1 files changed, 68 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_object.h b/intern/cycles/kernel/kernel_object.h
new file mode 100644
index 00000000000..b4c42d3bacc
--- /dev/null
+++ b/intern/cycles/kernel/kernel_object.h
@@ -0,0 +1,68 @@
+/*
+ * Copyright 2011, 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.
+ */
+
+CCL_NAMESPACE_BEGIN
+
+enum ObjectTransform {
+	OBJECT_TRANSFORM = 0,
+	OBJECT_INVERSE_TRANSFORM = 4,
+	OBJECT_NORMAL_TRANSFORM = 8,
+	OBJECT_PROPERTIES = 12
+};
+
+__device_inline Transform object_fetch_transform(KernelGlobals *kg, int object, enum ObjectTransform type)
+{
+	Transform tfm;
+
+	int offset = object*OBJECT_SIZE + (int)type;
+
+	tfm.x = kernel_tex_fetch(__objects, offset + 0);
+	tfm.y = kernel_tex_fetch(__objects, offset + 1);
+	tfm.z = kernel_tex_fetch(__objects, offset + 2);
+	tfm.w = kernel_tex_fetch(__objects, offset + 3);
+
+	return tfm;
+}
+
+__device_inline void object_position_transform(KernelGlobals *kg, int object, float3 *P)
+{
+	Transform tfm = object_fetch_transform(kg, object, OBJECT_TRANSFORM);
+	*P = transform(&tfm, *P);
+}
+
+__device_inline void object_normal_transform(KernelGlobals *kg, int object, float3 *N)
+{
+	Transform tfm = object_fetch_transform(kg, object, OBJECT_NORMAL_TRANSFORM);
+	*N = normalize(transform_direction(&tfm, *N));
+}
+
+__device_inline void object_dir_transform(KernelGlobals *kg, int object, float3 *D)
+{
+	Transform tfm = object_fetch_transform(kg, object, OBJECT_TRANSFORM);
+	*D = transform_direction(&tfm, *D);
+}
+
+__device_inline float object_surface_area(KernelGlobals *kg, int object)
+{
+	int offset = object*OBJECT_SIZE + OBJECT_PROPERTIES;
+	float4 f = kernel_tex_fetch(__objects, offset);
+	return f.x;
+}
+
+CCL_NAMESPACE_END
+