From 1246ef714e13d7e72d42aed46c260f698160dfd8 Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brechtvanlommel@pandora.be>
Date: Fri, 30 Nov 2012 06:10:25 +0000
Subject: [PATCH] Fix #33351: cycles OSL not loading grayscale images as RGB
 correctly.

---
 intern/cycles/render/osl.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/intern/cycles/render/osl.cpp b/intern/cycles/render/osl.cpp
index c1d2eade5e5..2ec7e3d3775 100644
--- a/intern/cycles/render/osl.cpp
+++ b/intern/cycles/render/osl.cpp
@@ -138,6 +138,7 @@ void OSLShaderManager::texture_system_init()
 	ts = TextureSystem::create(true);
 	ts->attribute("automip",  1);
 	ts->attribute("autotile", 64);
+	ts->attribute("gray_to_rgb", 1);
 
 	/* effectively unlimited for now, until we support proper mipmap lookups */
 	ts->attribute("max_memory_MB", 16384);