depsgraph_type.hh

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/* SPDX-FileCopyrightText: 2013 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include <cstdint>
 
/* TODO(sergey): Ideally we'll just use char* and statically allocated strings
 * to avoid any possible overhead caused by string (re)allocation/formatting. */
 
struct CustomData_MeshMasks;
 
namespace blender::deg {
 
/* Source of the dependency graph node update tag.
 *
 * NOTE: This is a bit mask, so accumulation of sources is possible.
 *
 * TODO(sergey): Find a better place for this. */
enum eUpdateSource {
  /* Update is caused by a time change. */
  DEG_UPDATE_SOURCE_TIME = (1 << 0),
  /* Update caused by user directly or indirectly influencing the node. */
  DEG_UPDATE_SOURCE_USER_EDIT = (1 << 1),
  /* Update is happening as a special response for the relations update. */
  DEG_UPDATE_SOURCE_RELATIONS = (1 << 2),
  /* Update is happening due to visibility change. */
  DEG_UPDATE_SOURCE_VISIBILITY = (1 << 3),
  DEG_UPDATE_SOURCE_SIDE_EFFECT_REQUEST = (1 << 4),
};
 
/* C++ wrapper around DNA's CustomData_MeshMasks struct. */
struct DEGCustomDataMeshMasks {
  uint64_t vert_mask;
  uint64_t edge_mask;
  uint64_t face_mask;
  uint64_t loop_mask;
  uint64_t poly_mask;
 
  DEGCustomDataMeshMasks() : vert_mask(0), edge_mask(0), face_mask(0), loop_mask(0), poly_mask(0)
  {
  }
 
  explicit DEGCustomDataMeshMasks(const CustomData_MeshMasks *other);
 
  DEGCustomDataMeshMasks &operator|=(const DEGCustomDataMeshMasks &other)
  {
    this->vert_mask |= other.vert_mask;
    this->edge_mask |= other.edge_mask;
    this->face_mask |= other.face_mask;
    this->loop_mask |= other.loop_mask;
    this->poly_mask |= other.poly_mask;
    return *this;
  }
 
  DEGCustomDataMeshMasks operator|(const DEGCustomDataMeshMasks &other) const
  {
    DEGCustomDataMeshMasks result;
    result.vert_mask = this->vert_mask | other.vert_mask;
    result.edge_mask = this->edge_mask | other.edge_mask;
    result.face_mask = this->face_mask | other.face_mask;
    result.loop_mask = this->loop_mask | other.loop_mask;
    result.poly_mask = this->poly_mask | other.poly_mask;
    return result;
  }
 
  bool operator==(const DEGCustomDataMeshMasks &other) const
  {
    return (this->vert_mask == other.vert_mask && this->edge_mask == other.edge_mask &&
            this->face_mask == other.face_mask && this->loop_mask == other.loop_mask &&
            this->poly_mask == other.poly_mask);
  }
 
  bool operator!=(const DEGCustomDataMeshMasks &other) const
  {
    return !(*this == other);
  }
 
  static DEGCustomDataMeshMasks MaskVert(const uint64_t vert_mask)
  {
    DEGCustomDataMeshMasks result;
    result.vert_mask = vert_mask;
    return result;
  }
 
  static DEGCustomDataMeshMasks MaskEdge(const uint64_t edge_mask)
  {
    DEGCustomDataMeshMasks result;
    result.edge_mask = edge_mask;
    return result;
  }
 
  static DEGCustomDataMeshMasks MaskFace(const uint64_t face_mask)
  {
    DEGCustomDataMeshMasks result;
    result.face_mask = face_mask;
    return result;
  }
 
  static DEGCustomDataMeshMasks MaskLoop(const uint64_t loop_mask)
  {
    DEGCustomDataMeshMasks result;
    result.loop_mask = loop_mask;
    return result;
  }
 
  static DEGCustomDataMeshMasks MaskPoly(const uint64_t poly_mask)
  {
    DEGCustomDataMeshMasks result;
    result.poly_mask = poly_mask;
    return result;
  }
};
 
}  // namespace blender::deg