Initial work

Ryujinx.Graphics.Shader/CodeGen/Glsl/CodeGenContext.cs

@@ -0,0 +1,92 @@
+using System.Collections.Generic;
+using System.Text;
+
+namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
+{
+    class CodeGenContext
+    {
+        private const string Tab = "    ";
+
+        public ShaderConfig Config { get; }
+
+        public List<BufferDescriptor>  CBufferDescriptors { get; }
+        public List<BufferDescriptor>  SBufferDescriptors { get; }
+        public List<TextureDescriptor> TextureDescriptors { get; }
+
+        public OperandManager OperandManager { get; }
+
+        private StringBuilder _sb;
+
+        private int _level;
+
+        private string _indentation;
+
+        public CodeGenContext(ShaderConfig config)
+        {
+            Config = config;
+
+            CBufferDescriptors = new List<BufferDescriptor>();
+            SBufferDescriptors = new List<BufferDescriptor>();
+            TextureDescriptors = new List<TextureDescriptor>();
+
+            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 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;
+        }
+    }
+}