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_RENDER_H__
28#define __NOUVEAU_RENDER_H__
29
30#include "vbo/vbo_context.h"
31#include "nouveau_array.h"
32
33typedef void (*dispatch_t)(struct gl_context *, unsigned int, int, unsigned int);
34typedef void (*emit_t)(struct gl_context *, struct nouveau_array *, const void *);
35
36struct nouveau_attr_info {
37	int vbo_index;
38	int imm_method;
39	int imm_fields;
40
41	emit_t emit;
42};
43
44struct nouveau_swtnl_state {
45	struct nouveau_bo *vbo;
46	unsigned offset;
47	void *buf;
48	unsigned vertex_count;
49	GLenum primitive;
50};
51
52struct nouveau_render_state {
53	enum {
54		VBO,
55		IMM
56	} mode;
57
58	struct nouveau_array ib;
59	struct nouveau_array attrs[VERT_ATTRIB_MAX];
60
61	/* Maps a HW VBO index or IMM emission order to an index in
62	 * the attrs array above (or -1 if unused). */
63	int map[VERT_ATTRIB_MAX];
64
65	int attr_count;
66	int vertex_size;
67
68	struct nouveau_swtnl_state swtnl;
69};
70
71#define to_render_state(ctx) (&to_nouveau_context(ctx)->render)
72
73#define FOR_EACH_ATTR(render, i, attr)					\
74	for (i = 0; attr = (render)->map[i], i < NUM_VERTEX_ATTRS; i++)
75
76#define FOR_EACH_BOUND_ATTR(render, i, attr)				\
77	for (i = 0; attr = (render)->map[i], i < render->attr_count; i++) \
78		if (attr >= 0)
79
80#endif
81