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_CONTEXT_H__
28#define __NOUVEAU_CONTEXT_H__
29
30#include "nouveau_screen.h"
31#include "nouveau_state.h"
32#include "nouveau_scratch.h"
33#include "nouveau_render.h"
34
35#include "main/bitset.h"
36
37enum nouveau_fallback {
38	HWTNL = 0,
39	SWTNL,
40	SWRAST,
41};
42
43#define BUFCTX_FB      0
44#define BUFCTX_VTX     1
45#define BUFCTX_TEX(i) (2 + (i))
46
47struct nouveau_hw_state {
48	struct nouveau_object *chan;
49	struct nouveau_client *client;
50	struct nouveau_pushbuf *pushbuf;
51	struct nouveau_bufctx *bufctx;
52
53	struct nouveau_object *null;
54	struct nouveau_object *ntfy;
55	struct nouveau_object *eng3d;
56	struct nouveau_object *eng3dm;
57	struct nouveau_object *surf3d;
58	struct nouveau_object *m2mf;
59	struct nouveau_object *surf2d;
60	struct nouveau_object *rop;
61	struct nouveau_object *patt;
62	struct nouveau_object *rect;
63	struct nouveau_object *swzsurf;
64	struct nouveau_object *sifm;
65};
66
67struct nouveau_context {
68	struct gl_context base;
69	__DRIcontext *dri_context;
70	struct nouveau_screen *screen;
71
72	BITSET_DECLARE(dirty, MAX_NOUVEAU_STATE);
73	enum nouveau_fallback fallback;
74
75	struct nouveau_bo *fence;
76
77	struct nouveau_hw_state hw;
78	struct nouveau_render_state render;
79	struct nouveau_scratch_state scratch;
80
81	struct {
82		GLboolean clear_blocked;
83		int clear_seq;
84	} hierz;
85};
86
87#define to_nouveau_context(ctx)	((struct nouveau_context *)(ctx))
88
89#define context_dev(ctx) \
90	(to_nouveau_context(ctx)->screen->device)
91#define context_chipset(ctx) \
92	(context_dev(ctx)->chipset)
93#define context_chan(ctx) \
94	(to_nouveau_context(ctx)->hw.chan)
95#define context_client(ctx) \
96	(to_nouveau_context(ctx)->hw.client)
97#define context_push(ctx) \
98	(to_nouveau_context(ctx)->hw.pushbuf)
99#define context_eng3d(ctx) \
100	(to_nouveau_context(ctx)->hw.eng3d)
101#define context_drv(ctx) \
102	(to_nouveau_context(ctx)->screen->driver)
103#define context_dirty(ctx, s) \
104	BITSET_SET(to_nouveau_context(ctx)->dirty, NOUVEAU_STATE_##s)
105#define context_dirty_i(ctx, s, i) \
106	BITSET_SET(to_nouveau_context(ctx)->dirty, NOUVEAU_STATE_##s##0 + i)
107#define context_emit(ctx, s) \
108	context_drv(ctx)->emit[NOUVEAU_STATE_##s](ctx, NOUVEAU_STATE_##s)
109
110GLboolean
111nouveau_context_create(gl_api api,
112		       const struct gl_config *visual, __DRIcontext *dri_ctx,
113		       unsigned major_version, unsigned minor_version,
114		       uint32_t flags, unsigned *error, void *share_ctx);
115
116GLboolean
117nouveau_context_init(struct gl_context *ctx, struct nouveau_screen *screen,
118		     const struct gl_config *visual, struct gl_context *share_ctx);
119
120void
121nouveau_context_deinit(struct gl_context *ctx);
122
123void
124nouveau_context_destroy(__DRIcontext *dri_ctx);
125
126void
127nouveau_update_renderbuffers(__DRIcontext *dri_ctx, __DRIdrawable *draw);
128
129GLboolean
130nouveau_context_make_current(__DRIcontext *dri_ctx, __DRIdrawable *ddraw,
131			     __DRIdrawable *rdraw);
132
133GLboolean
134nouveau_context_unbind(__DRIcontext *dri_ctx);
135
136void
137nouveau_fallback(struct gl_context *ctx, enum nouveau_fallback mode);
138
139void
140nouveau_validate_framebuffer(struct gl_context *ctx);
141
142#endif
143
144