blender/intern/cycles/subd/subd_patch_table.h

64 lines
1.5 KiB
C
Raw Normal View History

/*
* Copyright 2011-2016 Blender Foundation
*
* 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 __SUBD_PATCH_TABLE_H__
#define __SUBD_PATCH_TABLE_H__
#include "util_types.h"
#include "util_vector.h"
#ifdef WITH_OPENSUBDIV
#ifdef _MSC_VER
# include "iso646.h"
#endif
#include <opensubdiv/far/patchTable.h>
#endif
CCL_NAMESPACE_BEGIN
#ifdef WITH_OPENSUBDIV
using namespace OpenSubdiv;
#else
/* forward declare for when OpenSubdiv is unavailable */
namespace Far { struct PatchTable; }
#endif
#define PATCH_ARRAY_SIZE 4
#define PATCH_PARAM_SIZE 2
#define PATCH_HANDLE_SIZE 3
#define PATCH_NODE_SIZE 1
struct PackedPatchTable {
array<uint> table;
size_t num_arrays;
size_t num_indices;
size_t num_patches;
size_t num_nodes;
/* calculated size from num_* members */
size_t total_size();
void pack(Far::PatchTable* patch_table, int offset = 0);
void copy_adjusting_offsets(uint* dest, int doffset);
};
CCL_NAMESPACE_END
#endif /* __SUBD_PATCH_TABLE_H__ */