1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
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:
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.
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
27 **************************************************************************/
29 #include "util/u_debug.h"
30 #include "softpipe/sp_public.h"
31 #include "llvmpipe/lp_public.h"
32 #include "state_tracker/sw_winsys.h"
33 #include "sw/null/null_sw_winsys.h"
34 #include "st_winsys.h"
38 st_software_screen_create(const char *driver
)
41 struct pipe_screen
*screen
= NULL
;
44 const char *default_driver
;
46 #if defined(HAVE_LLVMPIPE)
47 default_driver
= "llvmpipe";
48 #elif defined(HAVE_SOFTPIPE)
49 default_driver
= "softpipe";
54 driver
= debug_get_option("GALLIUM_DRIVER", default_driver
);
57 ws
= null_sw_create();
62 if (strcmp(driver
, "llvmpipe") == 0) {
63 screen
= llvmpipe_create_screen(ws
);
68 if (strcmp(driver
, "softpipe") == 0) {
69 screen
= softpipe_create_screen(ws
);