1 /**************************************************************************
2 *
3 * Copyright 2007 VMware, Inc., Bismarck, ND., USA
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
24 * of the Software.
25 *
26 *
27 **************************************************************************/
28
29 /*
30 * Authors:
31 * Keith Whitwell
32 */
33 #include "util/compiler.h"
34 #include "util/u_debug.h"
35 #include "sw/xlib/xlib_sw_winsys.h"
36
37 #include "target-helpers/inline_sw_helper.h"
38 #include "target-helpers/inline_debug_helper.h"
39
40
41
42 /* Helper function to build a subset of a driver stack consisting of
43 * one of the software rasterizers (llvmpipe, softpipe) and the
44 * xlib winsys.
45 */
46 struct pipe_screen *
47 xlib_create_screen( Display *display );
48
49 struct pipe_screen *
xlib_create_screen(Display * display)50 xlib_create_screen( Display *display )
51 {
52 struct sw_winsys *winsys;
53 struct pipe_screen *screen = NULL;
54
55 /* Create the underlying winsys, which performs presents to Xlib
56 * drawables:
57 */
58 winsys = xlib_create_sw_winsys( display );
59 if (winsys == NULL)
60 return NULL;
61
62 /* Create a software rasterizer on top of that winsys:
63 */
64 screen = sw_screen_create( winsys );
65 if (screen == NULL)
66 goto fail;
67
68 /* Inject any wrapping layers we want to here:
69 */
70 return debug_screen_wrap( screen );
71
72 fail:
73 if (winsys)
74 winsys->destroy( winsys );
75
76 return NULL;
77 }
78
79