glsl-1.40: Add a simple test of math on uniform buffer loads.

Catches an assertion failure/rendering failure in i965.

1 files changed, 36 insertions, 0 deletions

diff --git a/tests/spec/glsl-1.40/uniform_buffer/fs-exp2.shader_test b/tests/spec/glsl-1.40/uniform_buffer/fs-exp2.shader_test
new file mode 100644
index 00000000..c2d8fa85
--- /dev/null
+++ b/tests/spec/glsl-1.40/uniform_buffer/fs-exp2.shader_test
@@ -0,0 +1,36 @@
+[require]
+GLSL >= 1.40
+
+[vertex shader]
+#version 140
+
+in vec4 vertex;
+
+void main()
+{
+	gl_Position = vertex;
+}
+
+[fragment shader]
+#version 140
+
+uniform ubo1 {
+	vec4 v;
+};
+
+void main()
+{
+	gl_FragColor = exp2(v);
+}
+
+[vertex data]
+vertex/float/2
+-1.0 -1.0
+ 1.0 -1.0
+ 1.0  1.0
+-1.0  1.0
+
+[test]
+uniform vec4 v -2.0 -1.0 0.0 1.0
+draw arrays GL_TRIANGLE_FAN 0 4
+probe all rgba 0.25 0.5 1.0 1.0