Cycles render engine, initial commit. This is the engine itself, blender modifications and build instructions will follow later.

Cycles uses code from some great open source projects, many thanks them:

* BVH building and traversal code from NVidia's "Understanding the Efficiency of Ray Traversal on GPUs":
http://code.google.com/p/understanding-the-efficiency-of-ray-traversal-on-gpus/
* Open Shading Language for a large part of the shading system:
http://code.google.com/p/openshadinglanguage/
* Blender for procedural textures and a few other nodes.
* Approximate Catmull Clark subdivision from NVidia Mesh tools:
http://code.google.com/p/nvidia-mesh-tools/
* Sobol direction vectors from:
http://web.maths.unsw.edu.au/~fkuo/sobol/
* Film response functions from:
http://www.cs.columbia.edu/CAVE/software/softlib/dorf.php

1 files changed, 105 insertions, 0 deletions

diff --git a/intern/cycles/blender/blender_sync.h b/intern/cycles/blender/blender_sync.h
new file mode 100644
index 00000000000..f1fce37bfaf
--- /dev/null
+++ b/intern/cycles/blender/blender_sync.h
@@ -0,0 +1,105 @@
+/*
+ * 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.
+ */
+
+#ifndef __BLENDER_SYNC_H__
+#define __BLENDER_SYNC_H__
+
+#include "MEM_guardedalloc.h"
+#include "RNA_types.h"
+#include "RNA_access.h"
+#include "RNA_blender_cpp.h"
+
+#include "blender_util.h"
+
+#include "scene.h"
+#include "session.h"
+
+#include "util_map.h"
+#include "util_set.h"
+#include "util_transform.h"
+#include "util_vector.h"
+
+CCL_NAMESPACE_BEGIN
+
+class Background;
+class Camera;
+class Film;
+class Light;
+class Mesh;
+class Object;
+class Scene;
+class Shader;
+class ShaderGraph;
+class ShaderNode;
+
+class BlenderSync {
+public:
+	BlenderSync(BL::BlendData b_data, BL::Scene b_scene, Scene *scene_, bool preview_);
+	~BlenderSync();
+
+	/* sync */
+	bool sync_recalc();
+	void sync_data(BL::SpaceView3D b_v3d);
+	void sync_camera(int width, int height);
+	void sync_view(BL::SpaceView3D b_v3d, BL::RegionView3D b_rv3d, int width, int height);
+
+	/* get parameters */
+	static SceneParams get_scene_params(BL::Scene b_scene);
+	static SessionParams get_session_params(BL::Scene b_scene, bool background);
+
+private:
+	/* sync */
+	void sync_lamps();
+	void sync_materials();
+	void sync_objects(BL::SpaceView3D b_v3d);
+	void sync_film();
+	void sync_integrator();
+	void sync_view();
+	void sync_world();
+	void sync_shaders();
+
+	void sync_nodes(Shader *shader, BL::ShaderNodeTree b_ntree);
+	Mesh *sync_mesh(BL::Object b_ob, bool object_updated);
+	void sync_object(BL::Object b_parent, int b_index, BL::Object b_object, Transform& tfm);
+	void sync_light(BL::Object b_ob, Transform& tfm);
+
+	/* util */
+	void find_shader(BL::ID id, vector<uint>& used_shaders);
+	bool object_is_modified(BL::Object b_ob);
+	bool object_is_mesh(BL::Object b_ob);
+	bool object_is_light(BL::Object b_ob);
+
+	/* variables */
+	BL::BlendData b_data;
+	BL::Scene b_scene;
+
+	id_map<void*, Shader> shader_map;
+	id_map<ObjectKey, Object> object_map;
+	id_map<void*, Mesh> mesh_map;
+	id_map<void*, Light> light_map;
+	void *world_map;
+	bool world_recalc;
+
+	Scene *scene;
+	bool preview;
+};
+
+CCL_NAMESPACE_END
+
+#endif /* __BLENDER_SYNC_H__ */
+