From: Keith Whitwell <keithw@vmware.com>
Date: Sun, 23 Aug 2009 22:50:27 +0000 (+0100)
Subject: mesa/swrast: use one fewer divide in swrast's choose_cube_face also
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=67d4a5b15cfd8583c19a5776b0ec1564b60239eb;p=mesa.git

mesa/swrast: use one fewer divide in swrast's choose_cube_face also

Same change as for softpipe
---

diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index 6b1f9346475..216c107e3f3 100644
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -1905,8 +1905,12 @@ choose_cube_face(const struct gl_texture_object *texObj,
       }
    }
 
-   newCoord[0] = ( sc / ma + 1.0F ) * 0.5F;
-   newCoord[1] = ( tc / ma + 1.0F ) * 0.5F;
+   { 
+      const float ima = 1.0F / ma;
+      newCoord[0] = ( sc * ima + 1.0F ) * 0.5F;
+      newCoord[1] = ( tc * ima + 1.0F ) * 0.5F;
+   }
+
    return (const struct gl_texture_image **) texObj->Image[face];
 }