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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