1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
2
3 /*
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
15 * Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 *
25 * Authors:
26 * Rob Clark <robclark@freedesktop.org>
27 */
28
29 #include <libsync.h>
30
31 #include "util/u_inlines.h"
32
33 #include "freedreno_fence.h"
34 #include "freedreno_context.h"
35 #include "freedreno_util.h"
36
37 struct pipe_fence_handle {
38 struct pipe_reference reference;
39 struct fd_context *ctx;
40 struct fd_screen *screen;
41 int fence_fd;
42 uint32_t timestamp;
43 };
44
fd_fence_destroy(struct pipe_fence_handle * fence)45 static void fd_fence_destroy(struct pipe_fence_handle *fence)
46 {
47 if (fence->fence_fd != -1)
48 close(fence->fence_fd);
49 FREE(fence);
50 }
51
fd_fence_ref(struct pipe_screen * pscreen,struct pipe_fence_handle ** ptr,struct pipe_fence_handle * pfence)52 void fd_fence_ref(struct pipe_screen *pscreen,
53 struct pipe_fence_handle **ptr,
54 struct pipe_fence_handle *pfence)
55 {
56 if (pipe_reference(&(*ptr)->reference, &pfence->reference))
57 fd_fence_destroy(*ptr);
58
59 *ptr = pfence;
60 }
61
fd_fence_finish(struct pipe_screen * pscreen,struct pipe_context * ctx,struct pipe_fence_handle * fence,uint64_t timeout)62 boolean fd_fence_finish(struct pipe_screen *pscreen,
63 struct pipe_context *ctx,
64 struct pipe_fence_handle *fence,
65 uint64_t timeout)
66 {
67 if (fence->fence_fd != -1) {
68 int ret = sync_wait(fence->fence_fd, timeout / 1000000);
69 return ret == 0;
70 }
71
72 if (fd_pipe_wait_timeout(fence->screen->pipe, fence->timestamp, timeout))
73 return false;
74
75 return true;
76 }
77
fd_create_fence_fd(struct pipe_context * pctx,struct pipe_fence_handle ** pfence,int fd)78 void fd_create_fence_fd(struct pipe_context *pctx,
79 struct pipe_fence_handle **pfence, int fd)
80 {
81 *pfence = fd_fence_create(fd_context(pctx), 0, dup(fd));
82 }
83
fd_fence_server_sync(struct pipe_context * pctx,struct pipe_fence_handle * fence)84 void fd_fence_server_sync(struct pipe_context *pctx,
85 struct pipe_fence_handle *fence)
86 {
87 struct fd_context *ctx = fd_context(pctx);
88 struct fd_batch *batch = ctx->batch;
89
90 if (sync_accumulate("freedreno", &batch->in_fence_fd, fence->fence_fd)) {
91 /* error */
92 }
93 }
94
fd_fence_get_fd(struct pipe_screen * pscreen,struct pipe_fence_handle * fence)95 int fd_fence_get_fd(struct pipe_screen *pscreen,
96 struct pipe_fence_handle *fence)
97 {
98 return dup(fence->fence_fd);
99 }
100
fd_fence_create(struct fd_context * ctx,uint32_t timestamp,int fence_fd)101 struct pipe_fence_handle * fd_fence_create(struct fd_context *ctx,
102 uint32_t timestamp, int fence_fd)
103 {
104 struct pipe_fence_handle *fence;
105
106 fence = CALLOC_STRUCT(pipe_fence_handle);
107 if (!fence)
108 return NULL;
109
110 pipe_reference_init(&fence->reference, 1);
111
112 fence->ctx = ctx;
113 fence->screen = ctx->screen;
114 fence->timestamp = timestamp;
115 fence->fence_fd = fence_fd;
116
117 return fence;
118 }
119