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1 /*
2  * Copyright © 2022 Imagination Technologies Ltd.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a copy
5  * of this software and associated documentation files (the "Software"), to deal
6  * in the Software without restriction, including without limitation the rights
7  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8  * copies of the Software, and to permit persons to whom the Software is
9  * 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 THE
18  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21  * SOFTWARE.
22  */
23 
24 #include <assert.h>
25 #include <stddef.h>
26 #include <stdint.h>
27 #include <unistd.h>
28 #include <vulkan/vulkan.h>
29 
30 #include "pvr_srv_job_null.h"
31 #include "pvr_srv_sync.h"
32 #include "pvr_winsys.h"
33 #include "util/libsync.h"
34 #include "vk_log.h"
35 #include "vk_sync.h"
36 
pvr_srv_winsys_null_job_submit(struct pvr_winsys * ws,struct vk_sync ** waits,uint32_t wait_count,struct vk_sync * signal_sync)37 VkResult pvr_srv_winsys_null_job_submit(struct pvr_winsys *ws,
38                                         struct vk_sync **waits,
39                                         uint32_t wait_count,
40                                         struct vk_sync *signal_sync)
41 {
42    struct pvr_srv_sync *srv_signal_sync = to_srv_sync(signal_sync);
43    int fd = -1;
44 
45    assert(signal_sync);
46 
47    for (uint32_t i = 0; i < wait_count; i++) {
48       struct pvr_srv_sync *srv_wait_sync = to_srv_sync(waits[i]);
49       int ret;
50 
51       if (!waits[i] || srv_wait_sync->fd < 0)
52          continue;
53 
54       ret = sync_accumulate("", &fd, srv_wait_sync->fd);
55       if (ret) {
56          if (fd >= 0)
57             close(fd);
58 
59          return vk_error(NULL, VK_ERROR_OUT_OF_HOST_MEMORY);
60       }
61    }
62 
63    pvr_srv_set_sync_payload(srv_signal_sync, fd);
64 
65    return VK_SUCCESS;
66 }
67