mirror of
https://github.com/ryujinx-mirror/ryujinx.git
synced 2024-12-24 23:26:55 +00:00
796e5d14b4
* Use correct shader local size instead of a hardcoded size * Remove unused uniform block * Update XML doc * Local memory size has 23 bits on maxwell * Generate compute QMD struct from nv open doc header * Remove dummy arrays when shared or local memory is not used, other improvements
479 lines
17 KiB
C#
479 lines
17 KiB
C#
using Ryujinx.Common;
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using Ryujinx.Graphics.Shader.IntermediateRepresentation;
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using Ryujinx.Graphics.Shader.StructuredIr;
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using Ryujinx.Graphics.Shader.Translation;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
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{
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static class Declarations
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{
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// At least 16 attributes are guaranteed by the spec.
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public const int MaxAttributes = 16;
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public static void Declare(CodeGenContext context, StructuredProgramInfo info)
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{
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context.AppendLine("#version 420 core");
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context.AppendLine("#extension GL_ARB_gpu_shader_int64 : enable");
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context.AppendLine("#extension GL_ARB_shader_ballot : enable");
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context.AppendLine("#extension GL_ARB_shader_group_vote : enable");
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context.AppendLine("#extension GL_ARB_shader_storage_buffer_object : enable");
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if (context.Config.Stage == ShaderStage.Compute)
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{
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context.AppendLine("#extension GL_ARB_compute_shader : enable");
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}
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context.AppendLine("#pragma optionNV(fastmath off)");
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context.AppendLine();
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context.AppendLine($"const int {DefaultNames.UndefinedName} = 0;");
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context.AppendLine();
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if (context.Config.Stage == ShaderStage.Geometry)
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{
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string inPrimitive = ((InputTopology)context.Config.QueryInfo(QueryInfoName.PrimitiveTopology)).ToGlslString();
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context.AppendLine($"layout ({inPrimitive}) in;");
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string outPrimitive = context.Config.OutputTopology.ToGlslString();
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int maxOutputVertices = context.Config.MaxOutputVertices;
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context.AppendLine($"layout ({outPrimitive}, max_vertices = {maxOutputVertices}) out;");
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context.AppendLine();
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}
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if (context.Config.Stage == ShaderStage.Compute)
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{
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int localMemorySize = BitUtils.DivRoundUp(context.Config.QueryInfo(QueryInfoName.ComputeLocalMemorySize), 4);
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if (localMemorySize != 0)
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{
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string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
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context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
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context.AppendLine();
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}
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int sharedMemorySize = BitUtils.DivRoundUp(context.Config.QueryInfo(QueryInfoName.ComputeSharedMemorySize), 4);
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if (sharedMemorySize != 0)
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{
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string sharedMemorySizeStr = NumberFormatter.FormatInt(sharedMemorySize);
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context.AppendLine($"shared uint {DefaultNames.SharedMemoryName}[{sharedMemorySizeStr}];");
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context.AppendLine();
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}
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}
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else if (context.Config.LocalMemorySize != 0)
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{
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int localMemorySize = BitUtils.DivRoundUp(context.Config.LocalMemorySize, 4);
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string localMemorySizeStr = NumberFormatter.FormatInt(localMemorySize);
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context.AppendLine($"uint {DefaultNames.LocalMemoryName}[{localMemorySizeStr}];");
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context.AppendLine();
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}
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if (info.CBuffers.Count != 0)
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{
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DeclareUniforms(context, info);
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context.AppendLine();
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}
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if (info.SBuffers.Count != 0)
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{
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DeclareStorages(context, info);
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context.AppendLine();
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}
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if (info.Samplers.Count != 0)
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{
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DeclareSamplers(context, info);
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context.AppendLine();
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}
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if (info.Images.Count != 0)
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{
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DeclareImages(context, info);
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context.AppendLine();
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}
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if (context.Config.Stage != ShaderStage.Compute)
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{
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if (info.IAttributes.Count != 0)
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{
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DeclareInputAttributes(context, info);
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context.AppendLine();
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}
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if (info.OAttributes.Count != 0 || context.Config.Stage != ShaderStage.Fragment)
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{
