[Piglit] [PATCH 1/2] glsl-1.20: Add more tests for various 'invariant' scenarios

[Chris Forbes]

Signed-off-by: Chris Forbes <chrisf at ijw.co.nz>
---
 .../glsl-1.20/compiler/qualifiers/invariant-02.vert     | 15 +++++++++++++++
 .../glsl-1.20/compiler/qualifiers/invariant-03.frag     | 14 ++++++++++++++
 .../glsl-1.20/compiler/qualifiers/invariant-04.vert     | 13 +++++++++++++
 .../glsl-1.20/compiler/qualifiers/invariant-05.vert     | 16 ++++++++++++++++
 .../glsl-1.20/compiler/qualifiers/invariant-06.vert     | 16 ++++++++++++++++
 .../glsl-1.20/compiler/qualifiers/invariant-07.vert     | 17 +++++++++++++++++
 .../glsl-1.20/compiler/qualifiers/invariant-08.vert     | 16 ++++++++++++++++
 7 files changed, 107 insertions(+)
 create mode 100644 tests/spec/glsl-1.20/compiler/qualifiers/invariant-02.vert
 create mode 100644 tests/spec/glsl-1.20/compiler/qualifiers/invariant-03.frag
 create mode 100644 tests/spec/glsl-1.20/compiler/qualifiers/invariant-04.vert
 create mode 100644 tests/spec/glsl-1.20/compiler/qualifiers/invariant-05.vert
 create mode 100644 tests/spec/glsl-1.20/compiler/qualifiers/invariant-06.vert
 create mode 100644 tests/spec/glsl-1.20/compiler/qualifiers/invariant-07.vert
 create mode 100644 tests/spec/glsl-1.20/compiler/qualifiers/invariant-08.vert

diff --git a/tests/spec/glsl-1.20/compiler/qualifiers/invariant-02.vert b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-02.vert
new file mode 100644
index 0000000..05a722f
--- /dev/null
+++ b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-02.vert
@@ -0,0 +1,15 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.20
+// [end config]
+//
+// ensure that invariant-qualifier can be used on vs outputs
+#version 120
+
+invariant varying vec4 x;
+
+void main()
+{
+  x = vec4(0,0,0,1);
+  gl_Position = vec4(0,0,0,1);
+}
diff --git a/tests/spec/glsl-1.20/compiler/qualifiers/invariant-03.frag b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-03.frag
new file mode 100644
index 0000000..4cef447
--- /dev/null
+++ b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-03.frag
@@ -0,0 +1,14 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.20
+// [end config]
+//
+// ensure that invariant-qualifier can be used on fs inputs
+#version 120
+
+invariant varying vec4 x;
+
+void main()
+{
+  gl_FragColor = x;
+}
diff --git a/tests/spec/glsl-1.20/compiler/qualifiers/invariant-04.vert b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-04.vert
new file mode 100644
index 0000000..721e14f
--- /dev/null
+++ b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-04.vert
@@ -0,0 +1,13 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.20
+// [end config]
+//
+// all uses of invariant-qualifier must be at global scope.
+#version 120
+
+void main()
+{
+  invariant vec4 x;
+  gl_Position = vec4(0);
+}
diff --git a/tests/spec/glsl-1.20/compiler/qualifiers/invariant-05.vert b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-05.vert
new file mode 100644
index 0000000..a5c3dcb
--- /dev/null
+++ b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-05.vert
@@ -0,0 +1,16 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.20
+// [end config]
+//
+// all uses of invariant-qualifier must be at global scope.
+#version 120
+
+varying vec4 x;
+
+void main()
+{
+  invariant x;		/* redeclaration */
+  gl_Position = vec4(0);
+}
+
diff --git a/tests/spec/glsl-1.20/compiler/qualifiers/invariant-06.vert b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-06.vert
new file mode 100644
index 0000000..75bf9db
--- /dev/null
+++ b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-06.vert
@@ -0,0 +1,16 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.20
+// [end config]
+//
+// test that a straightforward redeclaration of a user-defined varying
+// as invariant works.
+#version 120
+
+varying vec4 x;
+invariant x;
+
+void main()
+{
+  gl_Position = vec4(0);
+}
diff --git a/tests/spec/glsl-1.20/compiler/qualifiers/invariant-07.vert b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-07.vert
new file mode 100644
index 0000000..1c8b96c
--- /dev/null
+++ b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-07.vert
@@ -0,0 +1,17 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.20
+// [end config]
+//
+// test that a straightforward redeclaration of a user-defined varying
+// as invariant works.
+#version 120
+
+varying vec4 x;
+x = vec4(0);
+invariant x;		/* redeclaration after use! */
+
+void main()
+{
+  gl_Position = vec4(0);
+}
diff --git a/tests/spec/glsl-1.20/compiler/qualifiers/invariant-08.vert b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-08.vert
new file mode 100644
index 0000000..82ec6a8
--- /dev/null
+++ b/tests/spec/glsl-1.20/compiler/qualifiers/invariant-08.vert
@@ -0,0 +1,16 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.20
+// [end config]
+//
+// invariant-qualifier should not be allowed on struct members.
+#version 120
+
+struct x {
+	invariant vec4 y;
+};
+
+void main()
+{
+  gl_Position = vec4(0);
+}
-- 
1.9.2