1 /*
2 * Copyright 2010 Christoph Bumiller
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
23 #include "pipe/p_defines.h"
24 #include "util/u_framebuffer.h"
25
26 #ifdef NVC0_WITH_DRAW_MODULE
27 #include "draw/draw_context.h"
28 #endif
29
30 #include "nvc0_context.h"
31 #include "nvc0_screen.h"
32 #include "nvc0_resource.h"
33
34 static void
nvc0_flush(struct pipe_context * pipe,struct pipe_fence_handle ** fence)35 nvc0_flush(struct pipe_context *pipe,
36 struct pipe_fence_handle **fence)
37 {
38 struct nvc0_context *nvc0 = nvc0_context(pipe);
39 struct nouveau_screen *screen = &nvc0->screen->base;
40
41 if (fence)
42 nouveau_fence_ref(screen->fence.current, (struct nouveau_fence **)fence);
43
44 PUSH_KICK(nvc0->base.pushbuf); /* fencing handled in kick_notify */
45 }
46
47 static void
nvc0_texture_barrier(struct pipe_context * pipe)48 nvc0_texture_barrier(struct pipe_context *pipe)
49 {
50 struct nouveau_pushbuf *push = nvc0_context(pipe)->base.pushbuf;
51
52 IMMED_NVC0(push, NVC0_3D(SERIALIZE), 0);
53 IMMED_NVC0(push, NVC0_3D(TEX_CACHE_CTL), 0);
54 }
55
56 static void
nvc0_context_unreference_resources(struct nvc0_context * nvc0)57 nvc0_context_unreference_resources(struct nvc0_context *nvc0)
58 {
59 unsigned s, i;
60
61 nouveau_bufctx_del(&nvc0->bufctx_3d);
62 nouveau_bufctx_del(&nvc0->bufctx);
63
64 util_unreference_framebuffer_state(&nvc0->framebuffer);
65
66 for (i = 0; i < nvc0->num_vtxbufs; ++i)
67 pipe_resource_reference(&nvc0->vtxbuf[i].buffer, NULL);
68
69 pipe_resource_reference(&nvc0->idxbuf.buffer, NULL);
70
71 for (s = 0; s < 5; ++s) {
72 for (i = 0; i < nvc0->num_textures[s]; ++i)
73 pipe_sampler_view_reference(&nvc0->textures[s][i], NULL);
74
75 for (i = 0; i < NVC0_MAX_PIPE_CONSTBUFS; ++i)
76 if (!nvc0->constbuf[s][i].user)
77 pipe_resource_reference(&nvc0->constbuf[s][i].u.buf, NULL);
78 }
79
80 for (i = 0; i < nvc0->num_tfbbufs; ++i)
81 pipe_so_target_reference(&nvc0->tfbbuf[i], NULL);
82 }
83
84 static void
nvc0_destroy(struct pipe_context * pipe)85 nvc0_destroy(struct pipe_context *pipe)
86 {
87 struct nvc0_context *nvc0 = nvc0_context(pipe);
88
89 if (nvc0->screen->cur_ctx == nvc0) {
90 nvc0->base.pushbuf->kick_notify = NULL;
91 nvc0->screen->cur_ctx = NULL;
92 nouveau_pushbuf_bufctx(nvc0->base.pushbuf, NULL);
93 }
94 nouveau_pushbuf_kick(nvc0->base.pushbuf, nvc0->base.pushbuf->channel);
95
96 nvc0_context_unreference_resources(nvc0);
97
98 #ifdef NVC0_WITH_DRAW_MODULE
99 draw_destroy(nvc0->draw);
100 #endif
101
102 nouveau_context_destroy(&nvc0->base);
103 }
104
105 void
nvc0_default_kick_notify(struct nouveau_pushbuf * push)106 nvc0_default_kick_notify(struct nouveau_pushbuf *push)
107 {
108 struct nvc0_screen *screen = push->user_priv;
109
110 if (screen) {
111 nouveau_fence_next(&screen->base);
112 nouveau_fence_update(&screen->base, TRUE);
113 if (screen->cur_ctx)
114 screen->cur_ctx->state.flushed = TRUE;
115 }
116 }
117
118 struct pipe_context *
nvc0_create(struct pipe_screen * pscreen,void * priv)119 nvc0_create(struct pipe_screen *pscreen, void *priv)
120 {