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DeclareOutputAttributes(context, info);
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context.AppendLine();
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}
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}
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else
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{
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string localSizeX = NumberFormatter.FormatInt(context.Config.QueryInfo(QueryInfoName.ComputeLocalSizeX));
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string localSizeY = NumberFormatter.FormatInt(context.Config.QueryInfo(QueryInfoName.ComputeLocalSizeY));
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string localSizeZ = NumberFormatter.FormatInt(context.Config.QueryInfo(QueryInfoName.ComputeLocalSizeZ));
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context.AppendLine(
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"layout (" +
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$"local_size_x = {localSizeX}, " +
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$"local_size_y = {localSizeY}, " +
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$"local_size_z = {localSizeZ}) in;");
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context.AppendLine();
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}
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if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighS32) != 0)
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{
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AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighS32.glsl");
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}
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if ((info.HelperFunctionsMask & HelperFunctionsMask.MultiplyHighU32) != 0)
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{
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AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/MultiplyHighU32.glsl");
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}
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if ((info.HelperFunctionsMask & HelperFunctionsMask.Shuffle) != 0)
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{
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AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/Shuffle.glsl");
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}
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if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleDown) != 0)
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{
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AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleDown.glsl");
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}
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if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleUp) != 0)
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{
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AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleUp.glsl");
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}
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if ((info.HelperFunctionsMask & HelperFunctionsMask.ShuffleXor) != 0)
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{
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AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/ShuffleXor.glsl");
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}
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if ((info.HelperFunctionsMask & HelperFunctionsMask.SwizzleAdd) != 0)
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{
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AppendHelperFunction(context, "Ryujinx.Graphics.Shader/CodeGen/Glsl/HelperFunctions/SwizzleAdd.glsl");
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}
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}
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public static void DeclareLocals(CodeGenContext context, StructuredProgramInfo info)
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{
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foreach (AstOperand decl in info.Locals)
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{
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string name = context.OperandManager.DeclareLocal(decl);
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context.AppendLine(GetVarTypeName(decl.VarType) + " " + name + ";");
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}
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}
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private static string GetVarTypeName(VariableType type)
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{
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switch (type)
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{
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case VariableType.Bool: return "bool";
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case VariableType.F32: return "precise float";
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case VariableType.S32: return "int";
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case VariableType.U32: return "uint";
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}
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throw new ArgumentException($"Invalid variable type \"{type}\".");
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}
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private static void DeclareUniforms(CodeGenContext context, StructuredProgramInfo info)
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{
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foreach (int cbufSlot in info.CBuffers.OrderBy(x => x))
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{
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string ubName = OperandManager.GetShaderStagePrefix(context.Config.Stage);
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ubName += "_" + DefaultNames.UniformNamePrefix + cbufSlot;
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context.CBufferDescriptors.Add(new BufferDescriptor(ubName, cbufSlot));
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context.AppendLine("layout (std140) uniform " + ubName);
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context.EnterScope();
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string ubSize = "[" + NumberFormatter.FormatInt(Constants.ConstantBufferSize / 16) + "]";
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context.AppendLine("vec4 " + OperandManager.GetUbName(context.Config.Stage, cbufSlot) + ubSize + ";");
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context.LeaveScope(";");
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}
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}
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private static void DeclareStorages(CodeGenContext context, StructuredProgramInfo info)
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{
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string sbName = OperandManager.GetShaderStagePrefix(context.Config.Stage);
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sbName += "_" + DefaultNames.StorageNamePrefix;
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string blockName = $"{sbName}_{DefaultNames.BlockSuffix}";
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int maxSlot = 0;
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foreach (int sbufSlot in info.SBuffers)
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{
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context.SBufferDescriptors.Add(new BufferDescriptor($"{blockName}[{sbufSlot}]", sbufSlot));
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if (maxSlot < sbufSlot)
