src/gallium/state_trackers/vega/api.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2010 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 #include "mapi.h"
  29
  30 /* define vega_spec and vega_procs for use with mapi */
  31 #define API_TMP_DEFINE_SPEC
  32 #include "api.h"
  33
  34 static void api_init(void)
  35 {
  36    static boolean initialized = FALSE;
  37    if (!initialized) {
  38       mapi_init(vega_spec);
  39       initialized = TRUE;
  40    }
  41 }
  42
  43 struct mapi_table *api_create_dispatch(void)
  44 {
  45    struct mapi_table *tbl;
  46
  47    api_init();
  48
  49    tbl = mapi_table_create();
  50    if (tbl)
  51       mapi_table_fill(tbl, vega_procs);
  52
  53    return tbl;
  54 }
  55
  56 void api_destroy_dispatch(struct mapi_table *tbl)
  57 {
  58    mapi_table_destroy(tbl);
  59 }
  60
  61 void api_make_dispatch_current(const struct mapi_table *tbl)
  62 {
  63    mapi_table_make_current(tbl);
  64 }
  65
  66 mapi_proc api_get_proc_address(const char *proc_name)
  67 {
  68    if (!proc_name || proc_name[0] != 'v' || proc_name[1] != 'g')
  69       return NULL;
  70    proc_name += 2;
  71
  72    api_init();
  73    return mapi_get_proc_address(proc_name);
  74 }