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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*
**************************************************************************/
#include "util/u_debug.h"
#include "softpipe/sp_public.h"
#include "llvmpipe/lp_public.h"
#include "state_tracker/sw_winsys.h"
#include "sw/null/null_sw_winsys.h"
#include "st_winsys.h"
struct pipe_screen *
st_software_screen_create(const char *driver)
{
struct sw_winsys *ws;
struct pipe_screen *screen = NULL;
if (!driver) {
const char *default_driver;
#if defined(HAVE_LLVMPIPE)
default_driver = "llvmpipe";
#elif defined(HAVE_SOFTPIPE)
default_driver = "softpipe";
#else
default_driver = "";
#endif
driver = debug_get_option("GALLIUM_DRIVER", default_driver);
}
ws = null_sw_create();
if(!ws)
return NULL;
#ifdef HAVE_LLVMPIPE
if (strcmp(driver, "llvmpipe") == 0) {
screen = llvmpipe_create_screen(ws);
}
#endif
#ifdef HAVE_SOFTPIPE
if (strcmp(driver, "softpipe") == 0) {
screen = softpipe_create_screen(ws);
}
#endif
if (!screen) {
ws->destroy(ws);
}
return screen;
}
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