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1 /*
2  * Copyright 2012 Red Hat Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20  * SOFTWARE.
21  *
22  * Authors: Ben Skeggs
23  *
24  */
25 
26 #include "draw/draw_context.h"
27 
28 #include "nouveau/nv_object.xml.h"
29 #include "nv30-40_3d.xml.h"
30 
31 #include "nouveau/nouveau_fence.h"
32 #include "nv30_context.h"
33 #include "nv30_transfer.h"
34 #include "nv30_state.h"
35 
36 static void
nv30_context_kick_notify(struct nouveau_pushbuf * push)37 nv30_context_kick_notify(struct nouveau_pushbuf *push)
38 {
39    struct nouveau_screen *screen;
40    struct nv30_context *nv30;
41 
42    if (!push->user_priv)
43       return;
44    nv30 = container_of(push->user_priv, nv30, bufctx);
45    screen = &nv30->screen->base;
46 
47    nouveau_fence_next(screen);
48    nouveau_fence_update(screen, TRUE);
49 
50    if (push->bufctx) {
51       struct nouveau_bufref *bref;
52       LIST_FOR_EACH_ENTRY(bref, &push->bufctx->current, thead) {
53          struct nv04_resource *res = bref->priv;
54          if (res && res->mm) {
55             nouveau_fence_ref(screen->fence.current, &res->fence);
56 
57             if (bref->flags & NOUVEAU_BO_RD)
58                res->status |= NOUVEAU_BUFFER_STATUS_GPU_READING;
59 
60             if (bref->flags & NOUVEAU_BO_WR) {
61                nouveau_fence_ref(screen->fence.current, &res->fence_wr);
62                res->status |= NOUVEAU_BUFFER_STATUS_GPU_WRITING;
63             }
64          }
65       }
66    }
67 }
68 
69 static void
nv30_context_flush(struct pipe_context * pipe,struct pipe_fence_handle ** fence)70 nv30_context_flush(struct pipe_context *pipe, struct pipe_fence_handle **fence)
71 {
72    struct nv30_context *nv30 = nv30_context(pipe);
73    struct nouveau_pushbuf *push = nv30->base.pushbuf;
74 
75    if (fence)
76       nouveau_fence_ref(nv30->screen->base.fence.current,
77                         (struct nouveau_fence **)fence);
78 
79    PUSH_KICK(push);
80 }
81 
82 static void
nv30_context_destroy(struct pipe_context * pipe)83 nv30_context_destroy(struct pipe_context *pipe)
84 {
85    struct nv30_context *nv30 = nv30_context(pipe);
86 
87    if (nv30->draw)
88       draw_destroy(nv30->draw);
89 
90    nouveau_bufctx_del(&nv30->bufctx);
91 
92    if (nv30->screen->cur_ctx == nv30)
93       nv30->screen->cur_ctx = NULL;
94 
95    nouveau_context_destroy(&nv30->base);
96 }
97 
98 #define FAIL_CONTEXT_INIT(str, err)                   \
99    do {                                               \
100       NOUVEAU_ERR(str, err);                          \
101       nv30_context_destroy(pipe);                     \
102       return NULL;                                    \
103    } while(0)
104 
105 struct pipe_context *
nv30_context_create(struct pipe_screen * pscreen,void * priv)106 nv30_context_create(struct pipe_screen *pscreen, void *priv)
107 {
108    struct nv30_screen *screen = nv30_screen(pscreen);
109    struct nv30_context *nv30 = CALLOC_STRUCT(nv30_context);
110    struct nouveau_pushbuf *push;
111    struct pipe_context *pipe;
112    int ret;
113 
114    if (!nv30)
115       return NULL;
116 
117    nv30->screen = screen;
118    nv30->base.screen = &screen->base;
119    nv30->base.copy_data = nv30_transfer_copy_data;
120 
121    pipe = &nv30->base.pipe;
122    pipe->screen = pscreen;
123    pipe->priv = priv;
124    pipe->destroy = nv30_context_destroy;
125    pipe->flush = nv30_context_flush;
126 
127    /*XXX: *cough* per-context client */
128    nv30->base.client = screen->base.client;
129 
130    /*XXX: *cough* per-context pushbufs */
131    push = screen->base.pushbuf;
132    nv30->base.pushbuf = push;
133    nv30->base.pushbuf->user_priv = push->user_priv; /* hack at validate time */
134    nv30->base.pushbuf->rsvd_kick = 16; /* hack in screen before first space */
135    nv30->base.pushbuf->kick_notify = nv30_context_kick_notify;
136 
137    ret = nouveau_bufctx_new(nv30->base.client, 64, &nv30->bufctx);
138    if (ret) {
139       nv30_context_destroy(pipe);
140       return NULL;
141    }
142 
143    /*XXX: make configurable with performance vs quality, these defaults
144     *     match the binary driver's defaults
145     */
146    if (screen->eng3d->oclass < NV40_3D_CLASS)
147       nv30->config.filter = 0x00000004;
148    else
149       nv30->config.filter = 0x00002dc4;
150 
151    nv30->config.aniso = NV40_3D_TEX_WRAP_ANISO_MIP_FILTER_OPTIMIZATION_OFF;
152 
153    if (debug_get_bool_option("NV30_SWTNL", FALSE))
154       nv30->draw_flags |= NV30_NEW_SWTNL;
155 
156    /*XXX: nvfx... */
157    nv30->is_nv4x = (screen->eng3d->oclass >= NV40_3D_CLASS) ? ~0 : 0;
158    nv30->use_nv4x = (screen->eng3d->oclass >= NV40_3D_CLASS) ? ~0 : 0;
159    nv30->render_mode = HW;
160 
161    nv30->sample_mask = 0xffff;
162    nv30_vbo_init(pipe);
163    nv30_query_init(pipe);
164    nv30_state_init(pipe);
165    nv30_resource_init(pipe);
166    nv30_clear_init(pipe);
167    nv30_fragprog_init(pipe);
168    nv30_vertprog_init(pipe);
169    nv30_texture_init(pipe);
170    nv30_fragtex_init(pipe);
171    nv40_verttex_init(pipe);
172    nv30_draw_init(pipe);
173 
174    return pipe;
175 }
176