From: Kenneth Graunke <kenneth@whitecape.org>
Date: Sat, 13 Jul 2013 05:34:19 +0000 (-0700)
Subject: glsl: Add a new ast_type_qualifier::has_layout() method.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7cef2b22b84aecf9cddf65a3a054fd39e2e9b369;p=mesa.git

glsl: Add a new ast_type_qualifier::has_layout() method.

This makes it easy to check if any layout qualifiers are set.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Matt Turner <mattst88@gmail.com>
---

diff --git a/src/glsl/ast.h b/src/glsl/ast.h
index c0350e7358e..441b389a74a 100644
--- a/src/glsl/ast.h
+++ b/src/glsl/ast.h
@@ -457,6 +457,11 @@ struct ast_type_qualifier {
     */
    bool has_interpolation() const;
 
+   /**
+    * Return whether a layout qualifier is present.
+    */
+   bool has_layout() const;
+
    /**
     * \brief Return string representation of interpolation qualifier.
     *
diff --git a/src/glsl/ast_type.cpp b/src/glsl/ast_type.cpp
index be84550da78..4e870a70742 100644
--- a/src/glsl/ast_type.cpp
+++ b/src/glsl/ast_type.cpp
@@ -56,6 +56,24 @@ bool ast_type_qualifier::has_interpolation() const
           || this->flags.q.noperspective;
 }
 
+bool
+ast_type_qualifier::has_layout() const
+{
+   return this->flags.q.origin_upper_left
+          || this->flags.q.pixel_center_integer
+          || this->flags.q.depth_any
+          || this->flags.q.depth_greater
+          || this->flags.q.depth_less
+          || this->flags.q.depth_unchanged
+          || this->flags.q.std140
+          || this->flags.q.shared
+          || this->flags.q.column_major
+          || this->flags.q.row_major
+          || this->flags.q.packed
+          || this->flags.q.explicit_location
+          || this->flags.q.explicit_index;
+}
+
 const char*
 ast_type_qualifier::interpolation_string() const
 {