Add support for alpha to coverage dithering (#3069)

* Add support for alpha to coverage dithering

* Shader cache version bump

* Fix wrong alpha register

* Ensure support buffer is cleared

* New shader specialization based approach

2 files changed, 7 insertions, 1 deletions

diff --git a/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs b/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs
index bc63f714..e5476426 100644
--- a/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs
+++ b/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheGpuAccessor.cs
@@ -68,6 +68,12 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         }
 
         /// <inheritdoc/>
+        public bool QueryAlphaToCoverageDitherEnable()
+        {
+            return _oldSpecState.GraphicsState.AlphaToCoverageEnable && _oldSpecState.GraphicsState.AlphaToCoverageDitherEnable;
+        }
+
+        /// <inheritdoc/>
         public int QueryBindingConstantBuffer(int index)
         {
             return _resourceCounts.UniformBuffersCount++;
diff --git a/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs b/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
index 59801001..37b25793 100644
--- a/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
+++ b/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs
@@ -21,7 +21,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache
         private const ushort FileFormatVersionMajor = 1;
         private const ushort FileFormatVersionMinor = 1;
         private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor;
-        private const uint CodeGenVersion = 3424;
+        private const uint CodeGenVersion = 3069;
 
         private const string SharedTocFileName = "shared.toc";
         private const string SharedDataFileName = "shared.data";