From d512ce122cb1c9a7fe7cb40d3f85d642ee37f897 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Mon, 18 Oct 2021 18:38:04 -0300
Subject: Initial tessellation shader support (#2534)

* Initial tessellation shader support

* Nits

* Re-arrange built-in table

* This is not needed anymore

* PR feedback
---
 .../Multithreading/CommandHelper.cs                |  4 ++++
 Ryujinx.Graphics.GAL/Multithreading/CommandType.cs |  2 ++
 .../Commands/SetPatchParametersCommand.cs          | 25 ++++++++++++++++++++++
 .../Commands/SetPolygonModeCommand.cs              | 20 +++++++++++++++++
 .../Multithreading/ThreadedPipeline.cs             | 12 +++++++++++
 5 files changed, 63 insertions(+)
 create mode 100644 Ryujinx.Graphics.GAL/Multithreading/Commands/SetPatchParametersCommand.cs
 create mode 100644 Ryujinx.Graphics.GAL/Multithreading/Commands/SetPolygonModeCommand.cs

(limited to 'Ryujinx.Graphics.GAL/Multithreading')

diff --git a/Ryujinx.Graphics.GAL/Multithreading/CommandHelper.cs b/Ryujinx.Graphics.GAL/Multithreading/CommandHelper.cs
index 82a75ea7..47ceeb7d 100644
--- a/Ryujinx.Graphics.GAL/Multithreading/CommandHelper.cs
+++ b/Ryujinx.Graphics.GAL/Multithreading/CommandHelper.cs
@@ -181,8 +181,12 @@ namespace Ryujinx.Graphics.GAL.Multithreading
                 SetLineParametersCommand.Run(ref GetCommand<SetLineParametersCommand>(memory), threaded, renderer);
             _lookup[(int)CommandType.SetLogicOpState] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>
                 SetLogicOpStateCommand.Run(ref GetCommand<SetLogicOpStateCommand>(memory), threaded, renderer);
+            _lookup[(int)CommandType.SetPatchParameters] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>
+                SetPatchParametersCommand.Run(ref GetCommand<SetPatchParametersCommand>(memory), threaded, renderer);
             _lookup[(int)CommandType.SetPointParameters] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>
                 SetPointParametersCommand.Run(ref GetCommand<SetPointParametersCommand>(memory), threaded, renderer);
+            _lookup[(int)CommandType.SetPolygonMode] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>
+                SetPolygonModeCommand.Run(ref GetCommand<SetPolygonModeCommand>(memory), threaded, renderer);
             _lookup[(int)CommandType.SetPrimitiveRestart] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>
                 SetPrimitiveRestartCommand.Run(ref GetCommand<SetPrimitiveRestartCommand>(memory), threaded, renderer);
             _lookup[(int)CommandType.SetPrimitiveTopology] = (Span<byte> memory, ThreadedRenderer threaded, IRenderer renderer) =>
diff --git a/Ryujinx.Graphics.GAL/Multithreading/CommandType.cs b/Ryujinx.Graphics.GAL/Multithreading/CommandType.cs
index 0761a7f0..ac73a3fe 100644
--- a/Ryujinx.Graphics.GAL/Multithreading/CommandType.cs
+++ b/Ryujinx.Graphics.GAL/Multithreading/CommandType.cs
@@ -72,7 +72,9 @@
         SetIndexBuffer,
         SetLineParameters,
         SetLogicOpState,
+        SetPatchParameters,
         SetPointParameters,
+        SetPolygonMode,
         SetPrimitiveRestart,
         SetPrimitiveTopology,
         SetProgram,
diff --git a/Ryujinx.Graphics.GAL/Multithreading/Commands/SetPatchParametersCommand.cs b/Ryujinx.Graphics.GAL/Multithreading/Commands/SetPatchParametersCommand.cs
new file mode 100644
index 00000000..7847e8d0
--- /dev/null
+++ b/Ryujinx.Graphics.GAL/Multithreading/Commands/SetPatchParametersCommand.cs
