From: Brian <brian.paul@tungstengraphics.com>
Date: Sat, 8 Nov 2008 17:29:03 +0000 (-0700)
Subject: mesa: use NRM3 in emit_normalize_vec3() when drivers are ready
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e24afc808f7f00941a01fcedeb76df16c062170f;p=mesa.git

mesa: use NRM3 in emit_normalize_vec3() when drivers are ready
---

diff --git a/src/mesa/main/ffvertex_prog.c b/src/mesa/main/ffvertex_prog.c
index 5155c01e413..0d1346420c7 100644
--- a/src/mesa/main/ffvertex_prog.c
+++ b/src/mesa/main/ffvertex_prog.c
@@ -726,11 +726,16 @@ static void emit_normalize_vec3( struct tnl_program *p,
 				 struct ureg dest,
 				 struct ureg src )
 {
+#if 0
+   /* XXX use this when drivers are ready for NRM3 */
+   emit_op1(p, OPCODE_NRM3, dest, WRITEMASK_XYZ, src);
+#else
    struct ureg tmp = get_temp(p);
    emit_op2(p, OPCODE_DP3, tmp, WRITEMASK_X, src, src);
    emit_op1(p, OPCODE_RSQ, tmp, WRITEMASK_X, tmp);
    emit_op2(p, OPCODE_MUL, dest, 0, src, swizzle1(tmp, X));
    release_temp(p, tmp);
+#endif
 }
 
 static void emit_passthrough( struct tnl_program *p,