ubStructType, context.Constant(context.TypeU32(), count));
-                var ubPointerType = context.TypePointer(StorageClass.Uniform, ubStructArrayType);
-                var ubVariable = context.Variable(ubPointerType, StorageClass.Uniform);
-
-                context.Name(ubVariable, $"{GetStagePrefix(context.Config.Stage)}_u");
-                context.Decorate(ubVariable, Decoration.DescriptorSet, (LiteralInteger)0);
-                context.Decorate(ubVariable, Decoration.Binding, (LiteralInteger)context.Config.FirstConstantBufferBinding);
-                context.AddGlobalVariable(ubVariable);
-
-                context.UniformBuffersArray = ubVariable;
-            }
-            else
-            {
-                var ubPointerType = context.TypePointer(StorageClass.Uniform, ubStructType);
-
-                foreach (var descriptor in descriptors)
-                {
-                    var ubVariable = context.Variable(ubPointerType, StorageClass.Uniform);
-
-                    context.Name(ubVariable, $"{GetStagePrefix(context.Config.Stage)}_c{descriptor.Slot}");
-                    context.Decorate(ubVariable, Decoration.DescriptorSet, (LiteralInteger)0);
-                    context.Decorate(ubVariable, Decoration.Binding, (LiteralInteger)descriptor.Binding);
-                    context.AddGlobalVariable(ubVariable);
-                    context.UniformBuffers.Add(descriptor.Slot, ubVariable);
-                }
-            }
-        }
-
-        private static void DeclareStorageBuffers(CodeGenContext context, BufferDescriptor[] descriptors)
-        {
-            if (descriptors.Length == 0)
-            {
-                return;
-            }
-
-            int setIndex = context.Config.Options.TargetApi == TargetApi.Vulkan ? 1 : 0;
-            int count = descriptors.Max(x => x.Slot) + 1;
-
-            var sbArrayType = context.TypeRuntimeArray(context.TypeU32());
-            context.Decorate(sbArrayType, Decoration.ArrayStride, (LiteralInteger)4);
-            var sbStructType = context.TypeStruct(true, sbArrayType);
-            context.Decorate(sbStructType, Decoration.BufferBlock);
-            context.MemberDecorate(sbStructType, 0, Decoration.Offset, (LiteralInteger)0);
-            var sbStructArrayType = context.TypeArray(sbStructType, context.Constant(context.TypeU32(), count));
-            var sbPointerType = context.TypePointer(StorageClass.Uniform, sbStructArrayType);
-            var sbVariable = context.Variable(sbPointerType, StorageClass.Uniform);
-
-            context.Name(sbVariable, $"{GetStagePrefix(context.Config.Stage)}_s");
-            context.Decorate(sbVariable, Decoration.DescriptorSet, (LiteralInteger)setIndex);
-            context.Decorate(sbVariable, Decoration.Binding, (LiteralInteger)context.Config.FirstStorageBufferBinding);
-            context.AddGlobalVariable(sbVariable);
-
-            context.StorageBuffersArray = sbVariable;
-        }
-
-        private static void DeclareSamplers(CodeGenContext context, TextureDescriptor[] descriptors)
-        {
-            foreach (var descriptor in descriptors)
-            {
-                var meta = new TextureMeta(descriptor.CbufSlot, descriptor.HandleIndex, descriptor.Format);
-
-                if (context.Samplers.ContainsKey(meta))
-                {
-                    continue;
-                }
-
-                int setIndex = context.Config.Options.TargetApi == TargetApi.Vulkan ? 2 : 0;
-
-                var dim = (descriptor.Type & SamplerType.Mask) switch
-                {
-                    SamplerType.Texture1D => Dim.Dim1D,
-                    SamplerType.Texture2D => Dim.Dim2D,
-                    SamplerType.Texture3D => Dim.Dim3D,
-                    SamplerType.TextureCube => Dim.Cube,
-                    SamplerType.TextureBuffer => Dim.Buffer,
-                    _ => throw new InvalidOperationException($"Invalid sampler type \"{descriptor.Type & SamplerType.Mask}\".")
