[Piglit] [PATCH 4/4 v2] GS: Test that max_vertices cannot be set to INT_MAX

[Nicholas Mack]

v2: Add comment

Reviewed-by: Paul Berry <stereotype441 at gmail.com>
---
 .../compiler/layout-max-verts-limited.geom         | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 tests/spec/glsl-1.50/compiler/layout-max-verts-limited.geom

diff --git a/tests/spec/glsl-1.50/compiler/layout-max-verts-limited.geom b/tests/spec/glsl-1.50/compiler/layout-max-verts-limited.geom
new file mode 100644
index 0000000..9b763a7
--- /dev/null
+++ b/tests/spec/glsl-1.50/compiler/layout-max-verts-limited.geom
@@ -0,0 +1,23 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.50
+// check_link: true
+// [end config]
+//
+// Section 4.3.8 (Output Layout Qualifiers) of the GLSL 1.50 spec says:
+// "It is an error for the maximum number of vertices to be greater than
+//  gl_MaxGeometryOutputVertices."
+//
+// Unfortunately, we can't easlily try to set max_vertices to
+// gl_MaxGeometryOutputVertices+1, since "max_vertices=" must be
+// followed by an integer-constant (not a constant expression), so as
+// a stop gap, we just verify that setting max_vertices = INT_MAX
+// leads to an error.
+
+#version 150
+
+layout(max_vertices = 2147483647) out;
+
+void main()
+{
+}
-- 
1.8.3.1