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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
#ifndef __SUBD_PATCH_TABLE_H__
#define __SUBD_PATCH_TABLE_H__
#include "util/array.h"
#include "util/types.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__ */
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