src/gallium/winsys/drm/nouveau/nouveau_winsys_softpipe.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2006 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  * Authors: Keith Whitwell <keithw-at-tungstengraphics-dot-com>
  30  */
  31
  32 #include "imports.h"
  33
  34 #include "pipe/p_defines.h"
  35 #include "pipe/p_format.h"
  36 #include "softpipe/sp_winsys.h"
  37
  38 #include "nouveau_context.h"
  39 #include "nouveau_winsys_pipe.h"
  40
  41 struct nouveau_softpipe_winsys {
  42    struct softpipe_winsys sws;
  43    struct nouveau_context *nv;
  44 };
  45
  46 /**
  47  * Return list of surface formats supported by this driver.
  48  */
  49 static boolean
  50 nouveau_is_format_supported(struct softpipe_winsys *sws, uint format)
  51 {
  52         switch (format) {
  53         case PIPE_FORMAT_A8R8G8B8_UNORM:
  54         case PIPE_FORMAT_R5G6B5_UNORM:
  55         case PIPE_FORMAT_Z24S8_UNORM:
  56                 return TRUE;
  57         default:
  58                 break;
  59         };
  60
  61         return FALSE;
  62 }
  63
  64 struct pipe_context *
  65 nouveau_create_softpipe(struct nouveau_context *nv)
  66 {
  67         struct nouveau_softpipe_winsys *nvsws;
  68         struct pipe_screen *pscreen;
  69         struct pipe_winsys *ws;
  70
  71         ws = nouveau_create_pipe_winsys(nv);
  72         if (!ws)
  73                 return NULL;
  74         pscreen = softpipe_create_screen(ws);
  75
  76         nvsws = CALLOC_STRUCT(nouveau_softpipe_winsys);
  77         if (!nvsws)
  78                 return NULL;
  79
  80         nvsws->sws.is_format_supported = nouveau_is_format_supported;
  81         nvsws->nv = nv;
  82
  83         return softpipe_create(pscreen, ws, &nvsws->sws);
  84 }
  85