src/gallium/targets/dri-swrast/swrast_drm_api.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2009, VMware, Inc.
   4  * All Rights Reserved.
   5  * Copyright 2010 George Sapountzis <gsapountzis@gmail.com>
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #include "pipe/p_compiler.h"
  30 #include "util/u_memory.h"
  31 #include "state_tracker/drm_api.h"
  32 #include "state_tracker/sw_winsys.h"
  33 #include "dri_sw_winsys.h"
  34 #include "trace/tr_public.h"
  35
  36 /* Copied from targets/libgl-xlib */
  37
  38 #ifdef GALLIUM_SOFTPIPE
  39 #include "softpipe/sp_public.h"
  40 #endif
  41
  42 #ifdef GALLIUM_LLVMPIPE
  43 #include "llvmpipe/lp_public.h"
  44 #endif
  45
  46 #ifdef GALLIUM_CELL
  47 #include "cell/ppu/cell_public.h"
  48 #endif
  49
  50 static struct pipe_screen *
  51 swrast_create_screen(struct sw_winsys *winsys)
  52 {
  53    const char *default_driver;
  54    const char *driver;
  55    struct pipe_screen *screen = NULL;
  56
  57 #if defined(GALLIUM_CELL)
  58    default_driver = "cell";
  59 #elif defined(GALLIUM_LLVMPIPE)
  60    default_driver = "llvmpipe";
  61 #elif defined(GALLIUM_SOFTPIPE)
  62    default_driver = "softpipe";
  63 #else
  64    default_driver = "";
  65 #endif
  66
  67    driver = debug_get_option("GALLIUM_DRIVER", default_driver);
  68
  69 #if defined(GALLIUM_CELL)
  70    if (screen == NULL && strcmp(driver, "cell") == 0)
  71       screen = cell_create_screen( winsys );
  72 #endif
  73
  74 #if defined(GALLIUM_LLVMPIPE)
  75    if (screen == NULL && strcmp(driver, "llvmpipe") == 0)
  76       screen = llvmpipe_create_screen( winsys );
  77 #endif
  78
  79 #if defined(GALLIUM_SOFTPIPE)
  80    if (screen == NULL)
  81       screen = softpipe_create_screen( winsys );
  82 #endif
  83
  84    return trace_screen_create(screen);;
  85 }
  86
  87 struct pipe_screen *
  88 drisw_create_screen(struct drisw_loader_funcs *lf)
  89 {
  90    struct sw_winsys *winsys = NULL;
  91    struct pipe_screen *screen = NULL;
  92
  93    winsys = dri_create_sw_winsys(lf);
  94    if (winsys == NULL)
  95       return NULL;
  96
  97    screen = swrast_create_screen(winsys);
  98    if (!screen)
  99       goto fail;
 100
 101    return screen;
 102
 103 fail:
 104    if (winsys)
 105       winsys->destroy(winsys);
 106
 107    return NULL;
 108 }
 109
 110 /* vim: set sw=3 ts=8 sts=3 expandtab: */