1/*
2 * Copyright (c) 2013  Brian Paul   All Rights Reserved.
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 shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23
24#include "target-helpers/inline_sw_helper.h"
25#include "target-helpers/inline_debug_helper.h"
26
27#include "sw/null/null_sw_winsys.h"
28
29
30struct pipe_screen *
31osmesa_create_screen(void);
32
33
34struct pipe_screen *
35osmesa_create_screen(void)
36{
37   struct sw_winsys *winsys;
38   struct pipe_screen *screen;
39
40   /* We use a null software winsys since we always just render to ordinary
41    * driver resources.
42    */
43   winsys = null_sw_create();
44   if (!winsys)
45      return NULL;
46
47   /* Create llvmpipe or softpipe screen */
48   screen = sw_screen_create(winsys);
49   if (!screen) {
50      winsys->destroy(winsys);
51      return NULL;
52   }
53
54   /* Inject optional trace, debug, etc. wrappers */
55   return debug_screen_wrap(screen);
56}
57