glsl: Add support for default layout qualifiers for uniforms.

I ended up having to add rallocing of the ast_type_qualifier in order
to avoid pulling in ast.h for glsl_parser_extras.h, because I wanted
to track an ast_type_qualifier in the state.

Fixes piglit ARB_uniform_buffer_object/row-major.

Reviewed-by: Kenneth Graunke <[email protected]>
Reviewed-by: Ian Romanick <[email protected]>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h
index bdb5b677cdf..c0a96c730c9 100644
--- a/src/glsl/glsl_parser_extras.h
+++ b/src/glsl/glsl_parser_extras.h
@@ -92,6 +92,13 @@ struct _mesa_glsl_parse_state {
    enum _mesa_glsl_parser_targets target;
 
    /**
+    * Default uniform layout qualifiers tracked during parsing.
+    * Currently affects uniform blocks and uniform buffer variables in
+    * those blocks.
+    */
+   class ast_type_qualifier *default_uniform_qualifier;
+
+   /**
     * Printable list of GLSL versions supported by the current context
     *
     * \note