Test default precision qualifiers for samplers in GLSL ES.

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

4 files changed, 140 insertions, 0 deletions

diff --git a/tests/spec/glsl-1.00/compiler/precision-qualifiers/default-precision-sampler.frag b/tests/spec/glsl-1.00/compiler/precision-qualifiers/default-precision-sampler.frag
new file mode 100644
index 000000000..f60079616
--- /dev/null
+++ b/tests/spec/glsl-1.00/compiler/precision-qualifiers/default-precision-sampler.frag
@@ -0,0 +1,28 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.00
+// check_link: true
+// [end config]
+//
+// From the GLSL ES 1.00 specification, section 4.5.3 ("Default
+// Precision Qualifiers"):
+//
+//     "The precision statement
+//
+//         precision precision-qualifier type;
+//
+//     can be used to establish a default precision qualifier. The
+//     type field can be int or float or any of the sampler types, and
+//     the precision-qualifier can be lowp, mediump, or highp."
+//
+// This test verifies that a default precision qualifier can be used
+// on all of GLSL ES 1.00's sampler types.
+
+#version 100
+
+precision mediump sampler2D;
+precision mediump samplerCube;
+
+void main()
+{
+}
diff --git a/tests/spec/glsl-1.00/compiler/precision-qualifiers/default-precision-sampler.vert b/tests/spec/glsl-1.00/compiler/precision-qualifiers/default-precision-sampler.vert
new file mode 100644
index 000000000..b44d016f6
--- /dev/null
+++ b/tests/spec/glsl-1.00/compiler/precision-qualifiers/default-precision-sampler.vert
@@ -0,0 +1,29 @@
+// [config]
+// expect_result: pass
+// glsl_version: 1.00
+// check_link: true
+// [end config]
+//
+// From the GLSL ES 1.00 specification, section 4.5.3 ("Default
+// Precision Qualifiers"):
+//
+//     "The precision statement
+//
+//         precision precision-qualifier type;
+//
+//     can be used to establish a default precision qualifier. The
+//     type field can be int or float or any of the sampler types, and
+//     the precision-qualifier can be lowp, mediump, or highp."
+//
+// This test verifies that a default precision qualifier can be used
+// on all of GLSL ES 1.00's sampler types.
+
+#version 100
+
+precision mediump sampler2D;
+precision mediump samplerCube;
+
+void main()
+{
+	gl_Position = vec4(0.0);
+}
diff --git a/tests/spec/glsl-es-3.00/compiler/default-precision-sampler.frag b/tests/spec/glsl-es-3.00/compiler/default-precision-sampler.frag
new file mode 100644
index 000000000..4731491b1
--- /dev/null
+++ b/tests/spec/glsl-es-3.00/compiler/default-precision-sampler.frag
@@ -0,0 +1,41 @@
+// [config]
+// expect_result: pass
+// glsl_version: 3.00 es
+// check_link: true
+// [end config]
+//
+// From the GLSL ES 3.00 specification, section 4.5.4 ("Default
+// Precision Qualifiers"):
+//
+//     "The precision statement
+//
+//         precision precision-qualifier type;
+//
+//     can be used to establish a default precision qualifier. The
+//     type field can be int or float or any of the sampler types, and
+//     the precision-qualifier can be lowp, mediump, or highp."
+//
+// This test verifies that a default precision qualifier can be used
+// on all of GLSL ES 3.00's sampler types.
+
+#version 300 es
+
+precision mediump sampler2D;
+precision mediump sampler3D;
+precision mediump samplerCube;
+precision mediump samplerCubeShadow;
+precision mediump sampler2DShadow;
+precision mediump sampler2DArray;
+precision mediump sampler2DArrayShadow;
+precision mediump isampler2D;
+precision mediump isampler3D;
+precision mediump isamplerCube;
+precision mediump isampler2DArray;
+precision mediump usampler2D;
+precision mediump usampler3D;
+precision mediump usamplerCube;
+precision mediump usampler2DArray;
+
+void main()
+{
+}
diff --git a/tests/spec/glsl-es-3.00/compiler/default-precision-sampler.vert b/tests/spec/glsl-es-3.00/compiler/default-precision-sampler.vert
new file mode 100644
index 000000000..7b10053f1
--- /dev/null
+++ b/tests/spec/glsl-es-3.00/compiler/default-precision-sampler.vert
@@ -0,0 +1,42 @@
+// [config]
+// expect_result: pass
+// glsl_version: 3.00 es
+// check_link: true
+// [end config]
+//
+// From the GLSL ES 3.00 specification, section 4.5.4 ("Default
+// Precision Qualifiers"):
+//
+//     "The precision statement
+//
+//         precision precision-qualifier type;
+//
+//     can be used to establish a default precision qualifier. The
+//     type field can be int or float or any of the sampler types, and
+//     the precision-qualifier can be lowp, mediump, or highp."
+//
+// This test verifies that a default precision qualifier can be used
+// on all of GLSL ES 3.00's sampler types.
+
+#version 300 es
+
+precision mediump sampler2D;
+precision mediump sampler3D;
+precision mediump samplerCube;
+precision mediump samplerCubeShadow;
+precision mediump sampler2DShadow;
+precision mediump sampler2DArray;
+precision mediump sampler2DArrayShadow;
+precision mediump isampler2D;
+precision mediump isampler3D;
+precision mediump isamplerCube;
+precision mediump isampler2DArray;
+precision mediump usampler2D;
+precision mediump usampler3D;
+precision mediump usamplerCube;
+precision mediump usampler2DArray;
+
+void main()
+{
+	gl_Position = vec4(0.0);
+}