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+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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.
+ *
+ * The Original Code is Copyright (C) 2014 Blender Foundation.
+ * All rights reserved.
+ *
+ * Original Author: Joshua Leung
+ * Contributor(s): None Yet
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/depsgraph/intern/depsnode_opcodes.h
+ *  \ingroup depsgraph
+ *
+ * \par OpCodes for OperationDepsNodes
+ *
+ * This file defines all the "operation codes" (opcodes) used to identify
+ * common operation node types. The intention of these defines is to have
+ * a fast and reliable way of identifying the relevant nodes within a component
+ * without having to use fragile dynamic strings.
+ *
+ * This file is meant to be used like UI_icons.h. That is, before including
+ * the file, the host file must define the DEG_OPCODE(_label) macro, which
+ * is responsible for converting the define into whatever form is suitable.
+ * Therefore, it intentionally doesn't have header guards.
+ */
+
+
+/* Example macro define: */
+/* #define DEF_DEG_OPCODE(label) DEG_OPCODE_##label, */
+
+/* Generic Operations ------------------------------ */
+
+/* Placeholder for operations which don't need special mention */
+DEF_DEG_OPCODE(OPERATION)
+
+// XXX: Placeholder while porting depsgraph code
+DEF_DEG_OPCODE(PLACEHOLDER)
+
+DEF_DEG_OPCODE(NOOP)
+
+/* Animation, Drivers, etc. ------------------------ */
+
+/* NLA + Action */
+DEF_DEG_OPCODE(ANIMATION)
+
+/* Driver */
+DEF_DEG_OPCODE(DRIVER)
+
+/* Proxy Inherit? */
+//DEF_DEG_OPCODE(PROXY)
+
+/* Transform --------------------------------------- */
+
+/* Transform entry point - local transforms only */
+DEF_DEG_OPCODE(TRANSFORM_LOCAL)
+
+/* Parenting */
+DEF_DEG_OPCODE(TRANSFORM_PARENT)
+
+/* Constraints */
+DEF_DEG_OPCODE(TRANSFORM_CONSTRAINTS)
+//DEF_DEG_OPCODE(TRANSFORM_CONSTRAINTS_INIT)
+//DEF_DEG_OPCODE(TRANSFORM_CONSTRAINT)
+//DEF_DEG_OPCODE(TRANSFORM_CONSTRAINTS_DONE)
+
+/* Rigidbody Sim - Perform Sim */
+DEF_DEG_OPCODE(RIGIDBODY_REBUILD)
+DEF_DEG_OPCODE(RIGIDBODY_SIM)
+
+/* Rigidbody Sim - Copy Results to Object */
+DEF_DEG_OPCODE(TRANSFORM_RIGIDBODY)
+
+/* Transform exitpoint */
+DEF_DEG_OPCODE(TRANSFORM_FINAL)
+
+/* XXX: ubereval is for temporary porting purposes only */
+DEF_DEG_OPCODE(OBJECT_UBEREVAL)
+
+/* Geometry ---------------------------------------- */
+
+/* XXX: Placeholder - UberEval */
+DEF_DEG_OPCODE(GEOMETRY_UBEREVAL)
+
+/* Modifier */
+DEF_DEG_OPCODE(GEOMETRY_MODIFIER)
+
+/* Curve Objects - Path Calculation (used for path-following tools) */
+DEF_DEG_OPCODE(GEOMETRY_PATH)
+
+/* Pose -------------------------------------------- */
+
+/* Init IK Trees, etc. */
+DEF_DEG_OPCODE(POSE_INIT)
+
+/* Free IK Trees + Compute Deform Matrices */
+DEF_DEG_OPCODE(POSE_DONE)
+
+/* IK/Spline Solvers */
+DEF_DEG_OPCODE(POSE_IK_SOLVER)
+DEF_DEG_OPCODE(POSE_SPLINE_IK_SOLVER)
+
+/* Bone -------------------------------------------- */
+
+/* Bone local transforms - Entrypoint */
+DEF_DEG_OPCODE(BONE_LOCAL)
+
+/* Pose-space conversion (includes parent + restpose) */
+DEF_DEG_OPCODE(BONE_POSE_PARENT)
+
+/* Constraints */
+DEF_DEG_OPCODE(BONE_CONSTRAINTS)
+//DEF_DEG_OPCODE(BONE_CONSTRAINTS_INIT)
+//DEF_DEG_OPCODE(BONE_CONSTRAINT)
+//DEF_DEG_OPCODE(BONE_CONSTRAINTS_DONE)
+
+/* Bone transforms are ready
+ * - "READY"             This (internal) noop is used to signal that all pre-IK operations are done.
+ *                       Its role is to help mediate situations where cyclic relations may otherwise form
+ *                       (i.e. one bone in chain targetting another in same chain)
+ * - "DONE"              This noop is used to signal that the bone's final pose transform can be read by others
+ */
+// TODO: deform mats could get calculated in the final_transform ops...
+DEF_DEG_OPCODE(BONE_READY)
+DEF_DEG_OPCODE(BONE_DONE)
+
+/* Particles --------------------------------------- */
+
+/* XXX: placeholder - Particle System eval */
+DEF_DEG_OPCODE(PSYS_EVAL)