1 files changed, 72 insertions, 0 deletions
diff --git a/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface.shader_test b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface.shader_test
new file mode 100644
index 000000000..c83e6fb05
--- /dev/null
+++ b/tests/spec/arb_tessellation_shader/execution/tcs-input-read-nonconst-interface.shader_test
@@ -0,0 +1,72 @@
+# Test a single per-vertex input read in a TCS.
+
+[require]
+GLSL >= 1.50
+GL_ARB_tessellation_shader
+
+[vertex shader]
+#version 150
+
+out block {
+	float v;
+};
+
+void main()
+{
+	v = 42.0;
+}
+
+
+[tessellation control shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+
+in block {
+	float v;
+} verts[2];
+layout(vertices = 1) out;
+
+void main()
+{
+	if (verts[gl_InvocationID].v == 42.0) {
+		gl_TessLevelInner[0] = 1.0;
+		gl_TessLevelInner[1] = 1.0;
+
+		gl_TessLevelOuter[0] = 1.0;
+		gl_TessLevelOuter[1] = 1.0;
+		gl_TessLevelOuter[2] = 1.0;
+		gl_TessLevelOuter[3] = 1.0;
+	} else {
+		gl_TessLevelInner[0] = 0.0;
+		gl_TessLevelInner[1] = 0.0;
+
+		gl_TessLevelOuter[0] = 0.0;
+		gl_TessLevelOuter[1] = 0.0;
+		gl_TessLevelOuter[2] = 0.0;
+		gl_TessLevelOuter[3] = 0.0;
+	}
+}
+
+[tessellation evaluation shader]
+#version 150
+#extension GL_ARB_tessellation_shader : require
+
+layout(quads, equal_spacing) in;
+
+void main()
+{
+	gl_Position = vec4(gl_TessCoord.xy * 2 - 1, 0, 1);
+}
+
+[fragment shader]
+#version 150
+
+void main()
+{
+	gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0);
+}
+
+[test]
+patch parameter vertices 1
+draw arrays GL_PATCHES 0 1
+probe all rgba 0.0 1.0 0.0 1.0