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{
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maxSlot = sbufSlot;
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}
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}
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context.AppendLine("layout (std430) buffer " + blockName);
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context.EnterScope();
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context.AppendLine("uint " + DefaultNames.DataName + "[];");
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string arraySize = NumberFormatter.FormatInt(maxSlot + 1);
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context.LeaveScope($" {sbName}[{arraySize}];");
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}
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private static void DeclareSamplers(CodeGenContext context, StructuredProgramInfo info)
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{
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Dictionary<string, AstTextureOperation> samplers = new Dictionary<string, AstTextureOperation>();
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foreach (AstTextureOperation texOp in info.Samplers.OrderBy(x => x.Handle))
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{
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string indexExpr = NumberFormatter.FormatInt(texOp.ArraySize);
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string samplerName = OperandManager.GetSamplerName(context.Config.Stage, texOp, indexExpr);
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if (!samplers.TryAdd(samplerName, texOp))
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{
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continue;
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}
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string samplerTypeName = GetSamplerTypeName(texOp.Type);
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context.AppendLine("uniform " + samplerTypeName + " " + samplerName + ";");
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}
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foreach (KeyValuePair<string, AstTextureOperation> kv in samplers)
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{
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string samplerName = kv.Key;
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AstTextureOperation texOp = kv.Value;
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TextureDescriptor desc;
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if ((texOp.Flags & TextureFlags.Bindless) != 0)
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{
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AstOperand operand = texOp.GetSource(0) as AstOperand;
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desc = new TextureDescriptor(samplerName, texOp.Type, operand.CbufSlot, operand.CbufOffset);
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context.TextureDescriptors.Add(desc);
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}
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else if ((texOp.Type & SamplerType.Indexed) != 0)
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{
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for (int index = 0; index < texOp.ArraySize; index++)
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{
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string indexExpr = NumberFormatter.FormatInt(index);
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string indexedSamplerName = OperandManager.GetSamplerName(context.Config.Stage, texOp, indexExpr);
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desc = new TextureDescriptor(indexedSamplerName, texOp.Type, texOp.Handle + index * 2);
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context.TextureDescriptors.Add(desc);
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}
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}
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else
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{
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desc = new TextureDescriptor(samplerName, texOp.Type, texOp.Handle);
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context.TextureDescriptors.Add(desc);
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}
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}
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}
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private static void DeclareImages(CodeGenContext context, StructuredProgramInfo info)
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{
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Dictionary<string, AstTextureOperation> images = new Dictionary<string, AstTextureOperation>();
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foreach (AstTextureOperation texOp in info.Images.OrderBy(x => x.Handle))
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{
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string indexExpr = NumberFormatter.FormatInt(texOp.ArraySize);
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string imageName = OperandManager.GetImageName(context.Config.Stage, texOp, indexExpr);
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if (!images.TryAdd(imageName, texOp))
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{
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continue;
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}
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string imageTypeName = GetImageTypeName(texOp.Type);
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context.AppendLine("writeonly uniform " + imageTypeName + " " + imageName + ";");
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}
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foreach (KeyValuePair<string, AstTextureOperation> kv in images)
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{
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string imageName = kv.Key;
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AstTextureOperation texOp = kv.Value;
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if ((texOp.Type & SamplerType.Indexed) != 0)
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{
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for (int index = 0; index < texOp.ArraySize; index++)
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{
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string indexExpr = NumberFormatter.FormatInt(index);
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string indexedSamplerName = OperandManager.GetSamplerName(context.Config.Stage, texOp, indexExpr);
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var desc = new TextureDescriptor(indexedSamplerName, texOp.Type, texOp.Handle + index * 2);
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context.TextureDescriptors.Add(desc);
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}
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}
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else
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{
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var desc = new TextureDescriptor(imageName, texOp.Type, texOp.Handle);
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context.ImageDescriptors.Add(desc);
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}
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}
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}
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private static void DeclareInputAttributes(CodeGenContext context, StructuredProgramInfo info)
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{
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string suffix = context.Config.Stage == ShaderStage.Geometry ? "[]" : string.Empty;
