src/gallium/drivers/ilo/ilo_transfer.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2012-2013 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #ifndef ILO_TRANSFER_H
  29 #define ILO_TRANSFER_H
  30
  31 #include "pipe/p_state.h"
  32
  33 #include "ilo_common.h"
  34
  35 enum ilo_transfer_map_method {
  36    /* map() / map_gtt() / map_unsynchronized() */
  37    ILO_TRANSFER_MAP_CPU,
  38    ILO_TRANSFER_MAP_GTT,
  39    ILO_TRANSFER_MAP_UNSYNC,
  40
  41    /* use staging system buffer */
  42    ILO_TRANSFER_MAP_SW_CONVERT,
  43    ILO_TRANSFER_MAP_SW_ZS,
  44 };
  45
  46 struct ilo_transfer {
  47    struct pipe_transfer base;
  48
  49    enum ilo_transfer_map_method method;
  50    void *ptr;
  51
  52    void *staging_sys;
  53 };
  54
  55 struct ilo_context;
  56
  57 static inline struct ilo_transfer *
  58 ilo_transfer(struct pipe_transfer *transfer)
  59 {
  60    return (struct ilo_transfer *) transfer;
  61 }
  62
  63 void
  64 ilo_init_transfer_functions(struct ilo_context *ilo);
  65
  66 #endif /* ILO_TRANSFER_H */