Module: Mesa
Branch: master
Commit: bfb0da9fa765242f52dc66a5acb14037ef17be94
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=bfb0da9fa765242f52dc66a5acb14037ef17be94
Author: Eric Anholt <e...@anholt.net>
Date: Fri Jun 27 15:09:32 2014 +0100
gallium: Add a uif() helper function to complement fui()
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 <michel.daen...@amd.com>
Reviewed-by: Emil Velikov <emil.l.veli...@gmail.com>
---
src/gallium/auxiliary/util/u_math.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/gallium/auxiliary/util/u_math.h
b/src/gallium/auxiliary/util/u_math.h
index d956fa1..2823e05 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].
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