src/mesa/drivers/dri/nouveau/nouveau_surface.h

   1 /*
   2  * Copyright (C) 2009 Francisco Jerez.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining
   6  * a copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sublicense, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial
  15  * portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #ifndef __NOUVEAU_SURFACE_H__
  28 #define __NOUVEAU_SURFACE_H__
  29
  30 enum nouveau_surface_layout {
  31         LINEAR = 0,
  32         TILED,
  33         SWIZZLED,
  34 };
  35
  36 struct nouveau_surface {
  37         struct nouveau_bo *bo;
  38         unsigned offset;
  39
  40         enum nouveau_surface_layout layout;
  41
  42         mesa_format format;
  43         unsigned cpp, pitch;
  44
  45         unsigned width, height;
  46 };
  47
  48 void
  49 nouveau_surface_alloc(struct gl_context *ctx, struct nouveau_surface *s,
  50                       enum nouveau_surface_layout layout,
  51                       unsigned flags, unsigned format,
  52                       unsigned width, unsigned height);
  53
  54 void
  55 nouveau_surface_ref(struct nouveau_surface *src,
  56                     struct nouveau_surface *dst);
  57
  58 #endif