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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.
*
*
**************************************************************************/
/*
* Authors:
* Keith Whitwell
*/
#include "swrast_xlib.h"
#include "state_tracker/xlib_sw_winsys.h"
#include "util/u_debug.h"
#include "softpipe/sp_public.h"
#include "llvmpipe/lp_public.h"
#include "identity/id_public.h"
#include "trace/tr_public.h"
#include "cell/ppu/cell_public.h"
/* Helper function to build a subset of a driver stack consisting of
* one of the software rasterizers (cell, llvmpipe, softpipe) and the
* xlib winsys.
*
* This can be called by any target that builds on top of this
* combination.
*/
struct pipe_screen *
swrast_xlib_create_screen( Display *display )
{
struct sw_winsys *winsys;
struct pipe_screen *screen = NULL;
/* Create the underlying winsys, which performs presents to Xlib
* drawables:
*/
winsys = xlib_create_sw_winsys( display );
if (winsys == NULL)
return NULL;
/* Create a software rasterizer on top of that winsys:
*/
#if defined(GALLIUM_CELL)
if (screen == NULL &&
!debug_get_bool_option("GALLIUM_NO_CELL", FALSE))
screen = cell_create_screen( winsys );
#endif
#if defined(GALLIUM_LLVMPIPE)
if (screen == NULL &&
!debug_get_bool_option("GALLIUM_NO_LLVM", FALSE))
screen = llvmpipe_create_screen( winsys );
#endif
if (screen == NULL)
screen = softpipe_create_screen( winsys );
if (screen == NULL)
goto fail;
/* Inject any wrapping layers we want to here:
*/
if (debug_get_bool_option("GALLIUM_WRAP", FALSE)) {
screen = identity_screen_create(screen);
}
if (debug_get_bool_option("GALLIUM_TRACE", FALSE)) {
screen = trace_screen_create( screen );
}
return screen;
fail:
if (winsys)
winsys->destroy( winsys );
return NULL;
}
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