tests/radeon/rbo.h

   1 /*
   2  * Copyright © 2011 Red Hat
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  *
  23  * Authors:
  24  *    Jerome Glisse <j.glisse@gmail.com>
  25  */
  26 #ifndef RBO_H
  27 #define RBO_H
  28
  29 #include "util_double_list.h"
  30
  31 struct rbo {
  32     struct list_head    list;
  33     int                 fd;
  34     unsigned            refcount;
  35     unsigned            mapcount;
  36     unsigned            handle;
  37     unsigned            size;
  38     unsigned            alignment;
  39     void                *data;
  40 };
  41
  42 struct rbo *rbo(int fd, unsigned handle, unsigned size,
  43                 unsigned alignment, void *ptr);
  44 int rbo_map(struct rbo *bo);
  45 void rbo_unmap(struct rbo *bo);
  46 struct rbo *rbo_incref(struct rbo *bo);
  47 struct rbo *rbo_decref(struct rbo *bo);
  48 int rbo_wait(struct rbo *bo);
  49
  50 #endif