From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 21 Apr 2005 14:19:50 +0000 (+0000)
Subject: use _mesa_pow() for LIT (bug 3087)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=88b69d799800bfec061943204de1627989f42fad;p=mesa.git

use _mesa_pow() for LIT (bug 3087)
---

diff --git a/src/mesa/shader/nvvertexec.c b/src/mesa/shader/nvvertexec.c
index 064a7f020b9..f0558da1abf 100644
--- a/src/mesa/shader/nvvertexec.c
+++ b/src/mesa/shader/nvvertexec.c
@@ -424,7 +424,7 @@ _mesa_exec_vertex_program(GLcontext *ctx, const struct vertex_program *program)
                t[3] = CLAMP(t[3], -(128.0F - epsilon), (128.0F - epsilon));
                lit[0] = 1.0;
                lit[1] = t[0];
-               lit[2] = (t[0] > 0.0) ? (GLfloat) exp(t[3] * log(t[1])) : 0.0F;
+               lit[2] = (t[0] > 0.0) ? (GLfloat) _mesa_pow(t[1], t[3]) : 0.0F;
                lit[3] = 1.0;
                store_vector4( &inst->DstReg, state, lit );
             }