diff options
Diffstat (limited to 'intern/cycles/subd/patch_table.h')
-rw-r--r-- | intern/cycles/subd/patch_table.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/intern/cycles/subd/patch_table.h b/intern/cycles/subd/patch_table.h new file mode 100644 index 00000000000..b5fd5923f31 --- /dev/null +++ b/intern/cycles/subd/patch_table.h @@ -0,0 +1,64 @@ +/* + * 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/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__ */ |