From 402f05b8ef013807997589ecc0a8ff50267dcd23 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sat, 20 May 2023 16:19:26 -0300
Subject: Replace constant buffer access on shader with new Load instruction
 (#4646)

---
 src/Ryujinx.Graphics.Shader/SupportBuffer.cs | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'src/Ryujinx.Graphics.Shader/SupportBuffer.cs')

diff --git a/src/Ryujinx.Graphics.Shader/SupportBuffer.cs b/src/Ryujinx.Graphics.Shader/SupportBuffer.cs
index 5fe99327..5eb7fe46 100644
--- a/src/Ryujinx.Graphics.Shader/SupportBuffer.cs
+++ b/src/Ryujinx.Graphics.Shader/SupportBuffer.cs
@@ -1,4 +1,6 @@
 using Ryujinx.Common.Memory;
+using Ryujinx.Graphics.Shader.StructuredIr;
+using Ryujinx.Graphics.Shader.Translation;
 using System.Runtime.CompilerServices;
 
 namespace Ryujinx.Graphics.Shader
@@ -11,8 +13,20 @@ namespace Ryujinx.Graphics.Shader
         public T W;
     }
 
+    enum SupportBufferField
+    {
+        // Must match the order of the fields on the struct.
+        FragmentAlphaTest,
+        FragmentIsBgra,
+        ViewportInverse,
+        FragmentRenderScaleCount,
+        RenderScale
+    }
+
     public struct SupportBuffer
     {
+        internal const int Binding = 0;
+
         public static int FieldSize;
         public static int RequiredSize;
 
@@ -47,6 +61,18 @@ namespace Ryujinx.Graphics.Shader
             ComputeRenderScaleOffset = GraphicsRenderScaleOffset + FieldSize;
         }
 
+        internal static StructureType GetStructureType()
+        {
+            return new StructureType(new[]
+            {
+                new StructureField(AggregateType.U32, "s_alpha_test"),
+                new StructureField(AggregateType.Array | AggregateType.U32, "s_is_bgra", FragmentIsBgraCount),
+                new StructureField(AggregateType.Vector4 | AggregateType.FP32, "s_viewport_inverse"),
+                new StructureField(AggregateType.S32, "s_frag_scale_count"),
+                new StructureField(AggregateType.Array | AggregateType.FP32, "s_render_scale", RenderScaleMaxCount)
+            });
+        }
+
         public Vector4<int> FragmentAlphaTest;
         public Array8<Vector4<int>> FragmentIsBgra;
         public Vector4<float> ViewportInverse;
-- 
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