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1 /*
2  * Copyright © 2021 Intel Corporation
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, sublicense,
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 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
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 DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include "vk_sync_binary.h"
25 
26 #include "vk_util.h"
27 
28 static struct vk_sync_binary *
to_vk_sync_binary(struct vk_sync * sync)29 to_vk_sync_binary(struct vk_sync *sync)
30 {
31    assert(sync->type->init == vk_sync_binary_init);
32 
33    return container_of(sync, struct vk_sync_binary, sync);
34 }
35 
36 VkResult
vk_sync_binary_init(struct vk_device * device,struct vk_sync * sync,uint64_t initial_value)37 vk_sync_binary_init(struct vk_device *device,
38                     struct vk_sync *sync,
39                     uint64_t initial_value)
40 {
41    struct vk_sync_binary *binary = to_vk_sync_binary(sync);
42 
43    const struct vk_sync_binary_type *btype =
44       container_of(binary->sync.type, struct vk_sync_binary_type, sync);
45 
46    assert(!(sync->flags & VK_SYNC_IS_TIMELINE));
47    assert(!(sync->flags & VK_SYNC_IS_SHAREABLE));
48 
49    binary->next_point = (initial_value == 0);
50 
51    return vk_sync_init(device, &binary->timeline, btype->timeline_type,
52                        VK_SYNC_IS_TIMELINE, 0 /* initial_value */);
53 }
54 
55 static void
vk_sync_binary_finish(struct vk_device * device,struct vk_sync * sync)56 vk_sync_binary_finish(struct vk_device *device,
57                       struct vk_sync *sync)
58 {
59    struct vk_sync_binary *binary = to_vk_sync_binary(sync);
60 
61    vk_sync_finish(device, &binary->timeline);
62 }
63 
64 static VkResult
vk_sync_binary_reset(struct vk_device * device,struct vk_sync * sync)65 vk_sync_binary_reset(struct vk_device *device,
66                      struct vk_sync *sync)
67 {
68    struct vk_sync_binary *binary = to_vk_sync_binary(sync);
69 
70    binary->next_point++;
71 
72    return VK_SUCCESS;
73 }
74 
75 static VkResult
vk_sync_binary_signal(struct vk_device * device,struct vk_sync * sync,uint64_t value)76 vk_sync_binary_signal(struct vk_device *device,
77                       struct vk_sync *sync,
78                       uint64_t value)
79 {
80    struct vk_sync_binary *binary = to_vk_sync_binary(sync);
81 
82    assert(value == 0);
83 
84    return vk_sync_signal(device, &binary->timeline, binary->next_point);
85 }
86 
87 static VkResult
vk_sync_binary_wait_many(struct vk_device * device,uint32_t wait_count,const struct vk_sync_wait * waits,enum vk_sync_wait_flags wait_flags,uint64_t abs_timeout_ns)88 vk_sync_binary_wait_many(struct vk_device *device,
89                          uint32_t wait_count,
90                          const struct vk_sync_wait *waits,
91                          enum vk_sync_wait_flags wait_flags,
92                          uint64_t abs_timeout_ns)
93 {
94    STACK_ARRAY(struct vk_sync_wait, timeline_waits, wait_count);
95 
96    for (uint32_t i = 0; i < wait_count; i++) {
97       struct vk_sync_binary *binary = to_vk_sync_binary(waits[i].sync);
98 
99       timeline_waits[i] = (struct vk_sync_wait) {
100          .sync = &binary->timeline,
101          .stage_mask = waits[i].stage_mask,
102          .wait_value = binary->next_point,
103       };
104    }
105 
106    VkResult result = vk_sync_wait_many(device, wait_count, timeline_waits,
107                                        wait_flags, abs_timeout_ns);
108 
109    STACK_ARRAY_FINISH(timeline_waits);
110 
111    return result;
112 }
113 
114 struct vk_sync_binary_type
vk_sync_binary_get_type(const struct vk_sync_type * timeline_type)115 vk_sync_binary_get_type(const struct vk_sync_type *timeline_type)
116 {
117    assert(timeline_type->features & VK_SYNC_FEATURE_TIMELINE);
118 
119    return (struct vk_sync_binary_type) {
120       .sync = {
121          .size = offsetof(struct vk_sync_binary, timeline) +
122                  timeline_type->size,
123          .features = VK_SYNC_FEATURE_BINARY |
124                      VK_SYNC_FEATURE_GPU_WAIT |
125                      VK_SYNC_FEATURE_CPU_WAIT |
126                      VK_SYNC_FEATURE_CPU_RESET |
127                      VK_SYNC_FEATURE_CPU_SIGNAL |
128                      VK_SYNC_FEATURE_WAIT_ANY |
129                      VK_SYNC_FEATURE_WAIT_PENDING,
130          .init = vk_sync_binary_init,
131          .finish = vk_sync_binary_finish,
132          .reset = vk_sync_binary_reset,
133          .signal = vk_sync_binary_signal,
134          .wait_many = vk_sync_binary_wait_many,
135       },
136       .timeline_type = timeline_type,
137    };
138 }
139