From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 7 Nov 2008 19:59:36 +0000 (-0700)
Subject: mesa: forgot sqrt in NRM3/4 instructions
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=22459e7a9ca01cc5af8d9baeb6354d2e825cdbc9;p=mesa.git

mesa: forgot sqrt in NRM3/4 instructions
---

diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index ef17ed128a7..96a083527f9 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -1190,7 +1190,7 @@ _mesa_execute_program(GLcontext * ctx,
             fetch_vector4(&inst->SrcReg[0], machine, a);
             tmp = a[0] * a[0] + a[1] * a[1] + a[2] * a[2];
             if (tmp != 0.0F)
-               tmp = 1.0F / tmp;
+               tmp = INV_SQRTF(tmp);
             result[0] = tmp * a[0];
             result[1] = tmp * a[1];
             result[2] = tmp * a[2];
@@ -1205,7 +1205,7 @@ _mesa_execute_program(GLcontext * ctx,
             fetch_vector4(&inst->SrcReg[0], machine, a);
             tmp = a[0] * a[0] + a[1] * a[1] + a[2] * a[2] + a[3] * a[3];
             if (tmp != 0.0F)
-               tmp = 1.0F / tmp;
+               tmp = INV_SQRTF(tmp);
             result[0] = tmp * a[0];
             result[1] = tmp * a[1];
             result[2] = tmp * a[2];