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Diffstat (limited to 'intern/cycles/util/util_memarena.h')
-rw-r--r-- | intern/cycles/util/util_memarena.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/intern/cycles/util/util_memarena.h b/intern/cycles/util/util_memarena.h new file mode 100644 index 00000000000..3b4b761509e --- /dev/null +++ b/intern/cycles/util/util_memarena.h @@ -0,0 +1,48 @@ +/* + * Copyright 2011, Blender Foundation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __UTIL_MEMARENA_H__ +#define __UTIL_MEMARENA_H__ + +#include <stdlib.h> + +#include "util_list.h" +#include "util_types.h" + +CCL_NAMESPACE_BEGIN + +class MemArena { +public: + MemArena(bool use_calloc = true, size_t buffer_size = (1<<14)); + ~MemArena(); + + void *alloc(size_t size); + +protected: + bool use_calloc; + size_t buffer_size; + + list<uint8_t*> buffers; + uint8_t *last_buffer; + size_t last_left; +}; + +CCL_NAMESPACE_END + +#endif /* __UTIL_MEMARENA_H__ */ + |