From 353ef3ac3e72dd8cf51f8bf164bc671dc2549258 Mon Sep 17 00:00:00 2001
From: Gabriele Di Bari <dbgabri@gmail.com>
Date: Tue, 24 May 2022 18:53:39 +0200
Subject: [PATCH] Add test for the instance param (geometry shader)

---
 Test/hlsl.instance.geom  | 17 +++++++++++++++++
 gtests/Hlsl.FromFile.cpp |  3 ++-
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 Test/hlsl.instance.geom

diff --git a/Test/hlsl.instance.geom b/Test/hlsl.instance.geom
new file mode 100644
index 00000000..5295f389
--- /dev/null
+++ b/Test/hlsl.instance.geom
@@ -0,0 +1,17 @@
+struct VertexShaderOutput
+{
+    float4 m_position : SV_POSITION;
+    float4 m_color    : COLOR0;     
+};
+
+[maxvertexcount(3)]
+[instance(5)]
+void GeometryShader(triangle VertexShaderOutput input[3], inout TriangleStream<VertexShaderOutput> output, uint id : SV_GSInstanceID)
+{
+    [loop]
+    for (int i = 0; i < 3; ++i)
+    {
+        output.Append(input[i]);
+    }
+    output.RestartStrip();
+}
\ No newline at end of file
diff --git a/gtests/Hlsl.FromFile.cpp b/gtests/Hlsl.FromFile.cpp
index 519be254..d3e38bb7 100644
--- a/gtests/Hlsl.FromFile.cpp
+++ b/gtests/Hlsl.FromFile.cpp
@@ -434,7 +434,8 @@ INSTANTIATE_TEST_SUITE_P(
         {"hlsl.typedef.frag", "PixelShaderFunction"},
         {"hlsl.whileLoop.frag", "PixelShaderFunction"},
         {"hlsl.void.frag", "PixelShaderFunction"},
-        {"hlsl.type.type.conversion.all.frag", "main"}
+        {"hlsl.type.type.conversion.all.frag", "main"},
+        {"hlsl.instance.geom", "GeometryShader"}
     }),
     FileNameAsCustomTestSuffix
 );