Separate GPU engines (part 2/2) (#2440)

* 3D engine now uses DeviceState too, plus new state modification tracking

* Remove old methods code

* Remove GpuState and friends

* Optimize DeviceState, force inline some functions

* This change was not supposed to go in

* Proper channel initialization

* Optimize state read/write methods even more

* Fix debug build

* Do not dirty state if the write is redundant

* The YControl register should dirty either the viewport or front face state too, to update the host origin

* Avoid redundant vertex buffer updates

* Move state and get rid of the Ryujinx.Graphics.Gpu.State namespace

* Comments and nits

* Fix rebase

* PR feedback

* Move changed = false to improve codegen

* PR feedback

* Carry RyuJIT a bit more

Ryujinx.Graphics.Gpu/GpuContext.cs

@@ -1,5 +1,4 @@
 using Ryujinx.Graphics.GAL;
-using Ryujinx.Graphics.Gpu.Engine;
 using Ryujinx.Graphics.Gpu.Engine.GPFifo;
 using Ryujinx.Graphics.Gpu.Memory;
 using Ryujinx.Graphics.Gpu.Shader;
@@ -26,11 +25,6 @@ namespace Ryujinx.Graphics.Gpu
         /// </summary>
         public IRenderer Renderer { get; }
 
-        /// <summary>
-        /// GPU engine methods processing.
-        /// </summary>
-        internal Methods Methods { get; }
-
         /// <summary>
         /// GPU General Purpose FIFO queue.
         /// </summary>
@@ -94,8 +88,6 @@ namespace Ryujinx.Graphics.Gpu
         {
             Renderer = renderer;
 
-            Methods = new Methods(this);
-
             GPFifo = new GPFifoDevice(this);
 
             Synchronization = new SynchronizationManager();