From 169e0192f2f851d4b01044e2a7e460e517c28032 Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Wed, 10 Mar 2021 19:06:15 +0900
Subject: [PATCH] [gl] Use the correct value for sqrt(0.5)

707106781 looks right, but isn't quite.
---
 libs/video/renderer/gl/gl_mod_alias.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libs/video/renderer/gl/gl_mod_alias.c b/libs/video/renderer/gl/gl_mod_alias.c
index 4b90ba54a..8e4670a77 100644
--- a/libs/video/renderer/gl/gl_mod_alias.c
+++ b/libs/video/renderer/gl/gl_mod_alias.c
@@ -701,10 +701,10 @@ gl_R_DrawAliasModel (entity_t *e)
 			qfglColor4ubv (color_black);
 		}
 		//FIXME fully vectorize
-		vec4f_t     vec = { 707106781, 0, 707106781, 0 };
+		vec4f_t     vec = { 0.707106781, 0, 0.707106781, 0 };
 		Transform_GetWorldMatrix (e->transform, shadow_mat);
 		mat4ftranspose (shadow_mat, shadow_mat);
-		vec = mvmulf (shadow_mat, vec);
+		vec = m3vmulf (shadow_mat, vec);
 		VectorCopy (vec, shadevector);
 		if (vo->tex_coord)
 			GL_DrawAliasShadowTri (paliashdr, vo);