@@ -0,0 +1,25 @@
+using Ryujinx.Common.Memory;
+using System;
+
+namespace Ryujinx.Graphics.GAL.Multithreading.Commands
+{
+    struct SetPatchParametersCommand : IGALCommand
+    {
+        public CommandType CommandType => CommandType.SetPatchParameters;
+        private int _vertices;
+        private Array4<float> _defaultOuterLevel;
+        private Array2<float> _defaultInnerLevel;
+
+        public void Set(int vertices, ReadOnlySpan<float> defaultOuterLevel, ReadOnlySpan<float> defaultInnerLevel)
+        {
+            _vertices = vertices;
+            defaultOuterLevel.CopyTo(_defaultOuterLevel.ToSpan());
+            defaultInnerLevel.CopyTo(_defaultInnerLevel.ToSpan());
+        }
+
+        public static void Run(ref SetPatchParametersCommand command, ThreadedRenderer threaded, IRenderer renderer)
+        {
+            renderer.Pipeline.SetPatchParameters(command._vertices, command._defaultOuterLevel.ToSpan(), command._defaultInnerLevel.ToSpan());
+        }
+    }
+}
diff --git a/Ryujinx.Graphics.GAL/Multithreading/Commands/SetPolygonModeCommand.cs b/Ryujinx.Graphics.GAL/Multithreading/Commands/SetPolygonModeCommand.cs
new file mode 100644
index 00000000..6de78f04
--- /dev/null
+++ b/Ryujinx.Graphics.GAL/Multithreading/Commands/SetPolygonModeCommand.cs
@@ -0,0 +1,20 @@
+namespace Ryujinx.Graphics.GAL.Multithreading.Commands
+{
+    struct SetPolygonModeCommand : IGALCommand
+    {
+        public CommandType CommandType => CommandType.SetPolygonMode;
+        private PolygonMode _frontMode;
+        private PolygonMode _backMode;
+
+        public void Set(PolygonMode frontMode, PolygonMode backMode)
+        {
+            _frontMode = frontMode;
+            _backMode = backMode;
+        }
+
+        public static void Run(ref SetPolygonModeCommand command, ThreadedRenderer threaded, IRenderer renderer)
+        {
+            renderer.Pipeline.SetPolygonMode(command._frontMode, command._backMode);
+        }
+    }
+}
diff --git a/Ryujinx.Graphics.GAL/Multithreading/ThreadedPipeline.cs b/Ryujinx.Graphics.GAL/Multithreading/ThreadedPipeline.cs
index 0f523481..3c39a77f 100644
--- a/Ryujinx.Graphics.GAL/Multithreading/ThreadedPipeline.cs
+++ b/Ryujinx.Graphics.GAL/Multithreading/ThreadedPipeline.cs
@@ -179,12 +179,24 @@ namespace Ryujinx.Graphics.GAL.Multithreading
             _renderer.QueueCommand();
         }
 
+        public void SetPatchParameters(int vertices, ReadOnlySpan<float> defaultOuterLevel, ReadOnlySpan<float> defaultInnerLevel)
+        {
+            _renderer.New<SetPatchParametersCommand>().Set(vertices, defaultOuterLevel, defaultInnerLevel);
+            _renderer.QueueCommand();
+        }
+
         public void SetPointParameters(float size, bool isProgramPointSize, bool enablePointSprite, Origin origin)
         {
             _renderer.New<SetPointParametersCommand>().Set(size, isProgramPointSize, enablePointSprite, origin);
             _renderer.QueueCommand();
         }
 
+        public void SetPolygonMode(PolygonMode frontMode, PolygonMode backMode)
+        {
+            _renderer.New<SetPolygonModeCommand>().Set(frontMode, backMode);
+            _renderer.QueueCommand();
+        }
+
         public void SetPrimitiveRestart(bool enable, int index)
         {
             _renderer.New<SetPrimitiveRestartCommand>().Set(enable, index);
-- 
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