-                };
-
-                var imageType = context.TypeImage(
-                    context.TypeFP32(),
-                    dim,
-                    descriptor.Type.HasFlag(SamplerType.Shadow),
-                    descriptor.Type.HasFlag(SamplerType.Array),
-                    descriptor.Type.HasFlag(SamplerType.Multisample),
-                    1,
-                    ImageFormat.Unknown);
-
-                var nameSuffix = meta.CbufSlot < 0 ? $"_tcb_{meta.Handle:X}" : $"_cb{meta.CbufSlot}_{meta.Handle:X}";
-
-                var sampledImageType = context.TypeSampledImage(imageType);
-                var sampledImagePointerType = context.TypePointer(StorageClass.UniformConstant, sampledImageType);
-                var sampledImageVariable = context.Variable(sampledImagePointerType, StorageClass.UniformConstant);
-
-                context.Samplers.Add(meta, (imageType, sampledImageType, sampledImageVariable));
-                context.SamplersTypes.Add(meta, descriptor.Type);
-
-                context.Name(sampledImageVariable, $"{GetStagePrefix(context.Config.Stage)}_tex{nameSuffix}");
-                context.Decorate(sampledImageVariable, Decoration.DescriptorSet, (LiteralInteger)setIndex);
-                context.Decorate(sampledImageVariable, Decoration.Binding, (LiteralInteger)descriptor.Binding);
-                context.AddGlobalVariable(sampledImageVariable);
-            }
-        }
-
-        private static void DeclareImages(CodeGenContext context, TextureDescriptor[] descriptors)
-        {
-            foreach (var descriptor in descriptors)
-            {
-                var meta = new TextureMeta(descriptor.CbufSlot, descriptor.HandleIndex, descriptor.Format);
-
-                if (context.Images.ContainsKey(meta))
-                {
-                    continue;
-                }
-
-                int setIndex = context.Config.Options.TargetApi == TargetApi.Vulkan ? 3 : 0;
-
-                var dim = GetDim(descriptor.Type);
-
-                var imageType = context.TypeImage(
-                    context.GetType(meta.Format.GetComponentType()),
-                    dim,
-                    descriptor.Type.HasFlag(SamplerType.Shadow),
-                    descriptor.Type.HasFlag(SamplerType.Array),
-                    descriptor.Type.HasFlag(SamplerType.Multisample),
-                    AccessQualifier.ReadWrite,
-                    GetImageFormat(meta.Format));
-
-                var nameSuffix = meta.CbufSlot < 0 ?
-                    $"_tcb_{meta.Handle:X}_{meta.Format.ToGlslFormat()}" :
-                    $"_cb{meta.CbufSlot}_{meta.Handle:X}_{meta.Format.ToGlslFormat()}";
-
-                var imagePointerType = context.TypePointer(StorageClass.UniformConstant, imageType);
-                var imageVariable = context.Variable(imagePointerType, StorageClass.UniformConstant);
-
-                context.Images.Add(meta, (imageType, imageVariable));
-
-                context.Name(imageVariable, $"{GetStagePrefix(context.Config.Stage)}_img{nameSuffix}");
-                context.Decorate(imageVariable, Decoration.DescriptorSet, (LiteralInteger)setIndex);
-                context.Decorate(imageVariable, Decoration.Binding, (LiteralInteger)descriptor.Binding);
-
-                if (descriptor.Flags.HasFlag(TextureUsageFlags.ImageCoherent))
-                {
-                    context.Decorate(imageVariable, Decoration.Coherent);
-                }
-
-                context.AddGlobalVariable(imageVariable);
-            }
-        }
-
-        private static Dim GetDim(SamplerType type)
-        {
-            return (type & SamplerType.Mask) switch
-            {
-                SamplerType.Texture1D => Dim.Dim1D,
-                SamplerType.Texture2D => Dim.Dim2D,
-                SamplerType.Texture3D => Dim.Dim3D,
-                SamplerType.TextureCube => Dim.Cube,
-                SamplerType.TextureBuffer => Dim.Buffer,
-                _ => throw new ArgumentException($"Invalid sampler type \"{type & SamplerType.Mask}\".")
