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

   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