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-rw-r--r--src/gallium/auxiliary/util/u_format.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_format.h b/src/gallium/auxiliary/util/u_format.h
index b2aa5bfb188..c08fdcafcc8 100644
--- a/src/gallium/auxiliary/util/u_format.h
+++ b/src/gallium/auxiliary/util/u_format.h
@@ -415,6 +415,16 @@ util_format_has_alpha(enum pipe_format format)
}
}
+/**
+ * Return the number of components stored.
+ * Formats with block size != 1x1 will always have 1 component (the block).
+ */
+static INLINE unsigned
+util_format_get_nr_components(enum pipe_format format)
+{
+ const struct util_format_description *desc = util_format_description(format);
+ return desc->nr_channels;
+}
/*
* Format access functions.