-            };
-        }
-
-        private static ImageFormat GetImageFormat(TextureFormat format)
-        {
-            return format switch
-            {
-                TextureFormat.Unknown => ImageFormat.Unknown,
-                TextureFormat.R8Unorm => ImageFormat.R8,
-                TextureFormat.R8Snorm => ImageFormat.R8Snorm,
-                TextureFormat.R8Uint => ImageFormat.R8ui,
-                TextureFormat.R8Sint => ImageFormat.R8i,
-                TextureFormat.R16Float => ImageFormat.R16f,
-                TextureFormat.R16Unorm => ImageFormat.R16,
-                TextureFormat.R16Snorm => ImageFormat.R16Snorm,
-                TextureFormat.R16Uint => ImageFormat.R16ui,
-                TextureFormat.R16Sint => ImageFormat.R16i,
-                TextureFormat.R32Float => ImageFormat.R32f,
-                TextureFormat.R32Uint => ImageFormat.R32ui,
-                TextureFormat.R32Sint => ImageFormat.R32i,
-                TextureFormat.R8G8Unorm => ImageFormat.Rg8,
-                TextureFormat.R8G8Snorm => ImageFormat.Rg8Snorm,
-                TextureFormat.R8G8Uint => ImageFormat.Rg8ui,
-                TextureFormat.R8G8Sint => ImageFormat.Rg8i,
-                TextureFormat.R16G16Float => ImageFormat.Rg16f,
-                TextureFormat.R16G16Unorm => ImageFormat.Rg16,
-                TextureFormat.R16G16Snorm => ImageFormat.Rg16Snorm,
-                TextureFormat.R16G16Uint => ImageFormat.Rg16ui,
-                TextureFormat.R16G16Sint => ImageFormat.Rg16i,
-                TextureFormat.R32G32Float => ImageFormat.Rg32f,
-                TextureFormat.R32G32Uint => ImageFormat.Rg32ui,
-                TextureFormat.R32G32Sint => ImageFormat.Rg32i,
-                TextureFormat.R8G8B8A8Unorm => ImageFormat.Rgba8,
-                TextureFormat.R8G8B8A8Snorm => ImageFormat.Rgba8Snorm,
-                TextureFormat.R8G8B8A8Uint => ImageFormat.Rgba8ui,
-                TextureFormat.R8G8B8A8Sint => ImageFormat.Rgba8i,
-                TextureFormat.R16G16B16A16Float => ImageFormat.Rgba16f,
-                TextureFormat.R16G16B16A16Unorm => ImageFormat.Rgba16,
-                TextureFormat.R16G16B16A16Snorm => ImageFormat.Rgba16Snorm,
-                TextureFormat.R16G16B16A16Uint => ImageFormat.Rgba16ui,
-                TextureFormat.R16G16B16A16Sint => ImageFormat.Rgba16i,
-                TextureFormat.R32G32B32A32Float => ImageFormat.Rgba32f,
-                TextureFormat.R32G32B32A32Uint => ImageFormat.Rgba32ui,
-                TextureFormat.R32G32B32A32Sint => ImageFormat.Rgba32i,
-                TextureFormat.R10G10B10A2Unorm => ImageFormat.Rgb10A2,
-                TextureFormat.R10G10B10A2Uint => ImageFormat.Rgb10a2ui,
-                TextureFormat.R11G11B10Float => ImageFormat.R11fG11fB10f,
-                _ => throw new ArgumentException($"Invalid texture format \"{format}\".")
-            };
-        }
-
-        private static void DeclareInputsAndOutputs(CodeGenContext context, StructuredProgramInfo info)
-        {
-            foreach (var ioDefinition in info.IoDefinitions)
-            {
-                var ioVariable = ioDefinition.IoVariable;
-
-                // Those are actually from constant buffer, rather than being actual inputs or outputs,
-                // so we must ignore them here as they are declared as part of the support buffer.
-                // TODO: Delete this after we represent this properly on the IR (as a constant buffer rather than "input").
