[Piglit] [PATCH 13/14] Verify that gl_PerVertex can't be redeclared in certain shader types.

[Paul Berry]

---
 .../fs-disallows-redeclaration-of-pervertex-in.frag   | 18 ++++++++++++++++++
 .../fs-disallows-redeclaration-of-pervertex-out.frag  | 19 +++++++++++++++++++
 .../vs-disallows-redeclaration-of-pervertex-in.vert   | 18 ++++++++++++++++++
 3 files changed, 55 insertions(+)
 create mode 100644 tests/spec/glsl-1.50/compiler/fs-disallows-redeclaration-of-pervertex-in.frag
 create mode 100644 tests/spec/glsl-1.50/compiler/fs-disallows-redeclaration-of-pervertex-out.frag
 create mode 100644 tests/spec/glsl-1.50/compiler/vs-disallows-redeclaration-of-pervertex-in.vert

diff --git a/tests/spec/glsl-1.50/compiler/fs-disallows-redeclaration-of-pervertex-in.frag b/tests/spec/glsl-1.50/compiler/fs-disallows-redeclaration-of-pervertex-in.frag
new file mode 100644
index 0000000..7ca01af
--- /dev/null
+++ b/tests/spec/glsl-1.50/compiler/fs-disallows-redeclaration-of-pervertex-in.frag
@@ -0,0 +1,18 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.50
+// check_link: false
+// [end config]
+//
+// The gl_PerVertex input interface block only exists in geometry
+// shaders.  Check that it may not be redeclared in fragment shaders.
+
+#version 150
+
+in gl_PerVertex {
+  vec4 gl_Position;
+} gl_in[];
+
+void main()
+{
+}
diff --git a/tests/spec/glsl-1.50/compiler/fs-disallows-redeclaration-of-pervertex-out.frag b/tests/spec/glsl-1.50/compiler/fs-disallows-redeclaration-of-pervertex-out.frag
new file mode 100644
index 0000000..4e6e035
--- /dev/null
+++ b/tests/spec/glsl-1.50/compiler/fs-disallows-redeclaration-of-pervertex-out.frag
@@ -0,0 +1,19 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.50
+// check_link: false
+// [end config]
+//
+// The gl_PerVertex output interface block only exists in vertex and
+// geometry shaders.  Check that it may not be redeclared in fragment
+// shaders.
+
+#version 150
+
+out gl_PerVertex {
+  vec4 gl_Position;
+};
+
+void main()
+{
+}
diff --git a/tests/spec/glsl-1.50/compiler/vs-disallows-redeclaration-of-pervertex-in.vert b/tests/spec/glsl-1.50/compiler/vs-disallows-redeclaration-of-pervertex-in.vert
new file mode 100644
index 0000000..eb56198
--- /dev/null
+++ b/tests/spec/glsl-1.50/compiler/vs-disallows-redeclaration-of-pervertex-in.vert
@@ -0,0 +1,18 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.50
+// check_link: false
+// [end config]
+//
+// The gl_PerVertex input interface block only exists in geometry
+// shaders.  Check that it may not be redeclared in vertex shaders.
+
+#version 150
+
+in gl_PerVertex {
+  vec4 gl_Position;
+} gl_in[];
+
+void main()
+{
+}
-- 
1.8.4