[Piglit] [PATCH] glsl-es-1.00: Verify that arrays use the default precision qualifier

[Ian Romanick]

From: Ian Romanick <ian.d.romanick at intel.com>

no-default-float-array-precision.frag currently fails on Mesa.

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
---
 .../no-default-float-array-precision.frag          | 23 +++++++++++++++
 ...ay-of-float-using-default-precision.shader_test | 34 ++++++++++++++++++++++
 2 files changed, 57 insertions(+)
 create mode 100644 tests/spec/glsl-es-1.00/compiler/precision-qualifiers/no-default-float-array-precision.frag
 create mode 100644 tests/spec/glsl-es-1.00/execution/array-of-float-using-default-precision.shader_test

diff --git a/tests/spec/glsl-es-1.00/compiler/precision-qualifiers/no-default-float-array-precision.frag b/tests/spec/glsl-es-1.00/compiler/precision-qualifiers/no-default-float-array-precision.frag
new file mode 100644
index 0000000..b9c2d99
--- /dev/null
+++ b/tests/spec/glsl-es-1.00/compiler/precision-qualifiers/no-default-float-array-precision.frag
@@ -0,0 +1,23 @@
+// [config]
+// expect_result: fail
+// glsl_version: 1.00
+// check_link: true
+// [end config]
+//
+// From section 4.5.3 ("Default Precision Qualifiers") of the GLSL ES
+// 1.00 spec:
+//
+//     "The fragment language has no default precision qualifier for
+//     floating point types. Hence for float, floating point vector
+//     and matrix variable declarations, either the declaration must
+//     include a precision qualifier or the default float precision
+//     must have been previously declared."
+
+#version 100
+
+varying float f[4];
+
+void main()
+{
+    gl_FragColor = vec4(f[0], f[1], f[2], f[3]);
+}
diff --git a/tests/spec/glsl-es-1.00/execution/array-of-float-using-default-precision.shader_test b/tests/spec/glsl-es-1.00/execution/array-of-float-using-default-precision.shader_test
new file mode 100644
index 0000000..767f89e
--- /dev/null
+++ b/tests/spec/glsl-es-1.00/execution/array-of-float-using-default-precision.shader_test
@@ -0,0 +1,34 @@
+[require]
+GL ES >= 2.0
+GLSL ES >= 1.00
+
+[vertex shader]
+#version 100
+
+attribute vec4 piglit_vertex;
+varying mediump float f[4];
+
+void main()
+{
+    gl_Position = piglit_vertex;
+    f[0] = 0.0;
+    f[1] = 1.0;
+    f[2] = 0.0;
+    f[3] = 1.0;
+}
+
+[fragment shader]
+#version 100
+
+precision mediump float;
+
+varying float f[4];
+
+void main()
+{
+    gl_FragColor = vec4(f[0], f[1], f[2], f[3]);
+}
+
+[test]
+draw rect -1 -1 2 2
+probe all rgba 0.0 1.0 0.0 1.0
-- 
2.5.5