etnaviv: remove pipe_fence_handle::ctx
[mesa.git] / src / gallium / drivers / etnaviv / etnaviv_fence.c
1 /*
2 * Copyright (c) 2012-2015 Etnaviv Project
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, sub license,
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
12 * next paragraph) shall be included in all copies or substantial portions
13 * of the 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 NON-INFRINGEMENT. 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
21 * DEALINGS IN THE SOFTWARE.
22 *
23 * Authors:
24 * Wladimir J. van der Laan <laanwj@gmail.com>
25 * Rob Clark <robclark@freedesktop.org>
26 */
27
28 #include <libsync.h>
29
30 #include "etnaviv_fence.h"
31 #include "etnaviv_context.h"
32 #include "etnaviv_screen.h"
33
34 #include "util/u_inlines.h"
35 #include "util/u_memory.h"
36
37 struct pipe_fence_handle {
38 struct pipe_reference reference;
39 struct etna_screen *screen;
40 int fence_fd;
41 uint32_t timestamp;
42 };
43
44 static void
45 etna_fence_destroy(struct pipe_fence_handle *fence)
46 {
47 if (fence->fence_fd != -1)
48 close(fence->fence_fd);
49 FREE(fence);
50 }
51
52 static void
53 etna_screen_fence_reference(struct pipe_screen *pscreen,
54 struct pipe_fence_handle **ptr,
55 struct pipe_fence_handle *fence)
56 {
57 if (pipe_reference(&(*ptr)->reference, &fence->reference))
58 etna_fence_destroy(*ptr);
59
60 *ptr = fence;
61 }
62
63 static boolean
64 etna_screen_fence_finish(struct pipe_screen *pscreen, struct pipe_context *ctx,
65 struct pipe_fence_handle *fence, uint64_t timeout)
66 {
67 if (fence->fence_fd != -1)
68 return !sync_wait(fence->fence_fd, timeout / 1000000);
69
70 if (etna_pipe_wait_ns(fence->screen->pipe, fence->timestamp, timeout))
71 return false;
72
73 return true;
74 }
75
76 void
77 etna_create_fence_fd(struct pipe_context *pctx,
78 struct pipe_fence_handle **pfence, int fd,
79 enum pipe_fd_type type)
80 {
81 assert(type == PIPE_FD_TYPE_NATIVE_SYNC);
82 *pfence = etna_fence_create(pctx, dup(fd));
83 }
84
85 void
86 etna_fence_server_sync(struct pipe_context *pctx,
87 struct pipe_fence_handle *pfence)
88 {
89 struct etna_context *ctx = etna_context(pctx);
90
91 sync_accumulate("etnaviv", &ctx->in_fence_fd, pfence->fence_fd);
92 }
93
94 static int
95 etna_screen_fence_get_fd(struct pipe_screen *pscreen,
96 struct pipe_fence_handle *pfence)
97 {
98 return dup(pfence->fence_fd);
99 }
100
101 struct pipe_fence_handle *
102 etna_fence_create(struct pipe_context *pctx, int fence_fd)
103 {
104 struct pipe_fence_handle *fence;
105 struct etna_context *ctx = etna_context(pctx);
106
107 fence = CALLOC_STRUCT(pipe_fence_handle);
108 if (!fence)
109 return NULL;
110
111 pipe_reference_init(&fence->reference, 1);
112
113 fence->screen = ctx->screen;
114 fence->timestamp = etna_cmd_stream_timestamp(ctx->stream);
115 fence->fence_fd = fence_fd;
116
117 return fence;
118 }
119
120 void
121 etna_fence_screen_init(struct pipe_screen *pscreen)
122 {
123 pscreen->fence_reference = etna_screen_fence_reference;
124 pscreen->fence_finish = etna_screen_fence_finish;
125 pscreen->fence_get_fd = etna_screen_fence_get_fd;
126 }