mesa/imports: Add a _mesa_half_is_negative helper function

Signed-off-by: Jason Ekstrand <jason.ekstrand@intel.com> Reviewed-by: Brian Paul <brianp@vmware.com>
2014-08-01 16:41:16 -07:00
parent 850fb0d1dc
commit 452d64986b
1 changed files with 5 additions and 0 deletions
@@ -552,6 +552,11 @@ _mesa_float_to_half(float f);
 extern float
 _mesa_half_to_float(GLhalfARB h);

+static inline bool
+_mesa_half_is_negative(GLhalfARB h)
+{
+   return h & 0x8000;
+}

 extern void *
 _mesa_bsearch( const void *key, const void *base, size_t nmemb, size_t size,