Implement DrawTexture functionality (#2747)

* Implement DrawTexture functionality

* Non-NVIDIA support

* Disable some features that should not affect draw texture (slow path)

* Remove space from shader source

* Match 2D engine names

* Fix resolution scale and add missing XML docs

* Disable transform feedback for draw texture fallback

Ryujinx.Graphics.GAL/IPipeline.cs

@@ -32,6 +32,7 @@ namespace Ryujinx.Graphics.GAL
             int firstIndex,
             int firstVertex,
             int firstInstance);
+        void DrawTexture(ITexture texture, ISampler sampler, Extents2DF srcRegion, Extents2DF dstRegion);
 
         void EndTransformFeedback();