-                if (ioVariable == IoVariable.FragmentOutputIsBgra ||
-                    ioVariable == IoVariable.SupportBlockRenderScale ||
-                    ioVariable == IoVariable.SupportBlockViewInverse)
-                {
-                    continue;
-                }
-
-                bool isOutput = ioDefinition.StorageKind.IsOutput();
-                bool isPerPatch = ioDefinition.StorageKind.IsPerPatch();
-
-                PixelImap iq = PixelImap.Unused;
-
-                if (context.Config.Stage == ShaderStage.Fragment)
-                {
-                    if (ioVariable == IoVariable.UserDefined)
-                    {
-                        iq = context.Config.ImapTypes[ioDefinition.Location].GetFirstUsedType();
-                    }
-                    else
-                    {
-                        (_, AggregateType varType) = IoMap.GetSpirvBuiltIn(ioVariable);
-                        AggregateType elemType = varType & AggregateType.ElementTypeMask;
-
-                        if (elemType == AggregateType.S32 || elemType == AggregateType.U32)
-                        {
-                            iq = PixelImap.Constant;
-                        }
-                    }
-                }
-
-                DeclareInputOrOutput(context, ioDefinition, isOutput, isPerPatch, iq);
-            }
-        }
-
-        private static void DeclareInputOrOutput(CodeGenContext context, IoDefinition ioDefinition, bool isOutput, bool isPerPatch, PixelImap iq = PixelImap.Unused)
-        {
-            IoVariable ioVariable = ioDefinition.IoVariable;
-            var storageClass = isOutput ? StorageClass.Output : StorageClass.Input;
-
-            bool isBuiltIn;
-            BuiltIn builtIn = default;
-            AggregateType varType;
-
-            if (ioVariable == IoVariable.UserDefined)
-            {
-                varType = context.Config.GetUserDefinedType(ioDefinition.Location, isOutput);
-                isBuiltIn = false;
-            }
-            else if (ioVariable == IoVariable.FragmentOutputColor)
-            {
-                varType = context.Config.GetFragmentOutputColorType(ioDefinition.Location);
-                isBuiltIn = false;
-            }
-            else
-            {
-                (builtIn, varType) = IoMap.GetSpirvBuiltIn(ioVariable);
-                isBuiltIn = true;
-
-                if (varType == AggregateType.Invalid)
-                {
-                    throw new InvalidOperationException($"Unknown variable {ioVariable}.");
-                }
-            }
-
-            bool hasComponent = context.Config.HasPerLocationInputOrOutputComponent(ioVariable, ioDefinition.Location, ioDefinition.Component, isOutput);
-
-            if (hasComponent)
-            {
-                varType &= AggregateType.ElementTypeMask;
-            }
-            else if (ioVariable == IoVariable.UserDefined && context.Config.HasTransformFeedbackOutputs(isOutput))
-            {
-                varType &= AggregateType.ElementTypeMask;
-                varType |= context.Config.GetTransformFeedbackOutputComponents(ioDefinition.Location, ioDefinition.Component) switch
-                {
-                    2 => AggregateType.Vector2,
-                    3 => AggregateType.Vector3,
-                    4 => AggregateType.Vector4,
-                    _ => AggregateType.Invalid
-                };
-            }
-
-            var spvType = context.GetType(varType, IoMap.GetSpirvBuiltInArrayLength(ioVariable));
-            bool builtInPassthrough = false;
-
-            if (!isPerPatch && IoMap.IsPerVertex(ioVariable, context.Config.Stage, isOutput))
-            {
-                int arraySize = context.Config.Stage == ShaderStage.Geometry ? context.InputVertices : 32;
-                spvType = context.TypeArray(spvType, context.Constant(context.TypeU32(), (LiteralInteger)arraySize));
-
-                if (context.Config.GpPassthrough && context.Config.GpuAccessor.QueryHostSupportsGeometryShaderPassthrough())
-                {
-                    builtInPassthrough = true;
-                }
-            }
-
-            if (context.Config.Stage == ShaderStage.TessellationControl && isOutput && !isPerPatch)
-            {
-                spvType = context.TypeArray(spvType, context.Constant(context.TypeU32(), context.Config.ThreadsPerInputPrimitive));
-            }
-
-            var spvPointerType = context.TypePointer(storageClass, spvType);