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foreach (int attr in info.IAttributes.OrderBy(x => x))
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{
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string iq = info.InterpolationQualifiers[attr].ToGlslQualifier();
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if (iq != string.Empty)
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{
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iq += " ";
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}
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context.AppendLine($"layout (location = {attr}) {iq}in vec4 {DefaultNames.IAttributePrefix}{attr}{suffix};");
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}
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}
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private static void DeclareOutputAttributes(CodeGenContext context, StructuredProgramInfo info)
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{
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if (context.Config.Stage == ShaderStage.Fragment)
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{
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DeclareUsedOutputAttributes(context, info);
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}
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else
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{
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DeclareAllOutputAttributes(context, info);
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}
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}
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private static void DeclareUsedOutputAttributes(CodeGenContext context, StructuredProgramInfo info)
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{
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foreach (int attr in info.OAttributes.OrderBy(x => x))
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{
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context.AppendLine($"layout (location = {attr}) out vec4 {DefaultNames.OAttributePrefix}{attr};");
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}
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}
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private static void DeclareAllOutputAttributes(CodeGenContext context, StructuredProgramInfo info)
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{
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for (int attr = 0; attr < MaxAttributes; attr++)
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{
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string iq = $"{DefineNames.OutQualifierPrefixName}{attr} ";
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context.AppendLine($"layout (location = {attr}) {iq}out vec4 {DefaultNames.OAttributePrefix}{attr};");
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}
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foreach (int attr in info.OAttributes.OrderBy(x => x).Where(x => x >= MaxAttributes))
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{
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context.AppendLine($"layout (location = {attr}) out vec4 {DefaultNames.OAttributePrefix}{attr};");
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}
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}
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private static void AppendHelperFunction(CodeGenContext context, string filename)
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{
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string code = EmbeddedResources.ReadAllText(filename);
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context.AppendLine(code.Replace("\t", CodeGenContext.Tab));
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context.AppendLine();
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}
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private static string GetSamplerTypeName(SamplerType type)
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{
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string typeName;
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switch (type & SamplerType.Mask)
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{
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case SamplerType.Texture1D: typeName = "sampler1D"; break;
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case SamplerType.TextureBuffer: typeName = "samplerBuffer"; break;
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case SamplerType.Texture2D: typeName = "sampler2D"; break;
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case SamplerType.Texture3D: typeName = "sampler3D"; break;
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case SamplerType.TextureCube: typeName = "samplerCube"; break;
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default: throw new ArgumentException($"Invalid sampler type \"{type}\".");
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}
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if ((type & SamplerType.Multisample) != 0)
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{
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typeName += "MS";
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}
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if ((type & SamplerType.Array) != 0)
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{
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typeName += "Array";
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}
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if ((type & SamplerType.Shadow) != 0)
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{
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typeName += "Shadow";
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}
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return typeName;
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}
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private static string GetImageTypeName(SamplerType type)
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{
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string typeName;
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switch (type & SamplerType.Mask)
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{
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case SamplerType.Texture1D: typeName = "image1D"; break;
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case SamplerType.TextureBuffer: typeName = "imageBuffer"; break;
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case SamplerType.Texture2D: typeName = "image2D"; break;
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case SamplerType.Texture3D: typeName = "image3D"; break;
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case SamplerType.TextureCube: typeName = "imageCube"; break;
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default: throw new ArgumentException($"Invalid sampler type \"{type}\".");
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}
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if ((type & SamplerType.Multisample) != 0)
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{
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typeName += "MS";
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}
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if ((type & SamplerType.Array) != 0)
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{
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typeName += "Array";
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}
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return typeName;
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}
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}
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} |