1 /*
2  *  sync fence tests with one timeline
3  *  Copyright 2015-2016 Collabora Ltd.
4  *
5  *  Based on the implementation from the Android Open Source Project,
6  *
7  *  Copyright 2012 Google, Inc
8  *
9  *  Permission is hereby granted, free of charge, to any person obtaining a
10  *  copy of this software and associated documentation files (the "Software"),
11  *  to deal in the Software without restriction, including without limitation
12  *  the rights to use, copy, modify, merge, publish, distribute, sublicense,
13  *  and/or sell copies of the Software, and to permit persons to whom the
14  *  Software is furnished to do so, subject to the following conditions:
15  *
16  *  The above copyright notice and this permission notice shall be included in
17  *  all copies or substantial portions of the Software.
18  *
19  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22  *  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
23  *  OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
24  *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
25  *  OTHER DEALINGS IN THE SOFTWARE.
26  */
27 
28 #include "sync.h"
29 #include "sw_sync.h"
30 #include "synctest.h"
31 
test_fence_one_timeline_wait(void)32 int test_fence_one_timeline_wait(void)
33 {
34 	int fence, valid, ret;
35 	int timeline = sw_sync_timeline_create();
36 
37 	valid = sw_sync_timeline_is_valid(timeline);
38 	ASSERT(valid, "Failure allocating timeline\n");
39 
40 	fence = sw_sync_fence_create(timeline, "allocFence", 5);
41 	valid = sw_sync_fence_is_valid(fence);
42 	ASSERT(valid, "Failure allocating fence\n");
43 
44 	/* Wait on fence until timeout */
45 	ret = sync_wait(fence, 0);
46 	ASSERT(ret == 0, "Failure waiting on fence until timeout\n");
47 
48 	/* Advance timeline from 0 -> 1 */
49 	ret = sw_sync_timeline_inc(timeline, 1);
50 	ASSERT(ret == 0, "Failure advancing timeline\n");
51 
52 	/* Wait on fence until timeout */
53 	ret = sync_wait(fence, 0);
54 	ASSERT(ret == 0, "Failure waiting on fence until timeout\n");
55 
56 	/* Signal the fence */
57 	ret = sw_sync_timeline_inc(timeline, 4);
58 	ASSERT(ret == 0, "Failure signaling the fence\n");
59 
60 	/* Wait successfully */
61 	ret = sync_wait(fence, 0);
62 	ASSERT(ret > 0, "Failure waiting on fence\n");
63 
64 	/* Go even further, and confirm wait still succeeds */
65 	ret = sw_sync_timeline_inc(timeline, 10);
66 	ASSERT(ret == 0, "Failure going further\n");
67 	ret = sync_wait(fence, 0);
68 	ASSERT(ret > 0, "Failure waiting ahead\n");
69 
70 	sw_sync_fence_destroy(fence);
71 	sw_sync_timeline_destroy(timeline);
72 
73 	return 0;
74 }
75 
test_fence_one_timeline_merge(void)76 int test_fence_one_timeline_merge(void)
77 {
78 	int a, b, c, d, valid;
79 	int timeline = sw_sync_timeline_create();
80 
81 	/* create fence a,b,c and then merge them all into fence d */
82 	a = sw_sync_fence_create(timeline, "allocFence", 1);
83 	b = sw_sync_fence_create(timeline, "allocFence", 2);
84 	c = sw_sync_fence_create(timeline, "allocFence", 3);
85 
86 	valid = sw_sync_fence_is_valid(a) &&
87 		sw_sync_fence_is_valid(b) &&
88 		sw_sync_fence_is_valid(c);
89 	ASSERT(valid, "Failure allocating fences\n");
90 
91 	d = sync_merge("mergeFence", b, a);
92 	d = sync_merge("mergeFence", c, d);
93 	valid = sw_sync_fence_is_valid(d);
94 	ASSERT(valid, "Failure merging fences\n");
95 
96 	/* confirm all fences have one active point (even d) */
97 	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,
98 	       "a has too many active fences!\n");
99 	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,
100 	       "b has too many active fences!\n");
101 	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,
102 	       "c has too many active fences!\n");
103 	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_ACTIVE) == 1,
104 	       "d has too many active fences!\n");
105 
106 	/* confirm that d is not signaled until the max of a,b,c */
107 	sw_sync_timeline_inc(timeline, 1);
108 	ASSERT(sync_fence_count_with_status(a, FENCE_STATUS_SIGNALED) == 1,
109 	       "a did not signal!\n");
110 	ASSERT(sync_fence_count_with_status(d, FENCE_STATUS_ACTIVE) == 1,
111 	       "d signaled too early!\n");
112 
113 	sw_sync_timeline_inc(timeline, 1);
114 	ASSERT(sync_fence_count_with_status(b, FENCE_STATUS_SIGNALED) == 1,
115 	       "b did not signal!\n");
116 	ASSERT(sync_fence_count_with_status(d, FENCE_STATUS_ACTIVE) == 1,
117 	       "d signaled too early!\n");
118 
119 	sw_sync_timeline_inc(timeline, 1);
120 	ASSERT(sync_fence_count_with_status(c, FENCE_STATUS_SIGNALED) == 1,
121 	       "c did not signal!\n");
122 	ASSERT(sync_fence_count_with_status(d, FENCE_STATUS_ACTIVE) == 0 &&
123 	       sync_fence_count_with_status(d, FENCE_STATUS_SIGNALED) == 1,
124 	       "d did not signal!\n");
125 
126 	sw_sync_fence_destroy(d);
127 	sw_sync_fence_destroy(c);
128 	sw_sync_fence_destroy(b);
129 	sw_sync_fence_destroy(a);
130 	sw_sync_timeline_destroy(timeline);
131 	return 0;
132 }
133