src/gallium/winsys/drm/radeon/core/radeon_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 "radeon_winsys_softpipe.h"
  33
  34 struct radeon_softpipe_winsys {
  35     struct softpipe_winsys  sp_winsys;
  36     struct radeon_context      *radeon_context;
  37 };
  38
  39 /**
  40  * Return list of surface formats supported by this driver.
  41  */
  42 static boolean radeon_is_format_supported(struct softpipe_winsys *sws, uint format)
  43 {
  44     switch (format) {
  45     case PIPE_FORMAT_A8R8G8B8_UNORM:
  46     case PIPE_FORMAT_R5G6B5_UNORM:
  47     case PIPE_FORMAT_Z24S8_UNORM:
  48         return TRUE;
  49     default:
  50         break;
  51     };
  52     return FALSE;
  53 }
  54
  55 struct pipe_context *radeon_create_softpipe(struct pipe_winsys* winsys)
  56 {
  57     struct softpipe_winsys *sp_winsys;
  58     struct pipe_screen *pipe_screen;
  59
  60     pipe_screen = softpipe_create_screen(winsys);
  61
  62     sp_winsys = CALLOC_STRUCT(softpipe_winsys);
  63     if (sp_winsys == NULL) {
  64         return NULL;
  65     }
  66
  67     sp_winsys->is_format_supported = radeon_is_format_supported;
  68     return softpipe_create(pipe_screen,
  69                            winsys,
  70                            sp_winsys);
  71 }