glsl-1.10: Add vec4 test for gl_FrontFacing ternary usage.

Test try_opt_frontfacing_ternary optimization when type is vec4,
this test fails with current Mesa HEAD (ce83a6e).

Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/spec/glsl-1.10/execution/fs-frontfacing-ternary-vec4-neg-1.0-1.0.shader_test b/tests/spec/glsl-1.10/execution/fs-frontfacing-ternary-vec4-neg-1.0-1.0.shader_test
new file mode 100644
index 000000000..74223e9cf
--- /dev/null
+++ b/tests/spec/glsl-1.10/execution/fs-frontfacing-ternary-vec4-neg-1.0-1.0.shader_test
@@ -0,0 +1,24 @@
+#
+# Shader for testing try_opt_frontfacing_ternary optimization
+# in the i965 driver with a vec4 type.
+#
+[require]
+GLSL >= 1.10
+
+[vertex shader passthrough]
+
+[fragment shader]
+void main()
+{
+	vec4 foo;
+	if (gl_FrontFacing)
+		foo = vec4(-1.0);
+	else
+		foo = vec4(1.0);
+
+	gl_FragColor = vec4(1.5 + foo);
+}
+
+[test]
+draw rect -1 -1 2 2
+probe all rgb 0.5 0.5 0.5