From bfb0da9fa765242f52dc66a5acb14037ef17be94 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Fri, 27 Jun 2014 15:09:32 +0100 Subject: gallium: Add a uif() helper function to complement fui() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit I found myself often wanting this when I'm printing out a uint32_t mapping of some GPU data, and I want to put in an interpretation of that value as a float. Reviewed-by: Michel Dänzer Reviewed-by: Emil Velikov --- src/gallium/auxiliary/util/u_math.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'src/gallium/auxiliary/util') diff --git a/src/gallium/auxiliary/util/u_math.h b/src/gallium/auxiliary/util/u_math.h index d956fa1c975..2823e0570fc 100644 --- a/src/gallium/auxiliary/util/u_math.h +++ b/src/gallium/auxiliary/util/u_math.h @@ -616,6 +616,14 @@ fui( float f ) return fi.ui; } +static INLINE float +uif(uint32_t ui) +{ + union fi fi; + fi.ui = ui; + return fi.f; +} + /** * Convert ubyte to float in [0, 1]. -- cgit v1.2.3