gallium/util: add util_num_layers helper

1 files changed, 7 insertions, 1 deletions

diff --git a/src/gallium/auxiliary/util/u_inlines.h b/src/gallium/auxiliary/util/u_inlines.h
index 790352d7800..4ba6ad72b62 100644
--- a/src/gallium/auxiliary/util/u_inlines.h
+++ b/src/gallium/auxiliary/util/u_inlines.h
@@ -666,6 +666,12 @@ util_max_layer(const struct pipe_resource *r, unsigned level)
    }
 }
 
+static inline unsigned
+util_num_layers(const struct pipe_resource *r, unsigned level)
+{
+   return util_max_layer(r, level) + 1;
+}
+
 static inline bool
 util_texrange_covers_whole_level(const struct pipe_resource *tex,
                                  unsigned level, unsigned x, unsigned y,
@@ -675,7 +681,7 @@ util_texrange_covers_whole_level(const struct pipe_resource *tex,
    return x == 0 && y == 0 && z == 0 &&
           width == u_minify(tex->width0, level) &&
           height == u_minify(tex->height0, level) &&
-          depth == util_max_layer(tex, level) + 1;
+          depth == util_num_layers(tex, level);
 }
 
 #ifdef __cplusplus