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
  32 #include "softpipe/sp_public.h"
  33 #include "state_tracker/drm_api.h"
  34 #include "state_tracker/sw_winsys.h"
  35 #include "dri_sw_winsys.h"
  36
  37 static struct pipe_screen *
  38 swrast_create_screen(struct drm_api *api,
  39                      int drmFD,
  40                      struct drm_create_screen_arg *arg)
  41 {
  42    struct sw_winsys *winsys = NULL;
  43    struct pipe_screen *screen = NULL;
  44
  45    (void) drmFD;
  46
  47    if (arg != NULL) {
  48       switch(arg->mode) {
  49       case DRM_CREATE_DRISW:
  50          break;
  51       default:
  52          return NULL;
  53       }
  54    }
  55
  56    winsys = dri_create_sw_winsys();
  57    if (winsys == NULL)
  58       return NULL;
  59
  60    screen = softpipe_create_screen( winsys );
  61    if (screen == NULL)
  62       goto fail;
  63
  64    return screen;
  65
  66 fail:
  67    if (winsys)
  68       winsys->destroy( winsys );
  69
  70    return NULL;
  71 }
  72
  73 static void
  74 swrast_drm_api_destroy(struct drm_api *api)
  75 {
  76    return;
  77 }
  78
  79 static struct drm_api swrast_drm_api =
  80 {
  81    .name = "swrast",
  82    .driver_name = "swrast",
  83    .create_screen = swrast_create_screen,
  84    .destroy = swrast_drm_api_destroy,
  85 };
  86
  87 struct drm_api *
  88 drm_api_create()
  89 {
  90    return &swrast_drm_api;
  91 }
  92
  93 /* vim: set sw=3 ts=8 sts=3 expandtab: */