using Ryujinx.Graphics.Shader.IntermediateRepresentation; using Ryujinx.Graphics.Shader.StructuredIr; using Ryujinx.Graphics.Shader.Translation; using System.Collections.Generic; using System.Text; namespace Ryujinx.Graphics.Shader.CodeGen.Glsl { class CodeGenContext { public const string Tab = " "; private readonly StructuredProgramInfo _info; public StructuredFunction CurrentFunction { get; set; } public ShaderConfig Config { get; } public bool CbIndexable => _info.UsesCbIndexing; public List CBufferDescriptors { get; } public List SBufferDescriptors { get; } public List TextureDescriptors { get; } public List ImageDescriptors { get; } public OperandManager OperandManager { get; } private StringBuilder _sb; private int _level; private string _indentation; public CodeGenContext(StructuredProgramInfo info, ShaderConfig config) { _info = info; Config = config; CBufferDescriptors = new List(); SBufferDescriptors = new List(); TextureDescriptors = new List(); ImageDescriptors = new List(); OperandManager = new OperandManager(); _sb = new StringBuilder(); } public void AppendLine() { _sb.AppendLine(); } public void AppendLine(string str) { _sb.AppendLine(_indentation + str); } public string GetCode() { return _sb.ToString(); } public void EnterScope() { AppendLine("{"); _level++; UpdateIndentation(); } public void LeaveScope(string suffix = "") { if (_level == 0) { return; } _level--; UpdateIndentation(); AppendLine("}" + suffix); } private int FindDescriptorIndex(List list, AstTextureOperation texOp) { return list.FindIndex(descriptor => descriptor.Type == texOp.Type && descriptor.CbufSlot == texOp.CbufSlot && descriptor.HandleIndex == texOp.Handle && descriptor.Format == texOp.Format); } public int FindTextureDescriptorIndex(AstTextureOperation texOp) { return FindDescriptorIndex(TextureDescriptors, texOp); } public int FindImageDescriptorIndex(AstTextureOperation texOp) { return FindDescriptorIndex(ImageDescriptors, texOp); } public StructuredFunction GetFunction(int id) { return _info.Functions[id]; } private void UpdateIndentation() { _indentation = GetIndentation(_level); } private static string GetIndentation(int level) { string indentation = string.Empty; for (int index = 0; index < level; index++) { indentation += Tab; } return indentation; } } }