From c27e453fd342688ea2a75a973566d711b00efcbb Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Wed, 31 May 2023 17:17:50 -0300
Subject: [PATCH] Share ResourceManager vertex vertex A and B shaders (#5181)

---
 .../Shader/GpuAccessorBase.cs                  | 18 +-----------------
 .../Translation/ResourceManager.cs             | 15 ++-------------
 .../Translation/ShaderConfig.cs                |  9 +++------
 .../Translation/TranslatorContext.cs           |  3 +++
 4 files changed, 9 insertions(+), 36 deletions(-)

diff --git a/src/Ryujinx.Graphics.Gpu/Shader/GpuAccessorBase.cs b/src/Ryujinx.Graphics.Gpu/Shader/GpuAccessorBase.cs
index d206aad0b..0001243d4 100644
--- a/src/Ryujinx.Graphics.Gpu/Shader/GpuAccessorBase.cs
+++ b/src/Ryujinx.Graphics.Gpu/Shader/GpuAccessorBase.cs
@@ -17,8 +17,6 @@ namespace Ryujinx.Graphics.Gpu.Shader
         private readonly ResourceCounts _resourceCounts;
         private readonly int _stageIndex;
 
-        private readonly int[] _constantBufferBindings;
-
         /// <summary>
         /// Creates a new GPU accessor.
         /// </summary>
@@ -28,12 +26,6 @@ namespace Ryujinx.Graphics.Gpu.Shader
             _context = context;
             _resourceCounts = resourceCounts;
             _stageIndex = stageIndex;
-
-            if (context.Capabilities.Api != TargetApi.Vulkan)
-            {
-                _constantBufferBindings = new int[Constants.TotalGpUniformBuffers];
-                _constantBufferBindings.AsSpan().Fill(-1);
-            }
         }
 
         public int QueryBindingConstantBuffer(int index)
@@ -45,15 +37,7 @@ namespace Ryujinx.Graphics.Gpu.Shader
             }
             else
             {
-                int binding = _constantBufferBindings[index];
-
-                if (binding < 0)
-                {
-                    binding = _resourceCounts.UniformBuffersCount++;
-                    _constantBufferBindings[index] = binding;
-                }
-
-                return binding;
+                return _resourceCounts.UniformBuffersCount++;
             }
         }
 
diff --git a/src/Ryujinx.Graphics.Shader/Translation/ResourceManager.cs b/src/Ryujinx.Graphics.Shader/Translation/ResourceManager.cs
index b31790d34..a2cfbe227 100644
--- a/src/Ryujinx.Graphics.Shader/Translation/ResourceManager.cs
+++ b/src/Ryujinx.Graphics.Shader/Translation/ResourceManager.cs
@@ -17,6 +17,8 @@ namespace Ryujinx.Graphics.Shader.Translation
 
         private readonly HashSet<int> _usedConstantBufferBindings;
 
+        public ShaderProperties Properties => _properties;
+
         public ResourceManager(ShaderStage stage, IGpuAccessor gpuAccessor, ShaderProperties properties)
         {
             _gpuAccessor = gpuAccessor;
@@ -98,19 +100,6 @@ namespace Ryujinx.Graphics.Shader.Translation
             _properties.AddConstantBuffer(binding, new BufferDefinition(BufferLayout.Std140, 0, binding, name, type));
         }
 
-        public void InheritFrom(ResourceManager other)
-        {
-            for (int i = 0; i < other._cbSlotToBindingMap.Length; i++)
-            {
-                int binding = other._cbSlotToBindingMap[i];
-
-                if (binding >= 0)
-                {
-                    _cbSlotToBindingMap[i] = binding;
-                }
-            }
-        }
-
         public static string GetShaderStagePrefix(ShaderStage stage)
         {
             uint index = (uint)stage;
diff --git a/src/Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs b/src/Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
index 73525cb27..40a32e2dc 100644
--- a/src/Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
+++ b/src/Ryujinx.Graphics.Shader/Translation/ShaderConfig.cs
@@ -39,9 +39,9 @@ namespace Ryujinx.Graphics.Shader.Translation
 
         public TranslationOptions Options { get; }
 
-        public ShaderProperties Properties { get; }
+        public ShaderProperties Properties => ResourceManager.Properties;
 
-        public ResourceManager ResourceManager { get; }
+        public ResourceManager ResourceManager { get; set; }
 
         public bool TransformFeedbackEnabled { get; }
 
@@ -159,8 +159,7 @@ namespace Ryujinx.Graphics.Shader.Translation
             _sbSlots        = new Dictionary<int, int>();
             _sbSlotsReverse = new Dictionary<int, int>();
 
-            Properties = new ShaderProperties();
-            ResourceManager = new ResourceManager(stage, gpuAccessor, Properties);
+            ResourceManager = new ResourceManager(stage, gpuAccessor, new ShaderProperties());
         }
 
         public ShaderConfig(
@@ -429,8 +428,6 @@ namespace Ryujinx.Graphics.Shader.Translation
 
         public void InheritFrom(ShaderConfig other)
         {
-            ResourceManager.InheritFrom(other.ResourceManager);
-
             ClipDistancesWritten |= other.ClipDistancesWritten;
             UsedFeatures |= other.UsedFeatures;
 
diff --git a/src/Ryujinx.Graphics.Shader/Translation/TranslatorContext.cs b/src/Ryujinx.Graphics.Shader/Translation/TranslatorContext.cs
index 4b4cc8d9f..9647b13f1 100644
--- a/src/Ryujinx.Graphics.Shader/Translation/TranslatorContext.cs
+++ b/src/Ryujinx.Graphics.Shader/Translation/TranslatorContext.cs
@@ -155,6 +155,9 @@ namespace Ryujinx.Graphics.Shader.Translation
             {
                 other._config.MergeOutputUserAttributes(_config.UsedOutputAttributes, Enumerable.Empty<int>());
 
+                // We need to share the resource manager since both shaders accesses the same constant buffers.
+                other._config.ResourceManager = _config.ResourceManager;
+
                 FunctionCode[] otherCode = EmitShader(other._program, other._config, initializeOutputs: true, out int aStart);
 
                 code = Combine(otherCode, code, aStart);