GLSL ES: Verify that fragment shaders have no default float precision.

Tested on the nVidia proprietary driver for Linux.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=60737

Reviewed-by: Eric Anholt <eric@anholt.net>

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/spec/glsl-es-3.00/compiler/no-default-float-precision.frag b/tests/spec/glsl-es-3.00/compiler/no-default-float-precision.frag
new file mode 100644
index 000000000..ebfa32548
--- /dev/null
+++ b/tests/spec/glsl-es-3.00/compiler/no-default-float-precision.frag
@@ -0,0 +1,21 @@
+// [config]
+// expect_result: fail
+// glsl_version: 3.00
+// check_link: true
+// [end config]
+//
+// From section 4.5.4 ("Default Precision Qualifiers") of the GLSL ES
+// 3.00 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 300 es
+
+void main()
+{
+	float f = 1.0;
+}