From 88a0e720cbe567aff67b6124aa9e6cfc17599739 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sat, 20 Aug 2022 16:20:27 -0300
Subject: Use RGBA16 vertex format if RGB16 is not supported on Vulkan (#3552)

* Use RGBA16 vertex format if RGB16 is not supported on Vulkan

* Catch all shader compilation exceptions
---
 Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs |  8 ++--
 .../Engine/Threed/ThreedClassState.cs              | 50 ++++++++++++++++++++--
 2 files changed, 52 insertions(+), 6 deletions(-)

(limited to 'Ryujinx.Graphics.Gpu/Engine')

diff --git a/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs b/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
index bb43309b..fdf8f822 100644
--- a/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
+++ b/Ryujinx.Graphics.Gpu/Engine/Threed/StateUpdater.cs
@@ -1317,10 +1317,12 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
 
             for (int location = 0; location < attributeTypes.Length; location++)
             {
-                attributeTypes[location] = vertexAttribState[location].UnpackType() switch
+                VertexAttribType type = vertexAttribState[location].UnpackType();
+
+                attributeTypes[location] = type switch
                 {
-                    3 => AttributeType.Sint,
-                    4 => AttributeType.Uint,
+                    VertexAttribType.Sint => AttributeType.Sint,
+                    VertexAttribType.Uint => AttributeType.Uint,
                     _ => AttributeType.Float
                 };
             }
diff --git a/Ryujinx.Graphics.Gpu/Engine/Threed/ThreedClassState.cs b/Ryujinx.Graphics.Gpu/Engine/Threed/ThreedClassState.cs
index c90dea41..e416cd58 100644
--- a/Ryujinx.Graphics.Gpu/Engine/Threed/ThreedClassState.cs
+++ b/Ryujinx.Graphics.Gpu/Engine/Threed/ThreedClassState.cs
@@ -267,6 +267,41 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
 #pragma warning restore CS0649
     }
 
+    /// <summary>
+    /// Vertex attribute vector and component size.
+    /// </summary>
+    enum VertexAttribSize
+    {
+        Size32x4 = 1,
+        Size32x3 = 2,
+        Size16x4 = 3,
+        Size32x2 = 4,
+        Size16x3 = 5,
+        Size8x4 = 0xa,
+        Size16x2 = 0xf,
+        Size32 = 0x12,
+        Size8x3 = 0x13,
+        Size8x2 = 0x18,
+        Size16 = 0x1b,
+        Size8 = 0x1d,
+        Rgb10A2 = 0x30,
+        Rg11B10 = 0x31
+    }
+
+    /// <summary>
+    /// Vertex attribute component type.
+    /// </summary>
+    enum VertexAttribType
+    {
+        Snorm = 1,
+        Unorm = 2,
+        Sint = 3,
+        Uint = 4,
+        Uscaled = 5,
+        Sscaled = 6,
+        Float = 7
+    }
+
     /// <summary>
     /// Vertex buffer attribute state.
     /// </summary>
@@ -312,13 +347,22 @@ namespace Ryujinx.Graphics.Gpu.Engine.Threed
             return Attribute & 0x3fe00000;
         }
 
-         /// <summary>
+        /// <summary>
+        /// Unpacks the Maxwell attribute size.
+        /// </summary>
+        /// <returns>Attribute size</returns>
+        public VertexAttribSize UnpackSize()
+        {
+            return (VertexAttribSize)((Attribute >> 21) & 0x3f);
+        }
+
+        /// <summary>
         /// Unpacks the Maxwell attribute component type.
         /// </summary>
         /// <returns>Attribute component type</returns>
-        public uint UnpackType()
+        public VertexAttribType UnpackType()
         {
-            return (Attribute >> 27) & 7;
+            return (VertexAttribType)((Attribute >> 27) & 7);
         }
     }
 
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