src/gallium/winsys/xlib/xlib_softpipe.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  18  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  19  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  20  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * The above copyright notice and this permission notice (including the
  23  * next paragraph) shall be included in all copies or substantial portions
  24  * of the Software.
  25  *
  26  *
  27  **************************************************************************/
  28
  29
  30 #include "xlib.h"
  31 #include "softpipe/sp_texture.h"
  32 #include "softpipe/sp_screen.h"
  33 #include "state_tracker/sw_winsys.h"
  34
  35 static struct pipe_screen *
  36 xlib_create_softpipe_screen( void )
  37 {
  38    struct sw_winsys *winsys;
  39    struct pipe_screen *screen;
  40
  41    winsys = xlib_create_sw_winsys();
  42    if (winsys == NULL)
  43       return NULL;
  44
  45    screen = softpipe_create_screen(winsys);
  46    if (screen == NULL)
  47       goto fail;
  48
  49    return screen;
  50
  51 fail:
  52    if (winsys)
  53       winsys->destroy( winsys );
  54
  55    return NULL;
  56 }
  57
  58
  59 static void
  60 xlib_softpipe_display_surface(struct xmesa_buffer *xm_buffer,
  61                               struct pipe_surface *surf)
  62 {
  63    struct softpipe_texture *texture = softpipe_texture(surf->texture);
  64
  65    assert(texture->dt);
  66    if (texture->dt)
  67       xlib_sw_display(xm_buffer, texture->dt);
  68 }
  69
  70
  71 struct xm_driver xlib_softpipe_driver =
  72 {
  73    .create_pipe_screen = xlib_create_softpipe_screen,
  74    .display_surface = xlib_softpipe_display_surface
  75 };
  76
  77
  78