1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
4 * Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
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:
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
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
26 * Rob Clark <robclark@freedesktop.org>
31 #include "util/u_inlines.h"
33 #include "freedreno_fence.h"
34 #include "freedreno_context.h"
35 #include "freedreno_util.h"
37 struct pipe_fence_handle
{
38 struct pipe_reference reference
;
39 /* fence holds a weak reference to the batch until the batch is flushed,
40 * at which point fd_fence_populate() is called and timestamp and possibly
41 * fence_fd become valid and the week reference is dropped.
43 struct fd_batch
*batch
;
44 struct fd_context
*ctx
;
45 struct fd_screen
*screen
;
50 static void fence_flush(struct pipe_fence_handle
*fence
)
53 fd_batch_flush(fence
->batch
, true, true);
54 debug_assert(!fence
->batch
);
57 void fd_fence_populate(struct pipe_fence_handle
*fence
,
58 uint32_t timestamp
, int fence_fd
)
62 fence
->timestamp
= timestamp
;
63 fence
->fence_fd
= fence_fd
;
67 static void fd_fence_destroy(struct pipe_fence_handle
*fence
)
69 if (fence
->fence_fd
!= -1)
70 close(fence
->fence_fd
);
74 void fd_fence_ref(struct pipe_screen
*pscreen
,
75 struct pipe_fence_handle
**ptr
,
76 struct pipe_fence_handle
*pfence
)
78 if (pipe_reference(&(*ptr
)->reference
, &pfence
->reference
))
79 fd_fence_destroy(*ptr
);
84 boolean
fd_fence_finish(struct pipe_screen
*pscreen
,
85 struct pipe_context
*ctx
,
86 struct pipe_fence_handle
*fence
,
91 if (fence
->fence_fd
!= -1) {
92 int ret
= sync_wait(fence
->fence_fd
, timeout
/ 1000000);
96 if (fd_pipe_wait_timeout(fence
->ctx
->pipe
, fence
->timestamp
, timeout
))
102 static struct pipe_fence_handle
* fence_create(struct fd_context
*ctx
,
103 struct fd_batch
*batch
, uint32_t timestamp
, int fence_fd
)
105 struct pipe_fence_handle
*fence
;
107 fence
= CALLOC_STRUCT(pipe_fence_handle
);
111 pipe_reference_init(&fence
->reference
, 1);
113 fence
->batch
= batch
;
115 fence
->screen
= ctx
->screen
;
116 fence
->timestamp
= timestamp
;
117 fence
->fence_fd
= fence_fd
;
122 void fd_create_fence_fd(struct pipe_context
*pctx
,
123 struct pipe_fence_handle
**pfence
, int fd
,
124 enum pipe_fd_type type
)
126 assert(type
== PIPE_FD_TYPE_NATIVE_SYNC
);
127 *pfence
= fence_create(fd_context(pctx
), NULL
, 0, dup(fd
));
130 void fd_fence_server_sync(struct pipe_context
*pctx
,
131 struct pipe_fence_handle
*fence
)
133 struct fd_context
*ctx
= fd_context(pctx
);
134 struct fd_batch
*batch
= ctx
->batch
;
138 if (sync_accumulate("freedreno", &batch
->in_fence_fd
, fence
->fence_fd
)) {
143 int fd_fence_get_fd(struct pipe_screen
*pscreen
,
144 struct pipe_fence_handle
*fence
)
147 return dup(fence
->fence_fd
);
150 struct pipe_fence_handle
* fd_fence_create(struct fd_batch
*batch
)
152 return fence_create(batch
->ctx
, batch
, 0, -1);