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  1. /*
  2.  * Copyright (C) 2009-2010 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_ARRAY_H__
  28. #define __NOUVEAU_ARRAY_H__
  29.  
  30. struct nouveau_array;
  31.  
  32. typedef unsigned (*extract_u_t)(struct nouveau_array *, int, int);
  33. typedef float (*extract_f_t)(struct nouveau_array *, int, int);
  34.  
  35. struct nouveau_array {
  36.         int attr;
  37.         int stride, fields, type;
  38.  
  39.         struct nouveau_bo *bo;
  40.         unsigned offset;
  41.         const void *buf;
  42.  
  43.         extract_u_t extract_u;
  44.         extract_f_t extract_f;
  45. };
  46.  
  47. void
  48. nouveau_init_array(struct nouveau_array *a, int attr, int stride,
  49.                    int fields, int type, struct gl_buffer_object *obj,
  50.                    const void *ptr, GLboolean map, struct gl_context *ctx);
  51.  
  52. void
  53. nouveau_deinit_array(struct nouveau_array *a);
  54.  
  55. void
  56. nouveau_cleanup_array(struct nouveau_array *a);
  57.  
  58. #endif
  59.