3 files changed, 6 insertions, 3 deletions

diff --git a/Ryujinx.Graphics.OpenGL/EnumConversion.cs b/Ryujinx.Graphics.OpenGL/EnumConversion.cs
index 4a06e9649..f262c584c 100644
--- a/Ryujinx.Graphics.OpenGL/EnumConversion.cs
+++ b/Ryujinx.Graphics.OpenGL/EnumConversion.cs
@@ -331,7 +331,7 @@ namespace Ryujinx.Graphics.OpenGL
                 case PrimitiveTopology.QuadStrip:
                     return PrimitiveType.QuadStrip;
                 case PrimitiveTopology.Polygon:
-                    return PrimitiveType.Polygon;
+                    return PrimitiveType.TriangleFan;
                 case PrimitiveTopology.LinesAdjacency:
                     return PrimitiveType.LinesAdjacency;
                 case PrimitiveTopology.LineStripAdjacency:
diff --git a/Ryujinx.Graphics.Vulkan/EnumConversion.cs b/Ryujinx.Graphics.Vulkan/EnumConversion.cs
index 804cd70c4..9d9be65eb 100644
--- a/Ryujinx.Graphics.Vulkan/EnumConversion.cs
+++ b/Ryujinx.Graphics.Vulkan/EnumConversion.cs
@@ -180,6 +180,7 @@ namespace Ryujinx.Graphics.Vulkan
                 GAL.PrimitiveTopology.TrianglesAdjacency => Silk.NET.Vulkan.PrimitiveTopology.TriangleListWithAdjacency,
                 GAL.PrimitiveTopology.TriangleStripAdjacency => Silk.NET.Vulkan.PrimitiveTopology.TriangleStripWithAdjacency,
                 GAL.PrimitiveTopology.Patches => Silk.NET.Vulkan.PrimitiveTopology.PatchList,
+                GAL.PrimitiveTopology.Polygon => Silk.NET.Vulkan.PrimitiveTopology.TriangleFan,
                 GAL.PrimitiveTopology.Quads => throw new NotSupportedException("Quad topology is not available in Vulkan."),
                 GAL.PrimitiveTopology.QuadStrip => throw new NotSupportedException("QuadStrip topology is not available in Vulkan."),
                 _ => LogInvalidAndReturn(topology, nameof(GAL.PrimitiveTopology), Silk.NET.Vulkan.PrimitiveTopology.TriangleList)
diff --git a/Ryujinx.Graphics.Vulkan/PipelineBase.cs b/Ryujinx.Graphics.Vulkan/PipelineBase.cs
index 87155a0d5..594ed5e78 100644
--- a/Ryujinx.Graphics.Vulkan/PipelineBase.cs
+++ b/Ryujinx.Graphics.Vulkan/PipelineBase.cs
@@ -328,7 +328,8 @@ namespace Ryujinx.Graphics.Vulkan
                 IndexBufferPattern pattern = _topology switch
                 {
                     GAL.PrimitiveTopology.Quads => QuadsToTrisPattern,
-                    GAL.PrimitiveTopology.TriangleFan => TriFanToTrisPattern,
+                    GAL.PrimitiveTopology.TriangleFan or
+                    GAL.PrimitiveTopology.Polygon => TriFanToTrisPattern,
                     _ => throw new NotSupportedException($"Unsupported topology: {_topology}")
                 };
 
@@ -359,7 +360,8 @@ namespace Ryujinx.Graphics.Vulkan
                 pattern = _topology switch
                 {
                     GAL.PrimitiveTopology.Quads => QuadsToTrisPattern,
-                    GAL.PrimitiveTopology.TriangleFan => TriFanToTrisPattern,
+                    GAL.PrimitiveTopology.TriangleFan or
+                    GAL.PrimitiveTopology.Polygon => TriFanToTrisPattern,
                     _ => throw new NotSupportedException($"Unsupported topology: {_topology}")
                 };
             }