glsl: Add ir_variable::is_in_uniform_block predicate

The way a variable is tested for this property is about to change, and
this makes the code easier to modify.

Signed-off-by: Ian Romanick <[email protected]>
Reviewed-by: Carl Worth <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/glsl/ir.h b/src/glsl/ir.h
index 9fdfb18e25b..14212dfb7a2 100644
--- a/src/glsl/ir.h
+++ b/src/glsl/ir.h
@@ -350,6 +350,14 @@ public:
    glsl_interp_qualifier determine_interpolation_mode(bool flat_shade);
 
    /**
+    * Determine whether or not a variable is part of a uniform block.
+    */
+   inline bool is_in_uniform_block() const
+   {
+      return this->mode == ir_var_uniform && this->uniform_block != -1;
+   }
+
+   /**
     * Declared type of the variable
     */
    const struct glsl_type *type;