| /************************************************************************** |
| * |
| * 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 "null/null_sw_winsys.h" |
| #include "st_winsys.h" |
| |
| |
| struct pipe_screen * |
| st_software_screen_create(void) |
| { |
| struct sw_winsys *ws; |
| const char *default_driver; |
| const char *driver; |
| struct pipe_screen *screen = NULL; |
| |
| #if defined(HAVE_LLVMPIPE) |
| default_driver = "llvmpipe"; |
| #elif defined(HAVE_SOFTPIPE) |
| default_driver = "softpipe"; |
| #endif |
| |
| ws = null_sw_create(); |
| if(!ws) |
| return NULL; |
| |
| driver = debug_get_option("GALLIUM_DRIVER", default_driver); |
| |
| #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 |
| |
| return screen; |
| } |