Refactor attribute handling on the shader generator (#4565)

* Refactor attribute handling on the shader generator

* Implement gl_ViewportMask[]

* Add back the Intel FrontFacing bug workaround

* Fix GLSL transform feedback outputs mistmatch with fragment stage

* Shader cache version bump

* Fix geometry shader recognition

* PR feedback

* Delete GetOperandDef and GetOperandUse

* Remove replacements that are no longer needed on GLSL compilation on Vulkan

* Fix incorrect load for per-patch outputs

* Fix build

Ryujinx.Graphics.Shader/IGpuAccessor.cs

@@ -305,9 +305,9 @@ namespace Ryujinx.Graphics.Shader
         }
 
         /// <summary>
-        /// Queries host support for writes to Layer from vertex or tessellation shader stages.
+        /// Queries host support for writes to the layer from vertex or tessellation shader stages.
         /// </summary>
-        /// <returns>True if writes to layer from vertex or tessellation are supported, false otherwise</returns>
+        /// <returns>True if writes to the layer from vertex or tessellation are supported, false otherwise</returns>
         bool QueryHostSupportsLayerVertexTessellation()
         {
             return true;
@@ -350,10 +350,19 @@ namespace Ryujinx.Graphics.Shader
         }
 
         /// <summary>
-        /// Queries host GPU shader viewport index output support.
+        /// Queries host support for writes to the viewport index from vertex or tessellation shader stages.
         /// </summary>
-        /// <returns>True if the GPU and driver supports shader viewport index output, false otherwise</returns>
-        bool QueryHostSupportsViewportIndex()
+        /// <returns>True if writes to the viewport index from vertex or tessellation are supported, false otherwise</returns>
+        bool QueryHostSupportsViewportIndexVertexTessellation()
+        {
+            return true;
+        }
+
+        /// <summary>
+        /// Queries host GPU shader viewport mask output support.
+        /// </summary>
+        /// <returns>True if the GPU and driver supports shader viewport mask output, false otherwise</returns>
+        bool QueryHostSupportsViewportMask()
         {
             return true;
         }