draco/compression/mesh/mesh_edgebreaker_encoder_impl_interface.h
2016-12-12 16:39:06 -08:00

54 lines
2.2 KiB
C++

// Copyright 2016 The Draco Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef DRACO_COMPRESSION_MESH_MESH_EDGEBREAKER_ENCODER_IMPL_INTERFACE_H_
#define DRACO_COMPRESSION_MESH_MESH_EDGEBREAKER_ENCODER_IMPL_INTERFACE_H_
#include "compression/attributes/mesh_attribute_indices_encoding_data.h"
#include "mesh/corner_table.h"
#include "mesh/mesh_attribute_corner_table.h"
namespace draco {
// Forward declaration is necessary here to avoid circular dependencies.
class MeshEdgeBreakerEncoder;
// Abstract interface used by MeshEdgeBreakerEncoder to interact with the actual
// implementation of the edgebreaker method. The implementations are in general
// specializations of a template class MeshEdgeBreakerEncoderImpl where the
// template arguments control encoding of the connectivity data. Because the
// choice of the implementation is done in run-time, we need to hide it behind
// the abstract interface MeshEdgeBreakerEncoderImplInterface.
class MeshEdgeBreakerEncoderImplInterface {
public:
virtual ~MeshEdgeBreakerEncoderImplInterface() = default;
virtual bool Init(MeshEdgeBreakerEncoder *encoder) = 0;
virtual const MeshAttributeCornerTable *GetAttributeCornerTable(
int att_id) const = 0;
virtual const MeshAttributeIndicesEncodingData *GetAttributeEncodingData(
int att_id) const = 0;
virtual bool GenerateAttributesEncoder(int32_t att_id) = 0;
virtual bool EncodeAttributesEncoderIdentifier(int32_t att_encoder_id) = 0;
virtual bool EncodeConnectivity() = 0;
// Returns corner table of the encoded mesh.
virtual const CornerTable *GetCornerTable() const = 0;
virtual MeshEdgeBreakerEncoder *GetEncoder() const = 0;
};
} // namespace draco
#endif // DRACO_COMPRESSION_MESH_MESH_EDGEBREAKER_ENCODER_IMPL_INTERFACE_H_