Implement Shader Instructions SUATOM and SURED (#2090)

* Initial Implementation

* Further improvements (no support for float/64-bit types)

* Merge atomic and reduce instructions, add missing format switch

* Fix rebase issues.

* Not used.

* Whoops. Fixed.

* Partial implementation of inc/dec, cleanup and TODOs

* Remove testing path

* Address Feedback

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

@@ -362,7 +362,8 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
                 }
                 else if (operation is AstTextureOperation texOp &&
                          (texOp.Inst == Instruction.ImageLoad ||
-                          texOp.Inst == Instruction.ImageStore))
+                          texOp.Inst == Instruction.ImageStore ||
+                          texOp.Inst == Instruction.ImageAtomic))
                 {
                     return texOp.Format.GetComponentType();
                 }