Default ES precision qualifiers for float types in the VS and FS
are different and that should make the test fail to compile/link
if Mesa actually checked for these things (because it would realize
that VS outputs and FS inputs do not have the exact same type as
a consequence).
Fix this by setting the same default precision qualification for floats
in the VS and FS shaders.
---
tests/spec/glsl-es-3.00/execution/varying-struct-centroid.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tests/spec/glsl-es-3.00/execution/varying-struct-centroid.c
b/tests/spec/glsl-es-3.00/execution/varying-struct-centroid.c
index b686bf3..02332ae 100644
--- a/tests/spec/glsl-es-3.00/execution/varying-struct-centroid.c
+++ b/tests/spec/glsl-es-3.00/execution/varying-struct-centroid.c
@@ -78,6 +78,7 @@ PIGLIT_GL_TEST_CONFIG_END
static const char vs_text[] =
"#version 300 es\n"
+ "precision mediump float;\n"
"in vec4 piglit_vertex;\n"
"struct Foo {\n"
" vec4 v;\n"
--
1.9.1
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