From 804b3a42b84efa8a8176f68766c016292309e09c Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 4 Mar 2021 14:50:46 +0200
Subject: [PATCH] Add some test cases to test shader validation

---
 tests/glsl/block_name_conflict.glsl | 47 +++++++++++++++++++++++++++++
 tests/glsl/identifier_conflict.glsl | 31 +++++++++++++++++++
 2 files changed, 78 insertions(+)
 create mode 100644 tests/glsl/block_name_conflict.glsl
 create mode 100644 tests/glsl/identifier_conflict.glsl

diff --git a/tests/glsl/block_name_conflict.glsl b/tests/glsl/block_name_conflict.glsl
new file mode 100644
index 00000000..e397b551
--- /dev/null
+++ b/tests/glsl/block_name_conflict.glsl
@@ -0,0 +1,47 @@
+#pragma MSP stage(vertex)
+layout(location=0) in vec4 position;
+out Output
+{
+	vec2 texcoord;
+} vs_out;
+out vec4 Output;
+void Output();
+void main()
+{
+	vs_out.texcoord = position.xy*0.5+0.5;
+	gl_Position = position;
+}
+
+#pragma MSP stage(geometry)
+layout(triangles) in;
+layout(triangles, max_vertices=3) out;
+in Output
+{
+	vec2 texcoord;
+} vs_out[];
+out Output
+{
+	vec2 texcoord;
+} gs_out;
+out Output
+{
+	vec4 color;
+};
+void main()
+{
+	for(int i=0; i<3; ++i)
+	{
+		gs_out.texcoord = vs_out[i].texcoord;
+		gl_Position = gl_in[i].gl_Position;
+		EmitVertex();
+	}
+}
+
+/* Expected error:
+<test>:7: Multiple definition of 'Output'
+<test>:3: Previous definition is here
+<test>:8: Multiple definition of 'Output'
+<test>:3: Previous definition is here
+<test>:26: Multiple definition of 'Output'
+<test>:22: Previous definition is here
+*/
diff --git a/tests/glsl/identifier_conflict.glsl b/tests/glsl/identifier_conflict.glsl
new file mode 100644
index 00000000..3e10089b
--- /dev/null
+++ b/tests/glsl/identifier_conflict.glsl
@@ -0,0 +1,31 @@
+#pragma MSP stage(vertex)
+layout(location=0) in vec4 position;
+out VertexOut
+{
+	vec2 texcoord;
+} vs_out;
+vec3 normal;
+out VertexOut2
+{
+	vec2 texcoord;
+	vec3 normal;
+};
+vec2 texcoord;
+void main()
+{
+	vec2 texcoord;
+	gl_Position = position;
+}
+vec2 texcoord()
+{
+	return vec2(0.0);
+}
+
+/* Expected error:
+<test>:11: Multiple definition of 'normal'
+<test>:7: Previous definition is here
+<test>:13: Multiple definition of 'texcoord'
+<test>:10: Previous definition is here
+<test>:19: Multiple definition of 'texcoord'
+<test>:10: Previous definition is here
+*/
-- 
2.43.0