From 94e57dbe0db41a0910123de2818d82e5fb675ccc Mon Sep 17 00:00:00 2001
From: Ton Roosendaal <ton@blender.org>
Date: Thu, 29 Apr 2004 16:33:08 +0000
Subject: [PATCH] Noted by Desoto: new 'Checker' option for Image repeat could
 use better preview.

---
 source/blender/src/previewrender.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/blender/src/previewrender.c b/source/blender/src/previewrender.c
index 92821b11aa7..c95fbfa1128 100644
--- a/source/blender/src/previewrender.c
+++ b/source/blender/src/previewrender.c
@@ -598,6 +598,10 @@ static void texture_preview_pixel(Tex *tex, int x, int y, char *rect)
 				if(texvec[1]>1.0) texvec[1] -= (int)(texvec[1]);
 			}
 		}
+		else if(tex->extend==TEX_CHECKER) {
+			texvec[0]= 0.5+1.6*v1*x;
+			texvec[1]= 0.5+1.6*v1*y;
+		}
 	}
 	else if(tex->type==TEX_ENVMAP) {
 		if(tex->env) {