diff --git a/src/mesa/main/formats.c b/src/mesa/main/formats.c
index f48c782a022..a46572513f0 100644
--- a/src/mesa/main/formats.c
+++ b/src/mesa/main/formats.c
@@ -665,6 +665,16 @@ _mesa_is_format_rgtc(mesa_format format)
 }
 
 
+/**
+ * Return TRUE if format is an LATC compressed format.
+ */
+bool
+_mesa_is_format_latc(mesa_format format)
+{
+   return _mesa_get_format_layout(format) == MESA_FORMAT_LAYOUT_LATC;
+}
+
+
 /**
  * Return TRUE if format is an BPTC compressed format.
  */
diff --git a/src/mesa/main/formats.h b/src/mesa/main/formats.h
index acc69c1654d..aee6217621d 100644
--- a/src/mesa/main/formats.h
+++ b/src/mesa/main/formats.h
@@ -701,6 +701,9 @@ _mesa_is_format_s3tc(mesa_format format);
 bool
 _mesa_is_format_rgtc(mesa_format format);
 
+bool
+_mesa_is_format_latc(mesa_format format);
+
 bool
 _mesa_is_format_bptc(mesa_format format);