1 /*
2 * Copyright © 2014 Broadcom
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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include <xf86drm.h>
25 #include <err.h>
26
27 #include "pipe/p_defines.h"
28 #include "util/ralloc.h"
29 #include "util/u_inlines.h"
30 #include "util/u_memory.h"
31 #include "util/u_blitter.h"
32 #include "util/u_upload_mgr.h"
33 #include "indices/u_primconvert.h"
34 #include "pipe/p_screen.h"
35
36 #include "vc4_screen.h"
37 #include "vc4_context.h"
38 #include "vc4_resource.h"
39
40 void
vc4_flush(struct pipe_context * pctx)41 vc4_flush(struct pipe_context *pctx)
42 {
43 struct vc4_context *vc4 = vc4_context(pctx);
44
45 struct hash_entry *entry;
46 hash_table_foreach(vc4->jobs, entry) {
47 struct vc4_job *job = entry->data;
48 vc4_job_submit(vc4, job);
49 }
50 }
51
52 static void
vc4_pipe_flush(struct pipe_context * pctx,struct pipe_fence_handle ** fence,unsigned flags)53 vc4_pipe_flush(struct pipe_context *pctx, struct pipe_fence_handle **fence,
54 unsigned flags)
55 {
56 struct vc4_context *vc4 = vc4_context(pctx);
57
58 vc4_flush(pctx);
59
60 if (fence) {
61 struct pipe_screen *screen = pctx->screen;
62 struct vc4_fence *f = vc4_fence_create(vc4->screen,
63 vc4->last_emit_seqno);
64 screen->fence_reference(screen, fence, NULL);
65 *fence = (struct pipe_fence_handle *)f;
66 }
67 }
68
69 static void
vc4_invalidate_resource(struct pipe_context * pctx,struct pipe_resource * prsc)70 vc4_invalidate_resource(struct pipe_context *pctx, struct pipe_resource *prsc)
71 {
72 struct vc4_context *vc4 = vc4_context(pctx);
73 struct vc4_resource *rsc = vc4_resource(prsc);
74
75 rsc->initialized_buffers = 0;
76
77 struct hash_entry *entry = _mesa_hash_table_search(vc4->write_jobs,
78 prsc);
79 if (!entry)
80 return;
81
82 struct vc4_job *job = entry->data;
83 if (job->key.zsbuf && job->key.zsbuf->texture == prsc)
84 job->resolve &= ~(PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL);
85 }
86
87 static void
vc4_context_destroy(struct pipe_context * pctx)88 vc4_context_destroy(struct pipe_context *pctx)
89 {
90 struct vc4_context *vc4 = vc4_context(pctx);
91
92 vc4_flush(pctx);
93
94 if (vc4->blitter)
95 util_blitter_destroy(vc4->blitter);
96
97 if (vc4->primconvert)
98 util_primconvert_destroy(vc4->primconvert);
99
100 if (vc4->uploader)
101 u_upload_destroy(vc4->uploader);
102
103 slab_destroy_child(&vc4->transfer_pool);
104
105 pipe_surface_reference(&vc4->framebuffer.cbufs[0], NULL);
106 pipe_surface_reference(&vc4->framebuffer.zsbuf, NULL);
107
108 vc4_program_fini(pctx);
109
110 ralloc_free(vc4);
111 }
112
113 struct pipe_context *
vc4_context_create(struct pipe_screen * pscreen,void * priv,unsigned flags)114 vc4_context_create(struct pipe_screen *pscreen, void *priv, unsigned flags)
115 {
116 struct vc4_screen *screen = vc4_screen(pscreen);
117 struct vc4_context *vc4;
118
119 /* Prevent dumping of the shaders built during context setup. */
120 uint32_t saved_shaderdb_flag = vc4_debug & VC4_DEBUG_SHADERDB;
121 vc4_debug &= ~VC4_DEBUG_SHADERDB;
122
123 vc4 = rzalloc(NULL, struct vc4_context);
124 if (!vc4)
125 return NULL;
126 struct pipe_context *pctx = &vc4->base;
127
128 vc4->screen = screen;
129
130 pctx->screen = pscreen;
131 pctx->priv = priv;
132 pctx->destroy = vc4_context_destroy;
133 pctx->flush = vc4_pipe_flush;
134 pctx->invalidate_resource = vc4_invalidate_resource;
135
136 vc4_draw_init(pctx);
137 vc4_state_init(pctx);
138 vc4_program_init(pctx);
139 vc4_query_init(pctx);
140 vc4_resource_context_init(pctx);
141
142 vc4_job_init(vc4);
143
144 vc4->fd = screen->fd;
145
146 slab_create_child(&vc4->transfer_pool, &screen->transfer_pool);
147 vc4->blitter = util_blitter_create(pctx);
148 if (!vc4->blitter)
149 goto fail;
150
151 vc4->primconvert = util_primconvert_create(pctx,
152 (1 << PIPE_PRIM_QUADS) - 1);
153 if (!vc4->primconvert)
154 goto fail;
155
156 vc4->uploader = u_upload_create(pctx, 16 * 1024,
157 PIPE_BIND_INDEX_BUFFER,
158 PIPE_USAGE_STREAM);
159
160 vc4_debug |= saved_shaderdb_flag;
161
162 vc4->sample_mask = (1 << VC4_MAX_SAMPLES) - 1;
163
164 return &vc4->base;
165
166 fail:
167 pctx->destroy(pctx);
168 return NULL;
169 }
170