1 files changed, 49 insertions, 2 deletions

diff --git a/mesalib/src/glsl/linker.h b/mesalib/src/glsl/linker.h
index 67c7f3488..14eb9c1cd 100644
--- a/mesalib/src/glsl/linker.h
+++ b/mesalib/src/glsl/linker.h
@@ -49,6 +49,17 @@ link_cross_validate_uniform_block(void *mem_ctx,
 void
 link_assign_uniform_block_offsets(struct gl_shader *shader);
 
+extern bool
+link_uniform_blocks_are_compatible(const gl_uniform_block *a,
+				   const gl_uniform_block *b);
+
+extern int
+link_uniform_blocks(void *mem_ctx,
+                    struct gl_shader_program *prog,
+                    struct gl_shader **shader_list,
+                    unsigned num_shaders,
+                    struct gl_uniform_block **blocks_ret);
+
 /**
  * Class for processing all of the leaf fields of an uniform
  *
@@ -71,24 +82,60 @@ public:
     * \param var  The uniform variable that is to be processed
     *
     * Calls \c ::visit_field for each leaf of the uniform.
+    *
+    * \warning
+    * This entry should only be used with uniform blocks in cases where the
+    * row / column ordering of matrices in the block does not matter.  For
+    * example, enumerating the names of members of the block, but not for
+    * determining the offsets of members.
     */
    void process(ir_variable *var);
 
+   /**
+    * Begin processing a uniform of a structured type.
+    *
+    * This flavor of \c process should be used to handle structured types
+    * (i.e., structures, interfaces, or arrays there of) that need special
+    * name handling.  A common usage is to handle cases where the block name
+    * (instead of the instance name) is used for an interface block.
+    *
+    * \param type  Type that is to be processed, associated with \c name
+    * \param name  Base name of the structured uniform being processed
+    *
+    * \note
+    * \c type must be \c GLSL_TYPE_RECORD, \c GLSL_TYPE_INTERFACE, or an array
+    * there of.
+    */
+   void process(const glsl_type *type, const char *name);
+
 protected:
    /**
     * Method invoked for each leaf of the uniform
     *
     * \param type  Type of the field.
     * \param name  Fully qualified name of the field.
+    * \param row_major  For a matrix type, is it stored row-major.
+    */
+   virtual void visit_field(const glsl_type *type, const char *name,
+                            bool row_major) = 0;
+
+   /**
+    * Visit a record before visiting its fields
+    *
+    * For structures-of-structures or interfaces-of-structures, this visits
+    * the inner structure before visiting its fields.
+    *
+    * The default implementation does nothing.
     */
-   virtual void visit_field(const glsl_type *type, const char *name) = 0;
+   virtual void visit_field(const glsl_struct_field *field);
 
 private:
    /**
     * \param name_length  Length of the current name \b not including the
     *                     terminating \c NUL character.
     */
-   void recursion(const glsl_type *t, char **name, size_t name_length);
+   void recursion(const glsl_type *t, char **name, size_t name_length,
+                  bool row_major);
 };
 
 void