2 * Copyright (c) 2018-2019 Lima Project
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:
11 * The above copyright notice and this permission notice (including the
12 * next paragraph) shall be included in all copies or substantial portions
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.
28 #include "util/os_file.h"
29 #include <util/u_memory.h>
30 #include <util/u_inlines.h>
32 #include "drm-uapi/lima_drm.h"
34 #include "lima_screen.h"
35 #include "lima_context.h"
36 #include "lima_fence.h"
39 struct pipe_fence_handle
{
40 struct pipe_reference reference
;
45 lima_create_fence_fd(struct pipe_context
*pctx
,
46 struct pipe_fence_handle
**fence
,
47 int fd
, enum pipe_fd_type type
)
49 assert(type
== PIPE_FD_TYPE_NATIVE_SYNC
);
50 *fence
= lima_fence_create(os_dupfd_cloexec(fd
));
54 lima_fence_server_sync(struct pipe_context
*pctx
,
55 struct pipe_fence_handle
*fence
)
57 struct lima_context
*ctx
= lima_context(pctx
);
59 sync_accumulate("lima", &ctx
->in_sync_fd
, fence
->fd
);
62 void lima_fence_context_init(struct lima_context
*ctx
)
64 ctx
->base
.create_fence_fd
= lima_create_fence_fd
;
65 ctx
->base
.fence_server_sync
= lima_fence_server_sync
;
68 struct pipe_fence_handle
*
69 lima_fence_create(int fd
)
71 struct pipe_fence_handle
*fence
;
73 fence
= CALLOC_STRUCT(pipe_fence_handle
);
77 pipe_reference_init(&fence
->reference
, 1);
84 lima_fence_get_fd(struct pipe_screen
*pscreen
,
85 struct pipe_fence_handle
*fence
)
87 return os_dupfd_cloexec(fence
->fd
);
91 lima_fence_destroy(struct pipe_fence_handle
*fence
)
99 lima_fence_reference(struct pipe_screen
*pscreen
,
100 struct pipe_fence_handle
**ptr
,
101 struct pipe_fence_handle
*fence
)
103 if (pipe_reference(&(*ptr
)->reference
, &fence
->reference
))
104 lima_fence_destroy(*ptr
);
109 lima_fence_finish(struct pipe_screen
*pscreen
, struct pipe_context
*pctx
,
110 struct pipe_fence_handle
*fence
, uint64_t timeout
)
112 return !sync_wait(fence
->fd
, timeout
/ 1000000);
116 lima_fence_screen_init(struct lima_screen
*screen
)
118 screen
->base
.fence_reference
= lima_fence_reference
;
119 screen
->base
.fence_finish
= lima_fence_finish
;
120 screen
->base
.fence_get_fd
= lima_fence_get_fd
;