pipebuffer: Verify usage flag consistency. Minor cleanups.

1 files changed, 15 insertions, 4 deletions

diff --git a/src/gallium/auxiliary/pipebuffer/pb_buffer.h b/src/gallium/auxiliary/pipebuffer/pb_buffer.h
index 857ea53c786..83ea0be74b8 100644
--- a/src/gallium/auxiliary/pipebuffer/pb_buffer.h
+++ b/src/gallium/auxiliary/pipebuffer/pb_buffer.h
@@ -204,13 +204,24 @@ pb_reference(struct pb_buffer **dst,
 
 
 /**
- * Utility function to check whether a requested alignment is consistent with
- * the provided alignment or not.
+ * Utility function to check whether the provided alignment is consistent with
+ * the requested or not.
  */
-static INLINE int
+static INLINE boolean
 pb_check_alignment(size_t requested, size_t provided)
 {
-   return requested <= provided && (provided % requested) == 0;
+   return requested <= provided && (provided % requested) == 0 ? TRUE : FALSE;
+}
+
+
+/**
+ * Utility function to check whether the provided alignment is consistent with
+ * the requested or not.
+ */
+static INLINE boolean
+pb_check_usage(unsigned requested, unsigned provided)
+{
+   return (requested & provided) == provided ? TRUE : FALSE;
 }