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  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.         gl_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
  59.