glsl: At link-time, check that globals have matching centroid qualifiers
Fixes bug 31923: http://bugs.freedesktop.org/show_bug.cgi?id=31923
diff --git a/src/glsl/linker.cpp b/src/glsl/linker.cpp
index d8c42ac..c906d74 100644
--- a/src/glsl/linker.cpp
+++ b/src/glsl/linker.cpp
@@ -422,6 +422,12 @@
mode_string(var), var->name);
return false;
}
+ if (existing->centroid != var->centroid) {
+ linker_error_printf(prog, "declarations for %s `%s' have "
+ "mismatching centroid qualifiers\n",
+ mode_string(var), var->name);
+ return false;
+ }
} else
variables.add_variable(var);
}