[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [47360] trunk/blender/intern/cycles/kernel /osl/nodes: Cycles / OSL Textures:

[Thomas Dinges]

Revision: 47360
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=47360
Author:   dingto
Date:     2012-06-03 00:02:24 +0000 (Sun, 03 Jun 2012)
Log Message:
-----------
Cycles / OSL Textures:
* Ported my checker texture to OSL. :) 

Modified Paths:
--------------
    trunk/blender/intern/cycles/kernel/osl/nodes/CMakeLists.txt

Added Paths:
-----------
    trunk/blender/intern/cycles/kernel/osl/nodes/node_checker_texture.osl

Modified: trunk/blender/intern/cycles/kernel/osl/nodes/CMakeLists.txt
===================================================================
--- trunk/blender/intern/cycles/kernel/osl/nodes/CMakeLists.txt	2012-06-02 22:57:26 UTC (rev 47359)
+++ trunk/blender/intern/cycles/kernel/osl/nodes/CMakeLists.txt	2012-06-03 00:02:24 UTC (rev 47360)
@@ -7,6 +7,7 @@
 	node_background.osl
 	node_bump.osl
 	node_camera.osl
+	node_checker_texture.osl
 	node_convert_from_color.osl
 	node_convert_from_float.osl
 	node_convert_from_normal.osl

Added: trunk/blender/intern/cycles/kernel/osl/nodes/node_checker_texture.osl
===================================================================
--- trunk/blender/intern/cycles/kernel/osl/nodes/node_checker_texture.osl	                        (rev 0)
+++ trunk/blender/intern/cycles/kernel/osl/nodes/node_checker_texture.osl	2012-06-03 00:02:24 UTC (rev 47360)
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2012, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "stdosl.h"
+#include "node_texture.h"
+
+/* Checker */
+
+float checker(point p)
+{
+	p[0] = (p[0] + 0.00001)*0.9999);
+	p[1] = (p[1] + 0.00001)*0.9999);
+	p[2] = (p[2] + 0.00001)*0.9999);
+	
+	int xi = fabs(floor(p[0]));
+	int yi = fabs(floor(p[1]));
+	int zi = fabs(floor(p[2]));
+
+	if((xi % 2 == yi % 2) == (zi % 2)) {
+		return 1.0;
+	}
+	else {
+		return 0.0;
+	}
+}
+
+shader node_checker_texture(
+	float Scale = 5.0,
+	point Vector = P,
+	color Color1 = color(0.8, 0.8, 0.8);
+	color Color2 = color(0.2, 0.2, 0.2);
+	output float Fac = 0.0)
+	output color Color = color(0.0, 0.0, 0.0))
+{
+	Fac = checker(Vector*Scale);
+	if(Fac == 1.0) {
+		Color = color(Color1, Color1, Color1);
+	}
+	else {
+		Color = color(Color2, Color2, Color2);
+	}
+}
+