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.OpenGL/HwCapabilities.cs

@@ -20,6 +20,7 @@ namespace Ryujinx.Graphics.OpenGL
         private static readonly Lazy<bool> _supportsSeamlessCubemapPerTexture    = new Lazy<bool>(() => HasExtension("GL_ARB_seamless_cubemap_per_texture"));
         private static readonly Lazy<bool> _supportsShaderBallot                 = new Lazy<bool>(() => HasExtension("GL_ARB_shader_ballot"));
         private static readonly Lazy<bool> _supportsShaderViewportLayerArray     = new Lazy<bool>(() => HasExtension("GL_ARB_shader_viewport_layer_array"));
+        private static readonly Lazy<bool> _supportsViewportArray2               = new Lazy<bool>(() => HasExtension("GL_NV_viewport_array2"));
         private static readonly Lazy<bool> _supportsTextureCompressionBptc       = new Lazy<bool>(() => HasExtension("GL_EXT_texture_compression_bptc"));
         private static readonly Lazy<bool> _supportsTextureCompressionRgtc       = new Lazy<bool>(() => HasExtension("GL_EXT_texture_compression_rgtc"));
         private static readonly Lazy<bool> _supportsTextureCompressionS3tc       = new Lazy<bool>(() => HasExtension("GL_EXT_texture_compression_s3tc"));
@@ -65,6 +66,7 @@ namespace Ryujinx.Graphics.OpenGL
         public static bool SupportsSeamlessCubemapPerTexture    => _supportsSeamlessCubemapPerTexture.Value;
         public static bool SupportsShaderBallot                 => _supportsShaderBallot.Value;
         public static bool SupportsShaderViewportLayerArray     => _supportsShaderViewportLayerArray.Value;
+        public static bool SupportsViewportArray2               => _supportsViewportArray2.Value;
         public static bool SupportsTextureCompressionBptc       => _supportsTextureCompressionBptc.Value;
         public static bool SupportsTextureCompressionRgtc       => _supportsTextureCompressionRgtc.Value;
         public static bool SupportsTextureCompressionS3tc       => _supportsTextureCompressionS3tc.Value;