-            var spvVar = context.Variable(spvPointerType, storageClass);
-
-            if (builtInPassthrough)
-            {
-                context.Decorate(spvVar, Decoration.PassthroughNV);
-            }
-
-            if (isBuiltIn)
-            {
-                if (isPerPatch)
-                {
-                    context.Decorate(spvVar, Decoration.Patch);
-                }
-
-                if (context.Config.GpuAccessor.QueryHostReducedPrecision() && ioVariable == IoVariable.Position)
-                {
-                    context.Decorate(spvVar, Decoration.Invariant);
-                }
-
-                context.Decorate(spvVar, Decoration.BuiltIn, (LiteralInteger)builtIn);
-            }
-            else if (isPerPatch)
-            {
-                context.Decorate(spvVar, Decoration.Patch);
-
-                if (ioVariable == IoVariable.UserDefined)
-                {
-                    int location = context.Config.GetPerPatchAttributeLocation(ioDefinition.Location);
-
-                    context.Decorate(spvVar, Decoration.Location, (LiteralInteger)location);
-                }
-            }
-            else if (ioVariable == IoVariable.UserDefined)
-            {
-                context.Decorate(spvVar, Decoration.Location, (LiteralInteger)ioDefinition.Location);
-
-                if (hasComponent)
-                {
-                    context.Decorate(spvVar, Decoration.Component, (LiteralInteger)ioDefinition.Component);
-                }
-
-                if (!isOutput &&
-                    !isPerPatch &&
-                    (context.Config.PassthroughAttributes & (1 << ioDefinition.Location)) != 0 &&
-                    context.Config.GpuAccessor.QueryHostSupportsGeometryShaderPassthrough())
-                {
-                    context.Decorate(spvVar, Decoration.PassthroughNV);
-                }
-            }
-            else if (ioVariable == IoVariable.FragmentOutputColor)
-            {
-                int location = ioDefinition.Location;
-
-                if (context.Config.Stage == ShaderStage.Fragment && context.Config.GpuAccessor.QueryDualSourceBlendEnable())
-                {
-                    int firstLocation = BitOperations.TrailingZeroCount(context.Config.UsedOutputAttributes);
-                    int index = location - firstLocation;
-                    int mask = 3 << firstLocation;
-
-                    if ((uint)index < 2 && (context.Config.UsedOutputAttributes & mask) == mask)
-                    {
-                        context.Decorate(spvVar, Decoration.Location, (LiteralInteger)firstLocation);
-                        context.Decorate(spvVar, Decoration.Index, (LiteralInteger)index);
-                    }
-                    else
-                    {
-                        context.Decorate(spvVar, Decoration.Location, (LiteralInteger)location);
-                    }
-                }
-                else
-                {
-                    context.Decorate(spvVar, Decoration.Location, (LiteralInteger)location);
-                }
-            }
-
-            if (!isOutput)
-            {
-                switch (iq)
-                {
-                    case PixelImap.Constant:
-                        context.Decorate(spvVar, Decoration.Flat);
-                        break;
-                    case PixelImap.ScreenLinear:
-                        context.Decorate(spvVar, Decoration.NoPerspective);
-                        break;
-                }
-            }
-            else if (context.Config.TryGetTransformFeedbackOutput(
-                ioVariable,
-                ioDefinition.Location,
-                ioDefinition.Component,
-                out var transformFeedbackOutput))
-            {
-                context.Decorate(spvVar, Decoration.XfbBuffer, (LiteralInteger)transformFeedbackOutput.Buffer);
-                context.Decorate(spvVar, Decoration.XfbStride, (LiteralInteger)transformFeedbackOutput.Stride);
-                context.Decorate(spvVar, Decoration.Offset, (LiteralInteger)transformFeedbackOutput.Offset);
-            }
-
-            context.AddGlobalVariable(spvVar);
-
-            var dict = isPerPatch
-                ? (isOutput ? context.OutputsPerPatch : context.InputsPerPatch)
-                : (isOutput ? context.Outputs : context.Inputs);
-            dict.Add(ioDefinition, spvVar);
-        }
-
-        private static string GetStagePrefix(ShaderStage stage)
-        {
-            return StagePrefixes[(int)stage];
-        }
-    }
-}