From f09bba82b9366e5912b639a610ae89cbb1cf352c Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Tue, 29 Aug 2023 21:10:34 -0300
Subject: Geometry shader emulation for macOS (#5551)

* Implement vertex and geometry shader conversion to compute

* Call InitializeReservedCounts for compute too

* PR feedback

* Set clip distance mask for geometry and tessellation shaders too

* Transform feedback emulation only for vertex
---
 .../Translation/Translator.cs                      | 41 +++++++++++++---------
 1 file changed, 24 insertions(+), 17 deletions(-)

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

diff --git a/src/Ryujinx.Graphics.Shader/Translation/Translator.cs b/src/Ryujinx.Graphics.Shader/Translation/Translator.cs
index 93a70ace..6a31ea2e 100644
--- a/src/Ryujinx.Graphics.Shader/Translation/Translator.cs
+++ b/src/Ryujinx.Graphics.Shader/Translation/Translator.cs
@@ -77,12 +77,32 @@ namespace Ryujinx.Graphics.Shader.Translation
         }
 
         private static ShaderDefinitions CreateGraphicsDefinitions(IGpuAccessor gpuAccessor, ShaderHeader header)
+        {
+            TransformFeedbackOutput[] transformFeedbackOutputs = GetTransformFeedbackOutputs(gpuAccessor, out ulong transformFeedbackVecMap);
+
+            return new ShaderDefinitions(
+                header.Stage,
+                gpuAccessor.QueryGraphicsState(),
+                header.Stage == ShaderStage.Geometry && header.GpPassthrough,
+                header.ThreadsPerInputPrimitive,
+                header.OutputTopology,
+                header.MaxOutputVertexCount,
+                header.ImapTypes,
+                header.OmapTargets,
+                header.OmapSampleMask,
+                header.OmapDepth,
+                gpuAccessor.QueryHostSupportsScaledVertexFormats(),
+                transformFeedbackVecMap,
+                transformFeedbackOutputs);
+        }
+
+        internal static TransformFeedbackOutput[] GetTransformFeedbackOutputs(IGpuAccessor gpuAccessor, out ulong transformFeedbackVecMap)
         {
             bool transformFeedbackEnabled =
                 gpuAccessor.QueryTransformFeedbackEnabled() &&
                 gpuAccessor.QueryHostSupportsTransformFeedback();
             TransformFeedbackOutput[] transformFeedbackOutputs = null;
-            ulong transformFeedbackVecMap = 0UL;
+            transformFeedbackVecMap = 0UL;
 
             if (transformFeedbackEnabled)
             {
@@ -105,21 +125,7 @@ namespace Ryujinx.Graphics.Shader.Translation
                 }
             }
 
-            return new ShaderDefinitions(
-                header.Stage,
-                gpuAccessor.QueryGraphicsState(),
-                header.Stage == ShaderStage.Geometry && header.GpPassthrough,
-                header.ThreadsPerInputPrimitive,
-                header.OutputTopology,
-                header.MaxOutputVertexCount,
-                header.ImapTypes,
-                header.OmapTargets,
-                header.OmapSampleMask,
-                header.OmapDepth,
-                gpuAccessor.QueryHostSupportsScaledVertexFormats(),
-                transformFeedbackEnabled,
-                transformFeedbackVecMap,
-                transformFeedbackOutputs);
+            return transformFeedbackOutputs;
         }
 
         private static int GetLocalMemorySize(ShaderHeader header)
@@ -131,6 +137,7 @@ namespace Ryujinx.Graphics.Shader.Translation
             TranslatorContext translatorContext,
             ResourceManager resourceManager,
             DecodedProgram program,
+            bool vertexAsCompute,
             bool initializeOutputs,
             out int initializationOperations)
         {
@@ -147,7 +154,7 @@ namespace Ryujinx.Graphics.Shader.Translation
 
             for (int index = 0; index < functions.Length; index++)
             {
-                EmitterContext context = new(translatorContext, resourceManager, program, index != 0);
+                EmitterContext context = new(translatorContext, resourceManager, program, vertexAsCompute, index != 0);
 
                 if (initializeOutputs && index == 0)
                 {
-- 
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