src/gallium/state_trackers/vega/api.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  7.9
   4  *
   5  * Copyright (C) 2010 LunarG Inc.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *    Chia-I Wu <olv@lunarg.com>
  27  */
  28
  29 #include "mapi/mapi.h"
  30
  31 /* define vega_spec and vega_procs for use with mapi */
  32 #define API_TMP_DEFINE_SPEC
  33 #include "api.h"
  34
  35 static void api_init(void)
  36 {
  37    static boolean initialized = FALSE;
  38    if (!initialized) {
  39       mapi_init(vega_spec);
  40       initialized = TRUE;
  41    }
  42 }
  43
  44 struct mapi_table *api_create_dispatch(void)
  45 {
  46    struct mapi_table *tbl;
  47
  48    api_init();
  49
  50    tbl = mapi_table_create();
  51    if (tbl)
  52       mapi_table_fill(tbl, vega_procs);
  53
  54    return tbl;
  55 }
  56
  57 void api_destroy_dispatch(struct mapi_table *tbl)
  58 {
  59    mapi_table_destroy(tbl);
  60 }
  61
  62 void api_make_dispatch_current(const struct mapi_table *tbl)
  63 {
  64    mapi_table_make_current(tbl);
  65 }
  66
  67 mapi_proc api_get_proc_address(const char *proc_name)
  68 {
  69    if (!proc_name || proc_name[0] != 'v' || proc_name[1] != 'g')
  70       return NULL;
  71    proc_name += 2;
  72
  73    api_init();
  74    return mapi_get_proc_address(proc_name);
  75 }