[Piglit] [PATCH] glsl-1.10: Add simple test to check for code generated by clamp bounded within 1, 0

[Abdiel Janulgue]

This is for checking that the compiler outputs the correct optimization
when clamp is bounded within 0.0 and 1.0.

Signed-off-by: Abdiel Janulgue <abdiel.janulgue at linux.intel.com>
---
 .../execution/fs-clamp-bounds.shader_test          | 28 +++++++++++++++++++
 .../execution/vs-clamp-bounds.shader_test          | 32 ++++++++++++++++++++++
 2 files changed, 60 insertions(+)
 create mode 100644 tests/spec/glsl-1.10/execution/fs-clamp-bounds.shader_test
 create mode 100644 tests/spec/glsl-1.10/execution/vs-clamp-bounds.shader_test

diff --git a/tests/spec/glsl-1.10/execution/fs-clamp-bounds.shader_test b/tests/spec/glsl-1.10/execution/fs-clamp-bounds.shader_test
new file mode 100644
index 0000000..13233e8
--- /dev/null
+++ b/tests/spec/glsl-1.10/execution/fs-clamp-bounds.shader_test
@@ -0,0 +1,28 @@
+[require]
+GLSL >= 1.10
+
+[vertex shader]
+void main()
+{
+	gl_Position = gl_Vertex;
+}
+
+[fragment shader]
+uniform bool low_bound;
+uniform vec4 v;
+
+void main()
+{
+	gl_FragColor = low_bound ? clamp(v, 0.2, 1.0) : clamp(v, 0.0, 0.9);
+}
+
+[test]
+uniform int low_bound 0
+uniform vec4 v 0.25 1.0 2.0 0.25
+draw rect -1 -1 2 2
+probe all rgba 0.25 0.9 0.9 0.25
+
+uniform int low_bound 1
+uniform vec4 v 0.25 1.0 2.0 0.25
+draw rect -1 -1 2 2
+probe all rgba 0.25 1.0 1.0 0.25
diff --git a/tests/spec/glsl-1.10/execution/vs-clamp-bounds.shader_test b/tests/spec/glsl-1.10/execution/vs-clamp-bounds.shader_test
new file mode 100644
index 0000000..6b40dc0
--- /dev/null
+++ b/tests/spec/glsl-1.10/execution/vs-clamp-bounds.shader_test
@@ -0,0 +1,32 @@
+[require]
+GLSL >= 1.10
+
+[vertex shader]
+uniform bool low_bound;
+uniform vec4 v;
+varying vec4 color;
+
+void main()
+{
+	color = low_bound ? clamp(v, 0.2, 1.0) : clamp(v, 0.0, 0.9);
+	gl_Position = gl_Vertex;
+}
+
+[fragment shader]
+varying vec4 color;
+
+void main()
+{
+	gl_FragColor = color;
+}
+
+[test]
+uniform int low_bound 0
+uniform vec4 v 0.25 1.0 2.0 0.25
+draw rect -1 -1 2 2
+probe all rgba 0.25 0.9 0.9 0.25
+
+uniform int low_bound 1
+uniform vec4 v 0.25 1.0 2.0 0.25
+draw rect -1 -1 2 2
+probe all rgba 0.25 1.0 1.0 0.25
-- 
1.9.1