121 struct nvc0_screen *screen = nvc0_screen(pscreen);
122 struct nvc0_context *nvc0;
123 struct pipe_context *pipe;
124 int ret;
125 uint32_t flags;
126
127 nvc0 = CALLOC_STRUCT(nvc0_context);
128 if (!nvc0)
129 return NULL;
130 pipe = &nvc0->base.pipe;
131
132 nvc0->base.pushbuf = screen->base.pushbuf;
133
134 ret = nouveau_bufctx_new(screen->base.client, NVC0_BIND_COUNT,
135 &nvc0->bufctx_3d);
136 if (!ret)
137 nouveau_bufctx_new(screen->base.client, 2, &nvc0->bufctx);
138 if (ret)
139 goto out_err;
140
141 nvc0->screen = screen;
142 nvc0->base.screen = &screen->base;
143
144 pipe->screen = pscreen;
145 pipe->priv = priv;
146
147 pipe->destroy = nvc0_destroy;
148
149 pipe->draw_vbo = nvc0_draw_vbo;
150 pipe->clear = nvc0_clear;
151
152 pipe->flush = nvc0_flush;
153 pipe->texture_barrier = nvc0_texture_barrier;
154
155 if (!screen->cur_ctx) {
156 screen->cur_ctx = nvc0;
157 nouveau_pushbuf_bufctx(screen->base.pushbuf, nvc0->bufctx);
158 }
159 screen->base.pushbuf->kick_notify = nvc0_default_kick_notify;
160
161 nvc0_init_query_functions(nvc0);
162 nvc0_init_surface_functions(nvc0);
163 nvc0_init_state_functions(nvc0);
164 nvc0_init_transfer_functions(nvc0);
165 nvc0_init_resource_functions(pipe);
166
167 #ifdef NVC0_WITH_DRAW_MODULE
168 /* no software fallbacks implemented */
169 nvc0->draw = draw_create(pipe);
170 assert(nvc0->draw);
171 draw_set_rasterize_stage(nvc0->draw, nvc0_draw_render_stage(nvc0));
172 #endif
173
174 nouveau_context_init_vdec(&nvc0->base);
175
176 /* shader builtin library is per-screen, but we need a context for m2mf */
177 nvc0_program_library_upload(nvc0);
178
179 /* add permanently resident buffers to bufctxts */
180
181 flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_RD;
182
183 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->text);
184 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->uniform_bo);
185 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->txc);
186 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->poly_cache);
187
188 flags = NOUVEAU_BO_GART | NOUVEAU_BO_WR;
189
190 BCTX_REFN_bo(nvc0->bufctx_3d, SCREEN, flags, screen->fence.bo);
191 BCTX_REFN_bo(nvc0->bufctx, FENCE, flags, screen->fence.bo);
192
193 nvc0->base.scratch.bo_size = 2 << 20;
194
195 return pipe;
196
197 out_err:
198 if (nvc0) {
199 if (nvc0->bufctx_3d)
200 nouveau_bufctx_del(&nvc0->bufctx_3d);
201 if (nvc0->bufctx)
202 nouveau_bufctx_del(&nvc0->bufctx);
203 FREE(nvc0);
204 }
205 return NULL;
206 }
207
208 void
nvc0_bufctx_fence(struct nvc0_context * nvc0,struct nouveau_bufctx * bufctx,boolean on_flush)209 nvc0_bufctx_fence(struct nvc0_context *nvc0, struct nouveau_bufctx *bufctx,
210 boolean on_flush)
211 {
212 struct nouveau_list *list = on_flush ? &bufctx->current : &bufctx->pending;
213 struct nouveau_list *it;
214
215 for (it = list->next; it != list; it = it->next) {
216 struct nouveau_bufref *ref = (struct nouveau_bufref *)it;
217 struct nv04_resource *res = ref->priv;
218 if (res)
219 nvc0_resource_validate(res, (unsigned)ref->priv_data);
220 }
221 }
222