Merge shader branch, adding support for GLSL decompilation, a macro

interpreter, and a rewrite of the GPU code.

Ryujinx.Graphics/Gal/Shader/ShaderIrBlock.cs

@@ -0,0 +1,39 @@
+using System.Collections.Generic;
+
+namespace Ryujinx.Graphics.Gal.Shader
+{
+    class ShaderIrBlock
+    {
+        private List<ShaderIrNode> Nodes;
+
+        public ShaderIrBlock()
+        {
+            Nodes = new List<ShaderIrNode>();
+        }
+
+        public void AddNode(ShaderIrNode Node)
+        {
+            Nodes.Add(Node);
+        }
+
+        public void RunOptimizationPasses(GalShaderType ShaderType)
+        {
+            ShaderOptExprProp.Optimize(Nodes, ShaderType);
+        }
+
+        public ShaderIrNode[] GetNodes()
+        {
+            return Nodes.ToArray();
+        }
+
+        public ShaderIrNode GetLastNode()
+        {
+            if (Nodes.Count > 0)
+            {
+                return Nodes[Nodes.Count - 1];
+            }
+
+            return null;
+        }
+    }
+}