glsl-fs-swizzle-1: New test for a non-existent 965 bug.

But this was broken back on Mesa 7.8.

2 files changed, 23 insertions, 0 deletions

diff --git a/tests/all.tests b/tests/all.tests
index cac810c21..f2b0f8139 100644
--- a/tests/all.tests
+++ b/tests/all.tests
@@ -437,6 +437,7 @@ add_shader_generic(shaders, 'glsl-fs-statevar-call')
 add_shader_generic(shaders, 'glsl-fs-struct-equal')
 add_shader_generic(shaders, 'glsl-fs-struct-notequal')
 add_shader_generic(shaders, 'glsl-fs-step')
+add_shader_generic(shaders, 'glsl-fs-swizzle-1')
 add_shader_generic(shaders, 'glsl-fs-tan-1')
 add_shader_generic(shaders, 'glsl-fs-tan-2')
 add_shader_generic(shaders, 'glsl-fs-tan-3')
diff --git a/tests/shaders/glsl-fs-swizzle-1.shader_test b/tests/shaders/glsl-fs-swizzle-1.shader_test
new file mode 100644
index 000000000..90d5bb4b2
--- /dev/null
+++ b/tests/shaders/glsl-fs-swizzle-1.shader_test
@@ -0,0 +1,22 @@
+[require]
+GLSL >= 1.10
+
+[vertex shader]
+void main()
+{
+	gl_Position = gl_Vertex;
+}
+
+[fragment shader]
+uniform vec4 color;
+void main()
+{
+	vec4 v = color * 0.5;
+	v = v.wzyx;
+	gl_FragColor = v;
+}
+
+[test]
+uniform vec4 color 0.0 1.0 1.5 2.0
+draw rect -1 -1 2 2
+probe all rgba 1.0 0.75 0.5 0.0