src/gallium/auxiliary/util/u_suballoc.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * Copyright 2012 Marek Olšák <maraeo@gmail.com>
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL THE AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 /* A simple allocator that suballocates memory from a large buffer. */
  30
  31 #ifndef U_SUBALLOC
  32 #define U_SUBALLOC
  33
  34 struct u_suballocator;
  35
  36 struct u_suballocator *
  37 u_suballocator_create(struct pipe_context *pipe, unsigned size,
  38                       unsigned alignment, unsigned bind, unsigned usage,
  39                       boolean zero_buffer_memory);
  40
  41 void
  42 u_suballocator_destroy(struct u_suballocator *allocator);
  43
  44 void
  45 u_suballocator_alloc(struct u_suballocator *allocator, unsigned size,
  46                      unsigned *out_offset, struct pipe_resource **outbuf);
  47
  48 #endif