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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) 2013 Blender Foundation.
* All rights reserved.
*
* Original Author: Joshua Leung
* Contributor(s): None Yet
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/depsgraph/intern/nodes/deg_node_component.h
* \ingroup depsgraph
*/
#pragma once
#include "intern/nodes/deg_node.h"
#include "BLI_utildefines.h"
#include "BLI_string.h"
struct ID;
struct bPoseChannel;
struct GHash;
namespace DEG {
struct Depsgraph;
struct OperationDepsNode;
struct BoneComponentDepsNode;
struct IDDepsNode;
/* ID Component - Base type for all components */
struct ComponentDepsNode : public DepsNode {
/* Key used to look up operations within a component */
struct OperationIDKey
{
eDepsOperation_Code opcode;
const char *name;
int name_tag;
OperationIDKey();
OperationIDKey(eDepsOperation_Code opcode);
OperationIDKey(eDepsOperation_Code opcode,
const char *name,
int name_tag);
string identifier() const;
bool operator==(const OperationIDKey &other) const;
};
/* Typedef for container of operations */
ComponentDepsNode();
~ComponentDepsNode();
void init(const ID *id, const char *subdata);
string identifier() const;
/* Find an existing operation, if requested operation does not exist
* NULL will be returned.
*/
OperationDepsNode *find_operation(OperationIDKey key) const;
OperationDepsNode *find_operation(eDepsOperation_Code opcode,
const char *name,
int name_tag) const;
/* Find an existing operation, will throw an assert() if it does not exist. */
OperationDepsNode *get_operation(OperationIDKey key) const;
OperationDepsNode *get_operation(eDepsOperation_Code opcode,
const char *name,
int name_tag) const;
/* Check operation exists and return it. */
bool has_operation(OperationIDKey key) const;
bool has_operation(eDepsOperation_Code opcode,
const char *name,
int name_tag) const;
/**
* Create a new node for representing an operation and add this to graph
* \warning If an existing node is found, it will be modified. This helps
* when node may have been partially created earlier (e.g. parent ref before
* parent item is added)
*
* \param type: Operation node type (corresponding to context/component that
* it operates in)
* \param optype: Role that operation plays within component
* (i.e. where in eval process)
* \param op: The operation to perform
* \param name: Identifier for operation - used to find/locate it again
*/
OperationDepsNode *add_operation(const DepsEvalOperationCb& op,
eDepsOperation_Code opcode,
const char *name,
int name_tag);
/* Entry/exit operations management.
*
* Use those instead of direct set since this will perform sanity checks.
*/
void set_entry_operation(OperationDepsNode *op_node);
void set_exit_operation(OperationDepsNode *op_node);
void clear_operations();
void tag_update(Depsgraph *graph);
OperationDepsNode *get_entry_operation();
OperationDepsNode *get_exit_operation();
void finalize_build(Depsgraph *graph);
IDDepsNode *owner;
/* ** Inner nodes for this component ** */
/* Operations stored as a hash map, for faster build.
* This hash map will be freed when graph is fully built.
*/
GHash *operations_map;
/* This is a "normal" list of operations, used by evaluation
* and other routines after construction.
*/
vector<OperationDepsNode *> operations;
OperationDepsNode *entry_operation;
OperationDepsNode *exit_operation;
virtual bool depends_on_cow() { return true; }
/* Denotes whether COW component is to be tagged when this component
* is tagged for update.
*/
virtual bool need_tag_cow_before_update() { return true; }
};
/* ---------------------------------------- */
#define DEG_COMPONENT_NODE_DEFINE_TYPEINFO(NodeType, type_, tname_, id_recalc_tag) \
const DepsNode::TypeInfo NodeType::typeinfo = \
DepsNode::TypeInfo(type_, tname_, id_recalc_tag)
#define DEG_COMPONENT_NODE_DECLARE DEG_DEPSNODE_DECLARE
#define DEG_COMPONENT_NODE_DEFINE(name, NAME, id_recalc_tag) \
DEG_COMPONENT_NODE_DEFINE_TYPEINFO(name ## ComponentDepsNode, \
DEG_NODE_TYPE_ ## NAME, \
#name " Component", \
id_recalc_tag) ; \
static DepsNodeFactoryImpl<name ## ComponentDepsNode> DNTI_ ## NAME
#define DEG_COMPONENT_NODE_DECLARE_GENERIC(name) \
struct name ## ComponentDepsNode : public ComponentDepsNode { \
DEG_COMPONENT_NODE_DECLARE; \
}
#define DEG_COMPONENT_NODE_DECLARE_NO_COW_TAG_ON_UPDATE(name) \
struct name ## ComponentDepsNode : public ComponentDepsNode { \
DEG_COMPONENT_NODE_DECLARE; \
virtual bool need_tag_cow_before_update() { return false; } \
}
DEG_COMPONENT_NODE_DECLARE_GENERIC(Animation);
DEG_COMPONENT_NODE_DECLARE_NO_COW_TAG_ON_UPDATE(BatchCache);
DEG_COMPONENT_NODE_DECLARE_GENERIC(Cache);
DEG_COMPONENT_NODE_DECLARE_GENERIC(CopyOnWrite);
DEG_COMPONENT_NODE_DECLARE_GENERIC(Geometry);
DEG_COMPONENT_NODE_DECLARE_GENERIC(LayerCollections);
DEG_COMPONENT_NODE_DECLARE_GENERIC(Parameters);
DEG_COMPONENT_NODE_DECLARE_GENERIC(Particles);
DEG_COMPONENT_NODE_DECLARE_GENERIC(Proxy);
DEG_COMPONENT_NODE_DECLARE_GENERIC(Pose);
DEG_COMPONENT_NODE_DECLARE_GENERIC(Sequencer);
DEG_COMPONENT_NODE_DECLARE_NO_COW_TAG_ON_UPDATE(Shading);
DEG_COMPONENT_NODE_DECLARE_GENERIC(ShadingParameters);
DEG_COMPONENT_NODE_DECLARE_GENERIC(Transform);
DEG_COMPONENT_NODE_DECLARE_NO_COW_TAG_ON_UPDATE(ObjectFromLayer);
/* Bone Component */
struct BoneComponentDepsNode : public ComponentDepsNode {
void init(const ID *id, const char *subdata);
struct bPoseChannel *pchan; /* the bone that this component represents */
DEG_COMPONENT_NODE_DECLARE;
};
void deg_register_component_depsnodes();
} // namespace DEG
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